Java tutorial
/** * Copyright 2015 Electric Cloud, Inc. * * Licensed 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. */ // ConfigurationList.java -- // // ConfigurationList.java is part of ElectricCommander. // // Copyright (c) 2005-2012 Electric Cloud, Inc. // All rights reserved. // package ecplugins.esx.client; import java.util.HashMap; import java.util.Map; import com.google.gwt.event.dom.client.ClickHandler; import com.google.gwt.http.client.Request; import com.google.gwt.http.client.RequestCallback; import com.google.gwt.http.client.RequestException; import com.google.gwt.http.client.Response; import com.google.gwt.user.client.Window.Location; import com.google.gwt.user.client.ui.Anchor; import com.google.gwt.user.client.ui.Label; import com.google.gwt.user.client.ui.Widget; import com.electriccloud.commander.client.ChainedCallback; import com.electriccloud.commander.client.requests.RunProcedureRequest; import com.electriccloud.commander.client.responses.DefaultRunProcedureResponseCallback; import com.electriccloud.commander.client.responses.RunProcedureResponse; import com.electriccloud.commander.gwt.client.requests.CgiRequestProxy; import com.electriccloud.commander.gwt.client.ui.ListTable; import com.electriccloud.commander.gwt.client.ui.SimpleErrorBox; import com.electriccloud.commander.gwt.client.util.CommanderUrlBuilder; import ecinternal.client.DialogClickHandler; import ecinternal.client.ListBase; import static com.electriccloud.commander.gwt.client.util.CommanderUrlBuilder.createPageUrl; import static com.electriccloud.commander.gwt.client.util.CommanderUrlBuilder.createRedirectUrl; import static ecinternal.client.InternalComponentBaseFactory.getPluginName; /** * EC-ESX Configuration List. */ public class ConfigurationList extends ListBase { //~ Instance fields -------------------------------------------------------- private ESXConfigList m_configList; //~ Constructors ----------------------------------------------------------- public ConfigurationList() { super("ecgc", "ESX Configurations", "All Configurations"); m_configList = new ESXConfigList(); } //~ Methods ---------------------------------------------------------------- @Override protected Anchor constructCreateLink() { CommanderUrlBuilder urlBuilder = createPageUrl(getPluginName(), "newConfiguration"); urlBuilder.setParameter("redirectTo", createRedirectUrl().buildString()); return new Anchor("Create Configuration", urlBuilder.buildString()); } @Override protected void load() { setStatus("Loading..."); ESXConfigListLoader loader = new ESXConfigListLoader(m_configList, this, new ChainedCallback() { @Override public void onComplete() { loadList(); } }); loader.load(); } private void deleteConfiguration(String configName) { setStatus("Deleting..."); clearErrorMessages(); // Build runProcedure request RunProcedureRequest request = getRequestFactory().createRunProcedureRequest(); request.setProjectName("/plugins/EC-ESX/project"); request.setProcedureName("DeleteConfiguration"); request.addActualParameter("config", configName); request.setCallback(new DefaultRunProcedureResponseCallback(this) { @Override public void handleResponse(RunProcedureResponse response) { if (getLog().isDebugEnabled()) { getLog().debug("Commander runProcedure request returned jobId: " + response.getJobId()); } waitForJob(response.getJobId().toString()); } }); // Launch the procedure if (getLog().isDebugEnabled()) { getLog().debug("Issuing Commander request: " + request); } doRequest(request); } private void loadList() { ListTable listTable = getListTable(); if (!m_configList.isEmpty()) { listTable.addHeaderRow(true, "Configuration Name", "Url"); } for (String configName : m_configList.getConfigNames()) { // Config name Label configNameLabel = new Label(configName); // Url String configUrl = m_configList.getConfigUrl(configName); Label configUrlLabel = new Label(configUrl); // "Edit" link CommanderUrlBuilder urlBuilder = createPageUrl(getPluginName(), "editConfiguration"); urlBuilder.setParameter("configName", configName); urlBuilder.setParameter("redirectTo", createRedirectUrl().buildString()); Anchor editConfigLink = new Anchor("Edit", urlBuilder.buildString()); // "Delete" link Anchor deleteConfigLink = new Anchor("Delete"); ClickHandler dch = new DialogClickHandler(new DeleteConfirmationDialog(configName, "Are you sure you want to delete the ESX configuration '" + configName + "'?") { @Override protected void doDelete() { deleteConfiguration(m_objectId); } }); deleteConfigLink.addClickHandler(dch); // Add the row editConfigLink.getElement().setId(getIdPrefix() + "-edit"); deleteConfigLink.getElement().setId(getIdPrefix() + "-delete"); Widget actions = getUIFactory().constructActionList(editConfigLink, deleteConfigLink); listTable.addRow(configNameLabel, configUrlLabel, actions); } clearStatus(); } private void waitForJob(final String jobId) { CgiRequestProxy cgiRequestProxy = new CgiRequestProxy(getPluginName(), "esxMonitor.cgi"); Map<String, String> cgiParams = new HashMap<String, String>(); cgiParams.put("jobId", jobId); // Pass debug flag to CGI, which will use it to determine whether to // clean up a successful job if ("1".equals(getGetParameter("debug"))) { cgiParams.put("debug", "1"); } try { cgiRequestProxy.issueGetRequest(cgiParams, new RequestCallback() { @Override public void onError(Request request, Throwable exception) { addErrorMessage("CGI request failed:: ", exception); } @Override public void onResponseReceived(Request request, Response response) { String responseString = response.getText(); if (getLog().isDebugEnabled()) { getLog().debug("CGI response received: " + responseString); } if (responseString.startsWith("Success")) { // We're done! Location.reload(); } else { SimpleErrorBox error = getUIFactory().createSimpleErrorBox( "Error occurred during configuration deletion: " + responseString); CommanderUrlBuilder urlBuilder = CommanderUrlBuilder.createUrl("jobDetails.php") .setParameter("jobId", jobId); error.add(new Anchor("(See job for details)", urlBuilder.buildString())); addErrorMessage(error); } } }); } catch (RequestException e) { addErrorMessage("CGI request failed:: ", e); } } }