Package org.apache.xbean.asm

Examples of org.apache.xbean.asm.ClassWriter

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    private static byte[] toJava7ByteArray(BCClass bc, byte[] classBytes) throws IOException {
        ByteArrayInputStream bais = new ByteArrayInputStream(classBytes);
        BufferedInputStream bis = new BufferedInputStream(bais);

        ClassWriter cw = new BCClassWriter(ClassWriter.COMPUTE_FRAMES, bc.getClassLoader());
        ClassReader cr = new ClassReader(bis);
        cr.accept(cw, 0);
        return cw.toByteArray();
    }
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     */
    public Cmp1Generator(String cmpImplClass, Class beanClass) {
        beanClassName = Type.getInternalName(beanClass);
        implClassName = cmpImplClass.replace('.', '/');

        cw = new ClassWriter(ClassWriter.COMPUTE_MAXS);

        postCreateGenerator = new PostCreateGenerator(beanClass, cw);
    }
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        }

        // The class writer will be used for all generator activies, while the
        // postCreateGenerator will be used to add the ejbPostCreatexxxx methods as a
        // last step.
        cw = new ClassWriter(ClassWriter.COMPUTE_MAXS);
        postCreateGenerator = new PostCreateGenerator(beanClass, cw);
    }
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        String classFilePath = factory.replace('.', '/');

        String sourceFileName = factory.substring(factory.lastIndexOf('.')+1, factory.length()) + ".java";

        ClassWriter cw = new ClassWriter(0);
        MethodVisitor mv;

        cw.visit(V1_5, ACC_PUBLIC + ACC_SUPER, classFilePath, null, "java/lang/Object", new String[]{"org/hibernate/transaction/TransactionManagerLookup"});

        cw.visitSource(sourceFileName, null);

        {
            mv = cw.visitMethod(ACC_PUBLIC, "<init>", "()V", null, null);
            mv.visitCode();
            mv.visitVarInsn(ALOAD, 0);
            mv.visitMethodInsn(INVOKESPECIAL, "java/lang/Object", "<init>", "()V");
            mv.visitInsn(RETURN);
            mv.visitMaxs(1, 1);
            mv.visitEnd();
        }
        {
            mv = cw.visitMethod(ACC_PUBLIC, "getTransactionManager", "(Ljava/util/Properties;)Ljavax/transaction/TransactionManager;", null, new String[]{"org/hibernate/HibernateException"});
            mv.visitCode();
            mv.visitMethodInsn(INVOKESTATIC, "org/apache/openejb/OpenEJB", "getTransactionManager", "()Ljavax/transaction/TransactionManager;");
            mv.visitInsn(ARETURN);
            mv.visitMaxs(1, 2);
            mv.visitEnd();
        }
        {
            mv = cw.visitMethod(ACC_PUBLIC, "getUserTransactionName", "()Ljava/lang/String;", null, null);
            mv.visitCode();
            mv.visitLdcInsn("java:comp/UserTransaction");
            mv.visitInsn(ARETURN);
            mv.visitMaxs(1, 1);
            mv.visitEnd();
        }
        {
            mv = cw.visitMethod(ACC_PUBLIC, "getTransactionIdentifier", "(Ljavax/transaction/Transaction;)Ljava/lang/Object;", null, null);
            mv.visitCode();
            mv.visitVarInsn(ALOAD, 1);
            mv.visitInsn(ARETURN);
            mv.visitMaxs(1, 2);
            mv.visitEnd();
        }
        cw.visitEnd();


        write(baseDir, cw, classFilePath);
    }
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            throw new InternalError(e.toString());
        }
    }

  private byte[] generateProxy(Class<?> clsToProxy, String proxyName) throws ProxyGenerationException {
    ClassWriter cw = new ClassWriter(ClassWriter.COMPUTE_MAXS);
    FieldVisitor fv;
    MethodVisitor mv;

    String clsToOverride = clsToProxy.getName().replaceAll("\\.", "/");
        String proxyClassName = proxyName.replaceAll("\\.", "/");

        // push class signature
        cw.visit(V1_5, ACC_PUBLIC + ACC_SUPER, proxyClassName, null, clsToOverride, null);
    cw.visitSource(clsToOverride + ".java", null);

    // push InvocationHandler fields
    fv = cw.visitField(ACC_FINAL + ACC_PRIVATE, BUSSINESS_HANDLER_NAME, "Ljava/lang/reflect/InvocationHandler;", null, null);
    fv.visitEnd();
    fv = cw.visitField(ACC_FINAL + ACC_PRIVATE, NON_BUSINESS_HANDLER_NAME, "Ljava/lang/reflect/InvocationHandler;", null, null);
    fv.visitEnd();
   
    // push single argument constructor
    mv = cw.visitMethod(ACC_PUBLIC, "<init>", "(Ljava/lang/reflect/InvocationHandler;)V", null, null);
    mv.visitCode();
    mv.visitVarInsn(ALOAD, 0);
    mv.visitVarInsn(ALOAD, 1);
    mv.visitVarInsn(ALOAD, 1);
    mv.visitMethodInsn(INVOKESPECIAL, proxyName, "<init>", "(Ljava/lang/reflect/InvocationHandler;Ljava/lang/reflect/InvocationHandler;)V");
    mv.visitInsn(RETURN);
    mv.visitMaxs(0, 0);
    mv.visitEnd();

    // push double argument constructor
    mv = cw.visitMethod(ACC_PUBLIC, "<init>", "(Ljava/lang/reflect/InvocationHandler;Ljava/lang/reflect/InvocationHandler;)V", null, null);
    mv.visitCode();
    mv.visitVarInsn(ALOAD, 0);
    mv.visitMethodInsn(INVOKESPECIAL, clsToOverride, "<init>", "()V");
    mv.visitVarInsn(ALOAD, 0);
    mv.visitVarInsn(ALOAD, 1);
    mv.visitFieldInsn(PUTFIELD, proxyName, BUSSINESS_HANDLER_NAME, "Ljava/lang/reflect/InvocationHandler;");
    mv.visitVarInsn(ALOAD, 0);
    mv.visitVarInsn(ALOAD, 2);
    mv.visitFieldInsn(PUTFIELD, proxyName, NON_BUSINESS_HANDLER_NAME, "Ljava/lang/reflect/InvocationHandler;");
    mv.visitInsn(RETURN);
    mv.visitMaxs(0, 0);
    mv.visitEnd();

    Map<String, List<Method>> methodMap = getNonPrivateMethods(new Class[] { clsToProxy });

    for (Map.Entry<String, List<Method>> entry : methodMap.entrySet()) {
        for (Method method : entry.getValue()) { 
            String name = method.getName();
                int modifiers = method.getModifiers();
                if (Modifier.isPublic(modifiers) ||
                    (method.getParameterTypes().length == 0 &&
                            ("finalize".equals(name) || "clone".equals(name)))) {
                    // forward invocations of any public methods or
                    // finalize/clone methods to businessHandler
                    processMethod(cw, method, proxyClassName, BUSSINESS_HANDLER_NAME);                   
                } else {
                    // forward invocations of any other methods to nonBusinessHandler
                    processMethod(cw, method, proxyClassName, NON_BUSINESS_HANDLER_NAME);
                }
        }
    }
   
    byte[] clsBytes = cw.toByteArray();
    return clsBytes;
  }
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        String classFilePath = factory.replace('.', '/');

        String sourceFileName = factory.substring(factory.lastIndexOf('.')+1, factory.length()) + ".java";


        ClassWriter cw = new ClassWriter(0);
        MethodVisitor mv;

        cw.visit(V1_5, ACC_PUBLIC + ACC_SUPER, classFilePath, null, "oracle/toplink/essentials/transaction/JTATransactionController", null);

        cw.visitSource(sourceFileName, null);

        {
            mv = cw.visitMethod(ACC_PUBLIC, "<init>", "()V", null, null);
            mv.visitCode();
            mv.visitVarInsn(ALOAD, 0);
            mv.visitMethodInsn(INVOKESPECIAL, "oracle/toplink/essentials/transaction/JTATransactionController", "<init>", "()V");
            mv.visitInsn(RETURN);
            mv.visitMaxs(1, 1);
            mv.visitEnd();
        }
        {
            mv = cw.visitMethod(ACC_PROTECTED, "acquireTransactionManager", "()Ljavax/transaction/TransactionManager;", null, new String[]{"java/lang/Exception"});
            mv.visitCode();
            mv.visitMethodInsn(INVOKESTATIC, "org/apache/openejb/OpenEJB", "getTransactionManager", "()Ljavax/transaction/TransactionManager;");
            mv.visitInsn(ARETURN);
            mv.visitMaxs(1, 1);
            mv.visitEnd();
        }
        cw.visitEnd();


        write(baseDir, cw, classFilePath);
    }
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        String classFilePath = factory.replace('.', '/');

        String sourceFileName = factory.substring(factory.lastIndexOf('.')+1, factory.length()) + ".java";


        ClassWriter cw = new ClassWriter(0);
        MethodVisitor mv;

        cw.visit(V1_5, ACC_PUBLIC + ACC_SUPER, classFilePath, null, "org/eclipse/persistence/transaction/JTATransactionController", null);

        cw.visitSource(sourceFileName, null);

        {
            mv = cw.visitMethod(ACC_PUBLIC, "<init>", "()V", null, null);
            mv.visitCode();
            mv.visitVarInsn(ALOAD, 0);
            mv.visitMethodInsn(INVOKESPECIAL, "org/eclipse/persistence/transaction/JTATransactionController", "<init>", "()V");
            mv.visitInsn(RETURN);
            mv.visitMaxs(1, 1);
            mv.visitEnd();
        }
        {
            mv = cw.visitMethod(ACC_PROTECTED, "acquireTransactionManager", "()Ljavax/transaction/TransactionManager;", null, new String[]{"java/lang/Exception"});
            mv.visitCode();
            mv.visitMethodInsn(INVOKESTATIC, "org/apache/openejb/OpenEJB", "getTransactionManager", "()Ljavax/transaction/TransactionManager;");
            mv.visitInsn(ARETURN);
            mv.visitMaxs(1, 1);
            mv.visitEnd();
        }
        cw.visitEnd();


        write(baseDir, cw, classFilePath);
    }
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            throw new InternalError(e.toString());
        }
    }

  private byte[] generateProxy(Class<?> clsToProxy, String proxyName) throws ProxyGenerationException {
    ClassWriter cw = new ClassWriter(ClassWriter.COMPUTE_MAXS);
    FieldVisitor fv;
    MethodVisitor mv;

    String clsToOverride = clsToProxy.getName().replaceAll("\\.", "/");
        String proxyClassName = proxyName.replaceAll("\\.", "/");

        // push class signature
        cw.visit(V1_5, ACC_PUBLIC + ACC_SUPER, proxyClassName, null, clsToOverride, null);
    cw.visitSource(clsToOverride + ".java", null);

    // push InvocationHandler fields
    fv = cw.visitField(ACC_FINAL + ACC_PRIVATE, BUSSINESS_HANDLER_NAME, "Ljava/lang/reflect/InvocationHandler;", null, null);
    fv.visitEnd();
    fv = cw.visitField(ACC_FINAL + ACC_PRIVATE, NON_BUSINESS_HANDLER_NAME, "Ljava/lang/reflect/InvocationHandler;", null, null);
    fv.visitEnd();
   
    // push single argument constructor
    mv = cw.visitMethod(ACC_PUBLIC, "<init>", "(Ljava/lang/reflect/InvocationHandler;)V", null, null);
    mv.visitCode();
    mv.visitVarInsn(ALOAD, 0);
    mv.visitVarInsn(ALOAD, 1);
    mv.visitVarInsn(ALOAD, 1);
    mv.visitMethodInsn(INVOKESPECIAL, proxyName, "<init>", "(Ljava/lang/reflect/InvocationHandler;Ljava/lang/reflect/InvocationHandler;)V");
    mv.visitInsn(RETURN);
    mv.visitMaxs(0, 0);
    mv.visitEnd();

    // push double argument constructor
    mv = cw.visitMethod(ACC_PUBLIC, "<init>", "(Ljava/lang/reflect/InvocationHandler;Ljava/lang/reflect/InvocationHandler;)V", null, null);
    mv.visitCode();
    mv.visitVarInsn(ALOAD, 0);
    mv.visitMethodInsn(INVOKESPECIAL, clsToOverride, "<init>", "()V");
    mv.visitVarInsn(ALOAD, 0);
    mv.visitVarInsn(ALOAD, 1);
    mv.visitFieldInsn(PUTFIELD, proxyName, BUSSINESS_HANDLER_NAME, "Ljava/lang/reflect/InvocationHandler;");
    mv.visitVarInsn(ALOAD, 0);
    mv.visitVarInsn(ALOAD, 2);
    mv.visitFieldInsn(PUTFIELD, proxyName, NON_BUSINESS_HANDLER_NAME, "Ljava/lang/reflect/InvocationHandler;");
    mv.visitInsn(RETURN);
    mv.visitMaxs(0, 0);
    mv.visitEnd();

    Map<String, List<Method>> methodMap = getNonPrivateMethods(new Class[] { clsToProxy });

    for (Map.Entry<String, List<Method>> entry : methodMap.entrySet()) {
        for (Method method : entry.getValue()) { 
            String name = method.getName();
                int modifiers = method.getModifiers();
                if (Modifier.isPublic(modifiers) ||
                    (method.getParameterTypes().length == 0 &&
                            ("finalize".equals(name) || "clone".equals(name)))) {
                    // forward invocations of any public methods or
                    // finalize/clone methods to businessHandler
                    processMethod(cw, method, proxyClassName, BUSSINESS_HANDLER_NAME);                   
                } else {
                    // forward invocations of any other methods to nonBusinessHandler
                    processMethod(cw, method, proxyClassName, NON_BUSINESS_HANDLER_NAME);
                }
        }
    }
   
    byte[] clsBytes = cw.toByteArray();
    return clsBytes;
  }
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        String classFilePath = factory.replace('.', '/');

        String sourceFileName = factory.substring(factory.lastIndexOf('.') + 1, factory.length()) + ".java";


        ClassWriter cw = new ClassWriter(0);
        MethodVisitor mv;

        cw.visit(V1_5, ACC_PUBLIC + ACC_SUPER, classFilePath, null, "oracle/toplink/essentials/transaction/JTATransactionController", null);

        cw.visitSource(sourceFileName, null);

        {
            mv = cw.visitMethod(ACC_PUBLIC, "<init>", "()V", null, null);
            mv.visitCode();
            mv.visitVarInsn(ALOAD, 0);
            mv.visitMethodInsn(INVOKESPECIAL, "oracle/toplink/essentials/transaction/JTATransactionController", "<init>", "()V");
            mv.visitInsn(RETURN);
            mv.visitMaxs(1, 1);
            mv.visitEnd();
        }
        {
            mv = cw.visitMethod(ACC_PROTECTED, "acquireTransactionManager", "()Ljavax/transaction/TransactionManager;", null, new String[]{"java/lang/Exception"});
            mv.visitCode();
            mv.visitMethodInsn(INVOKESTATIC, "org/apache/openejb/OpenEJB", "getTransactionManager", "()Ljavax/transaction/TransactionManager;");
            mv.visitInsn(ARETURN);
            mv.visitMaxs(1, 1);
            mv.visitEnd();
        }
        cw.visitEnd();


        write(baseDir, cw, classFilePath);
    }
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        String classFilePath = factory.replace('.', '/');

        String sourceFileName = factory.substring(factory.lastIndexOf('.') + 1, factory.length()) + ".java";


        ClassWriter cw = new ClassWriter(0);
        MethodVisitor mv;

        cw.visit(V1_5, ACC_PUBLIC + ACC_SUPER, classFilePath, null, "org/eclipse/persistence/transaction/JTATransactionController", null);

        cw.visitSource(sourceFileName, null);

        {
            mv = cw.visitMethod(ACC_PUBLIC, "<init>", "()V", null, null);
            mv.visitCode();
            mv.visitVarInsn(ALOAD, 0);
            mv.visitMethodInsn(INVOKESPECIAL, "org/eclipse/persistence/transaction/JTATransactionController", "<init>", "()V");
            mv.visitInsn(RETURN);
            mv.visitMaxs(1, 1);
            mv.visitEnd();
        }
        {
            mv = cw.visitMethod(ACC_PROTECTED, "acquireTransactionManager", "()Ljavax/transaction/TransactionManager;", null, new String[]{"java/lang/Exception"});
            mv.visitCode();
            mv.visitMethodInsn(INVOKESTATIC, "org/apache/openejb/OpenEJB", "getTransactionManager", "()Ljavax/transaction/TransactionManager;");
            mv.visitInsn(ARETURN);
            mv.visitMaxs(1, 1);
            mv.visitEnd();
        }
        cw.visitEnd();


        write(baseDir, cw, classFilePath);
    }
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  • org.apache.openejb.core.cmp.jpa.JpaTest
  • org.apache.openejb.jpa.integration.MakeTxLookup
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