001 //$HeadURL: https://svn.wald.intevation.org/svn/deegree/base/branches/2.3_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.ogcwebservices.getcapabilities.MetadataURL;
040 import org.deegree.ogcwebservices.wms.capabilities.Layer;
041
042 /**
043 *
044 *
045 * @author <a href="mailto:poth@lat-lon.de">Andreas Poth</a>
046 * @author last edited by: $Author: jmays $
047 *
048 * @version $Revision: 19116 $, $Date: 2009-08-14 11:48:50 +0200 (Fr, 14. Aug 2009) $
049 */
050 public class ClientHelper {
051
052 /**
053 *
054 * @param root
055 * @return String representation of Layers as tree
056 */
057 public static String getLayersAsTree( Layer root ) {
058 StringBuffer sb = new StringBuffer( 10000 );
059 sb.append( "<h3>" ).append( root.getTitle() ).append( ":</h3>" );
060 Layer[] layers = root.getLayer();
061 int indent = 0;
062 for ( int i = 0; i < layers.length; i++ ) {
063 appendLayer( layers[i], indent, sb );
064 }
065 return sb.toString();
066 }
067
068 private static void appendLayer( Layer layer, int indent, StringBuffer target ) {
069 indent++;
070 String s = "";
071 for ( int i = 0; i < indent; i++ ) {
072 s = s + " ";
073 }
074 target.append( s );
075 if ( layer.getName() != null ) {
076
077 // get MetadataURL
078 String metadataUrl = null;
079 if ( layer.getMetadataURL() != null ) {
080 MetadataURL[] mdURLs = layer.getMetadataURL();
081 MetadataURL mdUrl = null;
082 if ( mdURLs != null && mdURLs.length > 0 ) {
083 mdUrl = (MetadataURL) mdURLs[0];
084 metadataUrl = mdUrl.getOnlineResource().toExternalForm();
085 }
086 }
087
088 target.append( s ).append( "<input name='LAYER' type='checkbox' " );
089 target.append( "value='" );
090 appendHTMLEntityEncode( layer.getName(), target ); // value_0
091 target.append( '|' );
092 appendHTMLEntityEncode( layer.getTitle(), target ); // value_1
093 target.append( '|' );
094 target.append( layer.isQueryable() ); // value_2
095 target.append( '|' );
096 // TODO test new stuff (value_3, value_4, value_5):
097 if ( metadataUrl != null ) {
098 metadataUrl = StringTools.replace( metadataUrl, "&", "&", true );
099 target.append( metadataUrl ); // value_3
100 }
101 target.append( '|' );
102 if ( layer.getScaleHint() != null ) {
103 target.append( layer.getScaleHint().getMin() ).append( '|' ); // value_4
104 target.append( layer.getScaleHint().getMax() ); // value_5
105 } else {
106 // no scaleHint provided in Layer
107 target.append( '0' ).append( '|' ).append( Double.MAX_VALUE );
108 }
109 target.append( "' >" );
110 appendHTMLEntityEncode( layer.getTitle(), target );
111 target.append( "<br/>\n" );
112 } else {
113 target.append( "<b>" );
114 appendHTMLEntityEncode( layer.getTitle(), target );
115 target.append( "</b><br/>" );
116 Layer[] layers = layer.getLayer();
117 for ( int i = 0; i < layers.length; i++ ) {
118 appendLayer( layers[i], indent, target );
119 }
120 target.append( "<br/>" );
121 }
122 }
123
124 /**
125 * @param s
126 * @param sb
127 * @return the new string
128 */
129 public static String appendHTMLEntityEncode( String s, StringBuffer sb ) {
130 StringBuffer buf = new StringBuffer();
131 for ( int i = 0; i < s.length(); i++ ) {
132 char c = s.charAt( i );
133 if ( c >= 'a' && c <= 'z' || c >= 'A' && c <= 'Z' || c >= '0' && c <= '9' ) {
134 buf.append( c );
135 } else {
136 buf.append( "&#" + (int) c + ";" );
137 }
138 }
139
140 return sb.append( buf ).toString();
141 }
142
143 }