[jboss-cvs] JBossAS SVN: r98505 - projects/javaee/tags/jboss-javaee-parent-6.0.0-alpha-1/jboss-el-api/src/main/javax/el.
jboss-cvs-commits at lists.jboss.org
jboss-cvs-commits at lists.jboss.org
Tue Dec 22 12:23:59 EST 2009
Author: jaikiran
Date: 2009-12-22 12:23:59 -0500 (Tue, 22 Dec 2009)
New Revision: 98505
Removed:
projects/javaee/tags/jboss-javaee-parent-6.0.0-alpha-1/jboss-el-api/src/main/javax/el/MapELResolver.java
Log:
Autoversioning commit: a non-deltaV client made a change to
/projects/javaee/tags/jboss-javaee-parent-6.0.0-alpha-1/jboss-el-api/src/main/javax/el/MapELResolver.java
Deleted: projects/javaee/tags/jboss-javaee-parent-6.0.0-alpha-1/jboss-el-api/src/main/javax/el/MapELResolver.java
===================================================================
--- projects/javaee/tags/jboss-javaee-parent-6.0.0-alpha-1/jboss-el-api/src/main/javax/el/MapELResolver.java 2009-12-22 17:23:52 UTC (rev 98504)
+++ projects/javaee/tags/jboss-javaee-parent-6.0.0-alpha-1/jboss-el-api/src/main/javax/el/MapELResolver.java 2009-12-22 17:23:59 UTC (rev 98505)
@@ -1,411 +0,0 @@
-/*
- * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
- *
- * Copyright 1997-2008 Sun Microsystems, Inc. All rights reserved.
- *
- * The contents of this file are subject to the terms of either the GNU
- * General Public License Version 2 only ("GPL") or the Common Development
- * and Distribution License("CDDL") (collectively, the "License"). You
- * may not use this file except in compliance with the License. You can obtain
- * a copy of the License at https://glassfish.dev.java.net/public/CDDL+GPL.html
- * or glassfish/bootstrap/legal/LICENSE.txt. See the License for the specific
- * language governing permissions and limitations under the License.
- *
- * When distributing the software, include this License Header Notice in each
- * file and include the License file at glassfish/bootstrap/legal/LICENSE.txt.
- * Sun designates this particular file as subject to the "Classpath" exception
- * as provided by Sun in the GPL Version 2 section of the License file that
- * accompanied this code. If applicable, add the following below the License
- * Header, with the fields enclosed by brackets [] replaced by your own
- * identifying information: "Portions Copyrighted [year]
- * [name of copyright owner]"
- *
- * Contributor(s):
- *
- * If you wish your version of this file to be governed by only the CDDL or
- * only the GPL Version 2, indicate your decision by adding "[Contributor]
- * elects to include this software in this distribution under the [CDDL or GPL
- * Version 2] license." If you don't indicate a single choice of license, a
- * recipient has the option to distribute your version of this file under
- * either the CDDL, the GPL Version 2 or to extend the choice of license to
- * its licensees as provided above. However, if you add GPL Version 2 code
- * and therefore, elected the GPL Version 2 license, then the option applies
- * only if the new code is made subject to such option by the copyright
- * holder.
- *
- *
- * This file incorporates work covered by the following copyright and
- * permission notice:
- *
- * Copyright 2004 The Apache Software Foundation
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-
-package javax.el;
-
-import java.beans.FeatureDescriptor;
-import java.util.Map;
-import java.util.Iterator;
-import java.util.Collections;
-import java.util.HashMap;
-import java.util.List;
-import java.util.ArrayList;
-
-/**
- * Defines property resolution behavior on instances of {@link java.util.Map}.
- *
- * <p>This resolver handles base objects of type <code>java.util.Map</code>.
- * It accepts any object as a property and uses that object as a key in
- * the map. The resulting value is the value in the map that is associated with
- * that key.</p>
- *
- * <p>This resolver can be constructed in read-only mode, which means that
- * {@link #isReadOnly} will always return <code>true</code> and
- * {@link #setValue} will always throw
- * <code>PropertyNotWritableException</code>.</p>
- *
- * <p><code>ELResolver</code>s are combined together using
- * {@link CompositeELResolver}s, to define rich semantics for evaluating
- * an expression. See the javadocs for {@link ELResolver} for details.</p>
- *
- * @see CompositeELResolver
- * @see ELResolver
- * @see java.util.Map
- * @since JSP 2.1
- */
-public class MapELResolver extends ELResolver {
-
- /**
- * Creates a new read/write <code>MapELResolver</code>.
- */
- public MapELResolver() {
- this.isReadOnly = false;
- }
-
- /**
- * Creates a new <code>MapELResolver</code> whose read-only status is
- * determined by the given parameter.
- *
- * @param isReadOnly <code>true</code> if this resolver cannot modify
- * maps; <code>false</code> otherwise.
- */
- public MapELResolver(boolean isReadOnly) {
- this.isReadOnly = isReadOnly;
- }
-
- /**
- * If the base object is a map, returns the most general acceptable type
- * for a value in this map.
- *
- * <p>If the base is a <code>Map</code>, the <code>propertyResolved</code>
- * property of the <code>ELContext</code> object must be set to
- * <code>true</code> by this resolver, before returning. If this property
- * is not <code>true</code> after this method is called, the caller
- * should ignore the return value.</p>
- *
- * <p>Assuming the base is a <code>Map</code>, this method will always
- * return <code>Object.class</code>. This is because <code>Map</code>s
- * accept any object as the value for a given key.</p>
- *
- * @param context The context of this evaluation.
- * @param base The map to analyze. Only bases of type <code>Map</code>
- * are handled by this resolver.
- * @param property The key to return the acceptable type for.
- * Ignored by this resolver.
- * @return If the <code>propertyResolved</code> property of
- * <code>ELContext</code> was set to <code>true</code>, then
- * the most general acceptable type; otherwise undefined.
- * @throws NullPointerException if context is <code>null</code>
- * @throws ELException if an exception was thrown while performing
- * the property or variable resolution. The thrown exception
- * must be included as the cause property of this exception, if
- * available.
- */
- public Class<?> getType(ELContext context,
- Object base,
- Object property) {
-
- if (context == null) {
- throw new NullPointerException();
- }
-
- if (base != null && base instanceof Map) {
- context.setPropertyResolved(true);
- return Object.class;
- }
- return null;
- }
-
- /**
- * If the base object is a map, returns the value associated with the
- * given key, as specified by the <code>property</code> argument. If the
- * key was not found, <code>null</code> is returned.
- *
- * <p>If the base is a <code>Map</code>, the <code>propertyResolved</code>
- * property of the <code>ELContext</code> object must be set to
- * <code>true</code> by this resolver, before returning. If this property
- * is not <code>true</code> after this method is called, the caller
- * should ignore the return value.</p>
- *
- * <p>Just as in {@link java.util.Map#get}, just because <code>null</code>
- * is returned doesn't mean there is no mapping for the key; it's also
- * possible that the <code>Map</code> explicitly maps the key to
- * <code>null</code>.</p>
- *
- * @param context The context of this evaluation.
- * @param base The map to be analyzed. Only bases of type <code>Map</code>
- * are handled by this resolver.
- * @param property The key whose associated value is to be returned.
- * @return If the <code>propertyResolved</code> property of
- * <code>ELContext</code> was set to <code>true</code>, then
- * the value associated with the given key or <code>null</code>
- * if the key was not found. Otherwise, undefined.
- * @throws ClassCastException if the key is of an inappropriate type
- * for this map (optionally thrown by the underlying <code>Map</code>).
- * @throws NullPointerException if context is <code>null</code>, or if
- * the key is null and this map does not permit null keys (the
- * latter is optionally thrown by the underlying <code>Map</code>).
- * @throws ELException if an exception was thrown while performing
- * the property or variable resolution. The thrown exception
- * must be included as the cause property of this exception, if
- * available.
- */
- public Object getValue(ELContext context,
- Object base,
- Object property) {
-
- if (context == null) {
- throw new NullPointerException();
- }
-
- if (base != null && base instanceof Map) {
- context.setPropertyResolved(true);
- Map map = (Map) base;
- return map.get(property);
- }
- return null;
- }
-
- static private Class<?> theUnmodifiableMapClass =
- Collections.unmodifiableMap(new HashMap()).getClass();
-
- /**
- * If the base object is a map, attempts to set the value associated with
- * the given key, as specified by the <code>property</code> argument.
- *
- * <p>If the base is a <code>Map</code>, the <code>propertyResolved</code>
- * property of the <code>ELContext</code> object must be set to
- * <code>true</code> by this resolver, before returning. If this property
- * is not <code>true</code> after this method is called, the caller
- * can safely assume no value was set.</p>
- *
- * <p>If this resolver was constructed in read-only mode, this method will
- * always throw <code>PropertyNotWritableException</code>.</p>
- *
- * <p>If a <code>Map</code> was created using
- * {@link java.util.Collections#unmodifiableMap}, this method must
- * throw <code>PropertyNotWritableException</code>. Unfortunately,
- * there is no Collections API method to detect this. However, an
- * implementation can create a prototype unmodifiable <code>Map</code>
- * and query its runtime type to see if it matches the runtime type of
- * the base object as a workaround.</p>
- *
- * @param context The context of this evaluation.
- * @param base The map to be modified. Only bases of type <code>Map</code>
- * are handled by this resolver.
- * @param property The key with which the specified value is to be
- * associated.
- * @param val The value to be associated with the specified key.
- * @throws ClassCastException if the class of the specified key or
- * value prevents it from being stored in this map.
- * @throws NullPointerException if context is <code>null</code>, or if
- * this map does not permit <code>null</code> keys or values, and
- * the specified key or value is <code>null</code>.
- * @throws IllegalArgumentException if some aspect of this key or
- * value prevents it from being stored in this map.
- * @throws ELException if an exception was thrown while performing
- * the property or variable resolution. The thrown exception
- * must be included as the cause property of this exception, if
- * available.
- * @throws PropertyNotWritableException if this resolver was constructed
- * in read-only mode, or if the put operation is not supported by
- * the underlying map.
- */
- public void setValue(ELContext context,
- Object base,
- Object property,
- Object val) {
-
- if (context == null) {
- throw new NullPointerException();
- }
-
- if (base != null && base instanceof Map) {
- context.setPropertyResolved(true);
- Map map = (Map) base;
- if (isReadOnly || map.getClass() == theUnmodifiableMapClass) {
- throw new PropertyNotWritableException();
- }
- try {
- map.put(property, val);
- } catch (UnsupportedOperationException ex) {
- throw new PropertyNotWritableException();
- }
- }
- }
-
- /**
- * If the base object is a map, returns whether a call to
- * {@link #setValue} will always fail.
- *
- * <p>If the base is a <code>Map</code>, the <code>propertyResolved</code>
- * property of the <code>ELContext</code> object must be set to
- * <code>true</code> by this resolver, before returning. If this property
- * is not <code>true</code> after this method is called, the caller
- * should ignore the return value.</p>
- *
- * <p>If this resolver was constructed in read-only mode, this method will
- * always return <code>true</code>.</p>
- *
- * <p>If a <code>Map</code> was created using
- * {@link java.util.Collections#unmodifiableMap}, this method must
- * return <code>true</code>. Unfortunately, there is no Collections API
- * method to detect this. However, an implementation can create a
- * prototype unmodifiable <code>Map</code> and query its runtime type
- * to see if it matches the runtime type of the base object as a
- * workaround.</p>
- *
- * @param context The context of this evaluation.
- * @param base The map to analyze. Only bases of type <code>Map</code>
- * are handled by this resolver.
- * @param property The key to return the read-only status for.
- * Ignored by this resolver.
- * @return If the <code>propertyResolved</code> property of
- * <code>ELContext</code> was set to <code>true</code>, then
- * <code>true</code> if calling the <code>setValue</code> method
- * will always fail or <code>false</code> if it is possible that
- * such a call may succeed; otherwise undefined.
- * @throws NullPointerException if context is <code>null</code>
- * @throws ELException if an exception was thrown while performing
- * the property or variable resolution. The thrown exception
- * must be included as the cause property of this exception, if
- * available.
- */
- public boolean isReadOnly(ELContext context,
- Object base,
- Object property) {
-
- if (context == null) {
- throw new NullPointerException();
- }
-
- if (base != null && base instanceof Map) {
- context.setPropertyResolved(true);
- Map map = (Map) base;
- return isReadOnly || map.getClass() == theUnmodifiableMapClass;
- }
- return false;
- }
-
- /**
- * If the base object is a map, returns an <code>Iterator</code>
- * containing the set of keys available in the <code>Map</code>.
- * Otherwise, returns <code>null</code>.
- *
- * <p>The <code>Iterator</code> returned must contain zero or more
- * instances of {@link java.beans.FeatureDescriptor}. Each info object
- * contains information about a key in the Map, and is initialized as
- * follows:
- * <dl>
- * <li>displayName - The return value of calling the
- * <code>toString</code> method on this key, or
- * <code>"null"</code> if the key is <code>null</code>.</li>
- * <li>name - Same as displayName property.</li>
- * <li>shortDescription - Empty string</li>
- * <li>expert - <code>false</code></li>
- * <li>hidden - <code>false</code></li>
- * <li>preferred - <code>true</code></li>
- * </dl>
- * In addition, the following named attributes must be set in the
- * returned <code>FeatureDescriptor</code>s:
- * <dl>
- * <li>{@link ELResolver#TYPE} - The return value of calling the <code>getClass()</code>
- * method on this key, or <code>null</code> if the key is
- * <code>null</code>.</li>
- * <li>{@link ELResolver#RESOLVABLE_AT_DESIGN_TIME} - <code>true</code></li>
- * </dl>
- * </p>
- *
- * @param context The context of this evaluation.
- * @param base The map whose keys are to be iterated over. Only bases
- * of type <code>Map</code> are handled by this resolver.
- * @return An <code>Iterator</code> containing zero or more (possibly
- * infinitely more) <code>FeatureDescriptor</code> objects, each
- * representing a key in this map, or <code>null</code> if
- * the base object is not a map.
- */
- public Iterator<FeatureDescriptor> getFeatureDescriptors(
- ELContext context,
- Object base) {
-
- if (base != null && base instanceof Map) {
- Map map = (Map) base;
- Iterator iter = map.keySet().iterator();
- List<FeatureDescriptor> list = new ArrayList<FeatureDescriptor>();
- while (iter.hasNext()) {
- Object key = iter.next();
- FeatureDescriptor descriptor = new FeatureDescriptor();
- String name = (key==null)? null: key.toString();
- descriptor.setName(name);
- descriptor.setDisplayName(name);
- descriptor.setShortDescription("");
- descriptor.setExpert(false);
- descriptor.setHidden(false);
- descriptor.setPreferred(true);
- descriptor.setValue("type", key==null? null: key.getClass());
- descriptor.setValue("resolvableAtDesignTime", Boolean.TRUE);
- list.add(descriptor);
- }
- return list.iterator();
- }
- return null;
- }
-
- /**
- * If the base object is a map, returns the most general type that
- * this resolver accepts for the <code>property</code> argument.
- * Otherwise, returns <code>null</code>.
- *
- * <p>Assuming the base is a <code>Map</code>, this method will always
- * return <code>Object.class</code>. This is because <code>Map</code>s
- * accept any object as a key.</p>
- *
- * @param context The context of this evaluation.
- * @param base The map to analyze. Only bases of type <code>Map</code>
- * are handled by this resolver.
- * @return <code>null</code> if base is not a <code>Map</code>; otherwise
- * <code>Object.class</code>.
- */
- public Class<?> getCommonPropertyType(ELContext context,
- Object base) {
- if (base != null && base instanceof Map) {
- return Object.class;
- }
- return null;
- }
-
- private boolean isReadOnly;
-}
-
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