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xml-commons External Source Code Files
xml-commons External Source Code Files are provided in the source package file, xml-commons-external-1.4.01-src.zip.
You can download xml-commons-external-1.4.01-src.zip as described in the previous tutorial
You can also browse xml-commons External Source Code below:
✍: FYIcenter
⏎ javax/xml/validation/SecuritySupport.java
/* * 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 * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ // $Id: SecuritySupport.java 522337 2007-03-25 20:03:27Z mrglavas $ package javax.xml.validation; import java.io.File; import java.io.FileInputStream; import java.io.FileNotFoundException; import java.io.IOException; import java.io.InputStream; import java.net.URL; import java.security.AccessController; import java.security.PrivilegedAction; import java.security.PrivilegedActionException; import java.security.PrivilegedExceptionAction; import java.util.Enumeration; /** * This class is duplicated for each JAXP subpackage so keep it in sync. * It is package private and therefore is not exposed as part of the JAXP * API. * * Security related methods that only work on J2SE 1.2 and newer. */ final class SecuritySupport { private SecuritySupport() {} static ClassLoader getContextClassLoader() { return (ClassLoader) AccessController.doPrivileged(new PrivilegedAction() { public Object run() { ClassLoader cl = null; try { cl = Thread.currentThread().getContextClassLoader(); } catch (SecurityException ex) { } return cl; } }); } static String getSystemProperty(final String propName) { return (String) AccessController.doPrivileged(new PrivilegedAction() { public Object run() { return System.getProperty(propName); } }); } static 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(); } } static InputStream getURLInputStream(final URL url) throws IOException { try { return (InputStream) AccessController.doPrivileged(new PrivilegedExceptionAction() { public Object run() throws IOException { return url.openStream(); } }); } catch (PrivilegedActionException e) { throw (IOException)e.getException(); } } static URL getResourceAsURL(final ClassLoader cl, final String name) { return (URL) AccessController.doPrivileged(new PrivilegedAction() { public Object run() { URL url; if (cl == null) { url = ClassLoader.getSystemResource(name); } else { url = cl.getResource(name); } return url; } }); } static Enumeration getResources(final ClassLoader cl, final String name) throws IOException { try{ return (Enumeration) AccessController.doPrivileged(new PrivilegedExceptionAction() { public Object run() throws IOException{ Enumeration enumeration; if (cl == null) { enumeration = ClassLoader.getSystemResources(name); } else { enumeration = cl.getResources(name); } return enumeration; } }); }catch(PrivilegedActionException e){ throw (IOException)e.getException(); } } static InputStream getResourceAsStream(final ClassLoader cl, final String name) { return (InputStream) AccessController.doPrivileged(new PrivilegedAction() { public Object run() { InputStream ris; if (cl == null) { ris = ClassLoader.getSystemResourceAsStream(name); } else { ris = cl.getResourceAsStream(name); } return ris; } }); } static boolean doesFileExist(final File f) { return ((Boolean) AccessController.doPrivileged(new PrivilegedAction() { public Object run() { return f.exists() ? Boolean.TRUE : Boolean.FALSE; } })).booleanValue(); } }
⏎ javax/xml/validation/SecuritySupport.java
⇒ Donwload xml-commons-external-1.3.05-bin.zip
⇐ Download and Install xml-commons External Source Package
2009-01-25, 31129👍, 0💬
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