001    // $HeadURL: http://svn.wald.intevation.org/svn/deegree/base/trunk/src/org/deegree/ogcwebservices/getcapabilities/OperationsMetadata.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.getcapabilities;
037    
038    import java.io.Serializable;
039    import java.util.HashMap;
040    import java.util.Map;
041    
042    import org.deegree.owscommon.OWSDomainType;
043    
044    /**
045     * Represents the <code>OperationMetadata</code> part in the capabilities document of an OGC-web
046     * service according to the <code>OWS Common Implementation
047     * Specification 0.3</code> (and
048     * especially <code>owsOperationsMetadata.xsd</code>). As this class is abstract, it only defines
049     * the <code>GetCapabilities</code> operation, which all types of <code>OWS Common</code>
050     * -compliant web services must implement.
051     * <p>
052     * It consists of the following elements: <table border="1">
053     * <tr>
054     * <th>Name</th>
055     * <th>Occurences</th>
056     * <th>Function</th>
057     * </tr>
058     * <tr>
059     * <td>ows:Operation</td>
060     * <td align="center">2-*</td>
061     * <td>Metadata for unordered list of all the (requests for) operations that this server interface
062     * implements. The list of required and optional operations implemented shall be specified in the
063     * Implementation Specification for this service.</td>
064     * </tr>
065     * <tr>
066     * <td>ows:Parameter</td>
067     * <td align="center">0-*</td>
068     * <td>Optional unordered list of parameter valid domains that each apply to one or more operations
069     * which this server interface implements. The list of required and optional parameter domain
070     * limitations shall be specified in the Implementation Specification for this service.</td>
071     * </tr>
072     * <tr>
073     * <td>ows:Constraint</td>
074     * <td align="center">0-*</td>
075     * <td>Optional unordered list of valid domain constraints on non-parameter quantities that each
076     * apply to this server. The list of required and optional constraints shall be specified in the
077     * Implementation Specification for this service.</td>
078     * </tr>
079     * <tr>
080     * <td>ows:ExtendedCapabilities</td>
081     * <td align="center">0 or 1</td>
082     * <td>Individual software vendors and servers can use this element to provide metadata about any
083     * additional server abilities.</td>
084     * </tr>
085     * </table>
086     *
087     * @author <a href="mailto:poth@lat-lon.de">Andreas Poth </a>
088     * @author <a href="mailto:mschneider@lat-lon.de">Markus Schneider </a>
089     * @author last edited by: $Author: apoth $
090     *
091     * @version $Revision: 29654 $, $Date: 2011-02-11 17:14:02 +0100 (Fri, 11 Feb 2011) $
092     */
093    public abstract class OperationsMetadata implements Serializable {
094    
095        private static final long serialVersionUID = 9004347074744748535L;
096    
097        public static final String GET_CAPABILITIES_NAME = "GetCapabilities";
098    
099        protected Operation getCapabilitiesOperation = null;
100    
101        // keys are Strings (the names of the parameters), values are
102        // OWSDomainType-instances
103        protected Map<String, OWSDomainType> parameters;
104    
105        // keys are Strings (the names of constrained domains), values are
106        // OWSDomainType-instances
107        protected Map<String, OWSDomainType> constraints;
108    
109        /**
110         * Creates a new <code>OperationsMetadata</code> instance with the given configuration for the
111         * getCapabilitiesOperation.
112         *
113         * @param getCapabilitiesOperation
114         * @param parameters
115         * @param constraints
116         */
117        public OperationsMetadata( Operation getCapabilitiesOperation, OWSDomainType[] parameters,
118                                   OWSDomainType[] constraints ) {
119            this.getCapabilitiesOperation = getCapabilitiesOperation;
120            setOperationParameter( parameters );
121            setConstraints( constraints );
122        }
123    
124        /**
125         * @return The configuration for the <code>GetCapabilities</code> -operation.
126         */
127        public Operation getGetCapabilitiesOperation() {
128            return getCapabilitiesOperation;
129        }
130    
131        /**
132         * Sets the configuration for the <code>GetCapabilities</code> -operation.
133         *
134         * @param getCapabilitiesOperation
135         *            configuration for the <code>GetCapabilities</code> -operation to be set
136         */
137        public void setGetCapabilitiesOperation( Operation getCapabilitiesOperation ) {
138            this.getCapabilitiesOperation = getCapabilitiesOperation;
139        }
140    
141        /**
142         * @return all <code>Operation</code> configurations.
143         */
144        public Operation[] getOperations() {
145            return new Operation[] { getCapabilitiesOperation };
146        }
147    
148        /**
149         *
150         * @return a list of parameters assigned directly to the OperationsMetadata.
151         */
152        public OWSDomainType[] getParameter() {
153            return parameters.values().toArray( new OWSDomainType[parameters.size()] );
154        }
155    
156        /**
157         * adds a parameter to the OperationsMetadata
158         *
159         * @param parameter
160         */
161        public void addParameter( OWSDomainType parameter ) {
162            parameters.put( parameter.getName(), parameter );
163        }
164    
165        /**
166         *
167         *
168         * @param name
169         *            removes a parameter from the OperationsMetadata
170         * @return the removed parameter
171         */
172        public OWSDomainType removeParameter( String name ) {
173            return parameters.remove( name );
174        }
175    
176        /**
177         * sets a complete list of parameters to the OperationMetadata
178         *
179         * @param parameters
180         */
181        public void setOperationParameter( OWSDomainType[] parameters ) {
182            if ( this.parameters == null ) {
183                this.parameters = new HashMap<String, OWSDomainType>();
184            } else {
185                this.parameters.clear();
186            }
187            if ( parameters != null ) {
188                for ( int i = 0; i < parameters.length; i++ ) {
189                    addParameter( parameters[i] );
190                }
191            }
192        }
193    
194        /**
195         * @return Returns the constraints.
196         */
197        public OWSDomainType[] getConstraints() {
198            return constraints.values().toArray( new OWSDomainType[constraints.values().size()] );
199        }
200    
201        /**
202         * Sets the constraints of the <code>OperationMetadata</code>.
203         *
204         * @param constraints
205         *            may be null
206         */
207        public void setConstraints( OWSDomainType[] constraints ) {
208            if ( this.constraints == null ) {
209                this.constraints = new HashMap<String, OWSDomainType>();
210            } else {
211                this.constraints.clear();
212            }
213            if ( constraints != null ) {
214                for ( int i = 0; i < constraints.length; i++ ) {
215                    addConstraint( constraints[i] );
216                }
217            }
218        }
219    
220        /**
221         * Adds a constraint.
222         *
223         * @param constraint
224         */
225        public void addConstraint( OWSDomainType constraint ) {
226            constraints.put( constraint.getName(), constraint );
227        }
228    }