001: /*
002: * The Apache Software License, Version 1.1
003: *
004: * Copyright (c) 1999 The Apache Software Foundation. All rights
005: * reserved.
006: *
007: * Redistribution and use in source and binary forms, with or without
008: * modification, are permitted provided that the following conditions
009: * are met:
010: *
011: * 1. Redistributions of source code must retain the above copyright
012: * notice, this list of conditions and the following disclaimer.
013: *
014: * 2. Redistributions in binary form must reproduce the above copyright
015: * notice, this list of conditions and the following disclaimer in
016: * the documentation and/or other materials provided with the
017: * distribution.
018: *
019: * 3. The end-user documentation included with the redistribution, if
020: * any, must include the following acknowlegement:
021: * "This product includes software developed by the
022: * Apache Software Foundation (http://www.apache.org/)."
023: * Alternately, this acknowlegement may appear in the software itself,
024: * if and wherever such third-party acknowlegements normally appear.
025: *
026: * 4. The names "The Jakarta Project", "Tomcat", and "Apache Software
027: * Foundation" must not be used to endorse or promote products derived
028: * from this software without prior written permission. For written
029: * permission, please contact apache@apache.org.
030: *
031: * 5. Products derived from this software may not be called "Apache"
032: * nor may "Apache" appear in their names without prior written
033: * permission of the Apache Group.
034: *
035: * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
036: * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
037: * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
038: * DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
039: * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
040: * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
041: * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
042: * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
043: * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
044: * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
045: * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
046: * SUCH DAMAGE.
047: * ====================================================================
048: *
049: * This software consists of voluntary contributions made by many
050: * individuals on behalf of the Apache Software Foundation. For more
051: * information on the Apache Software Foundation, please see
052: * <http://www.apache.org/>.
053: *
054: */
055:
056: package com.sun.portal.providers.jsp.jasper3.jasper.servlet;
057:
058: import java.io.FileInputStream;
059: import java.io.ByteArrayOutputStream;
060: import java.io.File;
061: import java.io.FileNotFoundException;
062: import java.io.InputStream;
063: import java.io.IOException;
064:
065: import java.util.Hashtable;
066: import java.util.Vector;
067: import java.util.zip.ZipFile;
068: import java.util.zip.ZipEntry;
069: import java.net.URL;
070:
071: import java.security.*;
072:
073: import com.sun.portal.providers.jsp.jasper3.jasper.JasperException;
074: import com.sun.portal.providers.jsp.jasper3.jasper.Constants;
075: import com.sun.portal.providers.jsp.jasper3.jasper.JspCompilationContext;
076: import com.sun.portal.providers.jsp.jasper3.jasper.JspEngineContext;
077: import com.sun.portal.providers.jsp.jasper3.jasper.Options;
078: import com.sun.portal.providers.jsp.jasper3.jasper.compiler.Compiler;
079:
080: import com.sun.portal.providers.jsp.jasper3.tomcat.logging.Logger;
081: import javax.servlet.http.*;
082:
083: /**
084: * 1.2 version of the JspLoader
085: *
086: * @author Anil K. Vijendran
087: * @author Harish Prabandham
088: * @author Costin Manolache
089: */
090: public class JasperLoader12 extends JasperLoader {
091:
092: JasperLoader12() {
093: super ();
094: }
095:
096: /**
097: */
098: protected Class defClass(String className, byte[] classData) {
099: // If a SecurityManager is being used, set the ProtectionDomain
100: // for this clas when it is defined.
101: // System.out.println("JspLoader12: " + className + " " +
102: // ((ProtectionDomain)pd).getCodeSource() );
103: if (pd != null) {
104: return defineClass(className, classData, 0,
105: classData.length, (ProtectionDomain) pd);
106: }
107: return defineClass(className, classData, 0, classData.length);
108: }
109:
110: protected byte[] loadClassDataFromFile(String fileName) {
111: /**
112: * When using a SecurityManager and a JSP page itself triggers
113: * another JSP due to an errorPage or from a jsp:include,
114: * the loadClass must be performed with the Permissions of
115: * this class using doPriviledged because the parent JSP
116: * may not have sufficient Permissions.
117: */
118: if (System.getSecurityManager() != null) {
119: class doInit implements PrivilegedAction {
120: private String fileName;
121:
122: public doInit(String file) {
123: fileName = file;
124: }
125:
126: public Object run() {
127: return doLoadClassDataFromFile(fileName);
128: }
129: }
130: doInit di = new doInit(fileName);
131: return (byte[]) AccessController.doPrivileged(di);
132: } else {
133: return doLoadClassDataFromFile(fileName);
134: }
135: }
136:
137: }
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