Java tutorial
/** * Copyright (C) 2012 BonitaSoft S.A. * BonitaSoft, 32 rue Gustave Eiffel - 38000 Grenoble * 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, either version 2.0 of the License, or * (at your option) any later version. * 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. * You should have received a copy of the GNU General Public License * along with this program. If not, see <http://www.gnu.org/licenses/>. */ package org.bonitasoft.console.client.user.task.action; import static org.bonitasoft.web.toolkit.client.common.i18n.AbstractI18n._; import java.util.ArrayList; import java.util.Map; import org.bonitasoft.console.client.admin.bpm.cases.view.CaseMoreDetailsAdminPage; import org.bonitasoft.console.client.admin.process.view.ProcessListingAdminPage; import org.bonitasoft.console.client.user.cases.view.CaseMoreDetailsPage; import org.bonitasoft.web.rest.model.bpm.process.ProcessItem; import org.bonitasoft.web.rest.model.portal.page.PageItem; import org.bonitasoft.web.toolkit.client.ClientApplicationURL; import org.bonitasoft.web.toolkit.client.ViewController; import org.bonitasoft.web.toolkit.client.common.TreeIndexed; import org.bonitasoft.web.toolkit.client.common.json.JSonSerializer; import org.bonitasoft.web.toolkit.client.common.texttemplate.Arg; import org.bonitasoft.web.toolkit.client.data.api.callback.APICallback; import org.bonitasoft.web.toolkit.client.ui.JsId; import org.bonitasoft.web.toolkit.client.ui.Page; import org.bonitasoft.web.toolkit.client.ui.RawView; import org.bonitasoft.web.toolkit.client.ui.action.Action; import org.bonitasoft.web.toolkit.client.ui.action.popup.PopupCloseAction; import org.bonitasoft.web.toolkit.client.ui.component.Button; import org.bonitasoft.web.toolkit.client.ui.component.Paragraph; import org.bonitasoft.web.toolkit.client.ui.component.containers.Container; import org.bonitasoft.web.toolkit.client.ui.component.form.button.FormSubmitButton; import com.google.gwt.core.client.GWT; import com.google.gwt.http.client.RequestBuilder; import com.google.gwt.http.client.RequestException; import com.google.gwt.http.client.URL; import com.google.gwt.json.client.JSONArray; import com.google.gwt.json.client.JSONObject; import com.google.gwt.json.client.JSONParser; import com.google.gwt.json.client.JSONValue; import com.google.gwt.user.client.Cookies; import com.google.gwt.user.client.History; import com.google.gwt.user.client.Timer; /** * @author Nicolas Tith, Anthony Birembaut */ public class CheckFormMappingAndDisplayProcessInstanciationFormAction extends Action { private static final String ALREADY_STARTED_ARRAY_COOKIE_KEY = "AlreadyStartedProcessId"; private static final String ATTRIBUTE_FORM_MAPPING_TYPE = "type"; private static final String ATTRIBUTE_FORM_MAPPING_TARGET = "target"; private static final String PROCESS_START_FORM_MAPPING = "PROCESS_START"; private static final String NONE_FORM_MAPPING_TARGET = "NONE"; protected final RawView view; public CheckFormMappingAndDisplayProcessInstanciationFormAction(final RawView view) { this.view = view; } @Override public void execute() { final TreeIndexed<String> parameters = view.getParameters(); searchFormMappingForProcess(parameters); } protected void setAlreadyStartedCookie(final String processId) { final String processIdArrayAsString = Cookies.getCookie(ALREADY_STARTED_ARRAY_COOKIE_KEY); final ArrayList<String> processIdArray = new ArrayList<String>(); processIdArray.add(processId); if (processIdArrayAsString != null) { final JSONValue jsonValue = JSONParser.parseStrict(processIdArrayAsString); final JSONArray jsonArray = jsonValue.isArray(); if (jsonArray != null) { for (int i = 0; i < jsonArray.size(); i++) { processIdArray.add(jsonArray.get(i).isString().stringValue()); } } } final String alreadyStartedCookieValue = JSonSerializer.serialize(processIdArray); Cookies.setCookie(ALREADY_STARTED_ARRAY_COOKIE_KEY, alreadyStartedCookieValue); } protected void searchFormMappingForProcess(final TreeIndexed<String> parameters) { final String processId = parameters.getValue(ProcessItem.ATTRIBUTE_ID); RequestBuilder requestBuilder; final String processIdFilter = URL.encodeQueryString(PageItem.ATTRIBUTE_PROCESS_ID + "=" + processId); final String mappingTypeFilter = URL .encodeQueryString(ATTRIBUTE_FORM_MAPPING_TYPE + "=" + PROCESS_START_FORM_MAPPING); requestBuilder = new RequestBuilder(RequestBuilder.GET, "../API/form/mapping?c=10&p=0&f=" + processIdFilter + "&f=" + mappingTypeFilter); requestBuilder.setCallback(new FormMappingCallback(processId, parameters)); try { requestBuilder.send(); } catch (final RequestException e) { GWT.log("Error while creating the from mapping request", e); } } protected class FormMappingCallback extends APICallback { private final String processId; private final TreeIndexed<String> parameters; public FormMappingCallback(final String processId, final TreeIndexed<String> parameters) { this.processId = processId; this.parameters = parameters; } @Override public void onSuccess(final int httpStatusCode, final String response, final Map<String, String> headers) { final JSONValue root = JSONParser.parseLenient(response); final JSONArray formMappings = root.isArray(); if (formMappings.size() == 1) { final JSONValue formMappingValue = formMappings.get(0); final JSONObject formMapping = formMappingValue.isObject(); if (formMapping.containsKey(ATTRIBUTE_FORM_MAPPING_TARGET) && NONE_FORM_MAPPING_TARGET .equals(formMapping.get(ATTRIBUTE_FORM_MAPPING_TARGET).isString().stringValue())) { //skip the form and instantiate the process instantiateProcess(processId, parameters); } else { //display the form setAlreadyStartedCookie(processId); ViewController.closePopup(); ViewController.showView(view.getToken(), parameters); } } else { GWT.log("There is no form mapping for process " + processId); } } @Override public void onError(final String message, final Integer errorCode) { GWT.log("Error while getting the form mapping for process " + processId); super.onError(message, errorCode); } } protected void instantiateProcess(final String processId, final TreeIndexed<String> parameters) { final String processDisplayName = parameters.getValue(ProcessItem.ATTRIBUTE_DISPLAY_NAME); ViewController.showPopup(new StartCaseConfirmationPopup(processId, processDisplayName)); } protected class StartCaseConfirmationPopup extends Page { public final static String TOKEN = "skipProcessForm"; private final String processId; private final String processDisplayName; public StartCaseConfirmationPopup(final String processId, final String processDisplayName) { this.processId = processId; this.processDisplayName = processDisplayName; } @Override public void defineTitle() { this.setTitle(processDisplayName); } @Override public String defineToken() { return TOKEN; } @Override public void buildView() { addBody(new Paragraph(_("You are going to start a new case. No form is needed."))); final Container<Button> formactions = new Container<Button>(); addBody(formactions.addClass("formactions")); formactions.append(new FormSubmitButton(new JsId("btn-primary-action"), _("Start"), _("Start a case"), new Action() { @Override public void execute() { RequestBuilder requestBuilder; requestBuilder = new RequestBuilder(RequestBuilder.POST, "../API/bpm/process/" + processId + "/instantiation"); requestBuilder.setCallback(new InstantiateProcessCallback(processId)); try { requestBuilder.send(); } catch (final RequestException e) { GWT.log("Error while creating the process instantiation request", e); } } }), new Button(_("cancel"), _("Cancel this action"), new PopupCloseAction())); } } protected void redirectToCaseMoredetails(final String caseId) { String caseMoreDetailsToken; if (ProcessListingAdminPage.TOKEN.equals(ClientApplicationURL.getPageToken())) { caseMoreDetailsToken = CaseMoreDetailsAdminPage.TOKEN; } else { caseMoreDetailsToken = CaseMoreDetailsPage.TOKEN; } History.newItem( "?_p=" + caseMoreDetailsToken + "&id=" + caseId + "&_pf=" + ClientApplicationURL.getProfileId()); } protected class InstantiateProcessCallback extends APICallback { private final ProcessInstantiationCallbackBehavior processInstantiationCallbackBehavior; public InstantiateProcessCallback(final String processId) { processInstantiationCallbackBehavior = new ProcessInstantiationCallbackBehavior() { @Override public void onSuccess(final String caseId, final String targetUrlOnSuccess) { if (caseId != null) { final String confirmationMessage = _("The case %caseId% has been started successfully.", new Arg("caseId", caseId)); if (ViewController.hasOpenedPopup()) { ViewController.closePopup(); } showConfirmation(confirmationMessage); } else { GWT.log("caseId is not set"); } final Timer redirectTimer = new Timer() { @Override public void run() { redirectToCaseMoredetails(caseId); } }; redirectTimer.schedule(1500); } }; } @Override public void onSuccess(final int httpStatusCode, final String response, final Map<String, String> headers) { final JSONValue root = JSONParser.parseLenient(response); final JSONObject processInstance = root.isObject(); String caseId = null; final JSONValue caseIdValue = processInstance.get("caseId"); if (caseIdValue != null) { caseId = Double.toString(caseIdValue.isNumber().doubleValue()); } processInstantiationCallbackBehavior.onSuccess(caseId, null); } @Override public void onError(final String message, final Integer errorCode) { processInstantiationCallbackBehavior.onError(message, errorCode); } } }