001: /*
002: * $Header: /export/home/cvsroot/MyPersonalizerRepository/MyPersonalizer/Subsystems/Portal/Sources/es/udc/mypersonalizer/portal/model/wizards/UpdateSimplePropertiesUpdater.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.util.exceptions.InternalErrorException;
045: import es.udc.mypersonalizer.portal.model.types.WizardEvent;
046: import java.util.*;
047:
048: /**
049: * This property updater performs modifications on a property. It updates
050: * the values of a given property structure inside that property.
051: * The property structure to be modified is pointed by the
052: * <tt>propertyStructureName</tt> parameter in the {@link WizardEvent} object.
053: * This object will also carry all the new values for the fields to be modified.
054: *
055: * @author Daniel Fernandez
056: * @since 1.0
057: */
058: public class UpdateSimplePropertiesUpdater implements PropertyUpdater {
059:
060: /** Creates a new instance of UpdateSimplePropertiesUpdater */
061: public UpdateSimplePropertiesUpdater() {
062: }
063:
064: public void update(Property property, WizardEvent event)
065: throws InternalErrorException {
066:
067: Map eventProperties = event.getProperties();
068: String propertyStructureName = event.getPropertyStructureName();
069: String serviceIdentifier = event.getServiceIdentifier();
070:
071: if (!PropertyUpdaterHelper
072: .isStructureNameWellFormed(propertyStructureName)) {
073: throw new InternalErrorException(
074: "Structure name badly formed: "
075: + propertyStructureName);
076: }
077:
078: Iterator eventPropertiesIter = eventProperties.entrySet()
079: .iterator();
080:
081: while (eventPropertiesIter.hasNext()) {
082: Map.Entry currentEventPropertiesEntry = (Map.Entry) eventPropertiesIter
083: .next();
084:
085: /*
086: * We get the data for a property to be modified
087: */
088: String eventPropertyName = (String) currentEventPropertiesEntry
089: .getKey();
090: String[] eventPropertyValues = (String[]) currentEventPropertiesEntry
091: .getValue();
092:
093: try {
094:
095: /* Before modifying, we must move through the property tree */
096: Property currentProperty = property
097: .findProperty((propertyStructureName + "." + eventPropertyName));
098: /* Set the new value */
099: currentProperty.setValuesAsString(eventPropertyValues);
100:
101: } catch (Exception e) {
102: /* We tried to set a non-existent property */
103: throw new InternalErrorException(e);
104: }
105: }
106:
107: }
108:
109: }
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