Java tutorial
/** * * geo-platform * Rich webgis framework * http://geo-platform.org * ==================================================================== * * Copyright (C) 2008-2019 geoSDI Group (CNR IMAA - Potenza - ITALY). * * 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 3 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/ * * ==================================================================== * * Linking this library statically or dynamically with other modules is * making a combined work based on this library. Thus, the terms and * conditions of the GNU General Public License cover the whole combination. * * As a special exception, the copyright holders of this library give you permission * to link this library with independent modules to produce an executable, regardless * of the license terms of these independent modules, and to copy and distribute * the resulting executable under terms of your choice, provided that you also meet, * for each linked independent module, the terms and conditions of the license of * that module. An independent module is a module which is not derived from or * based on this library. If you modify this library, you may extend this exception * to your version of the library, but you are not obligated to do so. If you do not * wish to do so, delete this exception statement from your version. */ package org.geosdi.geoplatform.gui.client.action.menu; import com.extjs.gxt.ui.client.event.MenuEvent; import com.google.gwt.core.client.GWT; import com.google.gwt.user.client.Window; import com.google.gwt.user.client.rpc.AsyncCallback; import com.google.gwt.user.client.rpc.HasRpcToken; import com.google.gwt.user.client.rpc.RpcTokenException; import com.google.gwt.user.client.rpc.XsrfToken; import com.google.gwt.user.client.ui.AbstractImagePrototype; import org.geosdi.geoplatform.gui.action.menu.MenuBaseAction; import org.geosdi.geoplatform.gui.client.CatalogFinderWidgetResources; import org.geosdi.geoplatform.gui.client.i18n.CatalogFinderConstants; import org.geosdi.geoplatform.gui.client.i18n.CatalogFinderMessages; import org.geosdi.geoplatform.gui.client.model.FullRecord; import org.geosdi.geoplatform.gui.client.puregwt.event.StatusWidgetEvent; import org.geosdi.geoplatform.gui.client.service.GPCatalogFinderRemote; import org.geosdi.geoplatform.gui.client.service.GPCatalogFinderRemoteAsync; import org.geosdi.geoplatform.gui.client.widget.components.search.pagination.RecordsContainer; import org.geosdi.geoplatform.gui.client.widget.statusbar.GPCatalogStatusBar.GPCatalogStatusBarType; /** * Execute a CSW GetRecordById request, for view, into a new browser tab, the * full metadata of the record selected via the grid context menu. * * @author Vincenzo Monteverde <vincenzo.monteverde@geosdi.org> */ public class ShowFullMetadataAction extends MenuBaseAction { private static final GPCatalogFinderRemoteAsync catalogFinderRemote = GPCatalogFinderRemote.Util.getInstance(); // private final RecordsContainer rc; private FullRecord record; public ShowFullMetadataAction(RecordsContainer rc) { super(CatalogFinderConstants.INSTANCE.ShowFullMetadataAction_titleActionText(), AbstractImagePrototype.create(CatalogFinderWidgetResources.ICONS.metadata())); this.rc = rc; } @Override public void componentSelected(MenuEvent e) { record = rc.getSelectedRecord(); /** * If the record can't be selectable, retrieve the first (and only) * record excluded from selection. */ if (record == null) { record = rc.getMetadataSelection().getRecordsExcluded().get(0); } this.rc.getBus() .fireEvent(new StatusWidgetEvent(CatalogFinderMessages.INSTANCE .ShowFullMetadataAction_loadingStatusBarMessage(record.getTitle()), GPCatalogStatusBarType.STATUS_LOADING)); xsrf.getNewXsrfToken(new AsyncCallback<XsrfToken>() { @Override public void onFailure(Throwable caught) { try { throw caught; } catch (RpcTokenException e) { // Can be thrown for several reasons: // - duplicate session cookie, which may be a sign of a cookie // overwrite attack // - XSRF token cannot be generated because session cookie isn't // present } catch (Throwable e) { // unexpected } } @Override public void onSuccess(XsrfToken token) { ((HasRpcToken) catalogFinderRemote).setRpcToken(token); catalogFinderRemote.getRecordById(record.getIdCatalog(), record.getIdentifier(), GWT.getModuleName(), new AsyncCallback<String>() { @Override public void onFailure(Throwable caught) { System.out.println("Error @@@@@@@@@@@@@@@@ " + caught); rc.getBus() .fireEvent(new StatusWidgetEvent( CatalogFinderConstants.INSTANCE .ShowFullMetadataAction_errorRecordRequestText(), GPCatalogStatusBarType.STATUS_ERROR)); } @Override public void onSuccess(String result) { Window.open(GWT.getModuleBaseURL() + "csw-template/" + result, CatalogFinderConstants.INSTANCE.ShowFullMetadataAction_windowText(), ""); rc.getBus() .fireEvent(new StatusWidgetEvent( CatalogFinderConstants.INSTANCE .ShowFullMetadataAction_recordRequestExecutedText(), GPCatalogStatusBarType.STATUS_OK)); } }); } }); } }