How do I obtain a source file for a Java class and open it in the editor?
Sometimes it is necessary to open source code for a Java file from your NetBeans plug-in. The source code may be located in the currently open projects, in a library or in the platform JRE. It is assumed that libraries and platform JRE have associated sources in your environment. The associations are configured from the Tools > Libraries and Tools > Java Platform menu items. Here is an example of how to find a FileObject corresponding to the class javax.swing.JComponent: String classResource = “javax/swing/JComponent.java”; for (FileObject curRoot : GlobalPathRegistry.getDefault().getSourceRoots()) { FileObject fileObject = curRoot.getFileObject(classResource); if (fileObject != null) { // source file object found // do something, e.g. openEditor(fileObject, lineNumber); return; } } In the if block you can do something with the source file you found. For example, you can open it in the Java editor. DevFaqOpenFileAtLine describes how. How can I open a particular file at a particular lin