001 //$HeadURL: svn+ssh://jwilden@svn.wald.intevation.org/deegree/base/branches/2.5_testing/src/org/deegree/portal/standard/wmps/GetTemplatesListener.java $ 002 /*---------------------------------------------------------------------------- 003 This file is part of deegree, http://deegree.org/ 004 Copyright (C) 2001-2009 by: 005 - Department of Geography, University of Bonn - 006 and 007 - lat/lon GmbH - 008 009 This library is free software; you can redistribute it and/or modify it under 010 the terms of the GNU Lesser General Public License as published by the Free 011 Software Foundation; either version 2.1 of the License, or (at your option) 012 any later version. 013 This library is distributed in the hope that it will be useful, but WITHOUT 014 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS 015 FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more 016 details. 017 You should have received a copy of the GNU Lesser General Public License 018 along with this library; if not, write to the Free Software Foundation, Inc., 019 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 020 021 Contact information: 022 023 lat/lon GmbH 024 Aennchenstr. 19, 53177 Bonn 025 Germany 026 http://lat-lon.de/ 027 028 Department of Geography, University of Bonn 029 Prof. Dr. Klaus Greve 030 Postfach 1147, 53001 Bonn 031 Germany 032 http://www.geographie.uni-bonn.de/deegree/ 033 034 e-mail: info@deegree.org 035 ----------------------------------------------------------------------------*/ 036 package org.deegree.portal.standard.wmps; 037 038 import java.io.IOException; 039 import java.io.InputStream; 040 import java.util.ArrayList; 041 import java.util.List; 042 043 import org.deegree.enterprise.control.ajax.AbstractListener; 044 import org.deegree.enterprise.control.ajax.ResponseHandler; 045 import org.deegree.enterprise.control.ajax.WebEvent; 046 import org.deegree.framework.log.ILogger; 047 import org.deegree.framework.log.LoggerFactory; 048 import org.deegree.framework.util.HttpUtils; 049 import org.deegree.framework.xml.XMLFragment; 050 import org.deegree.framework.xml.XMLTools; 051 import org.deegree.ogcbase.CommonNamespaces; 052 053 /** 054 * TODO add class documentation here 055 * 056 * @author <a href="mailto:name@deegree.org">Andreas Poth</a> 057 * @author last edited by: $Author: apoth $ 058 * 059 * @version $Revision: 24932 $, $Date: 2010-06-17 20:16:34 +0200 (Do, 17 Jun 2010) $ 060 */ 061 public class GetTemplatesListener extends AbstractListener { 062 063 private static final ILogger LOG = LoggerFactory.getLogger( GetTemplatesListener.class ); 064 065 /* 066 * (non-Javadoc) 067 * 068 * @see 069 * org.deegree.enterprise.control.ajax.AbstractListener#actionPerformed(org.deegree.enterprise.control.ajax.WebEvent 070 * , org.deegree.enterprise.control.ajax.ResponseHandler) 071 */ 072 public void actionPerformed( WebEvent event, ResponseHandler responseHandler ) 073 throws IOException { 074 075 InputStream is = HttpUtils.performHttpGet( getInitParameter( "WMPS" ), 076 "request=GetAvailableTemplates&version=1.0.0", timeout, null, null, 077 null ).getResponseBodyAsStream(); 078 XMLFragment xml = new XMLFragment(); 079 List<String> templates = null; 080 try { 081 xml.load( is, getInitParameter( "WMPS" ) ); 082 String[] t = XMLTools.getRequiredNodesAsStrings( xml.getRootElement(), "deegreewmps:Template", 083 CommonNamespaces.getNamespaceContext() ); 084 templates = new ArrayList<String>( t.length ); 085 for ( String template : t ) { 086 templates.add( template ); 087 } 088 } catch ( Exception e ) { 089 LOG.logError( e ); 090 String s = getInitParameter( "WMPS" ) + "?request=GetAvailableTemplates&version=1.0.0"; 091 throw new IOException( "can not get list of available templates from WMPS: " + s ); 092 } 093 responseHandler.writeAndClose( false, templates ); 094 } 095 096 }