/*
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 * DO NOT REMOVE OR ALTER!
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/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  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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package com.sun.org.apache.xml.internal.serialize;

import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;

import java.security.AccessController;
import java.security.PrivilegedAction;
import java.security.PrivilegedActionException;
import java.security.PrivilegedExceptionAction;

This class is duplicated for each subpackage so keep it in sync. It is package private and therefore is not exposed as part of any API.
@xerces.internal
/** * This class is duplicated for each subpackage so keep it in sync. * It is package private and therefore is not exposed as part of any API. * * @xerces.internal */
final class SecuritySupport { private static final SecuritySupport securitySupport = new SecuritySupport();
Return an instance of this class.
/** * Return an instance of this class. */
static SecuritySupport getInstance() { return securitySupport; } ClassLoader getContextClassLoader() { return (ClassLoader) AccessController.doPrivileged(new PrivilegedAction() { public Object run() { ClassLoader cl = null; try { cl = Thread.currentThread().getContextClassLoader(); } catch (SecurityException ex) { } return cl; } }); } ClassLoader getSystemClassLoader() { return (ClassLoader) AccessController.doPrivileged(new PrivilegedAction() { public Object run() { ClassLoader cl = null; try { cl = ClassLoader.getSystemClassLoader(); } catch (SecurityException ex) {} return cl; } }); } ClassLoader getParentClassLoader(final ClassLoader cl) { return (ClassLoader) AccessController.doPrivileged(new PrivilegedAction() { public Object run() { ClassLoader parent = null; try { parent = cl.getParent(); } catch (SecurityException ex) {} // eliminate loops in case of the boot // ClassLoader returning itself as a parent return (parent == cl) ? null : parent; } }); } String getSystemProperty(final String propName) { return (String) AccessController.doPrivileged(new PrivilegedAction() { public Object run() { return System.getProperty(propName); } }); } FileInputStream getFileInputStream(final File file) throws FileNotFoundException { try { return (FileInputStream) AccessController.doPrivileged(new PrivilegedExceptionAction() { public Object run() throws FileNotFoundException { return new FileInputStream(file); } }); } catch (PrivilegedActionException e) { throw (FileNotFoundException)e.getException(); } } boolean getFileExists(final File f) { return ((Boolean) AccessController.doPrivileged(new PrivilegedAction() { public Object run() { return new Boolean(f.exists()); } })).booleanValue(); } long getLastModified(final File f) { return ((Long) AccessController.doPrivileged(new PrivilegedAction() { public Object run() { return new Long(f.lastModified()); } })).longValue(); } private SecuritySupport () {} }