StackOverflow2013

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plurals

PO
primarykey
Id
2231795
data
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0
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CreationDate
2010-02-09T19:18:48.750
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2010-02-09T19:24:29.813
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2010-02-09T19:24:29.813
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267197
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267197
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2231411
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2
Score
1
ViewCount
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LastEditorDisplayName
text
Body
You can do it in two ways: <ol> <li>Rename your images, so you can enumerate them via some algorithm (e.g. <code>image_1</code>, <code>image_2</code>, <code>image_3</code>), then you can collect all resources you need in one go.</li> <li>Otherwise you need to code a lot. The idea is that you have to: <ul> <li>determine the path to your JAR file: <pre><code>private static final String ANCHOR_NAME = "some resource you know"; URL location = getClass().getClassLoader().getResource(ANCHOR_NAME); URL jarLocation; String protocol = location.getProtocol(); if (protocol.equalsIgnoreCase("jar")) { String path = location.getPath(); int index = path.lastIndexOf("!/" + ANCHOR_NAME); if(index != -1) jarLocation = new URL(path.substring(0, index)); } if (protocol.equalsIgnoreCase("file")) { String string = location.toString(); int index = string.lastIndexOf(ANCHOR_NAME); if(index != -1) jarLocation = new URL(string.substring(0, index)); } </code></pre></li> <li>open it as <code>java.util.jar.JarFile</code> <pre><code>JarFile jarFile = new JarFile(jarLocation); </code></pre></li> <li>iterate through all entries and match their name with a given mask <pre><code>for (Enumeration entries = jarFile.entries(); entries.hasMoreElements();) { JarEntry entry = (JarEntry) entries.nextElement(); String entryPath = entry.getName(); if (entryPath.endsWith(".jpg")) { // do something with it } } </code></pre></li> </ul></li> </ol> For additional code support, I will refer you to Spring <a href="http://www.jarvana.com/jarvana/view/org/springframework/spring-core/2.5.6/spring-core-2.5.6-sources.jar!/org/springframework/core/io/support/PathMatchingResourcePatternResolver.java?format=ok" rel="nofollow noreferrer">PathMatchingResourcePatternResolver#doFindPathMatchingJarResources()</a>.
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1. POLoading all files in a directory in a Java applet
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