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POHow to access resources in JAR file?
 

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  1. POHow to access resources in JAR file?
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    <p>I have a Java project with a toolbar, and the toolbar has icons on it. These icons are stored in a folder called resources/, so for example the path might be "resources/icon1.png". This folder is located in my src directory, so when it is compiled the folder is copied into bin/</p> <p>I'm using the following code to access the resources.</p> <pre><code> protected AbstractButton makeToolbarButton(String imageName, String actionCommand, String toolTipText, String altText, boolean toggleButton) { String imgLocation = imageName; InputStream imageStream = getClass().getResourceAsStream(imgLocation); AbstractButton button; if (toggleButton) button = new JToggleButton(); else button = new JButton(); button.setActionCommand(actionCommand); button.setToolTipText(toolTipText); button.addActionListener(listenerClass); if (imageStream != null) { // image found try { byte abyte0[] = new byte[imageStream.available()]; imageStream.read(abyte0); (button).setIcon(new ImageIcon(Toolkit.getDefaultToolkit().createImage(abyte0))); } catch (IOException e) { e.printStackTrace(); } finally { try { imageStream.close(); } catch (IOException e) { e.printStackTrace(); } } } else { // no image found (button).setText(altText); System.err.println("Resource not found: " + imgLocation); } return button; } </code></pre> <p>(imageName will be "resources/icon1.png" etc). This works fine when run in Eclipse. However, when I export a runnable JAR from Eclipse, the icons are not found. </p> <p>I opened the JAR file and the resources folder is there. I've tried everything, moving the folder, altering the JAR file etc, but I cannot get the icons to show up.</p> <p>Does anyone know what I'm doing wrong?</p> <p>(As a side question, is there any file monitor that can work with JAR files? When path problems arise I usually just open FileMon to see what's going on, but it just shows up as accessing the JAR file in this case)</p> <p>Thank you.</p>
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    1. COSo 5 lines of code to load the icon is better, then 2 lines of code? Of course to find out the secret to using 2 lines of code you would actually have to do some reading on your own. I guess the secret will remain hidden.
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