svn commit: r1428644 - in /openwebbeans/trunk/webbeans-impl/src/main/java/org/apache/webbeans/intercept: AbstractInvocationContext.java DefaultInterceptorHandler.java InterceptorInvocationContext.java

[ar...@apache.org]

Author: arne
Date: Thu Jan  3 22:25:29 2013
New Revision: 1428644

URL: http://svn.apache.org/viewvc?rev=1428644&view=rev
Log:
OWB-344: Implemented DefaultInterceptorHandler

Added:
    openwebbeans/trunk/webbeans-impl/src/main/java/org/apache/webbeans/intercept/AbstractInvocationContext.java
    openwebbeans/trunk/webbeans-impl/src/main/java/org/apache/webbeans/intercept/DefaultInterceptorHandler.java
    openwebbeans/trunk/webbeans-impl/src/main/java/org/apache/webbeans/intercept/InterceptorInvocationContext.java

Added: openwebbeans/trunk/webbeans-impl/src/main/java/org/apache/webbeans/intercept/AbstractInvocationContext.java
URL: http://svn.apache.org/viewvc/openwebbeans/trunk/webbeans-impl/src/main/java/org/apache/webbeans/intercept/AbstractInvocationContext.java?rev=1428644&view=auto
==============================================================================
--- openwebbeans/trunk/webbeans-impl/src/main/java/org/apache/webbeans/intercept/AbstractInvocationContext.java (added)
+++ openwebbeans/trunk/webbeans-impl/src/main/java/org/apache/webbeans/intercept/AbstractInvocationContext.java Thu Jan  3 22:25:29 2013
@@ -0,0 +1,94 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you 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.webbeans.intercept;
+
+import java.lang.reflect.Method;
+import java.util.HashMap;
+import java.util.Map;
+
+import javax.interceptor.InvocationContext;
+
+public abstract class AbstractInvocationContext<T> implements InvocationContext
+{
+
+    private T target;
+    private Method method;
+    private Object[] parameters;
+    private Map<String, Object> contextData;
+    private Object timer;
+
+    public AbstractInvocationContext(T target, Method method, Object[] parameters)
+    {
+        this.target = target;
+        this.method = method;
+        this.parameters = parameters;
+    }
+
+    public AbstractInvocationContext(T target, Method method, Object[] parameters, Object timer)
+    {
+        this(target, method, parameters);
+        this.timer = timer;
+    }
+    
+    @Override
+    public T getTarget()
+    {
+        return target;
+    }
+
+    @Override
+    public Method getMethod()
+    {
+        return method;
+    }
+
+    @Override
+    public Object[] getParameters()
+    {
+        return parameters;
+    }
+
+    @Override
+    public void setParameters(Object[] parameters)
+    {
+        this.parameters = parameters;
+    }
+
+    @Override
+    public Map<String, Object> getContextData()
+    {
+        if (contextData == null)
+        {
+            contextData = new HashMap<String, Object>();
+        }
+        return contextData;
+    }
+
+    @Override
+    public Object getTimer()
+    {
+        return timer;
+    }
+
+    @Override
+    public Object proceed() throws Exception
+    {
+        return method.invoke(target, parameters);
+    }
+}

Added: openwebbeans/trunk/webbeans-impl/src/main/java/org/apache/webbeans/intercept/DefaultInterceptorHandler.java
URL: http://svn.apache.org/viewvc/openwebbeans/trunk/webbeans-impl/src/main/java/org/apache/webbeans/intercept/DefaultInterceptorHandler.java?rev=1428644&view=auto
==============================================================================
--- openwebbeans/trunk/webbeans-impl/src/main/java/org/apache/webbeans/intercept/DefaultInterceptorHandler.java (added)
+++ openwebbeans/trunk/webbeans-impl/src/main/java/org/apache/webbeans/intercept/DefaultInterceptorHandler.java Thu Jan  3 22:25:29 2013
@@ -0,0 +1,64 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you 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.webbeans.intercept;
+
+import java.lang.reflect.Method;
+import java.util.List;
+import java.util.Map;
+
+import javax.enterprise.inject.spi.InterceptionType;
+import javax.enterprise.inject.spi.Interceptor;
+
+import org.apache.webbeans.proxy.InterceptorHandler;
+
+public class DefaultInterceptorHandler<T> implements InterceptorHandler
+{
+
+    private T target;
+    private List<Method> methods;
+    private Map<Method, List<Interceptor<T>>> interceptors;
+    private Map<Interceptor<T>, T> instances;
+
+    public DefaultInterceptorHandler(T target,
+                                     List<Method> methods,
+                                     Map<Method, List<Interceptor<T>>> interceptors,
+                                     Map<Interceptor<T>, T> instances)
+    {
+        this.target = target;
+        this.methods = methods;
+        this.instances = instances;
+        this.interceptors = interceptors;
+    }
+
+    public Object invoke(int index, Object[] parameters)
+    {
+        try
+        {
+            Method method = methods.get(index);
+            List<Interceptor<T>> interceptors = this.interceptors.get(method);
+            InterceptorInvocationContext<T> ctx
+                = new InterceptorInvocationContext<T>(target, InterceptionType.AROUND_INVOKE, interceptors, instances, method, parameters);
+            return ctx.proceed();
+        }
+        catch (Exception e)
+        {
+            throw new IllegalStateException(e);
+        }
+    }
+}

Added: openwebbeans/trunk/webbeans-impl/src/main/java/org/apache/webbeans/intercept/InterceptorInvocationContext.java
URL: http://svn.apache.org/viewvc/openwebbeans/trunk/webbeans-impl/src/main/java/org/apache/webbeans/intercept/InterceptorInvocationContext.java?rev=1428644&view=auto
==============================================================================
--- openwebbeans/trunk/webbeans-impl/src/main/java/org/apache/webbeans/intercept/InterceptorInvocationContext.java (added)
+++ openwebbeans/trunk/webbeans-impl/src/main/java/org/apache/webbeans/intercept/InterceptorInvocationContext.java Thu Jan  3 22:25:29 2013
@@ -0,0 +1,56 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you 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.webbeans.intercept;
+
+import java.lang.reflect.Method;
+import java.util.List;
+import java.util.Map;
+
+import javax.enterprise.inject.spi.InterceptionType;
+import javax.enterprise.inject.spi.Interceptor;
+
+public class InterceptorInvocationContext<T> extends AbstractInvocationContext<T>
+{
+
+    private InterceptionType type;
+    private List<Interceptor<T>> interceptors;
+    private Map<Interceptor<T>, T> instances;
+    private int index = 0;
+    
+    public InterceptorInvocationContext(T target, InterceptionType type, List<Interceptor<T>> interceptors, Map<Interceptor<T>, T> instances, Method method, Object[] parameters)
+    {
+        super(target, method, parameters);
+        this.interceptors = interceptors;
+        this.instances = instances;
+    }
+
+    @Override
+    public Object proceed() throws Exception
+    {
+        if (index < interceptors.size())
+        {
+            Interceptor<T> interceptor = interceptors.get(index++);
+            return interceptor.intercept(type, instances.get(interceptor), this);
+        }
+        else
+        {
+            return super.proceed();
+        }
+    }
+}