01: /*
02: * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
03: *
04: * Copyright 1997-2007 Sun Microsystems, Inc. All rights reserved.
05: *
06: * The contents of this file are subject to the terms of either the GNU
07: * General Public License Version 2 only ("GPL") or the Common
08: * Development and Distribution License("CDDL") (collectively, the
09: * "License"). You may not use this file except in compliance with the
10: * License. You can obtain a copy of the License at
11: * http://www.netbeans.org/cddl-gplv2.html
12: * or nbbuild/licenses/CDDL-GPL-2-CP. See the License for the
13: * specific language governing permissions and limitations under the
14: * License. When distributing the software, include this License Header
15: * Notice in each file and include the License file at
16: * nbbuild/licenses/CDDL-GPL-2-CP. Sun designates this
17: * particular file as subject to the "Classpath" exception as provided
18: * by Sun in the GPL Version 2 section of the License file that
19: * accompanied this code. If applicable, add the following below the
20: * License Header, with the fields enclosed by brackets [] replaced by
21: * your own identifying information:
22: * "Portions Copyrighted [year] [name of copyright owner]"
23: *
24: * Contributor(s):
25: * The Original Software is NetBeans. The Initial Developer of the Original
26: * Software is Sun Microsystems, Inc. Portions Copyright 1997-2006 Sun
27: * Microsystems, Inc. All Rights Reserved.
28: *
29: * If you wish your version of this file to be governed by only the CDDL
30: * or only the GPL Version 2, indicate your decision by adding
31: * "[Contributor] elects to include this software in this distribution
32: * under the [CDDL or GPL Version 2] license." If you do not indicate a
33: * single choice of license, a recipient has the option to distribute
34: * your version of this file under either the CDDL, the GPL Version 2 or
35: * to extend the choice of license to its licensees as provided above.
36: * However, if you add GPL Version 2 code and therefore, elected the GPL
37: * Version 2 license, then the option applies only if the new code is
38: * made subject to such option by the copyright holder.
39: */
40:
41: package org.netbeans.lib.profiler.instrumentation;
42:
43: import org.netbeans.lib.profiler.classfile.ClassInfo;
44:
45: /**
46: * Specialized subclass of Injector, that provides injection of our standard handleServletDoMethod(javax.servlet.http.HttpServletRequest request)
47: * call into javax.servlet.http.HttpServlet methods
48: * void doGet(javax.servlet.http.HttpServletRequest, javax.servlet.http.HttpServletResponse)
49: * void doPost(javax.servlet.http.HttpServletRequest, javax.servlet.http.HttpServletResponse)
50: * void doPut(javax.servlet.http.HttpServletRequest, javax.servlet.http.HttpServletResponse)
51: * void doDelete(javax.servlet.http.HttpServletRequest, javax.servlet.http.HttpServletResponse)
52: *
53: * @author Tomas Hurka
54: */
55: class HandleServletDoMethodCallInjector extends SpecialCallInjector {
56: //~ Static fields/initializers -----------------------------------------------------------------------------------------------
57:
58: private static String[] methodNames = { "doGet", "doPost", "doPut",
59: "doDelete" }; // NOI18N
60: private static String SIGNATURE = "(Ljavax/servlet/http/HttpServletRequest;Ljavax/servlet/http/HttpServletResponse;)V"; // NOI18N
61: private static String[] methodSignatures = { SIGNATURE, SIGNATURE,
62: SIGNATURE, SIGNATURE };
63:
64: //~ Constructors -------------------------------------------------------------------------------------------------------------
65:
66: HandleServletDoMethodCallInjector(ClassInfo clazz,
67: int baseCPoolCount, int methodIdx) {
68: super (clazz, baseCPoolCount, methodIdx);
69: targetMethodIdx = CPExtensionsRepository.miContents_HandleServletDoMethodIdx
70: + baseCPoolCount;
71: initializeInjectedCode();
72: }
73:
74: //~ Methods ------------------------------------------------------------------------------------------------------------------
75:
76: static String getClassName() {
77: return "javax/servlet/http/HttpServlet"; // NOI18N
78: }
79:
80: static String[] getMethodNames() {
81: return methodNames;
82: }
83:
84: static String[] getMethodSignatures() {
85: return methodSignatures;
86: }
87:
88: private void initializeInjectedCode() {
89: injectedCodeLen = 4;
90: injectedCode = new byte[injectedCodeLen];
91: injectedCode[0] = (byte) opc_aload_1;
92: injectedCode[1] = (byte) opc_invokestatic;
93: // Positions 2, 3 are occupied by method index
94: injectedCodeMethodIdxPos = 2;
95: }
96: }
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