学步园

                
<?xml version="1.0" encoding="UTF-8"?>
<?eclipse version="3.2"?>
<plugin>

   <extension
         point="org.eclipse.ui.actionSets">
      <actionSet
            label="Sample Action Set"
            visible="true"
            id="SnippetsPlugin.actionSet">
         <menu
               label="Sample &Menu"
               id="sampleMenu">
            <separator
                  name="sampleGroup">
            </separator>
         </menu>
         <action
               label="&Sample Action"
               icon="icons/sample.gif"
               class="snippetsplugin.actions.SnippetAction"
               tooltip="Hello, Eclipse world"
               menubarPath="sampleMenu/sampleGroup"
               toolbarPath="sampleGroup"
               id="snippetsplugin.actions.SnippetAction">
         </action>
      </actionSet>
   </extension>
...
</plugin>

                
public void run(IAction action) {
    MessageDialog.openInformation(
        window.getShell(),
        "SnippetsPlugin Plug-in",
        "Hello, Eclipse world");
}

                
<?xml version="1.0" encoding="UTF-8"?>
<?eclipse version="3.2"?>
<plugin>
...
   <extension
         point="org.eclipse.ui.popupMenus">
      <objectContribution
            objectClass="org.eclipse.core.resources.IFile"
            nameFilter="*.*"
            id="SnippetsPlugin.contribution1">
         <menu
               label="Snippet Submenu"
               path="additions"
               id="SnippetsPlugin.menu1">
            <separator
                  name="group1">
            </separator>
         </menu>
         <action
               label="New Action"
               class="snippetsplugin.popup.actions.SnippetPopupAction"
               menubarPath="SnippetsPlugin.menu1/group1"
               enablesFor="1"
               id="SnippetsPlugin.newAction">
         </action>
      </objectContribution>
   </extension>
...
</plugin>

                
public void run(IAction action) {
    Shell shell = new Shell();
    MessageDialog.openInformation(
        shell,
        "SnippetsPlugin Plug-in",
        "New Action was executed.");
}

                
    public void run(IAction action) {
        MessageDialog.openInformation(
            window.getShell(),
            "SnippetsPlugin Plug-in",
            "Hello, Eclipse world");
    }

                
<menu
      label="Sample &Menu"
      id="sampleMenu">
   <separator
         name="sampleGroup">
   </separator>
</menu>
<action
      label="&Sample Action"
      icon="icons/sample.gif"
      class="snippetsplugin.actions.SnippetAction"
      tooltip="Hello, Eclipse world"
      menubarPath="sampleMenu/sampleGroup"
      toolbarPath="sampleGroup"
      id="snippetsplugin.actions.SnippetAction">
</action>

                
public void createFieldEditors() {
    addField(new DirectoryFieldEditor(PreferenceConstants.P_PATH, 
            "&Directory preference:", getFieldEditorParent()));
    addField(
        new BooleanFieldEditor(
            PreferenceConstants.P_BOOLEAN,
            "&An example of a boolean preference",
            getFieldEditorParent()));

    addField(new RadioGroupFieldEditor(
            PreferenceConstants.P_CHOICE,
        "An example of a multiple-choice preference",
        1,
        new String[][] { { "&Choice 1", "choice1" }, {
            "C&hoice 2", "choice2" }
    }, getFieldEditorParent()));
    addField(
        new StringFieldEditor(PreferenceConstants.P_STRING, 
        "A &text preference:", getFieldEditorParent()));
}

                
    private void makeActions() {
        action1 = new Action() {
            public void run() {
                showMessage("Action 1 executed");
            }
        };
        action1.setText("Action 1");
        action1.setToolTipText("Action 1 tooltip");
        action1.setImageDescriptor(PlatformUI.getWorkbench().getSharedImages().
            getImageDescriptor(ISharedImages.IMG_OBJS_INFO_TSK));
        
        action2 = new Action() {
            public void run() {
                showMessage("Action 2 executed");
            }
        };
        action2.setText("Action 2");
        action2.setToolTipText("Action 2 tooltip");
        action2.setImageDescriptor(PlatformUI.getWorkbench().getSharedImages().
                getImageDescriptor(ISharedImages.IMG_OBJS_INFO_TSK));
        doubleClickAction = new Action() {
            public void run() {
                ISelection selection = viewer.getSelection();
                Object obj = ((IStructuredSelection)selection).getFirstElement();
                showMessage("Double-click detected on "+obj.toString());
            }
        };
    }

                
public interface SnippetProvider {
    
    public String[] getLanguages() throws SnippetProviderException;
    public String[] getCategories(String language) throws SnippetProviderException;
    public SnippetInfo[] getSnippetInfo(String language, String category) 
      throws SnippetProviderException;
    public Snippet getSnippet(SnippetInfo info);
    public void configure(Properties props) throws SnippetProviderConfigurationException;

}

                
    public void configure(Properties props)
            throws SnippetProviderConfigurationException {
        this.properties = props;
        String uriPath = "";
        if (baseUri == null) {
            try {
                uriPath = properties
                        .getProperty("snippetFileProvider.base.directory");

                if (uriPath == null || uriPath.length() == 0) {
                    throw new SnippetProviderConfigurationException(
                            "Please supply a value for property " +
                            "'snippetFileProvider.base.directory'");
                }

                baseUri = new URI(uriPath);

            } catch (URISyntaxException urie) {
                throw new SnippetProviderConfigurationException("URI '"
                        + uriPath + "' incorrectly formatted.", urie);
            }
        }
    }

                
    public String[] getLanguages() throws SnippetProviderException {
        /*
         * The languages will be the high-level directories right underneath the
         * base directory.
         */
        if (languages == null) {

            languages = getFormattedNamesFromLocation(getBaseUri());
        }
        return languages;
    }

                
    public String[] getCategories(String language)
            throws SnippetProviderException {
        try {
            return getFormattedNamesFromLocation(new URI(getBaseUri().getPath()
                    + "/" + language));
        } catch (URISyntaxException e) {
            throw new SnippetProviderException(
                    "Error while loading the categories", e);
        }
    }

                
    public SnippetInfo[] getSnippetInfo(String language, String category)
            throws SnippetProviderException {
        /* Dehydrate the snippet info from the filesystem */
        XMLDecoder decoder = null;
        SnippetInfo[] snippetInfo = null;

        try {
            decoder = new XMLDecoder(new BufferedInputStream(
                    new FileInputStream(buildSnippetInfoPath(getBaseUri(),
                            language, category))));
            snippetInfo = (SnippetInfo[]) decoder.readObject();

        } catch (FileNotFoundException e) {
            throw new SnippetProviderException(
                    "Could not load the snippet info index.", e);
        } finally {
            if (decoder != null) {
                decoder.close();
            }
            decoder = null;
        }

        return snippetInfo;
    }
    
    public Snippet getSnippet(SnippetInfo info) {
        Snippet snippet = null;

        String snippetPath = buildSnippetPath(getBaseUri(), info);

        /* Load the snippet from the file */
        BufferedInputStream stream = null;
        BufferedReader reader = null;
        try {
            stream = new BufferedInputStream(new FileInputStream(snippetPath));
            reader = new BufferedReader(new InputStreamReader(
                    stream));
            String line;
            StringBuffer sb = new StringBuffer();
            while ((line = reader.readLine()) != null) {
                sb.append(line);
                sb.append("/n");
            }
            
            snippet = new Snippet();
            snippet.setContent(sb.toString());
            
            sb = null;
            
        } catch (FileNotFoundException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        } catch (IOException ioe) {
            // TODO Auto-generated catch block
            ioe.printStackTrace();
        }
        finally
        {
            try {
                if (reader != null) {
                    reader.close();
                }
                if (stream != null) {
                    stream.close();
                }
            } catch (IOException ioe) {
            }
        }

        return snippet;
    }

                
  private void initialize() {

      invisibleRoot = new TreeParent("");

      /*
       * Get the high-level elements from the provider, which are the
       * languages.
       */
      String[] topLevelNodes;

      try {

          Properties properties = new Properties();

          InputStream is = null;

          is = SnippetProviderFactory.class
                  .getResourceAsStream("/SnippetProvider.properties");
          properties.load(is);

          if (is != null) {
              try {
                  is.close();
              } catch (IOException innerE) {
                  throw new SnippetProviderException(
                          "Could not close resource stream.", innerE);
              }
          }

          snippetProvider = SnippetProviderFactory.createInstance();
          snippetProvider.configure(properties);
          topLevelNodes = snippetProvider.getLanguages();

          for (int i = 0; i < topLevelNodes.length; i++) {
              TreeParent parent = new TreeParent(topLevelNodes[i]);

              /* Get the categories for each one of the parents */
              String[] categories = snippetProvider
                      .getCategories(topLevelNodes[i]);
              for (int j = 0; j < categories.length; j++) {
                  TreeParent categoryParent = new TreeParent(
                          categories[j]);

                  /* Now get the snippet names for the categories */
                  SnippetInfo[] info = snippetProvider.getSnippetInfo(
                          topLevelNodes[i], categories[j]);

                  for (int k = 0; k < info.length; k++) {
                      TreeObject leaf = new TreeObject(info[k]);
                      categoryParent.addChild(leaf);
                  }

                  parent.addChild(categoryParent);
              }

              invisibleRoot.addChild(parent);
          }

      } catch (SnippetProviderConfigurationException spce) {
          topLevelNodes = new String[] { "Configuration error:  "
                  + spce.getLocalizedMessage() };
      } catch (SnippetProviderException spe) {
          topLevelNodes = new String[] { "Error while loading snippets" };
      } catch (IOException ioe) {
          topLevelNodes = new String[] { "Error loading configuration properties:"
                  + ioe.getLocalizedMessage() };
      }

  }

                
    class TreeObject implements IAdaptable {
        private SnippetInfo info;

        private TreeParent parent;

        public TreeObject(SnippetInfo info) {
            this.info = info;
        }

        public String getName() {
            return info.getName();
        }

        public void setParent(TreeParent parent) {
            this.parent = parent;
        }

        public TreeParent getParent() {
            return parent;
        }

        public String toString() {
            return getName();
        }

        public SnippetInfo getInfo() {
            return info;
        }

        public Object getAdapter(Class key) {
            return null;
        }
    }

                
    class TreeParent extends TreeObject {
        private ArrayList children;

        private String name;

        public TreeParent(String name) {
            super(null);
            this.name = name;
            children = new ArrayList();
        }

        @SuppressWarnings("unchecked")
        public void addChild(TreeObject child) {
            children.add(child);
            child.setParent(this);
        }

        public void removeChild(TreeObject child) {
            children.remove(child);
            child.setParent(null);
        }

        @SuppressWarnings("unchecked")
        public TreeObject[] getChildren() {
            return (TreeObject[]) children.toArray(new TreeObject[children
                    .size()]);
        }

        public boolean hasChildren() {
            return children.size() > 0;
        }

        @Override
        public String getName() {
            // TODO Auto-generated method stub
            return this.name;
        }

        @Override
        public String toString() {
            return this.getName();
        }
    }

                
<?xml version="1.0" encoding="UTF-8"?> 
<java version="1.5.0_07" class="java.beans.XMLDecoder"> 
 <array class="com.example.plugins.snippets.SnippetInfo" length="1"> 
  <void index="0"> 
   <object class="com.example.plugins.snippets.SnippetInfo"> 
    <void property="category"> 
     <string>Exception_Handling</string> 
    </void> 
    <void property="language"> 
     <string>Java</string> 
    </void> 
    <void property="name"> 
     <string>Exception class</string> 
    </void> 
    <void property="variables"> 
     <array class="java.lang.String" length="3"> 
      <void index="0"> 
       <string>exception.classname</string> 
      </void> 
      <void index="1"> 
       <string>author</string> 
      </void> 
      <void index="2"> 
       <string>package.name</string> 
      </void> 
     </array> 
    </void> 
   </object> 
  </void> 
 </array> 
</java> 

                
+- basedir
 +- Java
 | +- Exception_Handling
 |   +- snippets.info
 |   +- Exception_Class.snippet
 +- XML
   +- Ant_Build_Files
     +- snippets.info
     +- Simple_File.snippet

                
class InsertSnippetAction extends Action {

    @Override
    public void run() {
        MessageDialog.openInformation(
            window.getShell(),
            "SnippetsSample Plug-in",
            "Running Insert Action Now!");
    }
}

public class SnippetsView extends ViewPart implements ISelectionListener {

    private TreeViewer viewer;

    private DrillDownAdapter drillDownAdapter;
    private InsertSnippetAction insertAction;
    private SnippetProvider snippetProvider;
    class InsertSnippetAction extends Action {

        // Snipped...

    }
    class TreeObject implements IAdaptable {

        // Snipped...

    }
    class TreeParent extends TreeObject {

        // Snipped...

    }
    class ViewContentProvider implements IStructuredContentProvider,

            ITreeContentProvider {

        private TreeParent invisibleRoot;
        public void inputChanged(Viewer v, Object oldInput, Object newInput) {

        }
        public void dispose() {

        }
        public Object[] getElements(Object parent) {

            if (parent.equals(getViewSite())) {

                if (invisibleRoot == n











														
							
			

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			【上篇】谷歌拼音输入法的安全漏洞
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作者: rood
				
			
			
				

					
该日志由 rood 于11年前发表在综合分类下，最后更新于 2013年08月09日.
					
转载请注明: 为 Eclipse 构建片段扩展 | 学步园 +复制链接
					

				
			
			
			
			

		
		

			
			
		
		
	

	
			
		
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