001 //$HeadURL: svn+ssh://jwilden@svn.wald.intevation.org/deegree/base/branches/2.5_testing/src/org/deegree/ogcwebservices/wmps/operation/DescribeTemplate.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.ogcwebservices.wmps.operation; 037 038 import java.util.HashMap; 039 import java.util.Map; 040 041 import org.deegree.framework.xml.XMLParsingException; 042 import org.deegree.framework.xml.XMLTools; 043 import org.deegree.ogcbase.CommonNamespaces; 044 import org.deegree.ogcwebservices.InconsistentRequestException; 045 import org.w3c.dom.Element; 046 047 /** 048 * Can be requested as KVP: 049 * <p> 050 * ...?request=DescribeTemplate&version=1.0.0&template=MyTemplate 051 * </p> 052 * or as XML: 053 * <p> 054 * 055 * <pre> 056 * ... 057 * </pre> 058 * 059 * </p> 060 * 061 * @author <a href="mailto:name@deegree.org">Andreas Poth</a> 062 * @author last edited by: $Author: apoth $ 063 * 064 * @version $Revision: 21672 $, $Date: 2009-12-29 09:44:20 +0100 (Di, 29 Dez 2009) $ 065 */ 066 public class DescribeTemplate extends WMPSRequestBase { 067 068 private static final long serialVersionUID = 536568315562438781L; 069 070 private String template; 071 072 /** 073 * 074 * @param id 075 * @param version 076 * @param template 077 * @param vendorSpecificParameter 078 */ 079 public DescribeTemplate( String id, String version, String template, Map<String, String> vendorSpecificParameter ) { 080 super( version, id, vendorSpecificParameter ); 081 this.template = template; 082 } 083 084 /** 085 * 086 * @param parameter 087 * @return new {@link DescribeTemplate} 088 * @throws InconsistentRequestException 089 */ 090 public static DescribeTemplate create( Map<String, String> parameter ) throws InconsistentRequestException{ 091 String id = "" + System.currentTimeMillis(); 092 String version = retrieveVersionParameter( parameter ); 093 String tempplate = retrieveTemplateParameter( parameter ); 094 return new DescribeTemplate( id, version, tempplate, parameter ); 095 } 096 097 /** 098 * 099 * @param request 100 * @return new {@link DescribeTemplate} 101 * @throws XMLParsingException 102 */ 103 public static DescribeTemplate create( Element request ) 104 throws XMLParsingException { 105 String id = "" + System.currentTimeMillis(); 106 String version; 107 try { 108 version = XMLTools.getRequiredAttrValue( "version", null, request ); 109 } catch ( Exception e ) { 110 throw new XMLParsingException( "Error parsing required attribute 'Version'. " + e.getMessage() ); 111 } 112 String template = null; 113 try { 114 version = XMLTools.getRequiredNodeAsString( request, "deegreewmps:Template", 115 CommonNamespaces.getNamespaceContext() ); 116 } catch ( Exception e ) { 117 throw new XMLParsingException( "Error parsing required element 'Template'. " + e.getMessage() ); 118 } 119 return new DescribeTemplate( id, version, template, new HashMap<String, String>() ); 120 } 121 122 /** 123 * Parse 'Version' Parameter. 124 * 125 * @param model 126 * @return String version (default=1.0.0) 127 */ 128 private static String retrieveVersionParameter( Map<String, String> model ) { 129 130 String version = null; 131 if ( model.containsKey( "VERSION" ) ) { 132 version = (String) model.remove( "VERSION" ); 133 } 134 if ( version == null ) { 135 /** default value set as per the WMPS draft specifications. */ 136 version = "1.0.0"; 137 } 138 139 return version; 140 } 141 142 /** 143 * Parse 'Template' Parameter. 144 * 145 * @param model 146 * @return template to describe 147 * @throws InconsistentRequestException 148 */ 149 private static String retrieveTemplateParameter( Map<String, String> model ) throws InconsistentRequestException{ 150 151 String template = null; 152 if ( model.containsKey( "TEMPLATE" ) ) { 153 template = (String) model.remove( "TEMPLATE" ); 154 } 155 if ( template == null ) { 156 throw new InconsistentRequestException( "parameter template must be set" ); 157 } 158 159 return template; 160 } 161 162 /** 163 * 164 * @return template name 165 */ 166 public String getTemplate() { 167 return template; 168 } 169 170 }