Creating Java SCA 1.x branch

git-svn-id: http://svn.us.apache.org/repos/asf/tuscany@713805 13f79535-47bb-0310-9956-ffa450edef68

6 files changed, 410 insertions, 0 deletions

diff --git a/branches/sca-java-1.x/modules/tracing-aspectj/src/main/java/org/apache/tuscany/sca/aspectj/LoggingAspect.java b/branches/sca-java-1.x/modules/tracing-aspectj/src/main/java/org/apache/tuscany/sca/aspectj/LoggingAspect.java
new file mode 100644
index 0000000000..630bcb285b
--- /dev/null
+++ b/branches/sca-java-1.x/modules/tracing-aspectj/src/main/java/org/apache/tuscany/sca/aspectj/LoggingAspect.java
@@ -0,0 +1,105 @@
+/*
+ * 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.tuscany.sca.aspectj;
+
+import java.util.Arrays;
+
+import org.aspectj.lang.JoinPoint;
+import org.aspectj.lang.ProceedingJoinPoint;
+import org.aspectj.lang.annotation.After;
+import org.aspectj.lang.annotation.AfterReturning;
+import org.aspectj.lang.annotation.AfterThrowing;
+import org.aspectj.lang.annotation.Around;
+import org.aspectj.lang.annotation.Aspect;
+import org.aspectj.lang.annotation.Before;
+import org.aspectj.lang.annotation.Pointcut;
+
+/**
+ * LoggingAspect performs standard logging of method signatures, arguments, and
+ * return values. All Tuscany methods, constructors, and statics are logged.
+ * @version $Rev$ $Date$
+ */
+@Aspect
+public class LoggingAspect {
+    @Pointcut("call(* org.apache.tuscany.sca..*(..)) && (!within(org.apache.tuscany.sca.aspectj.*Aspect))")
+    public void anyMethodCall() {
+    }
+    
+    @Pointcut("execution(* org.apache.tuscany.sca..*(..)) && (!within(org.apache.tuscany.sca.aspectj.*Aspect))")
+    public void anyMethodExecution() {
+    }
+    
+    @Pointcut("call(* java.util.logging.Logger.info(..))")
+    public void anyLogCall() {
+    }    
+    
+    @Pointcut("cflow(anyMethodExecution()) && anyLogCall()")
+    public void anyLog() {
+    }
+
+    @Pointcut("call(org.apache.tuscany.sca..*.new(..))")
+    public void anyConstructor() {
+    }
+
+    // e.g. org.apache.tuscany.sca.implementation.java.introspect.impl.JavaIntrospectionHelper
+    @Pointcut("staticinitialization(org.apache.tuscany.sca.implementation..*)")
+    public void anyStatic() {
+    }
+
+    @Before("anyMethodCall()")
+    public void before(JoinPoint jp) {
+        // System.out.println("Logging anyMethodCall before jp=" + jp);
+        // System.out.println("Logging anyMethodCall before jp.getSourceLocation=" + jp.getSourceLocation());
+        // System.out.println("Logging anyMethodCall before jp.getThis=" + jp.getThis());
+        // System.out.println("Logging anyMethodCall before jp.getTarget=" + jp.getTarget());
+        System.out.println("Logging Before anyMethodCall jp.getSignature=" + jp.getSignature());
+        java.lang.Object[] args = jp.getArgs();
+        if (( args != null ) && ( args.length > 0 )) {
+           System.out.println("Logging Before anyMethodCall jp.getArgs=" + Arrays.asList(args));
+        }
+    }
+
+    @AfterReturning(pointcut = "anyMethodCall()", returning = "result")
+    public void afterReturning(JoinPoint jp, Object result) {
+        // Note that result is null for methods with void return.
+        System.out.println("Logging AfterReturning anyMethodCall jp=" + jp + ", result=" + result);
+    }
+
+    @AfterThrowing(pointcut = "anyMethodCall()", throwing = "t")
+    public void afterThrowing(JoinPoint jp, Throwable t) {
+        System.out.println("Logging AfterThrowing anyMethodCall jp=" + jp + ", t=" + t);
+    }
+
+    @Before("anyConstructor()")
+    public void beforeConstructor(JoinPoint jp) {
+        System.out.println("Logging Before anyConstructor jp.getSignature=" + jp.getSignature());
+        java.lang.Object[] args = jp.getArgs();
+        if (( args != null ) && ( args.length > 0 )) {
+           System.out.println("Logging Before anyConstructor jp.getArgs=" + Arrays.asList(args));
+        }
+    }
+
+    @Before("anyStatic()")
+    public void beforeStatic(JoinPoint jp) {
+        System.out.println("Logging Before anyStatic before jp=" + jp);
+        System.out.println("Logging anyMethodCall before jp.getSourceLocation=" + jp.getSourceLocation());
+    }
+
+}
diff --git a/branches/sca-java-1.x/modules/tracing-aspectj/src/main/java/org/apache/tuscany/sca/aspectj/SimpleTracingAspect.java b/branches/sca-java-1.x/modules/tracing-aspectj/src/main/java/org/apache/tuscany/sca/aspectj/SimpleTracingAspect.java
new file mode 100644
index 0000000000..965cfa5b5d
--- /dev/null
+++ b/branches/sca-java-1.x/modules/tracing-aspectj/src/main/java/org/apache/tuscany/sca/aspectj/SimpleTracingAspect.java
@@ -0,0 +1,87 @@
+/*
+ * 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.tuscany.sca.aspectj;
+
+import java.util.Arrays;
+
+import org.aspectj.lang.JoinPoint;
+import org.aspectj.lang.annotation.Aspect;
+import org.aspectj.lang.annotation.Pointcut;
+
+/**
+ * SimpleTraceAspect performs tracing of method signatures, arguments, and
+ * return values. All Tuscany methods, constructors, and statics are traced.
+ * 
+ * @version $Rev$ $Date$
+ */
+@Aspect
+public class SimpleTracingAspect extends TracingAspect {
+
+    @Pointcut("execution(public * org.apache.tuscany.sca..*.*(..))")
+    // @Pointcut("call(* org.apache.tuscany.sca..*(..))")
+    protected void entry() {
+    }
+
+    @Pointcut("within(org.apache.tuscany.sca..*) && !within(org.apache.tuscany.sca.aspectj..*Aspect)")
+    protected void withinScope() {
+    }
+
+    @Override
+    protected void startLog() {
+        System.out.println(">>> ----------------------------------------------------");
+    }
+
+    @Override
+    protected void completeLog() {
+        System.out.println("<<< ----------------------------------------------------");
+    }
+
+    @Override
+    protected void logEnter(JoinPoint jp) {
+        System.out.println("> logEnter jp.getSignature=" + jp.getSignature());
+        java.lang.Object[] args = jp.getArgs();
+        if (( args != null ) && ( args.length > 0 )) {
+       	// See http://www.eclipse.org/aspectj/doc/released/progguide/pitfalls-infiniteLoops.html
+           // System.out.println("Logging anyMethodCall before jp.getArgs=" + Arrays.asList(args));
+           System.out.print("  logEnter jp.getArgs(" + args.length + ")=[" );
+           for ( int i = 0; i < args.length; i++ ){
+        	  if ( i > 0 ) System.out.print( ",");
+        	  System.out.print( args[ i ]);
+           }
+           System.out.println("]" );
+        }
+    }
+
+    @Override
+    protected void logExit(JoinPoint jp, Object result) {
+        // Note that result is null for methods with void return.
+        System.out.println("< logExit jp.getSignature=" + jp.getSignature() +", result=" + result );        
+    }
+
+    @Override
+    protected void logThrowable(JoinPoint jp, Throwable throwable) {
+    	while ( throwable.getCause() != null )
+    		throwable = throwable.getCause();
+        System.out.println("! logThrowable jp.getSignature=" + jp.getSignature() + ", throwable=" + throwable);
+        // System.out.println("! logThowable stackTrace=" ); 
+        // throwable.printStackTrace( System.out );
+    }
+
+}
diff --git a/branches/sca-java-1.x/modules/tracing-aspectj/src/main/java/org/apache/tuscany/sca/aspectj/TimingAspect.java b/branches/sca-java-1.x/modules/tracing-aspectj/src/main/java/org/apache/tuscany/sca/aspectj/TimingAspect.java
new file mode 100644
index 0000000000..262742e867
--- /dev/null
+++ b/branches/sca-java-1.x/modules/tracing-aspectj/src/main/java/org/apache/tuscany/sca/aspectj/TimingAspect.java
@@ -0,0 +1,60 @@
+/*
+ * 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.tuscany.sca.aspectj;
+
+import java.util.Arrays;
+
+import org.aspectj.lang.JoinPoint;
+import org.aspectj.lang.ProceedingJoinPoint;
+import org.aspectj.lang.annotation.After;
+import org.aspectj.lang.annotation.AfterReturning;
+import org.aspectj.lang.annotation.AfterThrowing;
+import org.aspectj.lang.annotation.Around;
+import org.aspectj.lang.annotation.Aspect;
+import org.aspectj.lang.annotation.Before;
+import org.aspectj.lang.annotation.Pointcut;
+
+/**
+ * The TimingAspect is used to perform timing metrics on various calls.
+ * The Pointcut "timedCall" is not defined here, but rather in the aop.xml
+ * configuration file. You may provide a point cut to state which type
+ * of call you would like timed and reported in the output files.
+ * 
+ * @version $Rev$ $Date$
+ */
+@Aspect
+public abstract class TimingAspect {
+	// Abstract pointcut. Pointcut is defined in aop.xml file.
+    @Pointcut
+    public void timedCall() {
+    }    
+    	    
+    @Around("timedCall()")
+    public Object timedSection(ProceedingJoinPoint jp) throws Throwable {
+        System.out.println("Timing Around timedSection jp=" + jp);
+        long start = System.currentTimeMillis();
+        try {
+            return jp.proceed();
+        } finally {
+            long end = System.currentTimeMillis();
+            System.out.println("Timing Around timedSection Roundtrip is " + (end - start) + "ms for jp.getSignature=" + jp.getSignature());
+        }
+    }
+}
diff --git a/branches/sca-java-1.x/modules/tracing-aspectj/src/main/java/org/apache/tuscany/sca/aspectj/TracingAspect.java b/branches/sca-java-1.x/modules/tracing-aspectj/src/main/java/org/apache/tuscany/sca/aspectj/TracingAspect.java
new file mode 100644
index 0000000000..0178ebdb6e
--- /dev/null
+++ b/branches/sca-java-1.x/modules/tracing-aspectj/src/main/java/org/apache/tuscany/sca/aspectj/TracingAspect.java
@@ -0,0 +1,92 @@
+/*
+ * 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.tuscany.sca.aspectj;
+
+import org.aspectj.lang.JoinPoint;
+import org.aspectj.lang.annotation.After;
+import org.aspectj.lang.annotation.AfterReturning;
+import org.aspectj.lang.annotation.AfterThrowing;
+import org.aspectj.lang.annotation.Aspect;
+import org.aspectj.lang.annotation.Before;
+import org.aspectj.lang.annotation.Pointcut;
+
+/**
+ * @version $Rev$ $Date$
+ */
+
+@Aspect
+public abstract class TracingAspect {
+
+    @Pointcut("")
+    protected abstract void entry();
+
+    @Pointcut("")
+    protected abstract void withinScope();
+
+    @Pointcut("call(* java..*.*(..))")
+    protected void exit() {
+    }
+
+    @Pointcut("entry() && !cflowbelow(entry())")
+    void start() {
+    }
+
+    // @Pointcut("withinScope() && cflow(entry()) && !cflow(exit()) && !within(org.apache.tuscany.sca.aspectj.*Aspect) && !within(*.toString)")
+    @Pointcut("withinScope() && entry()")
+    // @Pointcut("withinScope() && entry()&& !cflow(execution(String toString())")
+    void trace() {
+    }
+
+    @Pointcut("!handler(*) && !preinitialization(new(..))")
+    protected void supportsAfterAdvice() {
+    }
+
+    @Before("start()")
+    public void beforeStart() {
+        startLog();
+    }
+
+    @Before("trace() && supportsAfterAdvice()")
+    public void beforeTrace(JoinPoint jp) {
+        logEnter(jp);
+    }
+   
+    @AfterReturning(pointcut = "trace() && supportsAfterAdvice()", returning = "result")
+    public void afterReturning(JoinPoint jp, Object result) {
+        logExit(jp, result);
+    }
+
+    @AfterThrowing(pointcut = "trace() && supportsAfterAdvice()", throwing = "e")
+    public void afterThrowing(JoinPoint jp, Throwable e) {
+        logThrowable(jp, e);
+    }
+
+    @After("start()")
+    public void afterStart() {
+        completeLog();
+    }
+
+    protected abstract void logEnter(JoinPoint jp);
+    protected abstract void logExit(JoinPoint jp, Object result);
+    protected abstract void logThrowable(JoinPoint jp, Throwable throwable);
+
+    protected abstract void startLog();
+    protected abstract void completeLog();
+}
diff --git a/branches/sca-java-1.x/modules/tracing-aspectj/src/main/resources/META-INF/aop.xml b/branches/sca-java-1.x/modules/tracing-aspectj/src/main/resources/META-INF/aop.xml
new file mode 100644
index 0000000000..f699a140e3
--- /dev/null
+++ b/branches/sca-java-1.x/modules/tracing-aspectj/src/main/resources/META-INF/aop.xml
@@ -0,0 +1,25 @@
+<aspectj>
+
+    <aspects>
+        <!-- Uncomment either of these two aspects to perform standard logging -->
+        <!-- or standard tracing on the Tuscany runtime.                       -->
+        <!-- <aspect name="org.apache.tuscany.sca.aspectj.SimpleTracingAspect" /> -->   
+        <!-- <aspect name="org.apache.tuscany.sca.aspectj.LoggingAspect" /> --> 
+        
+        <!-- Following is a concrete-aspect that defines the point cut for   -->
+        <!-- the TimingAspect. Which ever calls you define in this pointcut  -->
+        <!-- will be timed and displayed in the logs.                        -->
+        <concrete-aspect name="org.apache.tuscany.sca.aspectj.UserTimingAspect"
+           extends="org.apache.tuscany.sca.aspectj.TimingAspect"
+           precedence="org.apache.tuscany.sca.aspectj.UserTimingAspect, *">
+           <pointcut name="timedCall" 
+              expression="call(* java.util.logging.Logger.info(..))"/>
+        </concrete-aspect>
+    </aspects>
+  
+    <!--weaver options="-verbose -debug -showWeaveInfo"-->
+    <weaver options="-verbose">
+        <include within="org.apache.tuscany.sca..*" />
+    </weaver>
+
+</aspectj>
diff --git a/branches/sca-java-1.x/modules/tracing-aspectj/src/test/java/org/apache/tuscany/sca/aspectj/TracingTestCase.java b/branches/sca-java-1.x/modules/tracing-aspectj/src/test/java/org/apache/tuscany/sca/aspectj/TracingTestCase.java
new file mode 100644
index 0000000000..7b76faaf36
--- /dev/null
+++ b/branches/sca-java-1.x/modules/tracing-aspectj/src/test/java/org/apache/tuscany/sca/aspectj/TracingTestCase.java
@@ -0,0 +1,41 @@
+/*
+ * 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.tuscany.sca.aspectj;
+
+import java.util.logging.Logger;
+
+import org.junit.Test;
+
+/**
+ * @version $Rev$ $Date$
+ */
+public class TracingTestCase  {
+
+    @Test
+    public void testAOP() {
+        Logger log = Logger.getLogger(getClass().getName());
+        System.out.println("doSomething()");
+        log.info("Hello, Log");
+    }
+
+    public static void main(String[] args) {
+        new TracingTestCase().testAOP();
+    }
+}