diff options
Diffstat (limited to 'sca-java-1.x/tags/java-stable-20060304/sca/core/src/main/java/org/apache/tuscany/core/invocation/jdk/JDKProxyFactory.java')
-rw-r--r-- | sca-java-1.x/tags/java-stable-20060304/sca/core/src/main/java/org/apache/tuscany/core/invocation/jdk/JDKProxyFactory.java | 96 |
1 files changed, 96 insertions, 0 deletions
diff --git a/sca-java-1.x/tags/java-stable-20060304/sca/core/src/main/java/org/apache/tuscany/core/invocation/jdk/JDKProxyFactory.java b/sca-java-1.x/tags/java-stable-20060304/sca/core/src/main/java/org/apache/tuscany/core/invocation/jdk/JDKProxyFactory.java new file mode 100644 index 0000000000..75137ffa36 --- /dev/null +++ b/sca-java-1.x/tags/java-stable-20060304/sca/core/src/main/java/org/apache/tuscany/core/invocation/jdk/JDKProxyFactory.java @@ -0,0 +1,96 @@ +/** + * + * Copyright 2005 The Apache Software Foundation or its licensors, as applicable. + * + * 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.apache.tuscany.core.invocation.jdk; + +import java.lang.reflect.InvocationHandler; +import java.lang.reflect.Method; +import java.lang.reflect.Proxy; +import java.util.Map; + +import org.apache.tuscany.core.invocation.InvocationConfiguration; +import org.apache.tuscany.core.invocation.MethodHashMap; +import org.apache.tuscany.core.invocation.ProxyConfiguration; +import org.apache.tuscany.core.invocation.spi.ProxyFactory; +import org.apache.tuscany.core.invocation.spi.ProxyInitializationException; + +/** + * Creates proxies for handling invocations using JDK dynamic proxies + * + * @version $Rev$ $Date$ + */ +public class JDKProxyFactory implements ProxyFactory { + + private static final int UNINITIALIZED = 0; + + private static final int INITIALIZED = 1; + + private static final int ERROR = -1; + + private int state = UNINITIALIZED; + + private Class[] businessInterfaceArray; + + private Map<Method, InvocationConfiguration> methodToInvocationConfig; + + private ProxyConfiguration configuration; + + public void initialize() throws ProxyInitializationException { + if (state != UNINITIALIZED) { + throw new IllegalStateException("Proxy factory in wrong state [" + state + "]"); + } + Map<Method, InvocationConfiguration> invocationConfigs = configuration.getInvocationConfigurations(); + methodToInvocationConfig = new MethodHashMap(invocationConfigs.size()); + for (Map.Entry entry : invocationConfigs.entrySet()) { + Method method = (Method) entry.getKey(); + methodToInvocationConfig.put(method, (InvocationConfiguration) entry.getValue()); + } + state = INITIALIZED; + } + + public Object createProxy() { + if (state != INITIALIZED) { + throw new IllegalStateException("Proxy factory not INITIALIZED [" + state + "]"); + } + InvocationHandler handler = new JDKInvocationHandler(configuration.getMessageFactory(), methodToInvocationConfig); + return Proxy.newProxyInstance(configuration.getProxyClassLoader(), businessInterfaceArray, handler); + } + + public ProxyConfiguration getProxyConfiguration() { + return configuration; + } + + public void setProxyConfiguration(ProxyConfiguration config) { + configuration = config; + } + + public void setBusinessInterface(Class interfaze) { + businessInterfaceArray = new Class[] { interfaze }; + } + + public Class getBusinessInterface() { + return businessInterfaceArray[0]; + } + + public void addInterface(Class claz) { + throw new UnsupportedOperationException("Additional proxy interfaces not yet supported"); + } + + public Class[] getImplementatedInterfaces() { + return businessInterfaceArray; + } + +} |