cc.adf.metrics.agent.visitor.ApplicationModuleImplModifier.java Source code

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Here is the source code for cc.adf.metrics.agent.visitor.ApplicationModuleImplModifier.java

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package cc.adf.metrics.agent.visitor;

import org.objectweb.asm.ClassWriter;
import org.objectweb.asm.Label;
import org.objectweb.asm.MethodVisitor;
import org.objectweb.asm.Opcodes;
import static org.objectweb.asm.Opcodes.ACC_PRIVATE;
import static org.objectweb.asm.Opcodes.ALOAD;
import static org.objectweb.asm.Opcodes.ARETURN;
import static org.objectweb.asm.Opcodes.DUP;
import static org.objectweb.asm.Opcodes.IFEQ;
import static org.objectweb.asm.Opcodes.INVOKESPECIAL;
import static org.objectweb.asm.Opcodes.INVOKEVIRTUAL;
import static org.objectweb.asm.Opcodes.NEW;

/**
 *
 * @author cc
 */
public class ApplicationModuleImplModifier {
    public static void addDetailNameMethod(ClassWriter cw) {
        MethodVisitor mv = cw.visitMethod(ACC_PRIVATE, "getDetailName", "()Ljava/lang/String;", null, null);
        mv.visitCode();
        mv.visitVarInsn(ALOAD, 0);
        mv.visitMethodInsn(INVOKEVIRTUAL, "oracle/jbo/server/ApplicationModuleImpl", "isRoot", "()Z", false);
        Label l0 = new Label();
        mv.visitJumpInsn(IFEQ, l0);
        mv.visitVarInsn(ALOAD, 0);
        mv.visitMethodInsn(INVOKESPECIAL, "oracle/jbo/server/ApplicationModuleImpl", "getName",
                "()Ljava/lang/String;", false);
        mv.visitInsn(ARETURN);
        mv.visitLabel(l0);
        mv.visitFrame(Opcodes.F_SAME, 0, null, 0, null);
        mv.visitTypeInsn(NEW, "java/lang/StringBuilder");
        mv.visitInsn(DUP);
        mv.visitMethodInsn(INVOKESPECIAL, "java/lang/StringBuilder", "<init>", "()V", false);
        mv.visitVarInsn(ALOAD, 0);
        mv.visitMethodInsn(INVOKESPECIAL, "oracle/jbo/server/ApplicationModuleImpl", "getRootApplicationModule",
                "()Loracle/jbo/server/ApplicationModuleImpl;", false);
        mv.visitMethodInsn(INVOKEVIRTUAL, "oracle/jbo/server/ApplicationModuleImpl", "getName",
                "()Ljava/lang/String;", false);
        mv.visitMethodInsn(INVOKEVIRTUAL, "java/lang/StringBuilder", "append",
                "(Ljava/lang/String;)Ljava/lang/StringBuilder;", false);
        mv.visitLdcInsn("::");
        mv.visitMethodInsn(INVOKEVIRTUAL, "java/lang/StringBuilder", "append",
                "(Ljava/lang/String;)Ljava/lang/StringBuilder;", false);
        mv.visitVarInsn(ALOAD, 0);
        mv.visitMethodInsn(INVOKESPECIAL, "oracle/jbo/server/ApplicationModuleImpl", "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.visitInsn(ARETURN);
        mv.visitMaxs(2, 1);
        mv.visitEnd();
    }
}