001: /*
002: * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
003: *
004: * Copyright 1997-2007 Sun Microsystems, Inc. All rights reserved.
005: *
006: * The contents of this file are subject to the terms of either the GNU
007: * General Public License Version 2 only ("GPL") or the Common
008: * Development and Distribution License("CDDL") (collectively, the
009: * "License"). You may not use this file except in compliance with the
010: * License. You can obtain a copy of the License at
011: * http://www.netbeans.org/cddl-gplv2.html
012: * or nbbuild/licenses/CDDL-GPL-2-CP. See the License for the
013: * specific language governing permissions and limitations under the
014: * License. When distributing the software, include this License Header
015: * Notice in each file and include the License file at
016: * nbbuild/licenses/CDDL-GPL-2-CP. Sun designates this
017: * particular file as subject to the "Classpath" exception as provided
018: * by Sun in the GPL Version 2 section of the License file that
019: * accompanied this code. If applicable, add the following below the
020: * License Header, with the fields enclosed by brackets [] replaced by
021: * your own identifying information:
022: * "Portions Copyrighted [year] [name of copyright owner]"
023: *
024: * Contributor(s):
025: *
026: * The Original Software is NetBeans. The Initial Developer of the Original
027: * Software is Sun Microsystems, Inc. Portions Copyright 1997-2007 Sun
028: * Microsystems, Inc. All Rights Reserved.
029: *
030: * If you wish your version of this file to be governed by only the CDDL
031: * or only the GPL Version 2, indicate your decision by adding
032: * "[Contributor] elects to include this software in this distribution
033: * under the [CDDL or GPL Version 2] license." If you do not indicate a
034: * single choice of license, a recipient has the option to distribute
035: * your version of this file under either the CDDL, the GPL Version 2 or
036: * to extend the choice of license to its licensees as provided above.
037: * However, if you add GPL Version 2 code and therefore, elected the GPL
038: * Version 2 license, then the option applies only if the new code is
039: * made subject to such option by the copyright holder.
040: */
041:
042: /*
043: * JarClassFileLoader.java
044: *
045: * Created on December 13, 2006, 6:03 PM
046: *
047: * To change this template, choose Tools | Template Manager
048: * and open the template in the editor.
049: */
050:
051: package org.netbeans.modules.compapp.javaee.annotation.handler;
052:
053: import java.io.IOException;
054: import java.util.jar.JarEntry;
055: import java.util.jar.JarFile;
056: import java.util.logging.Logger;
057: import org.netbeans.modules.classfile.ClassFile;
058: import org.netbeans.modules.classfile.ClassName;
059:
060: /**
061: *
062: * @author gpatil
063: */
064: public class JarClassFileLoader implements ClassFileLoader {
065: private JarFile jf;
066: private String rootClassDir;
067: private Logger logger = Logger.getLogger(JarClassFileLoader.class
068: .getName());
069:
070: public JarClassFileLoader(JarFile j, String root) {
071: this .jf = j;
072: this .rootClassDir = root;
073: }
074:
075: private String getClassPath(ClassName cn) {
076: String ret = cn.getExternalName(true).replaceAll("\\.", "\\/");//NOI18N
077: ret = ret + ".class"; //NOI18N
078: return ret;
079: }
080:
081: private String getClassPath(String internalClassName) {
082: return getClassPath(ClassName.getClassName(internalClassName));
083: }
084:
085: public ClassFile getClassFileFromInternalName(
086: String internalClassName) {
087: ClassFile cf = null;
088: internalClassName = getClassPath(internalClassName);
089: try {
090: JarEntry je = jf.getJarEntry(rootClassDir
091: + internalClassName); // No I18N
092: cf = new ClassFile(jf.getInputStream(je));
093: } catch (IOException ex) {
094: logger.warning("Exception while reading class file:"
095: + internalClassName + ":" + ex.getMessage());
096: }
097:
098: return cf;
099: }
100:
101: public ClassFile getClassFile(ClassName className) {
102: ClassFile cf = null;
103: try {
104: JarEntry je = jf.getJarEntry(rootClassDir
105: + getClassPath(className)); // No I18N
106: cf = new ClassFile(jf.getInputStream(je));
107: } catch (IOException ex) {
108: logger.warning("Exception while reading class file:"
109: + className + ":" + ex.getMessage());
110: }
111:
112: return cf;
113: }
114:
115: public ClassFile getClassFileUsingJarEntry(JarEntry je) {
116: ClassFile cf = null;
117: try {
118: cf = new ClassFile(jf.getInputStream(je));
119: } catch (IOException ex) {
120: logger.warning("Exception while reading class file:"
121: + je.getName() + ":" + ex.getMessage());
122: }
123: return cf;
124: }
125: }
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