You are viewing a plain text version of this content. The canonical link for it is here.
Posted to commits@tomee.apache.org by db...@apache.org on 2008/09/25 07:28:10 UTC

svn commit: r698830 - in /openejb/trunk/openejb3: container/openejb-core/ container/openejb-core/src/main/java/org/apache/openejb/ container/openejb-core/src/main/java/org/apache/openejb/assembler/classic/ container/openejb-core/src/main/java/org/apach...

Author: dblevins
Date: Wed Sep 24 22:28:09 2008
New Revision: 698830

URL: http://svn.apache.org/viewvc?rev=698830&view=rev
Log:
OPENEJB-892: Remove ASM dependency
Added an alternate xbean ParameterNameLoader that uses our repackaged asm

Added:
    openejb/trunk/openejb3/container/openejb-core/src/main/java/org/apache/openejb/util/AsmParameterNameLoader.java
Modified:
    openejb/trunk/openejb3/container/openejb-core/pom.xml
    openejb/trunk/openejb3/container/openejb-core/src/main/java/org/apache/openejb/InjectionProcessor.java
    openejb/trunk/openejb3/container/openejb-core/src/main/java/org/apache/openejb/assembler/classic/Assembler.java
    openejb/trunk/openejb3/examples/jpa-hibernate/pom.xml

Modified: openejb/trunk/openejb3/container/openejb-core/pom.xml
URL: http://svn.apache.org/viewvc/openejb/trunk/openejb3/container/openejb-core/pom.xml?rev=698830&r1=698829&r2=698830&view=diff
==============================================================================
--- openejb/trunk/openejb3/container/openejb-core/pom.xml (original)
+++ openejb/trunk/openejb3/container/openejb-core/pom.xml Wed Sep 24 22:28:09 2008
@@ -315,16 +315,6 @@
       <artifactId>xbean-reflect</artifactId>
     </dependency>
     <dependency>
-      <groupId>asm</groupId>
-      <artifactId>asm</artifactId>
-      <version>2.2.3</version>
-    </dependency>
-    <dependency>
-      <groupId>asm</groupId>
-      <artifactId>asm-commons</artifactId>
-      <version>2.2.3</version>
-    </dependency>
-    <dependency>
       <groupId>org.apache.openejb</groupId>
       <artifactId>asm-finder</artifactId>
     </dependency>

Modified: openejb/trunk/openejb3/container/openejb-core/src/main/java/org/apache/openejb/InjectionProcessor.java
URL: http://svn.apache.org/viewvc/openejb/trunk/openejb3/container/openejb-core/src/main/java/org/apache/openejb/InjectionProcessor.java?rev=698830&r1=698829&r2=698830&view=diff
==============================================================================
--- openejb/trunk/openejb3/container/openejb-core/src/main/java/org/apache/openejb/InjectionProcessor.java (original)
+++ openejb/trunk/openejb3/container/openejb-core/src/main/java/org/apache/openejb/InjectionProcessor.java Wed Sep 24 22:28:09 2008
@@ -19,6 +19,7 @@
 
 import org.apache.openejb.util.LogCategory;
 import org.apache.openejb.util.Logger;
+import org.apache.openejb.util.AsmParameterNameLoader;
 import org.apache.xbean.recipe.ObjectRecipe;
 import org.apache.xbean.recipe.Option;
 
@@ -32,6 +33,11 @@
 import java.lang.reflect.InvocationTargetException;
 
 public class InjectionProcessor<T> {
+
+    static {
+        AsmParameterNameLoader.install();
+    }
+    
     private static final Logger logger = Logger.getInstance(LogCategory.OPENEJB, InjectionProcessor.class);
     private final Class<? extends T> beanClass;
     private final List<Injection> injections;

Modified: openejb/trunk/openejb3/container/openejb-core/src/main/java/org/apache/openejb/assembler/classic/Assembler.java
URL: http://svn.apache.org/viewvc/openejb/trunk/openejb3/container/openejb-core/src/main/java/org/apache/openejb/assembler/classic/Assembler.java?rev=698830&r1=698829&r2=698830&view=diff
==============================================================================
--- openejb/trunk/openejb3/container/openejb-core/src/main/java/org/apache/openejb/assembler/classic/Assembler.java (original)
+++ openejb/trunk/openejb3/container/openejb-core/src/main/java/org/apache/openejb/assembler/classic/Assembler.java Wed Sep 24 22:28:09 2008
@@ -97,6 +97,7 @@
 import org.apache.openejb.util.OpenEJBErrorHandler;
 import org.apache.openejb.util.SafeToolkit;
 import org.apache.openejb.util.References;
+import org.apache.openejb.util.AsmParameterNameLoader;
 import org.apache.openejb.util.proxy.ProxyFactory;
 import org.apache.openejb.util.proxy.ProxyManager;
 import org.apache.xbean.recipe.ObjectRecipe;
@@ -105,6 +106,10 @@
 
 public class Assembler extends AssemblerTool implements org.apache.openejb.spi.Assembler {
 
+    static {
+        AsmParameterNameLoader.install();
+    }
+
     public static final String JAVA_OPENEJB_NAMING_CONTEXT = "java:openejb/";
 
     public static final String PERSISTENCE_UNIT_NAMING_CONTEXT = "java:openejb/PersistenceUnit/";

Added: openejb/trunk/openejb3/container/openejb-core/src/main/java/org/apache/openejb/util/AsmParameterNameLoader.java
URL: http://svn.apache.org/viewvc/openejb/trunk/openejb3/container/openejb-core/src/main/java/org/apache/openejb/util/AsmParameterNameLoader.java?rev=698830&view=auto
==============================================================================
--- openejb/trunk/openejb3/container/openejb-core/src/main/java/org/apache/openejb/util/AsmParameterNameLoader.java (added)
+++ openejb/trunk/openejb3/container/openejb-core/src/main/java/org/apache/openejb/util/AsmParameterNameLoader.java Wed Sep 24 22:28:09 2008
@@ -0,0 +1,331 @@
+/**
+ * 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.openejb.util;
+
+import org.apache.openejb.asm.ClassReader;
+import org.apache.openejb.asm.Label;
+import org.apache.openejb.asm.MethodVisitor;
+import org.apache.openejb.asm.Type;
+import org.apache.openejb.asm.commons.EmptyVisitor;
+import org.apache.xbean.recipe.ParameterNameLoader;
+
+import java.io.IOException;
+import java.io.InputStream;
+import java.lang.reflect.Constructor;
+import java.lang.reflect.Method;
+import java.lang.reflect.Modifier;
+import java.lang.reflect.Field;
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.Collections;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+import java.util.WeakHashMap;
+import java.security.AccessController;
+import java.security.PrivilegedAction;
+
+
+/**
+ * Implementation of ParameterNameLoader that uses ASM to read the parameter names from the local variable table in the
+ * class byte code.
+ * <p/>
+ * This wonderful piece of code was taken from org.springframework.core.LocalVariableTableParameterNameDiscover
+ */
+public class AsmParameterNameLoader implements ParameterNameLoader {
+
+    public static void install(){
+        AccessController.doPrivileged(new PrivilegedAction() {
+            public Object run() {
+                try {
+                    Field field = org.apache.xbean.recipe.ReflectionUtil.class.getDeclaredField("parameterNamesLoader");
+                    field.setAccessible(true);
+                    field.set(null, new AsmParameterNameLoader());
+//                    if (field.get(null) == null){
+//                    }
+                } catch (Exception e) {
+                    e.printStackTrace();
+                }
+                return null;
+            }
+        });
+    }
+
+    /**
+     * Weak map from Constructor to List&lt;String&gt;.
+     */
+    private final WeakHashMap<Constructor, List<String>> constructorCache = new WeakHashMap<Constructor, List<String>>();
+
+    /**
+     * Weak map from Method to List&lt;String&gt;.
+     */
+    private final WeakHashMap<Method, List<String>> methodCache = new WeakHashMap<Method, List<String>>();
+
+    /**
+     * Gets the parameter names of the specified method or null if the class was compiled without debug symbols on.
+     *
+     * @param method the method for which the parameter names should be retrieved
+     * @return the parameter names or null if the class was compilesd without debug symbols on
+     */
+    public List<String> get(Method method) {
+        // check the cache
+        if (methodCache.containsKey(method)) {
+            return methodCache.get(method);
+        }
+
+        Map<Method, List<String>> allMethodParameters = getAllMethodParameters(method.getDeclaringClass(), method.getName());
+        return allMethodParameters.get(method);
+    }
+
+    /**
+     * Gets the parameter names of the specified constructor or null if the class was compiled without debug symbols on.
+     *
+     * @param constructor the constructor for which the parameters should be retrieved
+     * @return the parameter names or null if the class was compiled without debug symbols on
+     */
+    public List<String> get(Constructor constructor) {
+        // check the cache
+        if (constructorCache.containsKey(constructor)) {
+            return constructorCache.get(constructor);
+        }
+
+        Map<Constructor, List<String>> allConstructorParameters = getAllConstructorParameters(constructor.getDeclaringClass());
+        return allConstructorParameters.get(constructor);
+    }
+
+    /**
+     * Gets the parameter names of all constructoror null if the class was compiled without debug symbols on.
+     *
+     * @param clazz the class for which the constructor parameter names should be retrieved
+     * @return a map from Constructor object to the parameter names or null if the class was compiled without debug symbols on
+     */
+    public Map<Constructor, List<String>> getAllConstructorParameters(Class clazz) {
+        // Determine the constructors?
+        List<Constructor> constructors = new ArrayList<Constructor>(Arrays.asList(clazz.getConstructors()));
+        constructors.addAll(Arrays.asList(clazz.getDeclaredConstructors()));
+        if (constructors.isEmpty()) {
+            return Collections.emptyMap();
+        }
+
+        // Check the cache
+        if (constructorCache.containsKey(constructors.get(0))) {
+            Map<Constructor, List<String>> constructorParameters = new HashMap<Constructor, List<String>>();
+            for (Constructor constructor : constructors) {
+                constructorParameters.put(constructor, constructorCache.get(constructor));
+            }
+            return constructorParameters;
+        }
+
+        // Load the parameter names using ASM
+        Map<Constructor, List<String>> constructorParameters = new HashMap<Constructor, List<String>>();
+        try {
+            ClassReader reader = AsmParameterNameLoader.createClassReader(clazz);
+
+            AsmParameterNameLoader.AllParameterNamesDiscoveringVisitor visitor = new AsmParameterNameLoader.AllParameterNamesDiscoveringVisitor(clazz);
+            reader.accept(visitor, 0);
+
+            Map exceptions = visitor.getExceptions();
+            if (exceptions.size() == 1) {
+                throw new RuntimeException((Exception) exceptions.values().iterator().next());
+            }
+            if (!exceptions.isEmpty()) {
+                throw new RuntimeException(exceptions.toString());
+            }
+
+            constructorParameters = visitor.getConstructorParameters();
+        } catch (IOException ex) {
+        }
+
+        // Cache the names
+        for (Constructor constructor : constructors) {
+            constructorCache.put(constructor, constructorParameters.get(constructor));
+        }
+        return constructorParameters;
+    }
+
+    /**
+     * Gets the parameter names of all methods with the specified name or null if the class was compiled without debug symbols on.
+     *
+     * @param clazz      the class for which the method parameter names should be retrieved
+     * @param methodName the of the method for which the parameters should be retrieved
+     * @return a map from Method object to the parameter names or null if the class was compiled without debug symbols on
+     */
+    public Map<Method, List<String>> getAllMethodParameters(Class clazz, String methodName) {
+        // Determine the constructors?
+        Method[] methods = getMethods(clazz, methodName);
+        if (methods.length == 0) {
+            return Collections.emptyMap();
+        }
+
+        // Check the cache
+        if (methodCache.containsKey(methods[0])) {
+            Map<Method, List<String>> methodParameters = new HashMap<Method, List<String>>();
+            for (Method method : methods) {
+                methodParameters.put(method, methodCache.get(method));
+            }
+            return methodParameters;
+        }
+
+        // Load the parameter names using ASM
+        Map<Method, List<String>>  methodParameters = new HashMap<Method, List<String>>();
+        try {
+            ClassReader reader = AsmParameterNameLoader.createClassReader(clazz);
+
+            AsmParameterNameLoader.AllParameterNamesDiscoveringVisitor visitor = new AsmParameterNameLoader.AllParameterNamesDiscoveringVisitor(clazz, methodName);
+            reader.accept(visitor, 0);
+
+            Map exceptions = visitor.getExceptions();
+            if (exceptions.size() == 1) {
+                throw new RuntimeException((Exception) exceptions.values().iterator().next());
+            }
+            if (!exceptions.isEmpty()) {
+                throw new RuntimeException(exceptions.toString());
+            }
+
+            methodParameters = visitor.getMethodParameters();
+        } catch (IOException ex) {
+        }
+
+        // Cache the names
+        for (Method method : methods) {
+            methodCache.put(method, methodParameters.get(method));
+        }
+        return methodParameters;
+    }
+
+    private Method[] getMethods(Class clazz, String methodName) {
+        List<Method> methods = new ArrayList<Method>(Arrays.asList(clazz.getMethods()));
+        methods.addAll(Arrays.asList(clazz.getDeclaredMethods()));
+        List<Method> matchingMethod = new ArrayList<Method>(methods.size());
+        for (Method method : methods) {
+            if (method.getName().equals(methodName)) {
+                matchingMethod.add(method);
+            }
+        }
+        return matchingMethod.toArray(new Method[matchingMethod.size()]);
+    }
+
+    private static ClassReader createClassReader(Class declaringClass) throws IOException {
+        InputStream in = null;
+        try {
+            ClassLoader classLoader = declaringClass.getClassLoader();
+            in = classLoader.getResourceAsStream(declaringClass.getName().replace('.', '/') + ".class");
+            ClassReader reader = new ClassReader(in);
+            return reader;
+        } finally {
+            if (in != null) {
+                try {
+                    in.close();
+                } catch (IOException ignored) {
+                }
+            }
+        }
+    }
+
+    private static class AllParameterNamesDiscoveringVisitor extends EmptyVisitor {
+        private final Map<Constructor, List<String>> constructorParameters = new HashMap<Constructor, List<String>>();
+        private final Map<Method, List<String>> methodParameters = new HashMap<Method, List<String>>();
+        private final Map<String, Exception> exceptions = new HashMap<String, Exception>();
+        private final String methodName;
+        private final Map<String, Method> methodMap = new HashMap<String, Method>();
+        private final Map<String, Constructor> constructorMap = new HashMap<String, Constructor>();
+
+        public AllParameterNamesDiscoveringVisitor(Class type, String methodName) {
+            this.methodName = methodName;
+
+            List<Method> methods = new ArrayList<Method>(Arrays.asList(type.getMethods()));
+            methods.addAll(Arrays.asList(type.getDeclaredMethods()));
+            for (Method method : methods) {
+                if (method.getName().equals(methodName)) {
+                    methodMap.put(Type.getMethodDescriptor(method), method);
+                }
+            }
+        }
+
+        public AllParameterNamesDiscoveringVisitor(Class type) {
+            this.methodName = "<init>";
+
+            List<Constructor> constructors = new ArrayList<Constructor>(Arrays.asList(type.getConstructors()));
+            constructors.addAll(Arrays.asList(type.getDeclaredConstructors()));
+            for (Constructor constructor : constructors) {
+                Type[] types = new Type[constructor.getParameterTypes().length];
+                for (int j = 0; j < types.length; j++) {
+                    types[j] = Type.getType(constructor.getParameterTypes()[j]);
+                }
+                constructorMap.put(Type.getMethodDescriptor(Type.VOID_TYPE, types), constructor);
+            }
+        }
+
+        public Map<Constructor, List<String>> getConstructorParameters() {
+            return constructorParameters;
+        }
+
+        public Map<Method, List<String>> getMethodParameters() {
+            return methodParameters;
+        }
+
+        public Map<String, Exception> getExceptions() {
+            return exceptions;
+        }
+
+        public MethodVisitor visitMethod(int access, String name, String desc, String signature, String[] exceptions) {
+            if (!name.equals(this.methodName)) {
+                return null;
+            }
+
+            try {
+                final List<String> parameterNames;
+                final boolean isStaticMethod;
+
+                if (methodName.equals("<init>")) {
+                    Constructor constructor = constructorMap.get(desc);
+                    if (constructor == null) {
+                        return null;
+                    }
+                    parameterNames = new ArrayList<String>(constructor.getParameterTypes().length);
+                    parameterNames.addAll(Collections.<String>nCopies(constructor.getParameterTypes().length, null));
+                    constructorParameters.put(constructor, parameterNames);
+                    isStaticMethod = false;
+                } else {
+                    Method method = methodMap.get(desc);
+                    if (method == null) {
+                        return null;
+                    }
+                    parameterNames = new ArrayList<String>(method.getParameterTypes().length);
+                    parameterNames.addAll(Collections.<String>nCopies(method.getParameterTypes().length, null));
+                    methodParameters.put(method, parameterNames);
+                    isStaticMethod = Modifier.isStatic(method.getModifiers());
+                }
+
+                return new EmptyVisitor() {
+                    // assume static method until we get a first parameter name
+                    public void visitLocalVariable(String name, String description, String signature, Label start, Label end, int index) {
+                        if (isStaticMethod) {
+                            parameterNames.set(index, name);
+                        } else if (index > 0) {
+                            // for non-static the 0th arg is "this" so we need to offset by -1
+                            parameterNames.set(index - 1, name);
+                        }
+                    }
+                };
+            } catch (Exception e) {
+                this.exceptions.put(signature, e);
+            }
+            return null;
+        }
+    }
+}
\ No newline at end of file

Modified: openejb/trunk/openejb3/examples/jpa-hibernate/pom.xml
URL: http://svn.apache.org/viewvc/openejb/trunk/openejb3/examples/jpa-hibernate/pom.xml?rev=698830&r1=698829&r2=698830&view=diff
==============================================================================
--- openejb/trunk/openejb3/examples/jpa-hibernate/pom.xml (original)
+++ openejb/trunk/openejb3/examples/jpa-hibernate/pom.xml Wed Sep 24 22:28:09 2008
@@ -1,24 +1,24 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<!--
-
-    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.
--->
-
-<!-- $Rev: 636494 $ $Date: 2008-03-12 21:24:02 +0100 (Wed, 12 Mar 2008) $ -->
-
+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+
+    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.
+-->
+
+<!-- $Rev: 636494 $ $Date: 2008-03-12 21:24:02 +0100 (Wed, 12 Mar 2008) $ -->
+
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
   <modelVersion>4.0.0</modelVersion>
   <groupId>org.superbiz</groupId>
@@ -77,10 +77,6 @@
       <version>3.2.5.ga</version>
       <exclusions>
         <exclusion>
-          <groupId>cglib</groupId>
-          <artifactId>cglib</artifactId>
-        </exclusion>
-        <exclusion>
           <groupId>javax.transaction</groupId>
           <artifactId>jta</artifactId>
         </exclusion>
@@ -88,18 +84,6 @@
       <scope>test</scope>
     </dependency>
     <dependency>
-      <groupId>cglib</groupId>
-      <artifactId>cglib-nodep</artifactId>
-      <version>2.1_3</version>
-      <scope>test</scope>
-    </dependency>
-    <dependency>
-      <groupId>asm</groupId>
-      <artifactId>asm</artifactId>
-      <version>2.2.3</version>
-      <scope>test</scope>
-    </dependency>
-    <dependency>
       <groupId>org.hibernate</groupId>
       <artifactId>hibernate-entitymanager</artifactId>
       <version>3.2.1.ga</version>