001: /*
002: * $Header: /export/home/cvsroot/MyPersonalizerRepository/MyPersonalizer/Subsystems/Portal/Sources/es/udc/mypersonalizer/portal/model/wizards/AddPropertyStructureUpdater.java,v 1.1.1.1 2004/03/25 12:08:40 fbellas Exp $
003: * $Revision: 1.1.1.1 $
004: * $Date: 2004/03/25 12:08:40 $
005: *
006: * =============================================================================
007: *
008: * Copyright (c) 2003, The MyPersonalizer Development Group
009: * (http://www.tic.udc.es/~fbellas/mypersonalizer/index.html) at
010: * University Of A Coruna
011: * All rights reserved.
012: *
013: * Redistribution and use in source and binary forms, with or without
014: * modification, are permitted provided that the following conditions are met:
015: *
016: * - Redistributions of source code must retain the above copyright notice,
017: * this list of conditions and the following disclaimer.
018: *
019: * - Redistributions in binary form must reproduce the above copyright notice,
020: * this list of conditions and the following disclaimer in the documentation
021: * and/or other materials provided with the distribution.
022: *
023: * - Neither the name of the University Of A Coruna nor the names of its
024: * contributors may be used to endorse or promote products derived from
025: * this software without specific prior written permission.
026: *
027: * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
028: * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
029: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
030: * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
031: * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
032: * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
033: * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
034: * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
035: * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
036: * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
037: * POSSIBILITY OF SUCH DAMAGE.
038: *
039: */
040:
041: package es.udc.mypersonalizer.portal.model.wizards;
042:
043: import es.udc.mypersonalizer.kernel.model.properties.Property;
044: import es.udc.mypersonalizer.kernel.model.properties.PropertyStructure;
045: import es.udc.mypersonalizer.kernel.model.properties.SimpleProperty;
046: import es.udc.mypersonalizer.kernel.util.exceptions.InternalErrorException;
047: import es.udc.mypersonalizer.portal.model.types.WizardEvent;
048: import java.util.*;
049:
050: /**
051: * This property updater adds a new value to a given property.
052: * It adds a new {@link PropertyStructure} with properties in
053: * it. The values for this new property structure are taken from a
054: * {@link WizardEvent} object, being the point of the property in
055: * which the value will be added established by the
056: * <tt>propertyStructureName</tt> parameter of the wizard event.<p>
057: *
058: * The new value is added at the end of the property, this is, if it is
059: * multivalued and already has values for positions 0, 1 and 2, the new value
060: * will be position 3.
061: *
062: * @author Daniel Fernandez
063: * @since 1.0
064: */
065: public class AddPropertyStructureUpdater implements PropertyUpdater {
066:
067: /** Creates a new instance of AddPropertyStructureUpdater */
068: public AddPropertyStructureUpdater() {
069: }
070:
071: public void update(Property property, WizardEvent event)
072: throws InternalErrorException {
073:
074: Map eventProperties = event.getProperties();
075: String propertyStructureName = event.getPropertyStructureName();
076: String serviceIdentifier = event.getServiceIdentifier();
077:
078: Iterator eventPropertiesIter = eventProperties.entrySet()
079: .iterator();
080:
081: PropertyStructure newPropertyStructure = new PropertyStructure();
082:
083: /*
084: * We create a new PropertyStructure by adding to it a SimpleProperty
085: * for each field in the wizard event.
086: */
087: while (eventPropertiesIter.hasNext()) {
088: Map.Entry currentEventPropertiesEntry = (Map.Entry) eventPropertiesIter
089: .next();
090:
091: String eventPropertyName = (String) currentEventPropertiesEntry
092: .getKey();
093: String[] eventPropertyValues = (String[]) currentEventPropertiesEntry
094: .getValue();
095:
096: Property newProperty = null;
097: try {
098: newProperty = new SimpleProperty(eventPropertyName,
099: eventPropertyValues);
100: } catch (Exception e) {
101: throw new InternalErrorException(e);
102: }
103:
104: newPropertyStructure.put(newProperty);
105:
106: }
107:
108: /*
109: * Next we should move to the point in the property tree where
110: * the value must be added.
111: */
112: String innerPropertyName = PropertyUpdaterHelper
113: .getPropertyStructurePropertyName(propertyStructureName);
114: if (!innerPropertyName.equals("")) {
115: try {
116: property = property.findProperty(innerPropertyName);
117: } catch (Exception e) {
118: throw new InternalErrorException(e);
119: }
120: }
121:
122: /* ...and the value is added */
123: List propertyStructures = new ArrayList(Arrays.asList(property
124: .getValuesAsObject()));
125: propertyStructures.add(newPropertyStructure);
126: PropertyStructure[] newPropertyStructures = (PropertyStructure[]) propertyStructures
127: .toArray(new PropertyStructure[0]);
128:
129: property.setValuesAsObject(newPropertyStructures);
130:
131: }
132:
133: }
|