Examples with MethodVisitor org.apache.xbean.asm9.MethodVisitor used on opensource projects

Example 26 with MethodVisitor

use of org.apache.xbean.asm9.MethodVisitor in project tomee by apache.

the class Cmp2Generator method createOpenEJB_addCmr.

private void createOpenEJB_addCmr() {
    final 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");
    final Label notDeleted = new Label();
    mv.visitJumpInsn(IFEQ, notDeleted);
    mv.visitInsn(ACONST_NULL);
    mv.visitInsn(ARETURN);
    mv.visitLabel(notDeleted);
    for (final 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", false);
    mv.visitLdcInsn("Unknown cmr field ");
    mv.visitMethodInsn(INVOKEVIRTUAL, "java/lang/StringBuilder", "append", "(Ljava/lang/String;)Ljava/lang/StringBuilder;", false);
    mv.visitVarInsn(ALOAD, 1);
    mv.visitMethodInsn(INVOKEVIRTUAL, "java/lang/StringBuilder", "append", "(Ljava/lang/String;)Ljava/lang/StringBuilder;", false);
    mv.visitLdcInsn(" on entity bean of type ");
    mv.visitMethodInsn(INVOKEVIRTUAL, "java/lang/StringBuilder", "append", "(Ljava/lang/String;)Ljava/lang/StringBuilder;", false);
    mv.visitVarInsn(ALOAD, 0);
    mv.visitMethodInsn(INVOKEVIRTUAL, "java/lang/Object", "getClass", "()Ljava/lang/Class;", false);
    mv.visitMethodInsn(INVOKEVIRTUAL, "java/lang/Class", "getName", "()Ljava/lang/String;", false);
    mv.visitMethodInsn(INVOKEVIRTUAL, "java/lang/StringBuilder", "append", "(Ljava/lang/String;)Ljava/lang/StringBuilder;", false);
    mv.visitMethodInsn(INVOKEVIRTUAL, "java/lang/StringBuilder", "toString", "()Ljava/lang/String;", false);
    mv.visitMethodInsn(INVOKESPECIAL, "java/lang/IllegalArgumentException", "<init>", "(Ljava/lang/String;)V", false);
    mv.visitInsn(ATHROW);
    mv.visitMaxs(0, 0);
    mv.visitEnd();
}

Example 27 with MethodVisitor

use of org.apache.xbean.asm9.MethodVisitor in project tomee by apache.

the class Cmp1Generator method createConstructor.

/**
 * Create a default constructor for our bean super
 * class.  This is just a forwarding constructor that
 * calls the superclass (the bean implementation class)
 * default constructor.
 */
private void createConstructor() {
    final MethodVisitor mv = cw.visitMethod(ACC_PUBLIC, "<init>", "()V", null, null);
    mv.visitCode();
    mv.visitVarInsn(ALOAD, 0);
    mv.visitMethodInsn(INVOKESPECIAL, beanClassName, "<init>", "()V", false);
    mv.visitInsn(RETURN);
    mv.visitMaxs(0, 0);
    mv.visitEnd();
}

Example 28 with MethodVisitor

use of org.apache.xbean.asm9.MethodVisitor in project tomee by apache.

the class Cmp2Generator method createOpenEJB_isDeleted.

private void createOpenEJB_isDeleted() {
    final 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();
}

Example 29 with MethodVisitor

use of org.apache.xbean.asm9.MethodVisitor in project tomee by apache.

the class Cmp2Generator method createEjbLoad.

public void createEjbLoad() {
    final MethodVisitor mv = cw.visitMethod(ACC_PUBLIC, "ejbLoad", "()V", null, null);
    mv.visitCode();
    mv.visitInsn(RETURN);
    mv.visitMaxs(0, 1);
    mv.visitEnd();
}

Example 30 with MethodVisitor

use of org.apache.xbean.asm9.MethodVisitor in project tomee by apache.

the class Cmp2Generator method initCmrFields.

/**
 * Initialize the CMR fields associated with a CMR
 * definition.  This initializes two fields per CMR
 * defined field:  1)  The CMR field itself (which might
 * be initialized to an instance of a defined type) and 2)
 * the appropriate CMD accessor that handles the
 * different types of relationship.
 *
 * @param mv       The method context we're initializing in.
 * @param cmrField The CMR field to process.
 */
private void initCmrFields(final MethodVisitor mv, final CmrField cmrField) {
    // this.${cmrField.name} = new ${cmrField.initialValueType}();
    final Type initialValueType = cmrField.getInitialValueType();
    if (initialValueType != null) {
        mv.visitVarInsn(ALOAD, 0);
        mv.visitTypeInsn(NEW, initialValueType.getInternalName());
        mv.visitInsn(DUP);
        mv.visitMethodInsn(INVOKESPECIAL, initialValueType.getInternalName(), "<init>", "()V", false);
        mv.visitFieldInsn(PUTFIELD, implClassName, cmrField.getName(), cmrField.getDescriptor());
    }
    // this.${cmrField.name}Cmr = new ${cmrField.accessorType}<${cmrField.type}, ${cmrField.proxyType}>(this,
    // ${cmrField.name},
    // ${cmrField.type},
    // ${cmrField.relatedName});
    mv.visitVarInsn(ALOAD, 0);
    mv.visitTypeInsn(NEW, cmrField.getAccessorInternalName());
    mv.visitInsn(DUP);
    // arg0: EntityBean source = this
    mv.visitVarInsn(ALOAD, 0);
    // arg1: String sourceProperty - "b"
    mv.visitLdcInsn(cmrField.getName());
    // arg2: Class<Bean> relatedType = BBean_BBean
    mv.visitLdcInsn(cmrField.getType());
    // arg3: String relatedProperty
    if (cmrField.getRelatedName() != null) {
        mv.visitLdcInsn(cmrField.getRelatedName());
    } else {
        mv.visitInsn(ACONST_NULL);
    }
    // invoke
    mv.visitMethodInsn(INVOKESPECIAL, cmrField.getAccessorInternalName(), "<init>", "(Ljavax/ejb/EntityBean;Ljava/lang/String;Ljava/lang/Class;Ljava/lang/String;)V", false);
    // bCmr = result
    mv.visitFieldInsn(PUTFIELD, implClassName, cmrField.getName() + "Cmr", cmrField.getAccessorDescriptor());
}