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.Map; 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.bean.PropertyDefineConstant; import com.clustercontrol.dialog.CommonDialog; import com.clustercontrol.infra.action.GetInfraModuleTableDefine; import com.clustercontrol.infra.dialog.CommandModuleDialog; import com.clustercontrol.infra.dialog.FileTransferModuleDialog; import com.clustercontrol.infra.util.InfraEndpointWrapper; import com.clustercontrol.infra.view.InfraModuleView; import com.clustercontrol.util.HinemosMessage; import com.clustercontrol.util.Messages; import com.clustercontrol.ws.infra.CommandModuleInfo; import com.clustercontrol.ws.infra.FileTransferModuleInfo; import com.clustercontrol.ws.infra.HinemosUnknown_Exception; import com.clustercontrol.ws.infra.InfraManagementInfo; import com.clustercontrol.ws.infra.InfraManagementNotFound_Exception; import com.clustercontrol.ws.infra.InfraModuleInfo; import com.clustercontrol.ws.infra.InvalidRole_Exception; import com.clustercontrol.ws.infra.InvalidUserPass_Exception; import com.clustercontrol.ws.infra.NotifyNotFound_Exception; public class ModifyInfraModuleAction extends AbstractHandler implements IElementUpdater { // private static Log m_log = LogFactory.getLog(ModifyInfraModuleAction.class); /** ID */ public static final String ID = ModifyInfraModuleAction.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 InfraModuleView)) { return null; } InfraModuleView infraModuleView = null; try { infraModuleView = (InfraModuleView) viewPart.getAdapter(InfraModuleView.class); } catch (Exception e) { m_log.info("execute " + e.getMessage()); return null; } if (infraModuleView == null) { m_log.info("execute: view is null"); return null; } StructuredSelection selection = null; String managerName = null; if (infraModuleView.getComposite().getTableViewer().getSelection() instanceof StructuredSelection) { selection = (StructuredSelection) infraModuleView.getComposite().getTableViewer().getSelection(); managerName = infraModuleView.getComposite().getManagerName(); } String moduleId = null; if (selection != null) { moduleId = (String) ((ArrayList<?>) selection.getFirstElement()) .get(GetInfraModuleTableDefine.MODULE_ID); } String managementId = infraModuleView.getComposite().getManagementId(); InfraManagementInfo info = null; try { InfraEndpointWrapper wrapper = InfraEndpointWrapper .getWrapper(infraModuleView.getComposite().getManagerName()); info = wrapper.getInfraManagement(infraModuleView.getComposite().getManagementId()); } catch (InvalidRole_Exception e) { // ??? MessageDialog.openError(null, Messages.getString("failed"), Messages.getString("message.accesscontrol.16")); return null; } catch (HinemosUnknown_Exception | InvalidUserPass_Exception | NotifyNotFound_Exception | InfraManagementNotFound_Exception e) { m_log.debug("execute getInfraManagement, " + e.getMessage()); MessageDialog.openError(null, Messages.getString("failed"), HinemosMessage.replace(e.getMessage())); return null; } InfraModuleInfo module = null; if (info != null && info.getModuleList() != null) { for (InfraModuleInfo tmpModule : info.getModuleList()) { if (tmpModule.getModuleId().equals(moduleId)) { module = tmpModule; break; } } CommonDialog dialog = null; if (moduleId != null) { if (module instanceof CommandModuleInfo) { dialog = new CommandModuleDialog(infraModuleView.getSite().getShell(), managerName, managementId, moduleId, PropertyDefineConstant.MODE_MODIFY); } else if (module instanceof FileTransferModuleInfo) { dialog = new FileTransferModuleDialog(infraModuleView.getSite().getShell(), managerName, managementId, moduleId, PropertyDefineConstant.MODE_MODIFY); } else { throw new InternalError("dialog is null"); } } if (dialog != null) dialog.open(); infraModuleView.update(managerName, managementId); } 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 InfraModuleView) { InfraModuleView view = (InfraModuleView) part.getAdapter(InfraModuleView.class); if (view == null) { m_log.info("execute: view is null"); return; } // 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() == 1) { enable = true; } } this.setBaseEnabled(enable); } else { this.setBaseEnabled(false); } } } @Override public void dispose() { this.viewPart = null; this.window = null; } }