PreparedStatementCtorMethodVisitor.java

/*
 * AppInsights-Java
 * Copyright (c) Microsoft Corporation
 * All rights reserved.
 *
 * MIT License
 * Permission is hereby granted, free of charge, to any person obtaining a copy of this
 * software and associated documentation files (the ""Software""), to deal in the Software
 * without restriction, including without limitation the rights to use, copy, modify, merge,
 * publish, distribute, sublicense, and/or sell copies of the Software, and to permit
 * persons to whom the Software is furnished to do so, subject to the following conditions:
 * The above copyright notice and this permission notice shall be included in all copies or
 * substantial portions of the Software.
 * THE SOFTWARE IS PROVIDED *AS IS*, WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
 * INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
 * PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE
 * FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
 * DEALINGS IN THE SOFTWARE.
 */

package com.microsoft.applicationinsights.agent.internal.agent.sql;

import com.microsoft.applicationinsights.agent.internal.agent.ClassToMethodTransformationData;
import com.microsoft.applicationinsights.agent.internal.agent.DefaultMethodVisitor;
import org.objectweb.asm.MethodVisitor;
import org.objectweb.asm.Opcodes;

/**
 * Created by gupele on 8/4/2015.
 */
final class PreparedStatementCtorMethodVisitor extends DefaultMethodVisitor {
    private final PreparedStatementMetaData metaData;

    public PreparedStatementCtorMethodVisitor(int access, String desc, String owner, String methodName, MethodVisitor methodVisitor, ClassToMethodTransformationData additionalData) {
        super(false, false, 0, access, desc, owner, methodName, methodVisitor, additionalData);
        this.metaData = (PreparedStatementMetaData)additionalData;
    }

    @Override
    public void visitCode() {
        super.visitCode();
        super.visitVarInsn(Opcodes.ALOAD, 0);
        super.visitVarInsn(Opcodes.ALOAD, metaData.sqlStringInCtor);
        super.visitFieldInsn(Opcodes.PUTFIELD, owner, metaData.fieldName, "Ljava/lang/String;");
    }

    @Override
    protected void onMethodExit(int opcode) {
    }
}