Showing the changes to java/pkg/sun/text/normalizer/ICUData.java (1 of 18352 files). Show all
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| 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 | } | ||