| /* |
| * The Apache Software License, Version 1.1 |
| * |
| * |
| * Copyright (c) 2002,2003 The Apache Software Foundation. All rights |
| * reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * |
| * 2. Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in |
| * the documentation and/or other materials provided with the |
| * distribution. |
| * |
| * 3. The end-user documentation included with the redistribution, |
| * if any, must include the following acknowledgment: |
| * "This product includes software developed by the |
| * Apache Software Foundation (http://www.apache.org/)." |
| * Alternately, this acknowledgment may appear in the software itself, |
| * if and wherever such third-party acknowledgments normally appear. |
| * |
| * 4. The name "Apache Software Foundation" must not be used to endorse or |
| * promote products derived from this software without prior written |
| * permission. For written permission, please contact apache@apache.org. |
| * |
| * 5. Products derived from this software may not be called "Apache", |
| * nor may "Apache" appear in their name, without prior written |
| * permission of the Apache Software Foundation. |
| * |
| * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED |
| * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
| * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
| * DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR |
| * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF |
| * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND |
| * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, |
| * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT |
| * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
| * SUCH DAMAGE. |
| * ==================================================================== |
| * |
| * This software consists of voluntary contributions made by many |
| * individuals on behalf of the Apache Software Foundation and was |
| * originally based on software copyright (c) 1999-2002, Sun Microsystems, |
| * Inc., http://www.sun.com. For more information on the Apache Software |
| * Foundation, please see <http://www.apache.org/>. |
| */ |
| |
| package org.apache.xalan.extensions; |
| |
| import java.io.File; |
| import java.io.FileInputStream; |
| import java.io.FileNotFoundException; |
| import java.io.InputStream; |
| |
| import java.util.Properties; |
| |
| /** |
| * This class is duplicated for each Xalan-Java subpackage so keep it in sync. |
| * It is package private and therefore is not exposed as part of the Xalan-Java |
| * API. |
| * |
| * Base class with security related methods that work on JDK 1.1. |
| */ |
| class SecuritySupport { |
| |
| /* |
| * Make this of type Object so that the verifier won't try to |
| * prove its type, thus possibly trying to load the SecuritySupport12 |
| * class. |
| */ |
| private static final Object securitySupport; |
| |
| static { |
| SecuritySupport ss = null; |
| try { |
| Class c = Class.forName("java.security.AccessController"); |
| // if that worked, we're on 1.2. |
| /* |
| // don't reference the class explicitly so it doesn't |
| // get dragged in accidentally. |
| c = Class.forName("javax.mail.SecuritySupport12"); |
| Constructor cons = c.getConstructor(new Class[] { }); |
| ss = (SecuritySupport)cons.newInstance(new Object[] { }); |
| */ |
| /* |
| * Unfortunately, we can't load the class using reflection |
| * because the class is package private. And the class has |
| * to be package private so the APIs aren't exposed to other |
| * code that could use them to circumvent security. Thus, |
| * we accept the risk that the direct reference might fail |
| * on some JDK 1.1 JVMs, even though we would never execute |
| * this code in such a case. Sigh... |
| */ |
| ss = new SecuritySupport12(); |
| } catch (Exception ex) { |
| // ignore it |
| } finally { |
| if (ss == null) |
| ss = new SecuritySupport(); |
| securitySupport = ss; |
| } |
| } |
| |
| /** |
| * Return an appropriate instance of this class, depending on whether |
| * we're on a JDK 1.1 or J2SE 1.2 (or later) system. |
| */ |
| static SecuritySupport getInstance() { |
| return (SecuritySupport)securitySupport; |
| } |
| |
| ClassLoader getContextClassLoader() { |
| return null; |
| } |
| |
| ClassLoader getSystemClassLoader() { |
| return null; |
| } |
| |
| ClassLoader getParentClassLoader(ClassLoader cl) { |
| return null; |
| } |
| |
| String getSystemProperty(String propName) { |
| return System.getProperty(propName); |
| } |
| |
| FileInputStream getFileInputStream(File file) |
| throws FileNotFoundException |
| { |
| return new FileInputStream(file); |
| } |
| |
| InputStream getResourceAsStream(ClassLoader cl, String name) { |
| InputStream ris; |
| if (cl == null) { |
| ris = ClassLoader.getSystemResourceAsStream(name); |
| } else { |
| ris = cl.getResourceAsStream(name); |
| } |
| return ris; |
| } |
| |
| boolean getFileExists(File f) { |
| return f.exists(); |
| } |
| |
| long getLastModified(File f) { |
| return f.lastModified(); |
| } |
| } |