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Posted to dev@commons.apache.org by jc...@apache.org on 2005/08/23 05:02:05 UTC
svn commit: r239304 - in /jakarta/commons/sandbox/proxy/trunk/src:
java/org/apache/commons/proxy/interceptor/
java/org/apache/commons/proxy/interceptor/filter/
test/org/apache/commons/proxy/interceptor/
test/org/apache/commons/proxy/interceptor/filter/
Author: jcarman
Date: Mon Aug 22 20:02:01 2005
New Revision: 239304
URL: http://svn.apache.org/viewcvs?rev=239304&view=rev
Log:
Adding FilteredMethodInterceptor
Added:
jakarta/commons/sandbox/proxy/trunk/src/java/org/apache/commons/proxy/interceptor/FilteredMethodInterceptor.java
jakarta/commons/sandbox/proxy/trunk/src/java/org/apache/commons/proxy/interceptor/MethodFilter.java
jakarta/commons/sandbox/proxy/trunk/src/java/org/apache/commons/proxy/interceptor/filter/SimpleMethodFilter.java
jakarta/commons/sandbox/proxy/trunk/src/test/org/apache/commons/proxy/interceptor/TestFilteredMethodInterceptor.java
jakarta/commons/sandbox/proxy/trunk/src/test/org/apache/commons/proxy/interceptor/filter/TestSimpleMethodFilter.java
Added: jakarta/commons/sandbox/proxy/trunk/src/java/org/apache/commons/proxy/interceptor/FilteredMethodInterceptor.java
URL: http://svn.apache.org/viewcvs/jakarta/commons/sandbox/proxy/trunk/src/java/org/apache/commons/proxy/interceptor/FilteredMethodInterceptor.java?rev=239304&view=auto
==============================================================================
--- jakarta/commons/sandbox/proxy/trunk/src/java/org/apache/commons/proxy/interceptor/FilteredMethodInterceptor.java (added)
+++ jakarta/commons/sandbox/proxy/trunk/src/java/org/apache/commons/proxy/interceptor/FilteredMethodInterceptor.java Mon Aug 22 20:02:01 2005
@@ -0,0 +1,50 @@
+/*
+ * Copyright 2005 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 org.apache.commons.proxy.interceptor;
+
+import org.aopalliance.intercept.MethodInterceptor;
+import org.aopalliance.intercept.MethodInvocation;
+
+/**
+ * Decorates another <code>MethodInterceptor</code> by only calling it if the
+ * method is accepted by the supplied <code>MethodFilter</code>.
+ *
+ * @author James Carman
+ * @version 1.0
+ */
+public class FilteredMethodInterceptor implements MethodInterceptor
+{
+ private final MethodInterceptor inner;
+ private final MethodFilter filter;
+
+ public FilteredMethodInterceptor( MethodInterceptor inner, MethodFilter filter )
+ {
+ this.inner = inner;
+ this.filter = filter;
+ }
+
+ public Object invoke( MethodInvocation methodInvocation ) throws Throwable
+ {
+ if( filter.accepts( methodInvocation.getMethod() ) )
+ {
+ return inner.invoke( methodInvocation );
+ }
+ else
+ {
+ return methodInvocation.proceed();
+ }
+ }
+}
Added: jakarta/commons/sandbox/proxy/trunk/src/java/org/apache/commons/proxy/interceptor/MethodFilter.java
URL: http://svn.apache.org/viewcvs/jakarta/commons/sandbox/proxy/trunk/src/java/org/apache/commons/proxy/interceptor/MethodFilter.java?rev=239304&view=auto
==============================================================================
--- jakarta/commons/sandbox/proxy/trunk/src/java/org/apache/commons/proxy/interceptor/MethodFilter.java (added)
+++ jakarta/commons/sandbox/proxy/trunk/src/java/org/apache/commons/proxy/interceptor/MethodFilter.java Mon Aug 22 20:02:01 2005
@@ -0,0 +1,27 @@
+/*
+ * Copyright 2005 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 org.apache.commons.proxy.interceptor;
+
+import java.lang.reflect.Method;
+
+/**
+ * @author James Carman
+ * @version 1.0
+ */
+public interface MethodFilter
+{
+ public boolean accepts( Method method );
+}
Added: jakarta/commons/sandbox/proxy/trunk/src/java/org/apache/commons/proxy/interceptor/filter/SimpleMethodFilter.java
URL: http://svn.apache.org/viewcvs/jakarta/commons/sandbox/proxy/trunk/src/java/org/apache/commons/proxy/interceptor/filter/SimpleMethodFilter.java?rev=239304&view=auto
==============================================================================
--- jakarta/commons/sandbox/proxy/trunk/src/java/org/apache/commons/proxy/interceptor/filter/SimpleMethodFilter.java (added)
+++ jakarta/commons/sandbox/proxy/trunk/src/java/org/apache/commons/proxy/interceptor/filter/SimpleMethodFilter.java Mon Aug 22 20:02:01 2005
@@ -0,0 +1,42 @@
+/*
+ * Copyright 2005 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 org.apache.commons.proxy.interceptor.filter;
+
+import org.apache.commons.proxy.interceptor.MethodFilter;
+
+import java.lang.reflect.Method;
+import java.util.Arrays;
+import java.util.HashSet;
+import java.util.Set;
+
+/**
+ * @author James Carman
+ * @version 1.0
+ */
+public class SimpleMethodFilter implements MethodFilter
+{
+ private final Set<String> methodNames;
+
+ public SimpleMethodFilter( String... methodNames )
+ {
+ this.methodNames = new HashSet<String>( Arrays.asList( methodNames ) );
+ }
+
+ public boolean accepts( Method method )
+ {
+ return methodNames.contains( method.getName() );
+ }
+}
Added: jakarta/commons/sandbox/proxy/trunk/src/test/org/apache/commons/proxy/interceptor/TestFilteredMethodInterceptor.java
URL: http://svn.apache.org/viewcvs/jakarta/commons/sandbox/proxy/trunk/src/test/org/apache/commons/proxy/interceptor/TestFilteredMethodInterceptor.java?rev=239304&view=auto
==============================================================================
--- jakarta/commons/sandbox/proxy/trunk/src/test/org/apache/commons/proxy/interceptor/TestFilteredMethodInterceptor.java (added)
+++ jakarta/commons/sandbox/proxy/trunk/src/test/org/apache/commons/proxy/interceptor/TestFilteredMethodInterceptor.java Mon Aug 22 20:02:01 2005
@@ -0,0 +1,42 @@
+/*
+ * Copyright 2005 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 org.apache.commons.proxy.interceptor;
+
+import org.apache.commons.proxy.util.Echo;
+import org.apache.commons.proxy.util.EchoImpl;
+import org.apache.commons.proxy.util.SuffixMethodInterceptor;
+import org.apache.commons.proxy.factory.cglib.CglibProxyFactory;
+import org.apache.commons.proxy.interceptor.filter.SimpleMethodFilter;
+import junit.framework.TestCase;
+
+/**
+ * @author James Carman
+ * @version 1.0
+ */
+public class TestFilteredMethodInterceptor extends TestCase
+{
+ public void testFilterAccepts()
+ {
+ Echo echo = ( Echo ) new MethodInterceptorChain( new FilteredMethodInterceptor( new SuffixMethodInterceptor( "a" ), new SimpleMethodFilter( "echoBack" ) ) ).createProxyProvider( new CglibProxyFactory(), new EchoImpl() ).getObject();
+ assertEquals( "messagea", echo.echoBack( "message" ) );
+ }
+
+ public void testFilterDenies()
+ {
+ Echo echo = ( Echo ) new MethodInterceptorChain( new FilteredMethodInterceptor( new SuffixMethodInterceptor( "a" ), new SimpleMethodFilter() ) ).createProxyProvider( new CglibProxyFactory(), new EchoImpl() ).getObject();
+ assertEquals( "message", echo.echoBack( "message" ) );
+ }
+}
Added: jakarta/commons/sandbox/proxy/trunk/src/test/org/apache/commons/proxy/interceptor/filter/TestSimpleMethodFilter.java
URL: http://svn.apache.org/viewcvs/jakarta/commons/sandbox/proxy/trunk/src/test/org/apache/commons/proxy/interceptor/filter/TestSimpleMethodFilter.java?rev=239304&view=auto
==============================================================================
--- jakarta/commons/sandbox/proxy/trunk/src/test/org/apache/commons/proxy/interceptor/filter/TestSimpleMethodFilter.java (added)
+++ jakarta/commons/sandbox/proxy/trunk/src/test/org/apache/commons/proxy/interceptor/filter/TestSimpleMethodFilter.java Mon Aug 22 20:02:01 2005
@@ -0,0 +1,35 @@
+/*
+ * Copyright 2005 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 org.apache.commons.proxy.interceptor.filter;
+
+import junit.framework.TestCase;
+import org.apache.commons.proxy.util.Echo;
+import org.apache.commons.proxy.util.EchoImpl;
+
+/**
+ * @author James Carman
+ * @version 1.0
+ */
+public class TestSimpleMethodFilter extends TestCase
+{
+ public void testAccepts() throws Exception
+ {
+ final SimpleMethodFilter filter = new SimpleMethodFilter( "echoBack" );
+ assertTrue( filter.accepts( Echo.class.getMethod( "echoBack", String.class ) ) );
+ assertFalse( filter.accepts( EchoImpl.class.getMethod( "hashCode" ) ) );
+ }
+
+}
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