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 * Copyright 1997-2007 Sun Microsystems, Inc. All rights reserved.
 * The contents of this file are subject to the terms of either the GNU
 * General Public License Version 2 only ("GPL") or the Common
 * Development and Distribution License("CDDL") (collectively, the
 * "License"). You may not use this file except in compliance with the
 * License. You can obtain a copy of the License at
 * http://www.netbeans.org/cddl-gplv2.html
 * or nbbuild/licenses/CDDL-GPL-2-CP. See the License for the
 * specific language governing permissions and limitations under the
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 * Notice in each file and include the License file at
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 * particular file as subject to the "Classpath" exception as provided
 * by Sun in the GPL Version 2 section of the License file that
 * accompanied this code. If applicable, add the following below the
 * License Header, with the fields enclosed by brackets [] replaced by
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 * The Original Software is NetBeans. The Initial Developer of the Original
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package org.netbeans.lib.profiler.instrumentation;

import org.netbeans.lib.profiler.classfile.ClassInfo;

 * Specialized subclass of Injector, that provides injection of our standard handleServletDoMethod(javax.servlet.http.HttpServletRequest request)
 * call into javax.servlet.http.HttpServlet methods
 * void doGet(javax.servlet.http.HttpServletRequest, javax.servlet.http.HttpServletResponse)
 * void doPost(javax.servlet.http.HttpServletRequest, javax.servlet.http.HttpServletResponse)
 * void doPut(javax.servlet.http.HttpServletRequest, javax.servlet.http.HttpServletResponse)
 * void doDelete(javax.servlet.http.HttpServletRequest, javax.servlet.http.HttpServletResponse)
 *  @author Tomas Hurka
00056 class HandleServletDoMethodCallInjector extends SpecialCallInjector {
    //~ Static fields/initializers -----------------------------------------------------------------------------------------------

    private static String[] methodNames = { "doGet", "doPost", "doPut", "doDelete" }; // NOI18N
    private static String SIGNATURE = "(Ljavax/servlet/http/HttpServletRequest;Ljavax/servlet/http/HttpServletResponse;)V"; // NOI18N
    private static String[] methodSignatures = { SIGNATURE, SIGNATURE, SIGNATURE, SIGNATURE };

    //~ Constructors -------------------------------------------------------------------------------------------------------------

    HandleServletDoMethodCallInjector(ClassInfo clazz, int baseCPoolCount, int methodIdx) {
        super(clazz, baseCPoolCount, methodIdx);
        targetMethodIdx = CPExtensionsRepository.miContents_HandleServletDoMethodIdx + baseCPoolCount;

    //~ Methods ------------------------------------------------------------------------------------------------------------------

    static String getClassName() {
        return "javax/servlet/http/HttpServlet"; // NOI18N

    static String[] getMethodNames() {
        return methodNames;

    static String[] getMethodSignatures() {
        return methodSignatures;

    private void initializeInjectedCode() {
        injectedCodeLen = 4;
        injectedCode = new byte[injectedCodeLen];
        injectedCode[0] = (byte) opc_aload_1;
        injectedCode[1] = (byte) opc_invokestatic;
        // Positions 2, 3 are occupied by method index
        injectedCodeMethodIdxPos = 2;

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