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* Licensed to the Apache Software Foundation (ASF) under one
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* or more contributor license agreements. See the NOTICE file
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* distributed with this work for additional information
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* regarding copyright ownership. The ASF licenses this file
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* to you under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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* http://www.apache.org/licenses/LICENSE-2.0
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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* $Id: SecuritySupport12.java,v 1.2 2009/12/10 03:18:07 matthewoliver Exp $
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package org.apache.xml.serializer;
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import java.io.FileInputStream;
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import java.io.FileNotFoundException;
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import java.io.InputStream;
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import java.security.AccessController;
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import java.security.PrivilegedAction;
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import java.security.PrivilegedActionException;
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import java.security.PrivilegedExceptionAction;
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* This class is duplicated for each Xalan-Java subpackage so keep it in sync.
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* It is package private and therefore is not exposed as part of the Xalan-Java
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* Security related methods that only work on J2SE 1.2 and newer.
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class SecuritySupport12 extends SecuritySupport {
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ClassLoader getContextClassLoader() {
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AccessController.doPrivileged(new PrivilegedAction() {
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ClassLoader cl = null;
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cl = Thread.currentThread().getContextClassLoader();
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} catch (SecurityException ex) { }
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ClassLoader getSystemClassLoader() {
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AccessController.doPrivileged(new PrivilegedAction() {
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ClassLoader cl = null;
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cl = ClassLoader.getSystemClassLoader();
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} catch (SecurityException ex) {}
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ClassLoader getParentClassLoader(final ClassLoader cl) {
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AccessController.doPrivileged(new PrivilegedAction() {
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ClassLoader parent = null;
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parent = cl.getParent();
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} catch (SecurityException ex) {}
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// eliminate loops in case of the boot
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// ClassLoader returning itself as a parent
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return (parent == cl) ? null : parent;
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String getSystemProperty(final String propName) {
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AccessController.doPrivileged(new PrivilegedAction() {
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return System.getProperty(propName);
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FileInputStream getFileInputStream(final File file)
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throws FileNotFoundException
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return (FileInputStream)
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AccessController.doPrivileged(new PrivilegedExceptionAction() {
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public Object run() throws FileNotFoundException {
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return new FileInputStream(file);
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} catch (PrivilegedActionException e) {
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throw (FileNotFoundException)e.getException();
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InputStream getResourceAsStream(final ClassLoader cl,
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AccessController.doPrivileged(new PrivilegedAction() {
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public Object run() {
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ris = ClassLoader.getSystemResourceAsStream(name);
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ris = cl.getResourceAsStream(name);
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boolean getFileExists(final File f) {
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AccessController.doPrivileged(new PrivilegedAction() {
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public Object run() {
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return new Boolean(f.exists());
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long getLastModified(final File f) {
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AccessController.doPrivileged(new PrivilegedAction() {
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public Object run() {
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return new Long(f.lastModified());