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comparison: hack/util/ResourceLoader.java
hack/util/ResourceLoader.java
- branch
- ICAL4J_EMBED_1
- changeset 18
- 6dcaece8ec41
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| -1:000000000000 | 0:ce08bc646e7e |
|---|---|
| 1 /** | |
| 2 * Copyright (c) 2012, Ben Fortuna | |
| 3 * All rights reserved. | |
| 4 * | |
| 5 * Redistribution and use in source and binary forms, with or without | |
| 6 * modification, are permitted provided that the following conditions | |
| 7 * are met: | |
| 8 * | |
| 9 * o Redistributions of source code must retain the above copyright | |
| 10 * notice, this list of conditions and the following disclaimer. | |
| 11 * | |
| 12 * o Redistributions in binary form must reproduce the above copyright | |
| 13 * notice, this list of conditions and the following disclaimer in the | |
| 14 * documentation and/or other materials provided with the distribution. | |
| 15 * | |
| 16 * o Neither the name of Ben Fortuna nor the names of any other contributors | |
| 17 * may be used to endorse or promote products derived from this software | |
| 18 * without specific prior written permission. | |
| 19 * | |
| 20 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | |
| 21 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | |
| 22 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR | |
| 23 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR | |
| 24 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, | |
| 25 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, | |
| 26 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR | |
| 27 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF | |
| 28 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING | |
| 29 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS | |
| 30 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
| 31 */ | |
| 32 package net.fortuna.ical4j.util; | |
| 33 | |
| 34 import java.io.InputStream; | |
| 35 import java.net.URL; | |
| 36 | |
| 37 import android.util.Log; | |
| 38 | |
| 39 /** | |
| 40 * @author fortuna | |
| 41 * | |
| 42 */ | |
| 43 public class ResourceLoader { | |
| 44 | |
| 45 /** | |
| 46 * Load a resource via the thread context classloader. If security permissions don't allow | |
| 47 * this fallback to loading via current classloader. | |
| 48 * @param name a resource name | |
| 49 * @return a {@link URL} or null if resource is not found | |
| 50 */ | |
| 51 public static URL getResource(String name) { | |
| 52 URL resource = null; | |
| 53 try { | |
| 54 // Hack to bootstrap a multithreaded class loader context | |
| 55 if (Thread.currentThread().getContextClassLoader() == null) | |
| 56 Thread.currentThread().setContextClassLoader(ResourceLoader.class.getClassLoader()); | |
| 57 resource = Thread.currentThread().getContextClassLoader().getResource(name); | |
| 58 | |
| 59 if (resource == null) // Flawed build path for assets, try again | |
| 60 resource = Thread.currentThread().getContextClassLoader().getResource("/" + name); | |
| 61 } | |
| 62 catch (SecurityException e) { | |
| 63 Log.i("MSvB-Hack", "Unable to access context classloader, using default. " + e.getMessage()); | |
| 64 } | |
| 65 catch (Exception e) { | |
| 66 Log.i("MSvB-Hack", "General context classloader error, using default. " + e.getMessage()); | |
| 67 } | |
| 68 if (resource == null) { | |
| 69 resource = ResourceLoader.class.getResource("/" + name); | |
| 70 } | |
| 71 return resource; | |
| 72 } | |
| 73 | |
| 74 /** | |
| 75 * Load a resource via the thread context classloader. If security permissions don't allow | |
| 76 * this fallback to loading via current classloader. | |
| 77 * @param name a resource name | |
| 78 * @return an {@link InputStream} or null if resource is not found | |
| 79 */ | |
| 80 public static InputStream getResourceAsStream(String name) { | |
| 81 InputStream stream = null; | |
| 82 try { | |
| 83 // Hack to bootstrap a multithreaded class loader context | |
| 84 if (Thread.currentThread().getContextClassLoader() == null) | |
| 85 Thread.currentThread().setContextClassLoader(ResourceLoader.class.getClassLoader()); | |
| 86 stream = Thread.currentThread().getContextClassLoader().getResourceAsStream(name); | |
| 87 if (stream == null) | |
| 88 stream = Thread.currentThread().getContextClassLoader().getResourceAsStream("/" + name); | |
| 89 } | |
| 90 catch (SecurityException e) { | |
| 91 Log.i("MSvB-Hack", "Unable to access context classloader, using default. " + e.getMessage()); | |
| 92 } | |
| 93 catch (Exception e) { | |
| 94 Log.i("MSvB-Hack", "General context classloader error, using default. " + e.getMessage()); | |
| 95 } | |
| 96 if (stream == null) { | |
| 97 stream = ResourceLoader.class.getResourceAsStream("/" + name); | |
| 98 } | |
| 99 return stream; | |
| 100 } | |
| 101 } |
