| /** |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| * |
| */ |
| package org.apache.hdt.ui.internal.zookeeper; |
| |
| import java.io.IOException; |
| import java.util.Iterator; |
| |
| import org.apache.hdt.core.internal.model.ZNode; |
| import org.apache.hdt.core.internal.model.ZooKeeperServer; |
| import org.apache.hdt.core.internal.zookeeper.ZooKeeperManager; |
| import org.apache.hdt.core.zookeeper.ZooKeeperClient; |
| import org.apache.log4j.Logger; |
| import org.eclipse.core.runtime.CoreException; |
| import org.eclipse.jface.action.IAction; |
| import org.eclipse.jface.viewers.ISelection; |
| import org.eclipse.jface.viewers.IStructuredSelection; |
| import org.eclipse.ui.IObjectActionDelegate; |
| import org.eclipse.ui.IWorkbenchPart; |
| import org.eclipse.ui.navigator.resources.ProjectExplorer; |
| |
| public class DeleteAction implements IObjectActionDelegate { |
| |
| private final static Logger logger = Logger.getLogger(DeleteAction.class); |
| private ISelection selection; |
| private IWorkbenchPart targetPart; |
| |
| /* |
| * (non-Javadoc) |
| * |
| * @see org.eclipse.ui.IActionDelegate#run(org.eclipse.jface.action.IAction) |
| */ |
| @Override |
| public void run(IAction action) { |
| if (this.selection != null && !this.selection.isEmpty()) { |
| IStructuredSelection sSelection = (IStructuredSelection) this.selection; |
| @SuppressWarnings("rawtypes") |
| Iterator itr = sSelection.iterator(); |
| while (itr.hasNext()) { |
| Object object = itr.next(); |
| if (object instanceof ZooKeeperServer) { |
| ZooKeeperServer r = (ZooKeeperServer) object; |
| if (logger.isDebugEnabled()) |
| logger.debug("Deleting: " + r); |
| try { |
| ZooKeeperManager.INSTANCE.disconnect(r); |
| } finally { |
| try { |
| ZooKeeperManager.INSTANCE.delete(r); |
| } catch (CoreException e) { |
| logger.error(e.getMessage()); |
| } |
| } |
| if (logger.isDebugEnabled()) |
| logger.debug("Deleted: " + r); |
| if (targetPart instanceof ProjectExplorer) { |
| ProjectExplorer pe = (ProjectExplorer) targetPart; |
| pe.getCommonViewer().refresh(); |
| } |
| } else if (object instanceof ZNode) { |
| ZNode zkn = (ZNode) object; |
| if (logger.isDebugEnabled()) |
| logger.debug("Deleting: " + zkn); |
| try { |
| ZooKeeperClient client = ZooKeeperManager.INSTANCE.getClient(zkn.getServer()); |
| client.delete(zkn); |
| } catch (CoreException e) { |
| logger.error(e.getMessage(), e); |
| } catch (IOException e) { |
| logger.error(e.getMessage(), e); |
| } catch (InterruptedException e) { |
| logger.error(e.getMessage(), e); |
| } |
| } |
| } |
| } |
| } |
| |
| /* |
| * (non-Javadoc) |
| * |
| * @see |
| * org.eclipse.ui.IActionDelegate#selectionChanged(org.eclipse.jface.action |
| * .IAction, org.eclipse.jface.viewers.ISelection) |
| */ |
| @Override |
| public void selectionChanged(IAction action, ISelection selection) { |
| this.selection = selection; |
| boolean enabled = true; |
| if (this.selection != null && !this.selection.isEmpty()) { |
| IStructuredSelection sSelection = (IStructuredSelection) this.selection; |
| @SuppressWarnings("rawtypes") |
| Iterator itr = sSelection.iterator(); |
| while (itr.hasNext()) { |
| Object object = itr.next(); |
| enabled = false; |
| if (object instanceof ZooKeeperServer) { |
| ZooKeeperServer server = (ZooKeeperServer) object; |
| enabled = server != null; |
| } else if (object instanceof ZNode) { |
| ZNode zkn = (ZNode) object; |
| enabled = zkn != null; |
| } |
| } |
| } else |
| enabled = false; |
| action.setEnabled(enabled); |
| } |
| |
| /* |
| * (non-Javadoc) |
| * |
| * @see |
| * org.eclipse.ui.IObjectActionDelegate#setActivePart(org.eclipse.jface. |
| * action.IAction, org.eclipse.ui.IWorkbenchPart) |
| */ |
| @Override |
| public void setActivePart(IAction action, IWorkbenchPart targetPart) { |
| this.targetPart = targetPart; |
| } |
| |
| } |