[webbeans-commits] Webbeans SVN: r2154 - ri/trunk/impl/src/main/java/org/jboss/webbeans/util.
webbeans-commits at lists.jboss.org
webbeans-commits at lists.jboss.org
Mon Mar 23 15:33:08 EDT 2009
Author: pete.muir at jboss.org
Date: 2009-03-23 15:33:08 -0400 (Mon, 23 Mar 2009)
New Revision: 2154
Modified:
ri/trunk/impl/src/main/java/org/jboss/webbeans/util/Proxies.java
Log:
WBRI-193
Modified: ri/trunk/impl/src/main/java/org/jboss/webbeans/util/Proxies.java
===================================================================
--- ri/trunk/impl/src/main/java/org/jboss/webbeans/util/Proxies.java 2009-03-23 19:15:42 UTC (rev 2153)
+++ ri/trunk/impl/src/main/java/org/jboss/webbeans/util/Proxies.java 2009-03-23 19:33:08 UTC (rev 2154)
@@ -1,217 +1,221 @@
-/*
- * JBoss, Home of Professional Open Source
- * Copyright 2008, Red Hat Middleware LLC, and individual contributors
- * by the @authors tag. See the copyright.txt in the distribution for a
- * full listing of individual contributors.
- *
- * 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 org.jboss.webbeans.util;
-
-import java.lang.reflect.ParameterizedType;
-import java.lang.reflect.Type;
-import java.util.Iterator;
-import java.util.LinkedHashSet;
-import java.util.Set;
-
-import javassist.util.proxy.ProxyFactory;
-
-/**
- * Utilties for working with Javassist proxies
- *
- * @author Nicklas Karlsson
- * @author Pete Muir
- *
- */
-public class Proxies
-{
-
- public static class TypeInfo
- {
-
- private static final Class<?>[] EMPTY_INTERFACES_ARRAY = new Class<?>[0];
-
- private final Set<Class<?>> interfaces;
- private final Set<Class<?>> classes;
-
- private TypeInfo()
- {
- super();
- this.interfaces = new LinkedHashSet<Class<?>>();
- this.classes = new LinkedHashSet<Class<?>>();
- }
-
- public Class<?> getSuperClass()
- {
- if (classes.isEmpty())
- {
- throw new AssertionError("TypeInfo not properly initialized");
- }
- Iterator<Class<?>> it = classes.iterator();
- Class<?> superclass = it.next();
- while (it.hasNext())
- {
- Class<?> clazz = it.next();
- if (superclass.isAssignableFrom(clazz))
- {
- superclass = clazz;
- }
- }
- return superclass;
- }
-
- private Class<?>[] getInterfaces()
- {
- return interfaces.toArray(EMPTY_INTERFACES_ARRAY);
- }
-
- public ProxyFactory createProxyFactory()
- {
- ProxyFactory proxyFactory = new ProxyFactory();
- proxyFactory.setSuperclass(getSuperClass());
- proxyFactory.setInterfaces(getInterfaces());
- return proxyFactory;
- }
-
- private void add(Type type)
- {
- if (type instanceof Class)
- {
- Class<?> clazz = (Class<?>) type;
- if (clazz.isInterface())
- {
- interfaces.add(clazz);
- }
- else
- {
- classes.add(clazz);
- }
- }
- else if (type instanceof ParameterizedType)
- {
- add(((ParameterizedType)type).getRawType());
- }
- else
- {
- throw new IllegalArgumentException("Cannot proxy non-Class Type " + type);
- }
- }
-
- public static TypeInfo ofTypes(Set<? extends Type> types)
- {
- TypeInfo typeInfo = new TypeInfo();
- for (Type type : types)
- {
- typeInfo.add(type);
- }
- return typeInfo;
- }
-
- public static TypeInfo ofClasses(Set<Class<?>> classes)
- {
- TypeInfo typeInfo = new TypeInfo();
- for (Class<?> type : classes)
- {
- typeInfo.add(type);
- }
- return typeInfo;
- }
-
- }
-
- /**
- * Get the proxy factory for the given set of types
- *
- * @param types The types to create the proxy factory for
- * @param classes Additional interfaces the proxy should implement
- * @return the proxy factory
- */
- public static ProxyFactory getProxyFactory(Set<Type> types)
- {
- return TypeInfo.ofTypes(types).createProxyFactory();
- }
-
- /**
- * Indicates if a class is proxyable
- *
- * @param type The class to test
- * @return True if proxyable, false otherwise
- */
- public static boolean isTypeProxyable(Type type)
- {
- if (type instanceof Class)
- {
- return isClassProxyable((Class<?>) type);
- }
- else if (type instanceof ParameterizedType)
- {
- Type rawType = ((ParameterizedType) type).getRawType();
- if (rawType instanceof Class)
- {
- return isClassProxyable((Class<?>) rawType);
- }
- }
- return false;
- }
-
-
- /**
- * Indicates if a set of types are all proxyable
- *
- * @param types The types to test
- * @return True if proxyable, false otherwise
- */
- public static boolean isTypesProxyable(Iterable<? extends Type> types)
- {
- for (Type apiType : types)
- {
- if (Object.class.equals(apiType))
- {
- continue;
- }
- if (!isTypeProxyable(apiType))
- {
- return false;
- }
- }
- return true;
- }
-
- private static boolean isClassProxyable(Class<?> clazz)
- {
- if (clazz.isInterface())
- {
- return true;
- }
- else if (Reflections.getConstructor(clazz) == null)
- {
- return false;
- }
- else if (Reflections.isTypeOrAnyMethodFinal(clazz))
- {
- return false;
- }
- else if (Reflections.isPrimitive(clazz))
- {
- return false;
- }
- else if (Reflections.isArrayType(clazz))
- {
- return false;
- }
- else
- {
- return true;
- }
- }
-
-
-}
+/*
+ * JBoss, Home of Professional Open Source
+ * Copyright 2008, Red Hat Middleware LLC, and individual contributors
+ * by the @authors tag. See the copyright.txt in the distribution for a
+ * full listing of individual contributors.
+ *
+ * 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 org.jboss.webbeans.util;
+
+import java.lang.reflect.ParameterizedType;
+import java.lang.reflect.Type;
+import java.util.Iterator;
+import java.util.LinkedHashSet;
+import java.util.Set;
+
+import javassist.util.proxy.ProxyFactory;
+
+/**
+ * Utilties for working with Javassist proxies
+ *
+ * @author Nicklas Karlsson
+ * @author Pete Muir
+ *
+ */
+public class Proxies
+{
+
+ public static class TypeInfo
+ {
+
+ private static final Class<?>[] EMPTY_INTERFACES_ARRAY = new Class<?>[0];
+
+ private final Set<Class<?>> interfaces;
+ private final Set<Class<?>> classes;
+
+ private TypeInfo()
+ {
+ super();
+ this.interfaces = new LinkedHashSet<Class<?>>();
+ this.classes = new LinkedHashSet<Class<?>>();
+ }
+
+ public Class<?> getSuperClass()
+ {
+ if (classes.isEmpty())
+ {
+ throw new AssertionError("TypeInfo not properly initialized");
+ }
+ Iterator<Class<?>> it = classes.iterator();
+ Class<?> superclass = it.next();
+ while (it.hasNext())
+ {
+ Class<?> clazz = it.next();
+ if (superclass.isAssignableFrom(clazz))
+ {
+ superclass = clazz;
+ }
+ }
+ return superclass;
+ }
+
+ private Class<?>[] getInterfaces()
+ {
+ return interfaces.toArray(EMPTY_INTERFACES_ARRAY);
+ }
+
+ public ProxyFactory createProxyFactory()
+ {
+ ProxyFactory proxyFactory = new ProxyFactory();
+ Class<?> superClass = getSuperClass();
+ if(superClass != Object.class)
+ {
+ proxyFactory.setSuperclass(superClass);
+ }
+ proxyFactory.setInterfaces(getInterfaces());
+ return proxyFactory;
+ }
+
+ private void add(Type type)
+ {
+ if (type instanceof Class)
+ {
+ Class<?> clazz = (Class<?>) type;
+ if (clazz.isInterface())
+ {
+ interfaces.add(clazz);
+ }
+ else
+ {
+ classes.add(clazz);
+ }
+ }
+ else if (type instanceof ParameterizedType)
+ {
+ add(((ParameterizedType)type).getRawType());
+ }
+ else
+ {
+ throw new IllegalArgumentException("Cannot proxy non-Class Type " + type);
+ }
+ }
+
+ public static TypeInfo ofTypes(Set<? extends Type> types)
+ {
+ TypeInfo typeInfo = new TypeInfo();
+ for (Type type : types)
+ {
+ typeInfo.add(type);
+ }
+ return typeInfo;
+ }
+
+ public static TypeInfo ofClasses(Set<Class<?>> classes)
+ {
+ TypeInfo typeInfo = new TypeInfo();
+ for (Class<?> type : classes)
+ {
+ typeInfo.add(type);
+ }
+ return typeInfo;
+ }
+
+ }
+
+ /**
+ * Get the proxy factory for the given set of types
+ *
+ * @param types The types to create the proxy factory for
+ * @param classes Additional interfaces the proxy should implement
+ * @return the proxy factory
+ */
+ public static ProxyFactory getProxyFactory(Set<Type> types)
+ {
+ return TypeInfo.ofTypes(types).createProxyFactory();
+ }
+
+ /**
+ * Indicates if a class is proxyable
+ *
+ * @param type The class to test
+ * @return True if proxyable, false otherwise
+ */
+ public static boolean isTypeProxyable(Type type)
+ {
+ if (type instanceof Class)
+ {
+ return isClassProxyable((Class<?>) type);
+ }
+ else if (type instanceof ParameterizedType)
+ {
+ Type rawType = ((ParameterizedType) type).getRawType();
+ if (rawType instanceof Class)
+ {
+ return isClassProxyable((Class<?>) rawType);
+ }
+ }
+ return false;
+ }
+
+
+ /**
+ * Indicates if a set of types are all proxyable
+ *
+ * @param types The types to test
+ * @return True if proxyable, false otherwise
+ */
+ public static boolean isTypesProxyable(Iterable<? extends Type> types)
+ {
+ for (Type apiType : types)
+ {
+ if (Object.class.equals(apiType))
+ {
+ continue;
+ }
+ if (!isTypeProxyable(apiType))
+ {
+ return false;
+ }
+ }
+ return true;
+ }
+
+ private static boolean isClassProxyable(Class<?> clazz)
+ {
+ if (clazz.isInterface())
+ {
+ return true;
+ }
+ else if (Reflections.getConstructor(clazz) == null)
+ {
+ return false;
+ }
+ else if (Reflections.isTypeOrAnyMethodFinal(clazz))
+ {
+ return false;
+ }
+ else if (Reflections.isPrimitive(clazz))
+ {
+ return false;
+ }
+ else if (Reflections.isArrayType(clazz))
+ {
+ return false;
+ }
+ else
+ {
+ return true;
+ }
+ }
+
+
+}
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