Java tutorial
/* * Copyright 2015 Scouter Project. * * Licensed 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 scouter.agent.asm.jdbc; import org.objectweb.asm.MethodVisitor; import org.objectweb.asm.Opcodes; import scouter.agent.trace.TraceSQL; public class RsCloseMV extends MethodVisitor implements Opcodes { private static final String TRACESQL = TraceSQL.class.getName().replace('.', '/'); private static final String METHOD = "rsclose"; private static final String SIGNATURE = "(Ljava/lang/Object;)V"; public RsCloseMV(MethodVisitor mv) { super(ASM7, mv); } @Override public void visitInsn(int opcode) { if ((opcode >= IRETURN && opcode <= RETURN)) { mv.visitVarInsn(Opcodes.ALOAD, 0); mv.visitMethodInsn(Opcodes.INVOKESTATIC, TRACESQL, METHOD, SIGNATURE, false); } mv.visitInsn(opcode); } }