Showing the changes to java/pkg/sun/text/normalizer/ICUData.java (1 of 18352 files). Show all
Unified · Split
| @@ -0,0 +1,83 @@ | ||
| 1 | +/* | |
| 2 | + * Copyright (c) 2005, Oracle and/or its affiliates. All rights reserved. | |
| 3 | + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. | |
| 4 | + * | |
| 5 | + * This code is free software; you can redistribute it and/or modify it | |
| 6 | + * under the terms of the GNU General Public License version 2 only, as | |
| 7 | + * published by the Free Software Foundation. Oracle designates this | |
| 8 | + * particular file as subject to the "Classpath" exception as provided | |
| 9 | + * by Oracle in the LICENSE file that accompanied this code. | |
| 10 | + * | |
| 11 | + * This code is distributed in the hope that it will be useful, but WITHOUT | |
| 12 | + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
| 13 | + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
| 14 | + * version 2 for more details (a copy is included in the LICENSE file that | |
| 15 | + * accompanied this code). | |
| 16 | + * | |
| 17 | + * You should have received a copy of the GNU General Public License version | |
| 18 | + * 2 along with this work; if not, write to the Free Software Foundation, | |
| 19 | + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | |
| 20 | + * | |
| 21 | + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA | |
| 22 | + * or visit www.oracle.com if you need additional information or have any | |
| 23 | + * questions. | |
| 24 | + */ | |
| 25 | + | |
| 26 | +/* | |
| 27 | + ******************************************************************************* | |
| 28 | + * (C) Copyright IBM Corp. 1996-2005 - All Rights Reserved * | |
| 29 | + * * | |
| 30 | + * The original version of this source code and documentation is copyrighted * | |
| 31 | + * and owned by IBM, These materials are provided under terms of a License * | |
| 32 | + * Agreement between IBM and Sun. This technology is protected by multiple * | |
| 33 | + * US and International patents. This notice and attribution to IBM may not * | |
| 34 | + * to removed. * | |
| 35 | + ******************************************************************************* | |
| 36 | + */ | |
| 37 | + | |
| 38 | +package sun.text.normalizer; | |
| 39 | + | |
| 40 | +import java.io.InputStream; | |
| 41 | +import java.net.URL; | |
| 42 | +import java.security.AccessController; | |
| 43 | +import java.security.PrivilegedAction; | |
| 44 | +import java.util.MissingResourceException; | |
| 45 | + | |
| 46 | +/** | |
| 47 | + * Provides access to ICU data files as InputStreams. Implements security checking. | |
| 48 | + */ | |
| 49 | +public final class ICUData { | |
| 50 | + | |
| 51 | + private static InputStream getStream(final Class root, final String resourceName, boolean required) { | |
| 52 | + InputStream i = null; | |
| 53 | + | |
| 54 | + if (System.getSecurityManager() != null) { | |
| 55 | + i = (InputStream)AccessController.doPrivileged(new PrivilegedAction() { | |
| 56 | + public Object run() { | |
| 57 | + return root.getResourceAsStream(resourceName); | |
| 58 | + } | |
| 59 | + }); | |
| 60 | + } else { | |
| 61 | + i = root.getResourceAsStream(resourceName); | |
| 62 | + } | |
| 63 | + | |
| 64 | + if (i == null && required) { | |
| 65 | + throw new MissingResourceException("could not locate data", root.getPackage().getName(), resourceName); | |
| 66 | + } | |
| 67 | + return i; | |
| 68 | + } | |
| 69 | + | |
| 70 | + /* | |
| 71 | + * Convenience override that calls getStream(ICUData.class, resourceName, false); | |
| 72 | + */ | |
| 73 | + public static InputStream getStream(String resourceName) { | |
| 74 | + return getStream(ICUData.class, resourceName, false); | |
| 75 | + } | |
| 76 | + | |
| 77 | + /* | |
| 78 | + * Convenience method that calls getStream(ICUData.class, resourceName, true). | |
| 79 | + */ | |
| 80 | + public static InputStream getRequiredStream(String resourceName) { | |
| 81 | + return getStream(ICUData.class, resourceName, true); | |
| 82 | + } | |
| 83 | +} | |