001 //$HeadURL: svn+ssh://jwilden@svn.wald.intevation.org/deegree/base/branches/2.5_testing/src/org/deegree/portal/standard/wms/util/ClientHelper.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.wms.util;
037
038 import org.deegree.framework.util.StringTools;
039 import org.deegree.i18n.Messages;
040 import org.deegree.ogcwebservices.getcapabilities.MetadataURL;
041 import org.deegree.ogcwebservices.wms.capabilities.Layer;
042
043 /**
044 *
045 *
046 * @author <a href="mailto:poth@lat-lon.de">Andreas Poth</a>
047 * @author last edited by: $Author: jwilden $
048 *
049 * @version $Revision: 25889 $, $Date: 2010-08-16 07:43:37 +0200 (Mo, 16 Aug 2010) $
050 */
051 public class ClientHelper {
052
053 /**
054 *
055 * @param root
056 * @return String representation of Layers as tree
057 */
058 public static String getLayersAsTree( Layer root ) {
059 StringBuffer sb = new StringBuffer( 10000 );
060 sb.append( Messages.getMessage( "IGEO_STD_WMSLAYERSELECT_LAYERTREE_HEADER", root.getTitle() ) );
061 Layer[] layers = root.getLayer();
062 int indent = 0;
063 for ( int i = 0; i < layers.length; i++ ) {
064 appendLayer( layers[i], indent, sb );
065 }
066 return sb.toString();
067 }
068
069 private static void appendLayer( Layer layer, int indent, StringBuffer target ) {
070 indent++;
071 String s = "";
072 for ( int i = 0; i < indent; i++ ) {
073 s = s + " ";
074 }
075 target.append( s );
076 if ( layer.getName() != null ) {
077
078 // get MetadataURL
079 String metadataUrl = null;
080 if ( layer.getMetadataURL() != null ) {
081 MetadataURL[] mdURLs = layer.getMetadataURL();
082 MetadataURL mdUrl = null;
083 if ( mdURLs != null && mdURLs.length > 0 ) {
084 mdUrl = (MetadataURL) mdURLs[0];
085 metadataUrl = mdUrl.getOnlineResource().toExternalForm();
086 }
087 }
088
089 target.append( s ).append( "<input name='LAYER' type='checkbox' " );
090 target.append( "value='" );
091 appendHTMLEntityEncode( layer.getName(), target ); // value_0
092 target.append( '|' );
093 appendHTMLEntityEncode( layer.getTitle(), target ); // value_1
094 target.append( '|' );
095 target.append( layer.isQueryable() ); // value_2
096 target.append( '|' );
097 // TODO test new stuff (value_3, value_4, value_5):
098 if ( metadataUrl != null ) {
099 metadataUrl = StringTools.replace( metadataUrl, "&", "&", true );
100 target.append( metadataUrl ); // value_3
101 }
102 target.append( '|' );
103 if ( layer.getScaleHint() != null ) {
104 target.append( layer.getScaleHint().getMin() ).append( '|' ); // value_4
105 target.append( layer.getScaleHint().getMax() ); // value_5
106 } else {
107 // no scaleHint provided in Layer
108 target.append( '0' ).append( '|' ).append( Double.MAX_VALUE );
109 }
110 target.append( "' >" );
111 appendHTMLEntityEncode( layer.getTitle(), target );
112 target.append( "<br/>\n" );
113 } else {
114 target.append( "<b>" );
115 appendHTMLEntityEncode( layer.getTitle(), target );
116 target.append( "</b><br/>" );
117 Layer[] layers = layer.getLayer();
118 for ( int i = 0; i < layers.length; i++ ) {
119 appendLayer( layers[i], indent, target );
120 }
121 target.append( "<br/>" );
122 }
123 }
124
125 /**
126 * @param s
127 * @param sb
128 * @return the new string
129 */
130 public static String appendHTMLEntityEncode( String s, StringBuffer sb ) {
131 StringBuffer buf = new StringBuffer();
132 for ( int i = 0; i < s.length(); i++ ) {
133 char c = s.charAt( i );
134 if ( c >= 'a' && c <= 'z' || c >= 'A' && c <= 'Z' || c >= '0' && c <= '9' ) {
135 buf.append( c );
136 } else {
137 buf.append( "&#" + (int) c + ";" );
138 }
139 }
140
141 return sb.append( buf ).toString();
142 }
143
144 }