001: /*
002: * $Header: /export/home/cvsroot/MyPersonalizerRepository/MyPersonalizer/Subsystems/Admin/Sources/es/udc/mypersonalizer/admin/http/controller/actions/propertyeditor/RemovePropertyValueAction.java,v 1.1.1.1 2004/03/25 12:08:38 fbellas Exp $
003: * $Revision: 1.1.1.1 $
004: * $Date: 2004/03/25 12:08:38 $
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.admin.http.controller.actions.propertyeditor;
042:
043: import java.lang.reflect.Array;
044:
045: import javax.servlet.http.HttpServletRequest;
046: import javax.servlet.http.HttpServletResponse;
047:
048: import org.apache.struts.action.ActionForm;
049: import org.apache.struts.action.ActionMapping;
050: import org.apache.struts.action.ActionForward;
051:
052: import es.udc.mypersonalizer.kernel.model.properties.Property;
053: import es.udc.mypersonalizer.kernel.model.properties.SimpleProperty;
054:
055: import es.udc.mypersonalizer.admin.http.controller.actions.propertyeditor.interfaces.PropertyEditorConfigurationRegistry;
056: import es.udc.mypersonalizer.admin.http.controller.actions.propertyeditor.interfaces.PropertyAccessStrategy;
057: import es.udc.mypersonalizer.admin.http.controller.actions.propertyeditor.util.PropertyEditorHelper;
058: import es.udc.mypersonalizer.admin.http.view.actionforms.propertyeditor.RemovePropertyValueForm;
059:
060: /**
061: * This action is processed when trying to remove a value of a
062: * multi-valued property. Retrieves its parameters from
063: * {@link RemovePropertyValueForm}, then removes the selected value and
064: * finally redirects to
065: * <code>UpdateCompoundProperty</code> or
066: * <code>UpdateSimpleProperty</code> depending on the type of the
067: * property where it is removing the value.
068: *
069: * @author Abel Iago Toral Quiroga
070: * @since 1.0
071: */
072: public class RemovePropertyValueAction extends PropertyEditorAction {
073:
074: protected ActionForward doExecuteWork(ActionMapping mapping,
075: ActionForm form, HttpServletRequest request,
076: HttpServletResponse response) throws Exception {
077:
078: /* Get parameters */
079: RemovePropertyValueForm frm = (RemovePropertyValueForm) form;
080: String peConfigurationIdentifier = frm.getPeConfId();
081: String serviceIdentifier = frm.getServId();
082: String propertyIdentifier = frm.getPropId();
083: String propertyStructureName = frm.getPropertyStructureName();
084: String propertySimpleName = frm.getPropertySimpleName();
085: int valueIndex = frm.getIndex();
086:
087: /* Get property access strategy */
088: PropertyAccessStrategy propertyAccessStrategy = PropertyEditorConfigurationRegistry
089: .getConfiguration(peConfigurationIdentifier)
090: .getPropertyAccessStrategy();
091:
092: /* Get the root property that is being edited */
093: Property rootProperty = propertyAccessStrategy.findProperty(
094: request, propertyIdentifier);
095:
096: /* Find the property to update in the root property */
097: Property currentProperty = PropertyEditorHelper
098: .findProperty(rootProperty, propertyStructureName,
099: propertySimpleName);
100:
101: /* Remove value from current property */
102: Object[] oldValues = currentProperty.getValuesAsObject();
103: Object[] newValues = (Object[]) Array.newInstance(oldValues[0]
104: .getClass(), oldValues.length - 1);
105: for (int i = 0; i < valueIndex; i++) {
106: newValues[i] = oldValues[i];
107: }
108: for (int i = valueIndex + 1; i < oldValues.length; i++) {
109: newValues[i - 1] = oldValues[i];
110: }
111: currentProperty.setValuesAsObject(newValues);
112:
113: /* Update property */
114: propertyAccessStrategy.updateProperty(request,
115: propertyIdentifier, rootProperty);
116:
117: /* Do forward */
118: String backAction = (currentProperty instanceof SimpleProperty) ? "UpdateSimpleProperty"
119: : "UpdateCompoundProperty";
120:
121: return PropertyEditorHelper.getReturnToUpdatePropertyForward(
122: mapping, backAction, peConfigurationIdentifier,
123: serviceIdentifier, propertyIdentifier,
124: propertyStructureName, propertySimpleName);
125: }
126: }
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