UML软件工程组织

<?xmlversion="1.0" encoding="UTF-8"?> <plugin id="com.example.hello" name="Hello Plug-in" version="1.0.0" provider-name="EXAMPLE" class="com.example.hello.HelloPlugin"> <runtime> <library name="hello.jar"/> </runtime>

packagecom.example.hello.actions; import org.eclipse.ui.plugin.*; import org.eclipse.core.runtime.*; import org.eclipse.core.resources.*; import java.util.*; /** * The main plugin class to be used in the desktop. */ public class HelloPlugin extends AbstractUIPlugin { //The shared instance. private static HelloPlugin plugin; //Resource bundle. private ResourceBundle resourceBundle; /** * The constructor. */ public HelloPlugin(IPluginDescriptor descriptor) { super(descriptor); plugin = this; try { resourceBundle= ResourceBundle.getBundle( "com.example.hello.HelloPluginResources"); } catch (MissingResourceException x) { resourceBundle = null; } } /** * Returns the shared instance. */ public static HelloPlugin getDefault() { return plugin; } /** * Returns the workspace instance. */ public static IWorkspace getWorkspace() { return ResourcesPlugin.getWorkspace(); } /** * Returns the string from the plugin's resource bundle, * or 'key' if not found. */ public static String getResourceString(String key) { ResourceBundle bundle= HelloPlugin.getDefault().getResourceBundle(); try { return bundle.getString(key); } catch (MissingResourceException e) { return key; } } /** * Returns the plugin's resource bundle, */ public ResourceBundle getResourceBundle() { return resourceBundle; } }

package com.example.hello.actions; import org.eclipse.jface.action.IAction; import org.eclipse.jface.viewers.ISelection; import org.eclipse.ui.IWorkbenchWindow; import org.eclipse.ui.IWorkbenchWindowActionDelegate; import org.eclipse.jface.dialogs.MessageDialog; /** * Our sample action implements workbench action delegate. * The action proxy will be created by the workbench and * shown in the UI. When the user tries to use the action, * this delegate will be created and execution will be * delegated to it. * @see IWorkbenchWindowActionDelegate */ public class SampleAction implements IWorkbenchWindowActionDelegate { private IWorkbenchWindow window; /** * The constructor. */ public SampleAction() { } /** * The action has been activated. The argument of the * method represents the 'real' action sitting * in the workbench UI. * @see IWorkbenchWindowActionDelegate#run */ public void run(IAction action) { MessageDialog.openInformation( window.getShell(), "Hello Plug-in", "Hello, Eclipse world"); } /** * Selection in the workbench has been changed. We * can change the state of the 'real' action here * if we want, but this can only happen after * the delegate has been created. * @see IWorkbenchWindowActionDelegate#selectionChanged */ public void selectionChanged(IAction action, ISelection selection) { } /** * We can use this method to dispose of any system * resources we previously allocated. * @see IWorkbenchWindowActionDelegate#dispose */ public void dispose() { } /** * We will cache window object in order to * be able to provide parent shell for the message dialog. * @see IWorkbenchWindowActionDelegate#init */ public void init(IWorkbenchWindow window) { this.window = window; } }