diff options
author | Sven Gothel <sgothel@jausoft.com> | 2013-12-30 15:37:11 +0100 |
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committer | Sven Gothel <sgothel@jausoft.com> | 2013-12-30 15:37:11 +0100 |
commit | e7356d0bdbce5dd0bfb64b08f1f61ff41778e010 (patch) | |
tree | 4994189a4164ce393ca9bf8e7786a26377cbaa4a /src/java/com/jogamp | |
parent | 5b1cacb04b19be85cb11cbe55c50c960b494ec05 (diff) |
IOUtil: Add convenience compound class 'ClassResources'
Diffstat (limited to 'src/java/com/jogamp')
-rw-r--r-- | src/java/com/jogamp/common/util/IOUtil.java | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/src/java/com/jogamp/common/util/IOUtil.java b/src/java/com/jogamp/common/util/IOUtil.java index bbda235..2bcb58c 100644 --- a/src/java/com/jogamp/common/util/IOUtil.java +++ b/src/java/com/jogamp/common/util/IOUtil.java @@ -635,6 +635,43 @@ public class IOUtil { */ /** + * Helper compound associating a class instance and resource paths + * to be {@link #resolve(int) resolved} at a later time. + */ + public static class ClassResources { + /** Class instance used to {@link #resolve(int)} the {@link #resourcePaths}. */ + public final Class<?> contextCL; + + /** Resource paths, see {@link #resolve(int)}. */ + public final String[] resourcePaths; + + /** Returns the number of resources, i.e. <code>resourcePaths.length</code>. */ + public final int resourceCount() { return resourcePaths.length; } + + /** + * @param contextCL class instance to {@link #resolve(int)} {@link #resourcePaths}. + * @param resourcePaths array of strings denominating multiple resource paths. None shall be null. + */ + public ClassResources(Class<?> contextCL, String[] resourcePaths) { + for(int i=resourcePaths.length-1; i>=0; i--) { + if( null == resourcePaths[i] ) { + throw new IllegalArgumentException("resourcePath["+i+"] is null"); + } + } + this.contextCL = contextCL; + this.resourcePaths = resourcePaths; + } + + /** + * Resolving one of the {@link #resourcePaths} indexed by <code>uriIndex</code> using {@link #contextCL} and {@link IOUtil#getResource(Class, String)}. + * @throws ArrayIndexOutOfBoundsException if <code>uriIndex</code> is < 0 or >= {@link #resourceCount()}. + */ + public URLConnection resolve(int uriIndex) throws ArrayIndexOutOfBoundsException { + return getResource(contextCL, resourcePaths[uriIndex]); + } + } + + /** * Locating a resource using {@link #getResource(String, ClassLoader)}: * <ul> * <li><i>relative</i>: <code>context</code>'s package name-path plus <code>resourcePath</code> via <code>context</code>'s ClassLoader. |