001: /*
002: * $Header: /export/home/cvsroot/MyPersonalizerRepository/MyPersonalizer/Subsystems/Admin/Sources/es/udc/mypersonalizer/admin/http/controller/actions/groupmgnt/GroupsManagementMainAction.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.groupmgnt;
042:
043: import java.util.Collection;
044: import java.util.ArrayList;
045: import java.util.Iterator;
046: import java.util.Map;
047:
048: import javax.servlet.http.HttpServletRequest;
049: import javax.servlet.http.HttpServletResponse;
050:
051: import org.apache.struts.action.ActionForm;
052: import org.apache.struts.action.ActionMapping;
053: import org.apache.struts.action.ActionForward;
054:
055: import es.udc.mypersonalizer.kernel.conventions.UserAndGroupConventions;
056: import es.udc.mypersonalizer.kernel.model.repository.interfaces.UserGroup;
057: import es.udc.mypersonalizer.kernel.controller.actions.DefaultAction;
058: import es.udc.mypersonalizer.kernel.model.actions.ActionProcessorSingleton;
059:
060: import es.udc.mypersonalizer.admin.model.types.usergroupmgnt.FindAllGroupsEvent;
061: import es.udc.mypersonalizer.admin.http.view.actionforms.groupmgnt.GroupsManagementMainForm;
062: import es.udc.mypersonalizer.admin.http.controller.actions.util.ControllerHelper;
063: import es.udc.mypersonalizer.admin.http.view.viewobjects.groupmgnt.ViewUserGroup;
064:
065: /**
066: * This action retives the registered user groups using the page-by-page
067: * iterator pattern. For its work this action uses the
068: * {@link GroupsManagementMainForm} <code>ActionForm</code>.
069: * <p>
070: * After the above it forwards to <code>GroupsManagementMainJSP</code> page.
071: *
072: * @author Abel Iago Toral Quiroga
073: * @since 1.0
074: */
075: public class GroupsManagementMainAction extends DefaultAction {
076:
077: protected ActionForward doExecute(ActionMapping mapping,
078: ActionForm form, HttpServletRequest request,
079: HttpServletResponse response) throws Exception {
080:
081: /* Get parameters : startIndex, count */
082: GroupsManagementMainForm frm = (GroupsManagementMainForm) form;
083: int startIndex = frm.getStartIndex();
084: int count = frm.getCount();
085:
086: /* Get all user groups */
087: FindAllGroupsEvent findAllGroupsEvent = new FindAllGroupsEvent(
088: startIndex, count);
089: Collection userGroups = (Collection) ActionProcessorSingleton
090: .getInstance().execute("FindAllGroupsAction",
091: findAllGroupsEvent);
092:
093: /* Create view objects */
094:
095: // Groups
096: Collection viewGroups = new ArrayList();
097: Iterator userGroupsIterator = userGroups.iterator();
098: while (userGroupsIterator.hasNext()) {
099: UserGroup userGroup = (UserGroup) userGroupsIterator.next();
100:
101: ViewUserGroup viewUserGroup = null;
102: if (userGroup.getName().equals(
103: UserAndGroupConventions.EVERYBODY_GROUP_NAME)) {
104: viewUserGroup = new ViewUserGroup(userGroup
105: .getUserGroupIdentifier(), userGroup.getName(),
106: false);
107: } else {
108: viewUserGroup = new ViewUserGroup(userGroup
109: .getUserGroupIdentifier(), userGroup.getName(),
110: true);
111: }
112:
113: viewGroups.add(viewUserGroup);
114: }
115: request.setAttribute("groups", viewGroups);
116:
117: // Previous and Next links parameters
118: Map previousLinkParameters = ControllerHelper
119: .getPreviousLinkParameters("startIndex", "count",
120: startIndex, count);
121: Map nextLinkParameters = ControllerHelper
122: .getNextLinkParameters("startIndex", "count",
123: startIndex, count, userGroups.size());
124: request.setAttribute("previousLinkParameters",
125: previousLinkParameters);
126: request.setAttribute("nextLinkParameters", nextLinkParameters);
127:
128: /* Do forward */
129: return mapping.findForward("GroupsManagementMainJSP");
130: }
131: }
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