/*! * This program is free software; you can redistribute it and/or modify it under the * terms of the GNU Lesser General Public License, version 2.1 as published by the Free Software * Foundation. * * You should have received a copy of the GNU Lesser General Public License along with this * program; if not, you can obtain a copy at http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html * or from the Free Software Foundation, Inc., * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. * * 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 Lesser General Public License for more details. * * Copyright (c) 2002-2013 Pentaho Corporation.. All rights reserved. */ package org.pentaho.mantle.client.commands; import com.google.gwt.core.client.GWT; import com.google.gwt.http.client.Request; import com.google.gwt.http.client.RequestBuilder; 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; import com.google.gwt.user.client.ui.FlexTable; import com.google.gwt.user.client.ui.HTML; import com.google.gwt.user.client.ui.Label; import com.google.gwt.xml.client.Document; import com.google.gwt.xml.client.Element; import com.google.gwt.xml.client.NodeList; import com.google.gwt.xml.client.XMLParser; import org.pentaho.gwt.widgets.client.dialogs.MessageDialogBox; import org.pentaho.gwt.widgets.client.dialogs.PromptDialogBox; import org.pentaho.mantle.client.messages.Messages; public class CheckForSoftwareUpdatesCommand extends AbstractCommand { public CheckForSoftwareUpdatesCommand() { } protected void performOperation() { performOperation( true ); } protected void performOperation( boolean feedback ) { final String url = GWT.getHostPageBaseURL() + "api/version/softwareUpdates"; //$NON-NLS-1$ RequestBuilder requestBuilder = new RequestBuilder( RequestBuilder.GET, url ); requestBuilder.setHeader( "If-Modified-Since", "01 Jan 1970 00:00:00 GMT" ); requestBuilder.setHeader( "accept", "text/plain" ); try { requestBuilder.sendRequest( null, new RequestCallback() { public void onError( Request request, Throwable exception ) { MessageDialogBox dialogBox = new MessageDialogBox( Messages.getString( "softwareUpdates" ), Messages.getString( "noUpdatesAvailable" ), false, false, true ); //$NON-NLS-1$ //$NON-NLS-2$ dialogBox.center(); } public void onResponseReceived( Request request, Response response ) { Document doc = XMLParser.parse( response.getText() ); NodeList updates = doc.getElementsByTagName( "update" ); //$NON-NLS-1$ if ( updates.getLength() > 0 ) { FlexTable updateTable = new FlexTable(); updateTable.setStyleName( "backgroundContentTable" ); //$NON-NLS-1$ updateTable.setWidget( 0, 0, new Label( Messages.getString( "version" ) ) ); //$NON-NLS-1$ updateTable.setWidget( 0, 1, new Label( Messages.getString( "type" ) ) ); //$NON-NLS-1$ updateTable.setWidget( 0, 2, new Label( Messages.getString( "os" ) ) ); //$NON-NLS-1$ updateTable.setWidget( 0, 3, new Label( Messages.getString( "link" ) ) ); //$NON-NLS-1$ updateTable.getCellFormatter().setStyleName( 0, 0, "backgroundContentHeaderTableCell" ); //$NON-NLS-1$ updateTable.getCellFormatter().setStyleName( 0, 1, "backgroundContentHeaderTableCell" ); //$NON-NLS-1$ updateTable.getCellFormatter().setStyleName( 0, 2, "backgroundContentHeaderTableCell" ); //$NON-NLS-1$ updateTable.getCellFormatter().setStyleName( 0, 3, "backgroundContentHeaderTableCellRight" ); //$NON-NLS-1$ for ( int i = 0; i < updates.getLength(); i++ ) { Element updateElement = (Element) updates.item( i ); String version = updateElement.getAttribute( "version" ); //$NON-NLS-1$ String type = updateElement.getAttribute( "type" ); //$NON-NLS-1$ String os = updateElement.getAttribute( "os" ); //$NON-NLS-1$ // String title = updateElement.getAttribute("title"); String downloadURL = updateElement.getElementsByTagName( "downloadurl" ).item( 0 ).toString(); //$NON-NLS-1$ downloadURL = downloadURL.substring( downloadURL.indexOf( "http" ), downloadURL.indexOf( "]" ) ); //$NON-NLS-1$ //$NON-NLS-2$ updateTable.setWidget( i + 1, 0, new Label( version ) ); updateTable.setWidget( i + 1, 1, new Label( type ) ); updateTable.setWidget( i + 1, 2, new Label( os ) ); updateTable .setWidget( i + 1, 3, new HTML( "<A HREF=\"" + downloadURL + "\" target=\"_blank\" title=\"" + downloadURL + "\">" + Messages .getString( "download" ) + "</A>" ) ); //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$ //$NON-NLS-4$ //$NON-NLS-5$ updateTable.getCellFormatter().setStyleName( i + 1, 0, "backgroundContentTableCell" ); //$NON-NLS-1$ updateTable.getCellFormatter().setStyleName( i + 1, 1, "backgroundContentTableCell" ); //$NON-NLS-1$ updateTable.getCellFormatter().setStyleName( i + 1, 2, "backgroundContentTableCell" ); //$NON-NLS-1$ updateTable.getCellFormatter().setStyleName( i + 1, 3, "backgroundContentTableCellRight" ); //$NON-NLS-1$ if ( i == updates.getLength() - 1 ) { // last updateTable.getCellFormatter().setStyleName( i + 1, 0, "backgroundContentTableCellBottom" ); //$NON-NLS-1$ updateTable.getCellFormatter().setStyleName( i + 1, 1, "backgroundContentTableCellBottom" ); //$NON-NLS-1$ updateTable.getCellFormatter().setStyleName( i + 1, 2, "backgroundContentTableCellBottom" ); //$NON-NLS-1$ updateTable.getCellFormatter().setStyleName( i + 1, 3, "backgroundContentTableCellBottomRight" ); //$NON-NLS-1$ } } PromptDialogBox versionPromptDialog = new PromptDialogBox( Messages.getString( "softwareUpdateAvailable" ), Messages.getString( "ok" ), null, false, true, updateTable ); //$NON-NLS-1$ //$NON-NLS-2$ versionPromptDialog.center(); } else { MessageDialogBox dialogBox = new MessageDialogBox( Messages.getString( "softwareUpdates" ), Messages.getString( "noUpdatesAvailable" ), false, false, true ); //$NON-NLS-1$ //$NON-NLS-2$ dialogBox.center(); } } } ); } catch ( RequestException e ) { Window.alert( e.getMessage() ); // showError(e); } } }