001 //$HeadURL: https://svn.wald.intevation.org/svn/deegree/base/branches/2.3_testing/src/org/deegree/ogcwebservices/csw/discovery/SearchResults.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.csw.discovery;
037
038 import java.net.URI;
039 import java.net.URISyntaxException;
040 import java.util.Date;
041 import java.util.GregorianCalendar;
042
043 import org.deegree.ogcwebservices.InvalidParameterValueException;
044 import org.w3c.dom.Node;
045
046 /**
047 * Class representation of a <csw:SearchResults>-element.
048 *
049 * The SearchResults is a generic container for the actual response to a GetRecords request. The
050 * content of the SearchResults is the set of records returned by the GetRecords operation. The
051 * actual records returned by the catalogue should substitute for AbstractRecord.
052 *
053 * @author <a href="mailto:poth@lat-lon.de">Andreas Poth </a>
054 * @author <a href="mailto:tfr@users.sourceforge.net">Torsten Friebe </a>
055 * @author <a href="mailto:tfr@users.sourceforge.net">Markus Schneider </a>
056 * @author last edited by: $Author: mschneider $
057 *
058 * @version 2.0, $Revision: 18195 $, $Date: 2009-06-18 17:55:39 +0200 (Do, 18. Jun 2009) $
059 */
060
061 public class SearchResults {
062
063 private static final String[] ELEMENT_SETS = { "brief", "summary", "full" };
064
065 private URI requestId = null;
066
067 private URI resultSetId = null;
068
069 private String elementSet = null;
070
071 private URI recordSchema = null;
072
073 private int numberOfRecordsReturned = 0;
074
075 private int numberOfRecordsMatched = 0;
076
077 private int nextRecord = 0;
078
079 private Date expires = null;
080
081 private Node recordsParentNode;
082
083 /**
084 *
085 * @param requestId
086 * @param resultSetId
087 * @param elementSet
088 * @param recordSchema
089 * @param numberOfRecordsReturned
090 * @param nextRecord
091 * @param recordsParentNode
092 * @throws InvalidParameterValueException
093 */
094 SearchResults( String requestId, String resultSetId, String elementSet, String recordSchema,
095 int numberOfRecordsReturned, int numberOfRecordsMatched, int nextRecord, Node recordsParentNode,
096 String expires ) throws InvalidParameterValueException {
097
098 if ( requestId != null ) {
099 try {
100 this.requestId = new URI( null, requestId, null );
101 } catch ( URISyntaxException e ) {
102 throw new InvalidParameterValueException( "Value '" + requestId
103 + "' of Parameter 'requestId' does not denote a valid URI." );
104 }
105 }
106
107 if ( resultSetId != null ) {
108 try {
109 this.resultSetId = new URI( null, resultSetId, null );
110 } catch ( URISyntaxException e ) {
111 throw new InvalidParameterValueException( "Value '" + resultSetId
112 + "' of Parameter 'resultSetId' does not denote a valid URI." );
113 }
114 }
115
116 if ( elementSet != null ) {
117 for ( int i = 0; i < ELEMENT_SETS.length; i++ ) {
118 if ( ELEMENT_SETS[i].equals( elementSet ) ) {
119 this.elementSet = elementSet;
120 }
121 }
122 if ( this.elementSet == null ) {
123 throw new InvalidParameterValueException( "Value '" + elementSet
124 + "' of Parameter 'elementSet' is invalid. Valid parameters"
125 + " are: 'full', 'summary' and 'brief'." );
126 }
127 }
128
129 if ( recordSchema != null ) {
130 try {
131 this.recordSchema = new URI( null, recordSchema, null );
132 } catch ( URISyntaxException e ) {
133 throw new InvalidParameterValueException(
134 "Value '"
135 + recordSchema
136 + "' of Parameter 'recordSchema' does not denote a valid URI." );
137 }
138 }
139
140 this.numberOfRecordsReturned = numberOfRecordsReturned;
141 this.numberOfRecordsMatched = numberOfRecordsMatched;
142 // TODO
143 this.expires = new GregorianCalendar().getTime();// TimeTools.createCalendar( expires
144 // ).getTime();
145 this.nextRecord = nextRecord;
146 this.recordsParentNode = recordsParentNode;
147 }
148
149 /**
150 * @return the id
151 */
152 public URI getRequestId() {
153 return requestId;
154 }
155
156 /**
157 * A server-generated identifier for the result set. May be used in subsequent GetRecords
158 * operations to further refine the result set. If the server does not implement this capability
159 * then the attribute should be omitted.
160 *
161 * @return the id
162 */
163 public URI getResultSetId() {
164 return resultSetId;
165 }
166
167 /**
168 * The element set returned (brief, summary or full). This is null if getElementNames of
169 * <tt>GetRecord</tt>!= null; Optional
170 *
171 * @return brief, summary or full
172 */
173 public String getElementSet() {
174 return elementSet;
175 }
176
177 /**
178 * A reference to the type or schema of the records returned. Optional
179 *
180 * @return schema
181 */
182 public URI getRecordSchema() {
183 return recordSchema;
184 }
185
186 /**
187 * Number of records found by the GetRecords operation
188 *
189 * @return the number
190 */
191 public int getNumberOfRecordsMatched() {
192 return numberOfRecordsMatched;
193 }
194
195 /**
196 * Number of records actually returned to client. This may not be the entire result set since
197 * some servers may limit the number of records returned to limit the size of the response
198 * package transmitted to the client. Subsequent queries may be executed to see more of the
199 * result set. The nextRecord attribute will indicate to the client where to begin the next
200 * query
201 *
202 * @return the number
203 */
204 public int getNumberOfRecordsReturned() {
205 return numberOfRecordsReturned;
206 }
207
208 /**
209 * Start position of next record. A value of 0 means all records have been returned.
210 *
211 * @return the position
212 */
213 public int getNextRecord() {
214 return nextRecord;
215 }
216
217 /**
218 * Returns the contents of the <SearchResults>-element.
219 *
220 * @return a node
221 */
222 public Node getRecords() {
223 return recordsParentNode;
224 }
225
226 /**
227 * @return the expiration date
228 *
229 */
230 public Date getExpires() {
231 return expires;
232 }
233
234 }