001: /*
002: * $Header: /export/home/cvsroot/MyPersonalizerRepository/MyPersonalizer/Subsystems/Admin/Sources/es/udc/mypersonalizer/admin/http/controller/actions/propertyeditor/ProcessUpdateSimpleSingleValuedPropertiesAction.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.util.Collection;
044: import java.util.ArrayList;
045: import java.util.Iterator;
046: import java.util.Map;
047: import java.util.HashMap;
048:
049: import javax.servlet.http.HttpServletRequest;
050: import javax.servlet.http.HttpServletResponse;
051:
052: import org.apache.struts.action.ActionForm;
053: import org.apache.struts.action.ActionMapping;
054: import org.apache.struts.action.ActionForward;
055:
056: import es.udc.mypersonalizer.kernel.model.metainfo.MetaProperty;
057: import es.udc.mypersonalizer.kernel.model.properties.Property;
058: import es.udc.mypersonalizer.kernel.model.properties.CompoundProperty;
059: import es.udc.mypersonalizer.kernel.model.properties.IllegalStringValuesException;
060:
061: import es.udc.mypersonalizer.admin.http.controller.actions.propertyeditor.interfaces.PropertyEditorConfigurationRegistry;
062: import es.udc.mypersonalizer.admin.http.controller.actions.propertyeditor.interfaces.PropertyAccessStrategy;
063: import es.udc.mypersonalizer.admin.http.controller.actions.propertyeditor.util.PropertyEditorHelper;
064: import es.udc.mypersonalizer.admin.http.controller.actions.util.ControllerHelper;
065: import es.udc.mypersonalizer.admin.http.view.actionforms.propertyeditor.UpdatePropertyForm;
066: import es.udc.mypersonalizer.admin.http.view.viewobjects.propertyeditor.ViewProperty;
067: import es.udc.mypersonalizer.admin.http.view.viewobjects.propertyeditor.ViewPropertyValue;
068: import es.udc.mypersonalizer.admin.http.view.viewobjects.propertyeditor.ViewPropertyInformation;
069:
070: /**
071: * This action is invoked to update the values of a single-valued compound
072: * property. It retrives its parameters from {@link UpdatePropertyForm} and
073: * processes the values received for each <code>simpleName<code> parameter.
074: * If they are correct, updates the property and redirects to
075: * <code>UpdateCompoundProperty</code> action, else returns to the input frm.
076: * <p>
077: * Of course, the properties to update are only those simple and single valued
078: * because these are the ones the user can give values using text-boxes.
079: * Properties that are not of this kind are not updated because the user can
080: * give values to them in the JSP frm.
081: *
082: * @author Abel Iago Toral Quiroga
083: * @since 1.0
084: */
085: public class ProcessUpdateSimpleSingleValuedPropertiesAction extends
086: PropertyEditorAction {
087:
088: protected ActionForward doExecuteWork(ActionMapping mapping,
089: ActionForm form, HttpServletRequest request,
090: HttpServletResponse response) throws Exception {
091:
092: /* Get parameters */
093: UpdatePropertyForm frm = (UpdatePropertyForm) form;
094: String peConfigurationIdentifier = frm.getPeConfId();
095: String serviceIdentifier = frm.getServId();
096: String propertyIdentifier = frm.getPropId();
097: String propertyStructureName = frm.getPropertyStructureName();
098: String propertySimpleName = frm.getPropertySimpleName();
099:
100: /* Get simple and single-valued properties to modify */
101: String[] simpleNames = frm.getSimpleNames();
102:
103: /* Get property access strategy */
104: PropertyAccessStrategy propertyAccessStrategy = PropertyEditorConfigurationRegistry
105: .getConfiguration(peConfigurationIdentifier)
106: .getPropertyAccessStrategy();
107:
108: /* Get the root property that is being edited */
109: Property rootProperty = propertyAccessStrategy.findProperty(
110: request, propertyIdentifier);
111: String rootPropertyName = rootProperty.getSimpleName();
112:
113: /* Modify simple and single-valued properties of
114: the current property */
115: String currentPropertyStructureName = propertyStructureName;
116: if (!propertyStructureName.equals("")) {
117: currentPropertyStructureName += "." + propertySimpleName
118: + ".";
119: }
120: currentPropertyStructureName += "0";
121:
122: /* Create a map with updated properties */
123: Map updatedProperties = new HashMap();
124:
125: Map formattedErrorMessages = new HashMap();
126: int i = 0;
127: while (i < simpleNames.length) {
128: /* Get the name of the property to modify and its new value */
129: String simpleName = (String) simpleNames[i];
130: String singleValue = request.getParameter(simpleName);
131:
132: /* Add property to map of updated properties */
133: PropertyEditorHelper.addUpdatedProperty(updatedProperties,
134: currentPropertyStructureName, simpleName,
135: singleValue);
136:
137: /* Get property to modify */
138: Property currentProperty = PropertyEditorHelper
139: .findProperty(rootProperty,
140: currentPropertyStructureName, simpleName);
141:
142: /* Confirm a valid value */
143: String[] valuesAsString = null;
144: if ((singleValue != null) && (singleValue.length() > 0)) {
145: valuesAsString = new String[1];
146: valuesAsString[0] = singleValue;
147: } else {
148: valuesAsString = new String[0];
149: }
150:
151: /* Set property new value */
152: try {
153: currentProperty.setValuesAsString(valuesAsString);
154: } catch (IllegalStringValuesException e) {
155: String formattedErrorMessage = ControllerHelper
156: .getFormattedErrorMessage(
157: getResources(request),
158: "ErrorMessages.incorrectValue");
159: formattedErrorMessages.put(simpleName,
160: formattedErrorMessage);
161: }
162:
163: i++;
164: }
165:
166: /* Check for specific strategy errors */
167: if (formattedErrorMessages.size() == 0) {
168: Map validateErrors = propertyAccessStrategy
169: .validateProperties(propertyIdentifier,
170: rootProperty, updatedProperties);
171: formattedErrorMessages = PropertyEditorHelper
172: .getFormattedErrorMessages(getResources(request),
173: validateErrors);
174: }
175:
176: /* Do forward : return to previous action */
177: if (formattedErrorMessages.size() == 0) {
178: propertyAccessStrategy.updateProperty(request,
179: propertyIdentifier, rootProperty);
180: return PropertyEditorHelper
181: .getReturnToUpdatePropertyForward(mapping,
182: "UpdateCompoundProperty",
183: peConfigurationIdentifier,
184: serviceIdentifier, propertyIdentifier,
185: propertyStructureName, propertySimpleName);
186: } else {
187: /* Create a view-object with properties information to
188: return to previous frm */
189: MetaProperty metaCompoundProperty = PropertyEditorHelper
190: .findMetaProperty(serviceIdentifier,
191: propertyStructureName, propertySimpleName);
192:
193: Property property = PropertyEditorHelper.findProperty(
194: rootProperty, propertyStructureName,
195: propertySimpleName);
196:
197: Collection viewPropertiesList = PropertyEditorHelper
198: .getViewPropertiesList((CompoundProperty) property,
199: metaCompoundProperty, 0);
200:
201: Collection viewPropertyValues = new ArrayList();
202: viewPropertyValues.add(new ViewPropertyValue(0,
203: viewPropertiesList));
204:
205: /* Check properties that had been gived an incorrect value */
206: Iterator iterator = viewPropertiesList.iterator();
207:
208: while (iterator.hasNext()) {
209: ViewProperty viewProperty = (ViewProperty) iterator
210: .next();
211: String propertyName = viewProperty.getSimpleName();
212: if (formattedErrorMessages.get(propertyName) != null) {
213: viewProperty
214: .setFormattedErrorMessage((String) formattedErrorMessages
215: .get(propertyName));
216: }
217: }
218:
219: ViewPropertyInformation viewPropertyInformation = new ViewPropertyInformation(
220: propertySimpleName, viewPropertyValues);
221:
222: /* Return to previous frm */
223: request.setAttribute("propertyInformation",
224: viewPropertyInformation);
225: return mapping.findForward("UpdateSingleValuedPropertyJSP");
226: }
227: }
228: }
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