[portal-commits] JBoss Portal SVN: r8947 - in modules/common/trunk/common/src: main/java/org/jboss/portal/common/value and 2 other directories.

Author: julien(a)jboss.com Date: 2007-11-15 10:54:55 -0500 (Thu, 15 Nov 2007) New Revision: 8947 Added: modules/common/trunk/common/src/main/java/org/jboss/portal/common/util/SimpleMapAccessor.java modules/common/trunk/common/src/test/java/org/jboss/portal/test/common/util/TypedMapTestCase.java Removed: modules/common/trunk/common/src/test/java/org/jboss/portal/test/common/TypedMapTestCase.java Modified: modules/common/trunk/common/src/main/java/org/jboss/portal/common/util/MapAccessor.java modules/common/trunk/common/src/main/java/org/jboss/portal/common/util/ParameterMap.java modules/common/trunk/common/src/main/java/org/jboss/portal/common/util/TypedMap.java modules/common/trunk/common/src/main/java/org/jboss/portal/common/value/Value.java modules/common/trunk/common/src/test/java/org/jboss/portal/test/common/ParameterMapTestCase.java Log: generified TypedMap + improved it Modified: modules/common/trunk/common/src/main/java/org/jboss/portal/common/util/MapAccessor.java =================================================================== --- modules/common/trunk/common/src/main/java/org/jboss/portal/common/util/MapAccessor.java 2007-11-15 14:49:38 UTC (rev 8946) +++ modules/common/trunk/common/src/main/java/org/jboss/portal/common/util/MapAccessor.java 2007-11-15 15:54:55 UTC (rev 8947) @@ -30,14 +30,14 @@ * @author <a href="mailto:julien@jboss.org">Julien Viet</a> * @version $Revision: 7228 $ */ -public interface MapAccessor +public interface MapAccessor<K, V> { /** * Return the accessed map. * - * @param requestWriteable whether or not the Map will be accessed for a write-type (e.g., put, remove...) operation. + * @param writable whether or not the Map will be accessed for a write-type (e.g., put, remove...) operation. * This allows for lazy initialization via a create-on-write mechanism. * @return a non null map */ - Map getMap(boolean requestWriteable); + Map<K, V> getMap(boolean writable); } Modified: modules/common/trunk/common/src/main/java/org/jboss/portal/common/util/ParameterMap.java =================================================================== --- modules/common/trunk/common/src/main/java/org/jboss/portal/common/util/ParameterMap.java 2007-11-15 14:49:38 UTC (rev 8946) +++ modules/common/trunk/common/src/main/java/org/jboss/portal/common/util/ParameterMap.java 2007-11-15 15:54:55 UTC (rev 8947) @@ -32,44 +32,67 @@ * @author <a href="mailto:julien@jboss.org">Julien Viet</a> * @version $Revision: 6671 $ */ -public class ParameterMap extends TypedMap +public class ParameterMap extends TypedMap<String, String[], String, String[]> { - /** If true returned values will be cloned when returned to the client. */ - private boolean cloneInternalValue; + /** . */ + private static final KeyConverter keyConv = new KeyConverter(); - /** If true returned values will be cloned when provided by the client. */ - private boolean cloneExternalValue; + /** . */ + private static final ValueConverter valueConv1 = new ValueConverter(false, false); - public ParameterMap(boolean cloneInternalValue, boolean cloneExternalValue) + /** . */ + private static final ValueConverter valueConv2 = new ValueConverter(false, true); + + /** . */ + private static final ValueConverter valueConv3 = new ValueConverter(true, false); + + /** . */ + private static final ValueConverter valueConv4 = new ValueConverter(true, true); + + private static ValueConverter getValueConverter(boolean cloneInternalValue, boolean cloneExternalValue) { - this(new HashMap(), cloneInternalValue, cloneExternalValue); + if (cloneInternalValue) + { + if (cloneExternalValue) + { + return valueConv4; + } + else + { + return valueConv3; + } + } + else + { + if (cloneExternalValue) + { + return valueConv2; + } + else + { + return valueConv1; + } + } } - public ParameterMap(MapAccessor accessor, boolean cloneInternalValue, boolean cloneExternalValue) - { - super(accessor); + /** . */ + private final boolean cloneInternalValue; - // - this.cloneInternalValue = cloneInternalValue; - this.cloneExternalValue = cloneExternalValue; - } + /** . */ + private final boolean cloneExternalValue; - public ParameterMap(Map delegate, boolean cloneInternalValue, boolean cloneExternalValue) + public ParameterMap(boolean cloneInternalValue, boolean cloneExternalValue) { - super(delegate); - - // - this.cloneInternalValue = cloneInternalValue; - this.cloneExternalValue = cloneExternalValue; + this(new HashMap<String, String[]>(), cloneInternalValue, cloneExternalValue); } - public ParameterMap(MapAccessor accessor) + public ParameterMap(MapAccessor<String, String[]> accessor) { this(accessor, false, false); } - public ParameterMap(Map delegate) + public ParameterMap(Map<String, String[]> delegate) { this(delegate, false, false); } @@ -79,6 +102,24 @@ this(false, false); } + public ParameterMap(MapAccessor<String, String[]> accessor, boolean cloneInternalValue, boolean cloneExternalValue) + { + super(accessor, keyConv, getValueConverter(cloneInternalValue, cloneExternalValue)); + + // + this.cloneInternalValue = cloneInternalValue; + this.cloneExternalValue = cloneExternalValue; + } + + public ParameterMap(Map<String, String[]> delegate, boolean cloneInternalValue, boolean cloneExternalValue) + { + super(delegate, keyConv, getValueConverter(cloneInternalValue, cloneExternalValue)); + + // + this.cloneInternalValue = cloneInternalValue; + this.cloneExternalValue = cloneExternalValue; + } + /** * Return true if values returned by the map are cloned. * @@ -89,79 +130,94 @@ return cloneInternalValue; } - /** - * Only accept non null string objects. - * - * @throws ClassCastException if the value is not an instance of string - */ - protected void assertKeyValidity(Object value) throws ClassCastException + public boolean isCloneExternalValue() { - if (value instanceof String == false) - { - throw new ClassCastException("Key should be a String"); - } + return cloneExternalValue; } - /** - * Only check are made to the value. The only valid values accepted - * are string arrays with non zero length and containing non null - * values. - * - * @throws NullPointerException if the value is null - * @throws ClassCastException if the value type is not an array of string - * @throws IllegalArgumentException if the array length is zero or one of the array value is null - */ - protected Object getInternalValue(Object value) throws NullPointerException, ClassCastException, IllegalArgumentException + private static class KeyConverter extends Converter<String, String> { - if (value instanceof String[] == false) + protected String getInternal(String external) throws IllegalArgumentException, ClassCastException { - throw new ClassCastException("Value should be a String[]"); + return external; } - String[] strings = (String[])value; - if (strings.length == 0) + protected String getExternal(String internal) { - throw new IllegalArgumentException("Array must not be zero length"); + return internal; } - - // - for (int i = strings.length - 1;i >= 0;i--) + protected boolean equals(String left, String right) { - if (strings[i] == null) - { - throw new IllegalArgumentException("No null entries allowed in String[]"); - } + return left.equals(right); } + } - // - if (cloneExternalValue) + private static class ValueConverter extends Converter<String[], String[]> + { + + /** . */ + private final boolean cloneInternalValue; + + /** . */ + private final boolean cloneExternalValue; + + private ValueConverter(boolean cloneInternalValue, boolean cloneExternalValue) { - strings = (String[])strings.clone(); + this.cloneInternalValue = cloneInternalValue; + this.cloneExternalValue = cloneExternalValue; } - // - return strings; - } + /** + * Only check are made to the value. The only valid values accepted + * are string arrays with non zero length and containing non null + * values. + * + * @param external + * @return + * @throws NullPointerException if the value is null + * @throws ClassCastException if the value type is not an array of string + * @throws IllegalArgumentException if the array length is zero or one of the array value is null + */ + protected String[] getInternal(String[] external) throws IllegalArgumentException, ClassCastException, NullPointerException + { + if (external.length == 0) + { + throw new IllegalArgumentException("Array must not be zero length"); + } + // + for (int i = external.length - 1;i >= 0;i--) + { + if (external[i] == null) + { + throw new IllegalArgumentException("No null entries allowed in String[]"); + } + } - protected Object getExternalValue(Object value) - { - if (cloneInternalValue) + // + if (cloneExternalValue) + { + external = external.clone(); + } + + // + return external; + } + + protected String[] getExternal(String[] internal) { - return ((String[])value).clone(); + if (cloneInternalValue) + { + internal = internal.clone(); + } + return internal; } - else + + protected boolean equals(String[] left, String[] right) { - return value; + return Arrays.equals(left, right); } } - protected boolean internalValueEquals(Object left, Object right) - { - String[] valuesL = (String[])left; - String[] valuesR = (String[])right; - return Arrays.equals(valuesL, valuesR); - } - /** * Return the parameter value or null if it does not exist. * @@ -171,7 +227,7 @@ */ public String getValue(String name) throws IllegalArgumentException { - String[] value = (String[])get(name); + String[] value = get(name); return value == null ? null : value[0]; } @@ -188,7 +244,7 @@ { throw new IllegalArgumentException("No null name"); } - return (String[])get(name); + return get(name); } /** Added: modules/common/trunk/common/src/main/java/org/jboss/portal/common/util/SimpleMapAccessor.java =================================================================== --- modules/common/trunk/common/src/main/java/org/jboss/portal/common/util/SimpleMapAccessor.java (rev 0) +++ modules/common/trunk/common/src/main/java/org/jboss/portal/common/util/SimpleMapAccessor.java 2007-11-15 15:54:55 UTC (rev 8947) @@ -0,0 +1,50 @@ +/****************************************************************************** + * JBoss, a division of Red Hat * + * Copyright 2006, Red Hat Middleware, LLC, and individual * + * contributors as indicated by the @authors tag. See the * + * copyright.txt in the distribution for a full listing of * + * individual contributors. * + * * + * This is free software; you can redistribute it and/or modify it * + * under the terms of the GNU Lesser General Public License as * + * published by the Free Software Foundation; either version 2.1 of * + * the License, or (at your option) any later version. * + * * + * This software is distributed in the hope that it will be useful, * + * but WITHOUT ANY WARRANTY; without even the implied warranty of * + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * + * Lesser General Public License for more details. * + * * + * You should have received a copy of the GNU Lesser General Public * + * License along with this software; if not, write to the Free * + * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA * + * 02110-1301 USA, or see the FSF site: http://www.fsf.org. * + ******************************************************************************/ +package org.jboss.portal.common.util; + +import java.util.Map; + +/** + * @author <a href="mailto:julien@jboss.org">Julien Viet</a> + * @version $Revision: 1.1 $ + */ +public class SimpleMapAccessor<K, V> implements MapAccessor<K, V> +{ + + /** . */ + private Map<K, V> delegate; + + public SimpleMapAccessor(Map<K, V> delegate) + { + if (delegate == null) + { + throw new IllegalArgumentException(); + } + this.delegate = delegate; + } + + public Map<K, V> getMap(boolean writable) + { + return delegate; + } +} Modified: modules/common/trunk/common/src/main/java/org/jboss/portal/common/util/TypedMap.java =================================================================== --- modules/common/trunk/common/src/main/java/org/jboss/portal/common/util/TypedMap.java 2007-11-15 14:49:38 UTC (rev 8946) +++ modules/common/trunk/common/src/main/java/org/jboss/portal/common/util/TypedMap.java 2007-11-15 15:54:55 UTC (rev 8947) @@ -24,304 +24,222 @@ import org.jboss.portal.common.NotYetImplemented; -import java.util.Collection; -import java.util.Collections; -import java.util.HashMap; -import java.util.Iterator; import java.util.Map; import java.util.Set; +import java.util.Collection; +import java.util.Iterator; +import java.util.HashMap; /** - * A decorator that enforce the map content to be checked against a type. Null internal values are not supported. - * * @author <a href="mailto:julien@jboss.org">Julien Viet</a> - * @version $Revision: 7304 $ + * @version $Revision: 1.1 $ */ -public abstract class TypedMap implements Map +public class TypedMap<EK, EV, IK, IV> implements Map<EK, EV> { - /** The map accessor. */ - protected final MapAccessor accessor; - - protected TypedMap(MapAccessor accessor) + public abstract static class Converter<E, I> { - if (accessor == null) - { - throw new IllegalArgumentException("Need a valid accessor"); - } - this.accessor = accessor; - } - protected TypedMap(final Map delegate) - { - accessor = new LazyMapAccessor(delegate); - } + /** + * Unwraps the key to the the internal key that will be stored in the map. This method calls the + * <code>assertKeyValidity(Object key)</code> and returns the same key. It can be overriden to provide a customized + * key that will be used instead of the external key. + * + * @param external the key to unwrap + * @return the unwrapped key + * @throws ClassCastException if the class of the specified key prevents it from being stored in this map + * @throws IllegalArgumentException if some aspect of this key prevents it from being stored in this map + */ + protected abstract I getInternal(E external) throws IllegalArgumentException, ClassCastException; - /** - * Return the map provided by the accessor. - * - * @param requestWriteable - * @return the delegate map - */ - protected final Map getDelegate(boolean requestWriteable) - { - return accessor.getMap(requestWriteable); - } + /** + * Wrap the internal key into its external representation, by default returns the same key. It can be overriden to + * provide a customized key that will be used instead of the internal key. + */ + protected abstract E getExternal(I internal); - /** - * Override to check the validity of the key, the default implementation is an empty method. - * - * @throws ClassCastException if the class of the specified key prevents it from being stored in this map - * @throws IllegalArgumentException if some aspect of this key prevents it from being stored in this map - */ - protected void assertKeyValidity(Object key) throws IllegalArgumentException, ClassCastException - { - } + public I unwrap(E external) throws IllegalArgumentException, ClassCastException, NullPointerException + { + if (external == null) + { + throw new NullPointerException("No null key accepted"); + } - /** - * Unwraps the key to the the internal key that will be stored in the map. This method calls the - * <code>assertKeyValidity(Object key)</code> and returns the same key. It can be overriden to provide a customized - * key that will be used instead of the external key. - * - * @param key the key to unwrap - * @return the unwrapped key - * @throws ClassCastException if the class of the specified key prevents it from being stored in this map - * @throws IllegalArgumentException if some aspect of this key prevents it from being stored in this map - */ - protected Object getInternalKey(Object key) throws IllegalArgumentException, ClassCastException - { - assertKeyValidity(key); + // + I internal = getInternal(external); - // - return key; - } + // + if (internal == null) + { + throw new IllegalArgumentException("The provided key " + external + " was converted to a null key"); + } - /** - * Wrap the internal key into its external representation, by default returns the same key. It can be overriden to - * provide a customized key that will be used instead of the internal key. - */ - protected Object getExternalKey(Object key) - { - return key; - } - - protected final Object unwrapKey(Object externalKey) throws IllegalArgumentException, ClassCastException, NullPointerException - { - if (externalKey == null) - { - throw new NullPointerException("No null key accepted"); + // + return internal; } - // - Object internalKey = getInternalKey(externalKey); - - // - if (internalKey == null) + public E wrap(I internal) throws IllegalStateException { - throw new IllegalArgumentException("The provided key " + externalKey + " was converted to a null key"); - } + if (internal == null) + { + throw new IllegalStateException("Got an internal null key"); + } - // - return internalKey; - } + // + E external = getExternal(internal); - protected final Object wrapKey(Object internalKey) throws IllegalStateException - { - if (internalKey == null) - { - throw new IllegalStateException("Got an internal null key"); + // + if (external == null) + { + throw new IllegalStateException("Converted an internal key to a null key " + internal); + } + + // + return external; } - // - Object externalKey = getExternalKey(internalKey); - - // - if (externalKey == null) + public boolean safeEquals(I left, I right) { - throw new IllegalStateException("Converted an internal key to a null key " + internalKey); + // Check the internal value, it should not be null + return !(left == null || right == null) && equals(left, right); } - // - return externalKey; + /** + * Compare internal values, the passed argument are never null. + * + * @param left the left value + * @param right the right value + * @return true if the values are equals + */ + protected abstract boolean equals(I left, I right); } - /** - * Unwrap the value to the the internal value that will be stored in the map. - * - * @param value the value to unwrap - * @return the unwrapped value - * @throws ClassCastException if the class of the specified value prevents it from being stored in this map - * @throws IllegalArgumentException if some aspect of this value prevents it from being stored in this map - */ - protected Object getInternalValue(Object value) throws IllegalArgumentException, ClassCastException - { - return value; - } + /** The map accessor. */ + private final MapAccessor<IK, IV> accessor; - /** - * Wrap the internal value into its external representation. The external representation value should not be null. If - * it is not possible to obtain an external value representation of the internal value, then the the null value - * should be returned from this method. - * - * @param value the param value which will not be null - * @return the external value - */ - protected Object getExternalValue(Object value) - { - return value; - } + /** The key converter. */ + private final Converter<EK, IK> keyConverter; - /** - * Extract the internal value from an external value. - * - * @param externalValue the external value to unwrap - * @return the non null internal value - * @throws IllegalArgumentException - * @throws ClassCastException - * @throws NullPointerException - */ - protected final Object unwrapValue(Object externalValue) throws IllegalArgumentException, ClassCastException, NullPointerException + /** The value converter. */ + private final Converter<EV, IV> valueConverter; + + public TypedMap(MapAccessor<IK, IV> accessor, Converter<EK, IK> keyConverter, Converter<EV, IV> valueConverter) { - if (externalValue == null) + if (accessor == null) { - throw new NullPointerException("No null value accepted"); + throw new IllegalArgumentException(); } - - // - Object internalValue = getInternalValue(externalValue); - - // - if (internalValue == null) + if (keyConverter == null) { - throw new IllegalArgumentException("The provided value " + externalValue + " was converted to a null value"); + throw new IllegalArgumentException(); } + if (valueConverter == null) + { + throw new IllegalArgumentException(); + } - // - return internalValue; + + this.accessor = accessor; + this.keyConverter = keyConverter; + this.valueConverter = valueConverter; } - /** - * Convert an internal value into an external value. - * - * @param internalValue the internal value - * @return the non null external value - * @throws IllegalStateException if the internal value was null or some aspect prevented it to be converted to an - * external representation - */ - protected final Object wrapValue(Object internalValue) throws IllegalStateException + public TypedMap(Map<IK, IV> delegate, Converter<EK, IK> keyConv, Converter<EV, IV> valueConv) { - if (internalValue == null) - { - throw new IllegalStateException("Received an internal null value"); - } + this(new SimpleMapAccessor<IK, IV>(delegate), keyConv, valueConv); + } - // - Object externalValue = getExternalValue(internalValue); - - // - if (externalValue == null) - { - throw new IllegalStateException("Converted an internal value to a null value " + internalValue); - } - - // - return externalValue; + public Converter<EK, IK> getKeyConverter() + { + return keyConverter; } - /** - * Compare internal values, the default implementation delegates the operation to the equals method of the left - * argument. - * - * @param left - * @param right - * @return true if the values are equals - */ - protected boolean internalValueEquals(Object left, Object right) + public Converter<EV, IV> getValueConverter() { - return left.equals(right); + return valueConverter; } - public int size() + public final int size() { - return getDelegate(false).size(); + return accessor.getMap(false).size(); } - public void clear() + public final void clear() { if (!isEmpty()) { - getDelegate(true).clear(); + accessor.getMap(true).clear(); } } - public boolean isEmpty() + public final boolean isEmpty() { - return getDelegate(false).isEmpty(); + return accessor.getMap(false).isEmpty(); } - public boolean containsKey(Object key) + public final boolean containsKey(Object key) { - key = unwrapKey(key); - return getDelegate(false).containsKey(key); + EK ek = (EK)key; + IK ik = keyConverter.unwrap(ek); + return accessor.getMap(false).containsKey(ik); } - public boolean containsValue(Object value) + public final Set<EK> keySet() { - value = unwrapValue(value); - return getDelegate(false).containsValue(value); + return new KeySet(); } - public Collection values() + public EV put(EK ek, EV ev) { - return new ValueCollection(); + IK ik = keyConverter.unwrap(ek); + IV iv = valueConverter.unwrap(ev); + iv = accessor.getMap(true).put(ik, iv); + return iv == null ? null : valueConverter.wrap(iv); } - public void putAll(Map t) + public final EV get(Object key) { - t = convert(t); - getDelegate(true).putAll(t); + EK ek = (EK)key; + IK ik = keyConverter.unwrap(ek); + IV iv = accessor.getMap(false).get(ik); + return iv == null ? null : valueConverter.wrap(iv); } - public Set entrySet() + public final EV remove(Object key) { - return new TypedMap.TypedEntrySet(); + EK ek = (EK)key; + IK ik = keyConverter.unwrap(ek); + IV iv = null; + if (!isEmpty()) + { + iv = accessor.getMap(true).remove(ik); + } + return iv == null ? null : valueConverter.wrap(iv); } - public Set keySet() + public final boolean containsValue(Object value) { - return new KeySet(); + EV ev = (EV)value; + IV iv = valueConverter.unwrap(ev); + return accessor.getMap(false).containsValue(iv); } - public Object get(Object key) + public final Set<Entry<EK, EV>> entrySet() { - key = unwrapKey(key); - Object value = getDelegate(false).get(key); - return value == null ? null : wrapValue(value); + return new TypedEntrySet(); } - public Object remove(Object key) + public void putAll(Map<? extends EK, ? extends EV> em) { - key = unwrapKey(key); - - Object value = null; - if (!isEmpty()) - { - value = getDelegate(true).remove(key); - } - - return value == null ? null : wrapValue(value); + Map<IK, IV> im = convert(em); + accessor.getMap(true).putAll(im); } - public Object put(Object key, Object value) + public Collection<EV> values() { - key = unwrapKey(key); - value = unwrapValue(value); - value = getDelegate(true).put(key, value); - return value == null ? null : wrapValue(value); + return new ValueCollection(); } - // Overriden methods - /** Compare to parameters objects. */ public boolean equals(Object o) { @@ -331,8 +249,8 @@ } if (o instanceof Map) { - Map that = (Map)o; - Map delegate = getDelegate(false); + Map<EK, EV> that = (Map<EK,EV>)o; + Map<IK, IV> delegate = this.accessor.getMap(false); // Must have same sizes if (that.size() != delegate.size()) @@ -341,32 +259,26 @@ } // - for (Iterator i = that.entrySet().iterator(); i.hasNext();) + for (Entry<EK, EV> thatEntry : that.entrySet()) { - Map.Entry thatEntry = (Map.Entry)i.next(); - Object thatKey = thatEntry.getKey(); - Object thatValue = thatEntry.getValue(); + EK thatKey = thatEntry.getKey(); + EV thatValue = thatEntry.getValue(); + // try { - // Unwrap key - thatKey = unwrapKey(thatKey); + // Unwrap key, mostly for checking its type is correct + keyConverter.unwrap(thatKey); // Unwrap value - thatValue = unwrapValue(thatValue); + IV iv = valueConverter.unwrap(thatValue); // Get the internal value - Object internalValue = delegate.get(thatKey); + IV internalValue = delegate.get(thatKey); - // Check the internal value, it should not be null - if (internalValue == null) - { - return false; - } - // Perform value comparison - if (internalValueEquals(internalValue, thatValue) == false) + if (!valueConverter.safeEquals(internalValue, iv)) { return false; } @@ -395,29 +307,52 @@ public String toString() { - return getDelegate(false).toString(); + return accessor.getMap(false).toString(); } - // API extension + /** + * Validates and unwraps the map. + * + * @param t + * @return + * @throws IllegalArgumentException + * @throws NullPointerException + * @throws ClassCastException + */ + protected final Map<IK, IV> convert(Map<? extends EK, ? extends EV> t) throws IllegalArgumentException, NullPointerException, ClassCastException + { + if (t == null) + { + throw new NullPointerException("No null map can be accepted"); + } + Map<IK, IV> u = new HashMap<IK, IV>(t.size()); + for (Entry<? extends EK, ? extends EV> entry : t.entrySet()) + { + IK ik = keyConverter.unwrap(entry.getKey()); + IV iv = valueConverter.unwrap(entry.getValue()); + u.put(ik, iv); + } + return u; + } /** * Replace the content with the new map which is validated before replacement. * - * @param t the replacement map + * @param map the replacement map * @throws ClassCastException * @throws NullPointerException * @throws IllegalArgumentException */ - public void replace(Map t) throws ClassCastException, NullPointerException, IllegalArgumentException + public void replace(Map<EK, EV> map) throws ClassCastException, NullPointerException, IllegalArgumentException { - if (!t.isEmpty()) + if (!map.isEmpty()) { - t = convert(t); + Map<IK, IV> tmp = convert(map); // - Map delegate = getDelegate(true); + Map<IK, IV> delegate = accessor.getMap(true); delegate.clear(); - delegate.putAll(t); + delegate.putAll(tmp); } } @@ -430,41 +365,22 @@ */ public void validate() throws ClassCastException, NullPointerException, IllegalArgumentException { - for (Iterator i = getDelegate(false).entrySet().iterator(); i.hasNext();) + for (Entry<IK, IV> entry : accessor.getMap(false).entrySet()) { - Entry entry = (Entry)i.next(); - wrapKey(entry.getKey()); - wrapValue(entry.getValue()); + keyConverter.wrap(entry.getKey()); + valueConverter.wrap(entry.getValue()); } } - /** Validate the map and unwrap it if necessary. */ - protected final Map convert(Map t) throws IllegalArgumentException, NullPointerException, ClassCastException + public class KeySet implements Set<EK> { - if (t == null) - { - throw new NullPointerException("No null map can be accepted"); - } - Map u = new HashMap(t.size()); - for (Iterator i = t.entrySet().iterator(); i.hasNext();) - { - Entry entry = (Entry)i.next(); - Object key = unwrapKey(entry.getKey()); - Object value = unwrapValue(entry.getValue()); - u.put(key, value); - } - return u; - } - public class ValueCollection implements Collection - { - /** . */ - private final Collection delegate; + private final Set<IK> delegate; - public ValueCollection() + public KeySet() { - this.delegate = getDelegate(false).values(); + this.delegate = TypedMap.this.accessor.getMap(false).keySet(); } public int size() @@ -474,7 +390,10 @@ public void clear() { - delegate.clear(); + if (!isEmpty()) + { + delegate.clear(); + } } public boolean isEmpty() @@ -482,65 +401,106 @@ return delegate.isEmpty(); } + public boolean contains(Object o) + { + EK ek; + try + { + ek = (EK)o; + } + catch (ClassCastException e) + { + return false; + } + try + { + IK ik = keyConverter.getInternal(ek); + return TypedMap.this.accessor.getMap(false).containsKey(ik); + } + catch (IllegalArgumentException e) + { + return false; + } + catch (ClassCastException e) + { + return false; + } + catch (NullPointerException e) + { + return false; + } + } + public Object[] toArray() { throw new NotYetImplemented("TypedEntrySet.toArray()"); } - public boolean add(Object o) + public boolean add(EK ek) { throw new NotYetImplemented("TypedEntrySet.add(Object o)"); } - public boolean contains(Object o) - { - throw new NotYetImplemented("TypedEntrySet.contains(Object o)"); - } - public boolean remove(Object o) { throw new NotYetImplemented("TypedEntrySet.remove(Object o)"); } - public boolean addAll(Collection c) + public boolean containsAll(Collection<?> objects) { throw new NotYetImplemented("TypedEntrySet.addAll(Collection c)"); } - public boolean containsAll(Collection c) + public boolean addAll(Collection<? extends EK> eks) { throw new NotYetImplemented("TypedEntrySet.containsAll(Collection c)"); } - public boolean removeAll(Collection c) + public boolean removeAll(Collection<?> objects) { throw new NotYetImplemented("TypedEntrySet.removeAll(Collection c)"); } - public boolean retainAll(Collection c) + public boolean retainAll(Collection<?> c) { - throw new NotYetImplemented("TypedEntrySet.retainAll(Collection c)"); + if (c == null) + { + throw new NullPointerException(); + } + + // + boolean changed = false; + for (Iterator i = iterator(); i.hasNext();) + { + Object key = i.next(); + if (!c.contains(key)) + { + i.remove(); + changed = true; + } + } + return changed; } - public Iterator iterator() + public Iterator<EK> iterator() { - return new ValueIterator(); + return new KeyIterator(); } - public Object[] toArray(Object a[]) + public <EK> EK[] toArray(EK a[]) { throw new NotYetImplemented("TypedEntrySet.toArray(Object a[])"); } - public class ValueIterator implements Iterator + public class KeyIterator implements Iterator<EK> { /** . */ - private final Iterator delegate; + private final Iterator<IK> delegate; - public ValueIterator() + public KeyIterator() { - this.delegate = ValueCollection.this.delegate.iterator(); + this.delegate = KeySet.this.delegate.iterator(); } public void remove() @@ -553,24 +513,23 @@ return delegate.hasNext(); } - public Object next() + public EK next() { - Object value = delegate.next(); - value = wrapValue(value); - return value; + IK ik = delegate.next(); + return keyConverter.wrap(ik); } } } - public class KeySet implements Set + public class ValueCollection implements Collection<EV> { /** . */ - private final Set delegate; + private final Collection<IV> delegate; - public KeySet() + public ValueCollection() { - this.delegate = getDelegate(false).keySet(); + this.delegate = TypedMap.this.accessor.getMap(false).values(); } public int size() @@ -580,10 +539,7 @@ public void clear() { - if (!isEmpty()) - { - delegate.clear(); - } + delegate.clear(); } public boolean isEmpty() @@ -591,97 +547,65 @@ return delegate.isEmpty(); } - public boolean contains(Object o) - { - try - { - Object key = unwrapKey(o); - return getDelegate(false).containsKey(key); - } - catch (IllegalArgumentException e) - { - return false; - } - catch (ClassCastException e) - { - return false; - } - catch (NullPointerException e) - { - return false; - } - } - public Object[] toArray() { throw new NotYetImplemented("TypedEntrySet.toArray()"); } - public boolean add(Object o) + public boolean add(EV ev) { throw new NotYetImplemented("TypedEntrySet.add(Object o)"); } + public boolean contains(Object o) + { + throw new NotYetImplemented("TypedEntrySet.contains(Object o)"); + } + public boolean remove(Object o) { throw new NotYetImplemented("TypedEntrySet.remove(Object o)"); } - public boolean addAll(Collection c) + public boolean addAll(Collection<? extends EV> evs) { throw new NotYetImplemented("TypedEntrySet.addAll(Collection c)"); } - public boolean containsAll(Collection c) + public boolean containsAll(Collection<?> objects) { throw new NotYetImplemented("TypedEntrySet.containsAll(Collection c)"); } - public boolean removeAll(Collection c) + public boolean removeAll(Collection<?> objects) { throw new NotYetImplemented("TypedEntrySet.removeAll(Collection c)"); } - public boolean retainAll(Collection c) + public boolean retainAll(Collection<?> objects) { - if (c == null) - { - throw new NullPointerException(); - } - - // - boolean changed = false; - for (Iterator i = iterator(); i.hasNext();) - { - Object key = i.next(); - if (!c.contains(key)) - { - i.remove(); - changed = true; - } - } - return changed; + throw new NotYetImplemented("TypedEntrySet.retainAll(Collection c)"); } - public Iterator iterator() + public <T> T[] toArray(T[] ts) { - return new KeyIterator(); + throw new NotYetImplemented("TypedEntrySet.toArray(Object a[])"); } - public Object[] toArray(Object a[]) + public Iterator<EV> iterator() { - throw new NotYetImplemented("TypedEntrySet.toArray(Object a[])"); + return new ValueIterator(); } - public class KeyIterator implements Iterator + public class ValueIterator implements Iterator<EV> { /** . */ - private final Iterator delegate; + private final Iterator<IV> delegate; - public KeyIterator() + public ValueIterator() { - this.delegate = KeySet.this.delegate.iterator(); + this.delegate = ValueCollection.this.delegate.iterator(); } public void remove() @@ -694,24 +618,23 @@ return delegate.hasNext(); } - public Object next() + public EV next() { - Object key = delegate.next(); - key = wrapKey(key); - return key; + IV iv = delegate.next(); + return valueConverter.wrap(iv); } } } - public class TypedEntrySet implements Set + public class TypedEntrySet implements Set<Entry<EK, EV>> { /** . */ - private final Set delegate; + private final Set<Entry<IK, IV>> delegate; public TypedEntrySet() { - this.delegate = getDelegate(false).entrySet(); + this.delegate = TypedMap.this.accessor.getMap(false).entrySet(); } public int size() @@ -737,7 +660,7 @@ throw new NotYetImplemented("TypedEntrySet.toArray()"); } - public boolean add(Object o) + public boolean add(Entry<EK, EV> ekevEntry) { throw new NotYetImplemented("TypedEntrySet.add(Object o)"); } @@ -752,41 +675,41 @@ throw new NotYetImplemented("TypedEntrySet.remove(Object o)"); } - public boolean addAll(Collection c) + public boolean addAll(Collection<? extends Entry<EK, EV>> entries) { throw new NotYetImplemented("TypedEntrySet.addAll(Collection c)"); } - public boolean containsAll(Collection c) + public boolean containsAll(Collection<?> objects) { throw new NotYetImplemented("TypedEntrySet.containsAll(Collection c)"); } - public boolean removeAll(Collection c) + public boolean removeAll(Collection<?> objects) { throw new NotYetImplemented("TypedEntrySet.removeAll(Collection c)"); } - public boolean retainAll(Collection c) + public boolean retainAll(Collection<?> objects) { throw new NotYetImplemented("TypedEntrySet.retainAll(Collection c)"); } - public Iterator iterator() + public <T> T[] toArray(T[] ts) { - return new TypedEntryIterator(); + throw new NotYetImplemented("TypedEntrySet.toArray(Object a[])"); } - public Object[] toArray(Object a[]) + public Iterator<Entry<EK, EV>> iterator() { - throw new NotYetImplemented("TypedEntrySet.toArray(Object a[])"); + return new TypedEntryIterator(); } - public class TypedEntryIterator implements Iterator + public class TypedEntryIterator implements Iterator<Entry<EK, EV>> { /** . */ - private final Iterator delegate; + private final Iterator<Entry<IK, IV>> delegate; public TypedEntryIterator() { @@ -803,20 +726,20 @@ return delegate.hasNext(); } - public Object next() + public Entry<EK, EV> next() { - Entry entry = (Entry)delegate.next(); + Entry<IK, IV> entry = delegate.next(); return new TypedEntry(entry); } } - public class TypedEntry implements Entry + public class TypedEntry implements Entry<EK, EV> { /** . */ - private final Entry delegate; + private final Entry<IK, IV> delegate; - public TypedEntry(Entry delegate) + public TypedEntry(Entry<IK, IV> delegate) { this.delegate = delegate; } @@ -836,58 +759,25 @@ return delegate.toString(); } - public Object getKey() + public EK getKey() { - Object key = delegate.getKey(); - key = wrapKey(key); - return key; + IK ik = delegate.getKey(); + return keyConverter.wrap(ik); } - public Object getValue() + public EV getValue() { - Object value = delegate.getValue(); - value = wrapValue(value); - return value; + IV iv = delegate.getValue(); + return valueConverter.wrap(iv); } - public Object setValue(Object value) + public EV setValue(Object value) { - value = unwrapValue(value); - return delegate.setValue(value); + EV ev = (EV)value; + IV iv = valueConverter.unwrap(ev); + iv = delegate.setValue(iv); + return valueConverter.wrap(iv); } } } - - private static class LazyMapAccessor implements MapAccessor - { - private Map delegate; - - public LazyMapAccessor(Map delegate) - { - this.delegate = delegate; - } - - public Map getMap(boolean requestWriteable) - { - // if the delegate is null, wait until we need to write to it to initialize it - if (delegate == null) - { - if (requestWriteable) - { - delegate = new HashMap(); - } - else - { - return Collections.EMPTY_MAP; - } - } - - return delegate; - } - - public String toString() - { - return getMap(false).toString(); - } - } } Modified: modules/common/trunk/common/src/main/java/org/jboss/portal/common/value/Value.java =================================================================== --- modules/common/trunk/common/src/main/java/org/jboss/portal/common/value/Value.java 2007-11-15 14:49:38 UTC (rev 8946) +++ modules/common/trunk/common/src/main/java/org/jboss/portal/common/value/Value.java 2007-11-15 15:54:55 UTC (rev 8947) @@ -25,9 +25,6 @@ import java.io.Serializable; import java.util.Arrays; import java.util.List; -import java.util.Iterator; -import java.util.Collection; -import java.util.ListIterator; import java.util.AbstractList; import java.util.RandomAccess; @@ -158,11 +155,11 @@ * * @return a clone of this object */ - public final Object clone() + public final Value clone() { try { - return super.clone(); + return (Value)super.clone(); } catch (CloneNotSupportedException e) { Modified: modules/common/trunk/common/src/test/java/org/jboss/portal/test/common/ParameterMapTestCase.java =================================================================== --- modules/common/trunk/common/src/test/java/org/jboss/portal/test/common/ParameterMapTestCase.java 2007-11-15 14:49:38 UTC (rev 8946) +++ modules/common/trunk/common/src/test/java/org/jboss/portal/test/common/ParameterMapTestCase.java 2007-11-15 15:54:55 UTC (rev 8947) @@ -64,7 +64,7 @@ ParameterMap pm = new ParameterMap(new HashMap()); try { - pm.put(new Object(), new String[]{"bar"}); + ((Map)pm).put(new Object(), new String[]{"bar"}); fail(); } catch (ClassCastException expected) @@ -72,7 +72,7 @@ } try { - pm.put("foo", new Object[]{}); + ((Map)pm).put("foo", new Object[]{}); fail(); } catch (ClassCastException expected) Deleted: modules/common/trunk/common/src/test/java/org/jboss/portal/test/common/TypedMapTestCase.java =================================================================== --- modules/common/trunk/common/src/test/java/org/jboss/portal/test/common/TypedMapTestCase.java 2007-11-15 14:49:38 UTC (rev 8946) +++ modules/common/trunk/common/src/test/java/org/jboss/portal/test/common/TypedMapTestCase.java 2007-11-15 15:54:55 UTC (rev 8947) @@ -1,454 +0,0 @@ -/****************************************************************************** - * JBoss, a division of Red Hat * - * Copyright 2006, Red Hat Middleware, LLC, and individual * - * contributors as indicated by the @authors tag. See the * - * copyright.txt in the distribution for a full listing of * - * individual contributors. * - * * - * This is free software; you can redistribute it and/or modify it * - * under the terms of the GNU Lesser General Public License as * - * published by the Free Software Foundation; either version 2.1 of * - * the License, or (at your option) any later version. * - * * - * This software is distributed in the hope that it will be useful, * - * but WITHOUT ANY WARRANTY; without even the implied warranty of * - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * - * Lesser General Public License for more details. * - * * - * You should have received a copy of the GNU Lesser General Public * - * License along with this software; if not, write to the Free * - * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA * - * 02110-1301 USA, or see the FSF site: http://www.fsf.org. * - ******************************************************************************/ -package org.jboss.portal.test.common; - -import junit.framework.TestCase; -import org.jboss.portal.common.util.CollectionBuilder; -import org.jboss.portal.common.util.TypedMap; - -import java.util.Collections; -import java.util.HashMap; -import java.util.Map; - -/** - * @author <a href="mailto:julien@jboss.org">Julien Viet</a> - * @version $Revision: 1.1 $ - */ -public class TypedMapTestCase extends TestCase -{ - - public TypedMapTestCase(String name) - { - super(name); - } - - public void testGetWithBrokenGetInternalValue() - { - StringToIntegerMap map = new StringToIntegerMap(); - map.internalValueReturnsNull = true; - map.get("abc"); - map.delegate.put("abc", new Integer(0)); - map.get("abc"); - } - - public void testPutWithBrokenGetInternalValue() - { - StringToIntegerMap map = new StringToIntegerMap(); - map.internalValueReturnsNull = true; - try - { - map.put("abc", "0"); - fail(); - } - catch (IllegalArgumentException e) - { - } - } - - public void testRemoveWithBrokenGetInternalValue() - { - StringToIntegerMap map = new StringToIntegerMap(); - map.internalValueReturnsNull = true; - map.remove("abc"); - } - - public void testRemoveWithBrokenGetExternalValue() - { - StringToIntegerMap map = new StringToIntegerMap(); - map.externalValueReturnsNull = true; - map.remove("abc"); - map.delegate.put("abc", new Integer(0)); - try - { - map.remove("abc"); - fail(); - } - catch (IllegalStateException e) - { - } - } - - public void testGetWithBrokenGetExternalValue() - { - StringToIntegerMap map = new StringToIntegerMap(); - map.externalValueReturnsNull = true; - map.get("abc"); - map.delegate.put("abc", new Integer(0)); - try - { - map.get("abc"); - fail(); - } - catch (IllegalStateException e) - { - } - } - - public void testPutWithBrokenGetExternalValue() - { - StringToIntegerMap map = new StringToIntegerMap(); - map.externalValueReturnsNull = true; - map.put("abc", "0"); - try - { - map.put("abc", "0"); - fail(); - } - catch (IllegalStateException e) - { - } - } - - public void testGetWithInvalidInternalValue() - { - StringToIntegerMap map = new StringToIntegerMap(); - map.delegate.put("abc", "0"); - try - { - map.get("abc"); - fail(); - } - catch (ClassCastException expected) - { - } - } - - public void testPutWithInvalidInternalValue() - { - StringToIntegerMap map = new StringToIntegerMap(); - map.delegate.put("abc", "0"); - try - { - map.put("abc", "0"); - fail(); - } - catch (ClassCastException expected) - { - } - } - - public void testRemoveWithInvalidInternalValue() - { - StringToIntegerMap map = new StringToIntegerMap(); - map.delegate.put("abc", "0"); - try - { - map.remove("abc"); - fail(); - } - catch (ClassCastException expected) - { - } - } - - public void testRemove() - { - StringToIntegerMap map = new StringToIntegerMap(); - assertNull(map.remove("abc")); - map.delegate.put("abc", new Integer(0)); - assertEquals("0", map.remove("abc")); - assertTrue(map.delegate.isEmpty()); - } - - public void testPut() - { - StringToIntegerMap map = new StringToIntegerMap(); - map.put("abc", "0"); - assertEquals(Collections.singletonMap("abc", new Integer(0)), map.delegate); - } - - public void testGet() - { - StringToIntegerMap map = new StringToIntegerMap(); - assertNull(map.get("abc")); - map.delegate.put("abc", new Integer(0)); - assertEquals(Collections.singletonMap("abc", "0"), map); - } - - public void testContainsKeyWithInvalidKey() - { - try - { - new StringToIntegerMap().containsKey(null); - fail(); - } - catch (NullPointerException expected) - { - } - try - { - new StringToIntegerMap().containsKey(new Object()); - fail(); - } - catch (ClassCastException expected) - { - } - } - - public void testContainsValueWithInvalidValue() - { - try - { - new StringToIntegerMap().containsValue(null); - fail(); - } - catch (NullPointerException expected) - { - } - try - { - new StringToIntegerMap().containsValue(new Object()); - fail(); - } - catch (ClassCastException expected) - { - } - } - - public void testRemoveWithInvalidKey() - { - try - { - new StringToIntegerMap().remove(null); - fail(); - } - catch (NullPointerException expected) - { - } - try - { - new StringToIntegerMap().remove(new Object()); - fail(); - } - catch (ClassCastException expected) - { - } - } - - public void testGetWithInvalidKey() - { - try - { - new StringToIntegerMap().get(null); - fail(); - } - catch (NullPointerException expected) - { - } - try - { - new StringToIntegerMap().get(new Object()); - fail(); - } - catch (ClassCastException expected) - { - } - } - - public void testPutWithInvalidKey() - { - try - { - new StringToIntegerMap().put(null, "0"); - fail(); - } - catch (NullPointerException expected) - { - } - try - { - new StringToIntegerMap().put(new Object(), "0"); - fail(); - } - catch (ClassCastException expected) - { - } - } - - public void testWithPutInvalidValue() - { - try - { - new StringToIntegerMap().put("", null); - fail(); - } - catch (NullPointerException expected) - { - } - try - { - new StringToIntegerMap().put("", new Object()); - fail(); - } - catch (ClassCastException expected) - { - } - } - - public void testEquals() - { - StringToIntegerMap left = new StringToIntegerMap(); - left.delegate.put("abc", new Integer(0)); - Map right = new HashMap(); - - // - assertFalse(left.equals(right)); - assertFalse(right.equals(left)); - - // - right.put("abc", new Object()); - assertFalse(left.equals(right)); - assertFalse(right.equals(left)); - - // - right.put("abc", "abc"); - assertFalse(left.equals(right)); - assertFalse(right.equals(left)); - - // - right.put("abc", "0"); - assertTrue(left.equals(right)); - assertTrue(right.equals(left)); - - // - right.put("def", "1"); - assertFalse(left.equals(right)); - assertFalse(right.equals(left)); - - // - right.remove("def"); - right.put(null, "0"); - assertFalse(left.equals(right)); - assertFalse(right.equals(left)); - - // - right.remove(null); - right.put("def", null); - assertFalse(left.equals(right)); - assertFalse(right.equals(left)); - } - - public void testEntrySetRetainAll() - { - Map right = new HashMap(); - right.put("abc", new Integer(0)); - right.put("def", new Integer(1)); - right.put("ghi", new Integer(2)); - - // - StringToIntegerMap left = new StringToIntegerMap(); - left.delegate.putAll(right); - - try - { - left.keySet().retainAll(null); - fail("Was expecting NPE"); - } - catch (NullPointerException expected) - { - } - - // - boolean changed = left.keySet().retainAll(CollectionBuilder.hashSet().add("abc").add("def").add("ghi").get()); - assertFalse(changed); - assertEquals(right, left.delegate); - - // - changed = left.keySet().retainAll(CollectionBuilder.hashSet().add("def").get()); - assertTrue(changed); - right.remove("abc"); - right.remove("ghi"); - assertEquals(right, left.delegate); - } - - public static class StringToIntegerMap extends TypedMap - { - - /** . */ - final Map delegate; - - /** . */ - boolean internalValueReturnsNull = false; - - /** . */ - boolean externalValueReturnsNull = false; - - public StringToIntegerMap() - { - super(new HashMap()); - - // - delegate = getDelegate(false); - } - - protected void assertKeyValidity(Object key) throws ClassCastException - { - assertNotNull(key); - if (key instanceof String == false) - { - throw new ClassCastException(); - } - } - - protected Object getInternalValue(Object value) throws IllegalArgumentException, ClassCastException - { - assertNotNull(value); - if (internalValueReturnsNull) - { - return null; - } - String s = (String)value; - try - { - return new Integer(s); - } - catch (NumberFormatException e) - { - IllegalArgumentException iae = new IllegalArgumentException(); - iae.initCause(e); - throw iae; - } - } - - protected Object getExternalValue(Object value) - { - assertNotNull(value); - if (externalValueReturnsNull) - { - return null; - } - Integer i = (Integer)value; - return i.toString(); - } - - protected boolean internalValueEquals(Object left, Object right) - { - assertNotNull(left); - assertNotNull(right); - Integer li = (Integer)left; - Integer ri = (Integer)right; - return li.intValue() == ri.intValue(); - } - } - -} Added: modules/common/trunk/common/src/test/java/org/jboss/portal/test/common/util/TypedMapTestCase.java =================================================================== --- modules/common/trunk/common/src/test/java/org/jboss/portal/test/common/util/TypedMapTestCase.java (rev 0) +++ modules/common/trunk/common/src/test/java/org/jboss/portal/test/common/util/TypedMapTestCase.java 2007-11-15 15:54:55 UTC (rev 8947) @@ -0,0 +1,462 @@ +/****************************************************************************** + * JBoss, a division of Red Hat * + * Copyright 2006, Red Hat Middleware, LLC, and individual * + * contributors as indicated by the @authors tag. See the * + * copyright.txt in the distribution for a full listing of * + * individual contributors. * + * * + * This is free software; you can redistribute it and/or modify it * + * under the terms of the GNU Lesser General Public License as * + * published by the Free Software Foundation; either version 2.1 of * + * the License, or (at your option) any later version. * + * * + * This software is distributed in the hope that it will be useful, * + * but WITHOUT ANY WARRANTY; without even the implied warranty of * + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * + * Lesser General Public License for more details. * + * * + * You should have received a copy of the GNU Lesser General Public * + * License along with this software; if not, write to the Free * + * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA * + * 02110-1301 USA, or see the FSF site: http://www.fsf.org. * + ******************************************************************************/ +package org.jboss.portal.test.common.util; + +import junit.framework.TestCase; +import org.jboss.portal.common.util.CollectionBuilder; +import org.jboss.portal.common.util.TypedMap; + +import java.util.Collections; +import java.util.HashMap; +import java.util.Map; + +/** + * @author <a href="mailto:julien@jboss.org">Julien Viet</a> + * @version $Revision: 1.1 $ + */ +public class TypedMapTestCase extends TestCase +{ + + private StringToInteger sti; + + private Map<String, Integer> delegate; + + private StringToIntegerMap map; + + public TypedMapTestCase(String name) + { + super(name); + } + + protected void setUp() throws Exception + { + delegate = new HashMap<String, Integer>(); + sti = new StringToInteger(); + map = new StringToIntegerMap(delegate, sti); + } + + public void testGetWithBrokenGetInternalValue() + { + sti.internalValueReturnsNull = true; + map.get("abc"); + delegate.put("abc", new Integer(0)); + map.get("abc"); + } + + public void testPutWithBrokenGetInternalValue() + { + sti.internalValueReturnsNull = true; + try + { + map.put("abc", "0"); + fail(); + } + catch (IllegalArgumentException e) + { + } + } + + public void testRemoveWithBrokenGetInternalValue() + { + sti.internalValueReturnsNull = true; + map.remove("abc"); + } + + public void testRemoveWithBrokenGetExternalValue() + { + sti.externalValueReturnsNull = true; + map.remove("abc"); + delegate.put("abc", new Integer(0)); + try + { + map.remove("abc"); + fail(); + } + catch (IllegalStateException e) + { + } + } + + public void testGetWithBrokenGetExternalValue() + { + sti.externalValueReturnsNull = true; + map.get("abc"); + delegate.put("abc", new Integer(0)); + try + { + map.get("abc"); + fail(); + } + catch (IllegalStateException e) + { + } + } + + public void testPutWithBrokenGetExternalValue() + { + sti.externalValueReturnsNull = true; + map.put("abc", "0"); + try + { + map.put("abc", "0"); + fail(); + } + catch (IllegalStateException e) + { + } + } + + public void testGetWithInvalidInternalValue() + { + ((Map)delegate).put("abc", "0"); + try + { + map.get("abc"); + fail(); + } + catch (ClassCastException expected) + { + } + } + + public void testPutWithInvalidInternalValue() + { + ((Map)delegate).put("abc", "0"); + try + { + map.put("abc", "0"); + fail(); + } + catch (ClassCastException expected) + { + } + } + + public void testRemoveWithInvalidInternalValue() + { + ((Map)delegate).put("abc", "0"); + try + { + map.remove("abc"); + fail(); + } + catch (ClassCastException expected) + { + } + } + + public void testRemove() + { + assertNull(map.remove("abc")); + delegate.put("abc", new Integer(0)); + assertEquals("0", map.remove("abc")); + assertTrue(delegate.isEmpty()); + } + + public void testPut() + { + map.put("abc", "0"); + assertEquals(Collections.singletonMap("abc", new Integer(0)), delegate); + } + + public void testGet() + { + assertNull(map.get("abc")); + delegate.put("abc", new Integer(0)); + assertEquals(Collections.singletonMap("abc", "0"), map); + } + + public void testContainsKeyWithInvalidKey() + { + try + { + map.containsKey(null); + fail(); + } + catch (NullPointerException expected) + { + } + try + { + map.containsKey(new Object()); + fail(); + } + catch (ClassCastException expected) + { + } + } + + public void testContainsValueWithInvalidValue() + { + try + { + map.containsValue(null); + fail(); + } + catch (NullPointerException expected) + { + } + try + { + map.containsValue(new Object()); + fail(); + } + catch (ClassCastException expected) + { + } + } + + public void testRemoveWithInvalidKey() + { + try + { + map.remove(null); + fail(); + } + catch (NullPointerException expected) + { + } + try + { + map.remove(new Object()); + fail(); + } + catch (ClassCastException expected) + { + } + } + + public void testGetWithInvalidKey() + { + try + { + map.get(null); + fail(); + } + catch (NullPointerException expected) + { + } + try + { + map.get(new Object()); + fail(); + } + catch (ClassCastException expected) + { + } + } + + public void testPutWithInvalidKey() + { + try + { + map.put(null, "0"); + fail(); + } + catch (NullPointerException expected) + { + } + try + { + ((Map)map).put(new Object(), "0"); + fail(); + } + catch (ClassCastException expected) + { + } + } + + public void testWithPutInvalidValue() + { + try + { + map.put("", null); + fail(); + } + catch (NullPointerException expected) + { + } + try + { + ((Map)map).put("", new Object()); + fail(); + } + catch (ClassCastException expected) + { + } + } + + public void testEquals() + { + Map<String, Integer> leftDelegate = new HashMap<String, Integer>(); + StringToIntegerMap left = new StringToIntegerMap(leftDelegate, sti); + leftDelegate.put("abc", new Integer(0)); + Map right = new HashMap(); + + // + assertFalse(left.equals(right)); + assertFalse(right.equals(left)); + + // + right.put("abc", new Object()); + assertFalse(left.equals(right)); + assertFalse(right.equals(left)); + + // + right.put("abc", "abc"); + assertFalse(left.equals(right)); + assertFalse(right.equals(left)); + + // + right.put("abc", "0"); + assertTrue(left.equals(right)); + assertTrue(right.equals(left)); + + // + right.put("def", "1"); + assertFalse(left.equals(right)); + assertFalse(right.equals(left)); + + // + right.remove("def"); + right.put(null, "0"); + assertFalse(left.equals(right)); + assertFalse(right.equals(left)); + + // + right.remove(null); + right.put("def", null); + assertFalse(left.equals(right)); + assertFalse(right.equals(left)); + } + + public void testEntrySetRetainAll() + { + Map right = new HashMap(); + right.put("abc", new Integer(0)); + right.put("def", new Integer(1)); + right.put("ghi", new Integer(2)); + + // + Map<String, Integer> leftDelegate = new HashMap<String, Integer>(); + StringToIntegerMap left = new StringToIntegerMap(leftDelegate, sti); + leftDelegate.putAll(right); + + try + { + left.keySet().retainAll(null); + fail("Was expecting NPE"); + } + catch (NullPointerException expected) + { + } + + // + boolean changed = left.keySet().retainAll(CollectionBuilder.hashSet().add("abc").add("def").add("ghi").get()); + assertFalse(changed); + assertEquals(right, leftDelegate); + + // + changed = left.keySet().retainAll(CollectionBuilder.hashSet().add("def").get()); + assertTrue(changed); + right.remove("abc"); + right.remove("ghi"); + assertEquals(right, leftDelegate); + } + + public static class StringToIntegerMap extends TypedMap<String, String, String, Integer> + { + public StringToIntegerMap(Map<String, Integer> map, StringToInteger sti) + { + super(map, new StringToString(), sti); + } + } + + private static class StringToString extends TypedMap.Converter<String, String> + { + protected String getInternal(String external) throws IllegalArgumentException, ClassCastException + { + return external; + } + protected String getExternal(String internal) + { + return internal; + } + protected boolean equals(String left, String right) + { + return left.equals(right); + } + } + + private static class StringToInteger extends TypedMap.Converter<String, Integer> + { + + /** . */ + boolean internalValueReturnsNull = false; + + /** . */ + boolean externalValueReturnsNull = false; + + protected Integer getInternal(String external) throws IllegalArgumentException, ClassCastException + { + assertNotNull(external); + + // + if (internalValueReturnsNull) + { + return null; + } + try + { + return new Integer(external); + } + catch (NumberFormatException e) + { + IllegalArgumentException iae = new IllegalArgumentException(); + iae.initCause(e); + throw iae; + } + } + + protected String getExternal(Integer internal) + { + assertNotNull(internal); + + // + if (externalValueReturnsNull) + { + return null; + } + + // + return internal.toString(); + } + + protected boolean equals(Integer left, Integer right) + { + assertNotNull(left); + assertNotNull(right); + return left.intValue() == right.intValue(); + } + } +} \ No newline at end of file