Package org.apache.openejb.asm

Examples of org.apache.openejb.asm.MethodVisitor

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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();
        }
        cw.visitEnd();


        write(baseDir, cw, classFilePath);
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        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 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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        mv.visitMaxs(0, 2);
        mv.visitEnd();
    }

    public void createUnsetEntityContext() {
        MethodVisitor mv = cw.visitMethod(ACC_PUBLIC, "unsetEntityContext", "()V", null, null);
        mv.visitCode();
        mv.visitInsn(RETURN);
        mv.visitMaxs(0, 1);
        mv.visitEnd();
    }
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     * @param ejbCreate The matching ejbCreate method.  The post create method
     *                  will match this one in terms of method signature.
     */
    public void createEjbPostCreate(String ejbPostCreateName, Method ejbCreate) {
        String methodDescriptor = Type.getMethodDescriptor(Type.VOID_TYPE, Type.getArgumentTypes(ejbCreate));
        MethodVisitor mv = cw.visitMethod(Opcodes.ACC_PUBLIC, ejbPostCreateName, methodDescriptor, null, null);
        mv.visitCode();
        mv.visitInsn(Opcodes.RETURN);
        mv.visitMaxs(0, ejbCreate.getParameterTypes().length + 1);
        mv.visitEnd();
    }
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     * class.  This is just a forwarding constructor that
     * calls the superclass (the bean implementation class)
     * default constructor.
     */
    private void createConstructor() {
        MethodVisitor mv = mv = cw.visitMethod(ACC_PUBLIC, "<init>", "()V", null, null);
        mv.visitCode();
        mv.visitVarInsn(ALOAD, 0);
        mv.visitMethodInsn(INVOKESPECIAL, beanClassName, "<init>", "()V");

        mv.visitInsn(RETURN);
        mv.visitMaxs(0, 0);
        mv.visitEnd();
    }
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            return false;
        }
    }

    private void createConstructor() {
        MethodVisitor mv = cw.visitMethod(ACC_PUBLIC, "<init>", "()V", null, null);
        mv.visitCode();
        mv.visitVarInsn(ALOAD, 0);
        mv.visitMethodInsn(INVOKESPECIAL, beanClassName, "<init>", "()V");

        for (CmrField cmrField : cmrFields) {
            initCmrFields(mv, cmrField);
        }

        mv.visitInsn(RETURN);
        mv.visitMaxs(0, 0);
        mv.visitEnd();
    }
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        mv.visitMaxs(0, 0);
        mv.visitEnd();
    }

    private void createOpenEJB_isDeleted() {
        MethodVisitor mv = cw.visitMethod(ACC_PUBLIC, "OpenEJB_isDeleted", "()Z", null, null);
        mv.visitCode();
        mv.visitVarInsn(ALOAD, 0);
        mv.visitFieldInsn(GETFIELD, implClassName, "deleted", "Z");
        mv.visitInsn(IRETURN);
        mv.visitMaxs(0, 0);
        mv.visitEnd();
    }
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        mv.visitMaxs(0, 0);
        mv.visitEnd();
    }

    private void createOpenEJB_deleted() {
        MethodVisitor mv = cw.visitMethod(ACC_PUBLIC, "OpenEJB_deleted", "()V", null, null);
        mv.visitCode();

        /* if (deleted) return; */
        mv.visitVarInsn(ALOAD, 0);
        mv.visitFieldInsn(GETFIELD, implClassName, "deleted", "Z");
        Label notDeleted = new Label();
        mv.visitJumpInsn(IFEQ, notDeleted);
        mv.visitInsn(RETURN);
        mv.visitLabel(notDeleted);

        // deleted = true;
        mv.visitVarInsn(ALOAD, 0);
        mv.visitInsn(ICONST_1);
        mv.visitFieldInsn(PUTFIELD, implClassName, "deleted", "Z");

        for (CmrField cmrField : cmrFields) {
            // ${cmrField.accessor}.delete(${cmrField.name});
            createOpenEJB_deleted(mv, cmrField);
        }

        // return;
        mv.visitInsn(RETURN);
        mv.visitMaxs(0, 0);
        mv.visitEnd();
    }
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        mv.visitMaxs(0, 0);
        mv.visitEnd();
    }

    private void createOpenEJB_addCmr() {
        MethodVisitor mv = cw.visitMethod(ACC_PUBLIC, "OpenEJB_addCmr", "(Ljava/lang/String;Ljava/lang/Object;)Ljava/lang/Object;", null, null);
        mv.visitCode();

        // if (deleted) return null;
        mv.visitVarInsn(ALOAD, 0);
        mv.visitFieldInsn(GETFIELD, implClassName, "deleted", "Z");
        Label notDeleted = new Label();
        mv.visitJumpInsn(IFEQ, notDeleted);
        mv.visitInsn(ACONST_NULL);
        mv.visitInsn(ARETURN);
        mv.visitLabel(notDeleted);

        for (CmrField cmrField : cmrFields) {
            // if ("${cmrField.name}".equals(name)) {
            //     ${cmrField.name}.add((${cmrField.type})value);
            //     return null;
            // }
            //
            // OR
            //
            // if ("${cmrField.name}".equals(name)) {
            //     Object oldValue = ${cmrField.name};
            //     ${cmrField.name} = (${cmrField.type}) bean;
            //     return oldValue;
            // }
            createOpenEJB_addCmr(mv, cmrField);
        }

        // throw new IllegalArgumentException("Unknown cmr field " + name + " on entity bean of type " + getClass().getName());
        mv.visitTypeInsn(NEW, "java/lang/IllegalArgumentException");
        mv.visitInsn(DUP);
        mv.visitTypeInsn(NEW, "java/lang/StringBuilder");
        mv.visitInsn(DUP);
        mv.visitMethodInsn(INVOKESPECIAL, "java/lang/StringBuilder", "<init>", "()V");
        mv.visitLdcInsn("Unknown cmr field ");
        mv.visitMethodInsn(INVOKEVIRTUAL, "java/lang/StringBuilder", "append", "(Ljava/lang/String;)Ljava/lang/StringBuilder;");
        mv.visitVarInsn(ALOAD, 1);
        mv.visitMethodInsn(INVOKEVIRTUAL, "java/lang/StringBuilder", "append", "(Ljava/lang/String;)Ljava/lang/StringBuilder;");
        mv.visitLdcInsn(" on entity bean of type ");
        mv.visitMethodInsn(INVOKEVIRTUAL, "java/lang/StringBuilder", "append", "(Ljava/lang/String;)Ljava/lang/StringBuilder;");
        mv.visitVarInsn(ALOAD, 0);
        mv.visitMethodInsn(INVOKEVIRTUAL, "java/lang/Object", "getClass", "()Ljava/lang/Class;");
        mv.visitMethodInsn(INVOKEVIRTUAL, "java/lang/Class", "getName", "()Ljava/lang/String;");
        mv.visitMethodInsn(INVOKEVIRTUAL, "java/lang/StringBuilder", "append", "(Ljava/lang/String;)Ljava/lang/StringBuilder;");
        mv.visitMethodInsn(INVOKEVIRTUAL, "java/lang/StringBuilder", "toString", "()Ljava/lang/String;");
        mv.visitMethodInsn(INVOKESPECIAL, "java/lang/IllegalArgumentException", "<init>", "(Ljava/lang/String;)V");
        mv.visitInsn(ATHROW);

        mv.visitMaxs(0, 0);
        mv.visitEnd();
    }
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Related Classes of org.apache.openejb.asm.MethodVisitor

  • org.apache.openejb.core.cmp.cmp2.Cmp1Generator
  • org.apache.openejb.core.cmp.cmp2.Cmp2Generator
  • org.apache.openejb.core.cmp.cmp2.PostCreateGenerator
  • org.apache.openejb.util.MakeTxLookup
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