Java tutorial
/* Copyright (C) 2014 NTT DATA Corporation This program is free software; you can redistribute it and/or Modify it under the terms of the GNU General Public License as published by the Free Software Foundation, version 2. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. */ package com.clustercontrol.infra.view.action; import java.util.ArrayList; import java.util.List; import java.util.Map; import java.util.concurrent.ConcurrentHashMap; import org.apache.commons.logging.Log; import org.apache.commons.logging.LogFactory; import org.eclipse.core.commands.AbstractHandler; import org.eclipse.core.commands.ExecutionEvent; import org.eclipse.core.commands.ExecutionException; import org.eclipse.jface.dialogs.MessageDialog; import org.eclipse.jface.viewers.StructuredSelection; import org.eclipse.ui.IWorkbenchPage; import org.eclipse.ui.IWorkbenchPart; import org.eclipse.ui.IWorkbenchWindow; import org.eclipse.ui.PlatformUI; import org.eclipse.ui.commands.IElementUpdater; import org.eclipse.ui.handlers.HandlerUtil; import org.eclipse.ui.menus.UIElement; import com.clustercontrol.infra.action.GetInfraManagementTableDefine; import com.clustercontrol.infra.util.InfraEndpointWrapper; import com.clustercontrol.infra.view.InfraManagementView; import com.clustercontrol.util.HinemosMessage; import com.clustercontrol.util.Messages; import com.clustercontrol.util.UIManager; import com.clustercontrol.ws.infra.HinemosUnknown_Exception; import com.clustercontrol.ws.infra.InfraManagementNotFound_Exception; import com.clustercontrol.ws.infra.InvalidRole_Exception; import com.clustercontrol.ws.infra.InvalidUserPass_Exception; import com.clustercontrol.ws.infra.NotifyNotFound_Exception; public class DeleteInfraManagementAction extends AbstractHandler implements IElementUpdater { // private static Log m_log = LogFactory.getLog(DeleteInfraManagementAction.class); /** ID */ public static final String ID = DeleteInfraManagementAction.class.getName(); /** dispose*/ private IWorkbenchWindow window; /** */ private IWorkbenchPart viewPart; @Override public Object execute(ExecutionEvent event) throws ExecutionException { this.window = HandlerUtil.getActiveWorkbenchWindow(event); // In case this action has been disposed if (null == this.window || !isEnabled()) { return null; } // ??? this.viewPart = HandlerUtil.getActivePart(event); if (!(viewPart instanceof InfraManagementView)) { return null; } InfraManagementView view = (InfraManagementView) viewPart; StructuredSelection selection = null; if (view.getComposite().getTableViewer().getSelection() instanceof StructuredSelection) { selection = (StructuredSelection) view.getComposite().getTableViewer().getSelection(); } StringBuffer strManagementIds = new StringBuffer(); String tmpManagementId = null; Map<String, List<String>> map = new ConcurrentHashMap<String, List<String>>(); if (selection != null) { for (Object object : selection.toList()) { String managerName = (String) ((ArrayList<?>) object) .get(GetInfraManagementTableDefine.MANAGER_NAME); if (map.get(managerName) == null) { map.put(managerName, new ArrayList<String>()); } } for (Object object : selection.toList()) { String managerName = (String) ((ArrayList<?>) object) .get(GetInfraManagementTableDefine.MANAGER_NAME); tmpManagementId = (String) ((ArrayList<?>) object).get(GetInfraManagementTableDefine.MANAGEMENT_ID); map.get(managerName).add(tmpManagementId); strManagementIds.append(tmpManagementId + ", "); } strManagementIds.setLength(strManagementIds.length() - 2); if (MessageDialog.openConfirm(null, Messages.getString("confirmed"), Messages.getString("message.infra.confirm.action", new Object[] { Messages.getString("infra.management.id"), Messages.getString("delete"), strManagementIds }))) { Map<String, String> errMsg = new ConcurrentHashMap<String, String>(); for (Map.Entry<String, List<String>> entry : map.entrySet()) { String managerName = entry.getKey(); InfraEndpointWrapper wrapper = InfraEndpointWrapper.getWrapper(managerName); List<String> managementIds = entry.getValue(); try { wrapper.deleteInfraManagement(managementIds); } catch (InvalidRole_Exception e) { // ??? errMsg.put(managerName, Messages.getString("message.accesscontrol.16")); } catch (InfraManagementNotFound_Exception | HinemosUnknown_Exception | InvalidUserPass_Exception | NotifyNotFound_Exception e) { m_log.debug("execute() : " + e.getClass() + e.getMessage()); String arg = Messages.getString("message.infra.action.result", new Object[] { Messages.getString("infra.management.id"), Messages.getString("delete"), Messages.getString("failed"), HinemosMessage.replace(e.getMessage()) }); errMsg.put(managerName, arg); } } if (errMsg.isEmpty()) { MessageDialog.openInformation(null, Messages.getString("confirmed"), Messages.getString("message.infra.action.result", new Object[] { Messages.getString("infra.management.id"), Messages.getString("delete"), Messages.getString("successful"), strManagementIds })); } else { UIManager.showMessageBox(errMsg, true); } view.update(); } } return null; } @Override public void updateElement(UIElement element, @SuppressWarnings("rawtypes") Map parameters) { boolean enable = false; IWorkbenchWindow window = PlatformUI.getWorkbench().getActiveWorkbenchWindow(); // page may not start at state restoring if (null != window) { IWorkbenchPage page = window.getActivePage(); if (null != page) { IWorkbenchPart part = page.getActivePart(); if (part instanceof InfraManagementView) { InfraManagementView view = (InfraManagementView) part; // Enable button when 1 item is selected StructuredSelection selection = null; if (view.getComposite().getTableViewer().getSelection() instanceof StructuredSelection) { selection = (StructuredSelection) view.getComposite().getTableViewer().getSelection(); } if (selection != null && selection.size() > 0) { enable = true; } } this.setBaseEnabled(enable); } else { this.setBaseEnabled(false); } } } /** * Dispose */ @Override public void dispose() { this.viewPart = null; this.window = null; } }