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src/share/jaf_classes/javax/activation/SecuritySupport.java@f3d512b73229 (annotated)

src/share/jaf_classes/javax/activation/SecuritySupport.java

Mon, 08 Aug 2016 13:10:38 -0700

author

asaha

date

Mon, 08 Aug 2016 13:10:38 -0700

changeset 1267

f3d512b73229

parent 0

373ffda63c9a

permissions

-rw-r--r--

Merge

aoqi@0	1	/*
aoqi@0	2	* Copyright (c) 2002, 2005, Oracle and/or its affiliates. All rights reserved.
aoqi@0	3	* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
aoqi@0	4	*
aoqi@0	5	* This code is free software; you can redistribute it and/or modify it
aoqi@0	6	* under the terms of the GNU General Public License version 2 only, as
aoqi@0	7	* published by the Free Software Foundation. Oracle designates this
aoqi@0	8	* particular file as subject to the "Classpath" exception as provided
aoqi@0	9	* by Oracle in the LICENSE file that accompanied this code.
aoqi@0	10	*
aoqi@0	11	* This code is distributed in the hope that it will be useful, but WITHOUT
aoqi@0	12	* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
aoqi@0	13	* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
aoqi@0	14	* version 2 for more details (a copy is included in the LICENSE file that
aoqi@0	15	* accompanied this code).
aoqi@0	16	*
aoqi@0	17	* You should have received a copy of the GNU General Public License version
aoqi@0	18	* 2 along with this work; if not, write to the Free Software Foundation,
aoqi@0	19	* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
aoqi@0	20	*
aoqi@0	21	* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
aoqi@0	22	* or visit www.oracle.com if you need additional information or have any
aoqi@0	23	* questions.
aoqi@0	24	*/
aoqi@0	25
aoqi@0	26	package javax.activation;
aoqi@0	27
aoqi@0	28	import java.security.*;
aoqi@0	29	import java.net.*;
aoqi@0	30	import java.io.*;
aoqi@0	31	import java.util.*;
aoqi@0	32
aoqi@0	33	/**
aoqi@0	34	* Security related methods that only work on J2SE 1.2 and newer.
aoqi@0	35	*
aoqi@0	36	* @since 1.6
aoqi@0	37	*/
aoqi@0	38	class SecuritySupport {
aoqi@0	39
aoqi@0	40	private SecuritySupport() {
aoqi@0	41	// private constructor, can't create an instance
aoqi@0	42	}
aoqi@0	43
aoqi@0	44	public static ClassLoader getContextClassLoader() {
aoqi@0	45	return (ClassLoader)
aoqi@0	46	AccessController.doPrivileged(new PrivilegedAction() {
aoqi@0	47	public Object run() {
aoqi@0	48	ClassLoader cl = null;
aoqi@0	49	try {
aoqi@0	50	cl = Thread.currentThread().getContextClassLoader();
aoqi@0	51	} catch (SecurityException ex) { }
aoqi@0	52	return cl;
aoqi@0	53	}
aoqi@0	54	});
aoqi@0	55	}
aoqi@0	56
aoqi@0	57	public static InputStream getResourceAsStream(final Class c,
aoqi@0	58	final String name) throws IOException {
aoqi@0	59	try {
aoqi@0	60	return (InputStream)
aoqi@0	61	AccessController.doPrivileged(new PrivilegedExceptionAction() {
aoqi@0	62	public Object run() throws IOException {
aoqi@0	63	return c.getResourceAsStream(name);
aoqi@0	64	}
aoqi@0	65	});
aoqi@0	66	} catch (PrivilegedActionException e) {
aoqi@0	67	throw (IOException)e.getException();
aoqi@0	68	}
aoqi@0	69	}
aoqi@0	70
aoqi@0	71	public static URL[] getResources(final ClassLoader cl, final String name) {
aoqi@0	72	return (URL[])
aoqi@0	73	AccessController.doPrivileged(new PrivilegedAction() {
aoqi@0	74	public Object run() {
aoqi@0	75	URL[] ret = null;
aoqi@0	76	try {
aoqi@0	77	List v = new ArrayList();
aoqi@0	78	Enumeration e = cl.getResources(name);
aoqi@0	79	while (e != null && e.hasMoreElements()) {
aoqi@0	80	URL url = (URL)e.nextElement();
aoqi@0	81	if (url != null)
aoqi@0	82	v.add(url);
aoqi@0	83	}
aoqi@0	84	if (v.size() > 0) {
aoqi@0	85	ret = new URL[v.size()];
aoqi@0	86	ret = (URL[])v.toArray(ret);
aoqi@0	87	}
aoqi@0	88	} catch (IOException ioex) {
aoqi@0	89	} catch (SecurityException ex) { }
aoqi@0	90	return ret;
aoqi@0	91	}
aoqi@0	92	});
aoqi@0	93	}
aoqi@0	94
aoqi@0	95	public static URL[] getSystemResources(final String name) {
aoqi@0	96	return (URL[])
aoqi@0	97	AccessController.doPrivileged(new PrivilegedAction() {
aoqi@0	98	public Object run() {
aoqi@0	99	URL[] ret = null;
aoqi@0	100	try {
aoqi@0	101	List v = new ArrayList();
aoqi@0	102	Enumeration e = ClassLoader.getSystemResources(name);
aoqi@0	103	while (e != null && e.hasMoreElements()) {
aoqi@0	104	URL url = (URL)e.nextElement();
aoqi@0	105	if (url != null)
aoqi@0	106	v.add(url);
aoqi@0	107	}
aoqi@0	108	if (v.size() > 0) {
aoqi@0	109	ret = new URL[v.size()];
aoqi@0	110	ret = (URL[])v.toArray(ret);
aoqi@0	111	}
aoqi@0	112	} catch (IOException ioex) {
aoqi@0	113	} catch (SecurityException ex) { }
aoqi@0	114	return ret;
aoqi@0	115	}
aoqi@0	116	});
aoqi@0	117	}
aoqi@0	118
aoqi@0	119	public static InputStream openStream(final URL url) throws IOException {
aoqi@0	120	try {
aoqi@0	121	return (InputStream)
aoqi@0	122	AccessController.doPrivileged(new PrivilegedExceptionAction() {
aoqi@0	123	public Object run() throws IOException {
aoqi@0	124	return url.openStream();
aoqi@0	125	}
aoqi@0	126	});
aoqi@0	127	} catch (PrivilegedActionException e) {
aoqi@0	128	throw (IOException)e.getException();
aoqi@0	129	}
aoqi@0	130	}
aoqi@0	131	}