001    /**
002     * Copyright (c) 2000-2012 Liferay, Inc. All rights reserved.
003     *
004     * This library is free software; you can redistribute it and/or modify it under
005     * the terms of the GNU Lesser General Public License as published by the Free
006     * Software Foundation; either version 2.1 of the License, or (at your option)
007     * any later version.
008     *
009     * This library is distributed in the hope that it will be useful, but WITHOUT
010     * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
011     * FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
012     * details.
013     */
014    
015    package com.liferay.portlet.workflowdefinitions.action;
016    
017    import com.liferay.portal.kernel.language.LanguageUtil;
018    import com.liferay.portal.kernel.servlet.SessionErrors;
019    import com.liferay.portal.kernel.upload.UploadPortletRequest;
020    import com.liferay.portal.kernel.util.Constants;
021    import com.liferay.portal.kernel.util.LocaleUtil;
022    import com.liferay.portal.kernel.util.LocalizationUtil;
023    import com.liferay.portal.kernel.util.ParamUtil;
024    import com.liferay.portal.kernel.util.StreamUtil;
025    import com.liferay.portal.kernel.util.StringPool;
026    import com.liferay.portal.kernel.util.Validator;
027    import com.liferay.portal.kernel.workflow.WorkflowDefinition;
028    import com.liferay.portal.kernel.workflow.WorkflowDefinitionFileException;
029    import com.liferay.portal.kernel.workflow.WorkflowDefinitionManagerUtil;
030    import com.liferay.portal.kernel.workflow.WorkflowException;
031    import com.liferay.portal.struts.PortletAction;
032    import com.liferay.portal.theme.ThemeDisplay;
033    import com.liferay.portal.util.PortalUtil;
034    import com.liferay.portal.util.WebKeys;
035    
036    import java.io.InputStream;
037    
038    import java.util.Locale;
039    import java.util.Map;
040    
041    import javax.portlet.ActionRequest;
042    import javax.portlet.ActionResponse;
043    import javax.portlet.PortletConfig;
044    import javax.portlet.RenderRequest;
045    import javax.portlet.RenderResponse;
046    
047    import org.apache.struts.action.ActionForm;
048    import org.apache.struts.action.ActionForward;
049    import org.apache.struts.action.ActionMapping;
050    
051    /**
052     * @author Bruno Farache
053     */
054    public class EditWorkflowDefinitionAction extends PortletAction {
055    
056            @Override
057            public void processAction(
058                            ActionMapping mapping, ActionForm form, PortletConfig portletConfig,
059                            ActionRequest actionRequest, ActionResponse actionResponse)
060                    throws Exception {
061    
062                    String cmd = ParamUtil.getString(actionRequest, Constants.CMD);
063    
064                    try {
065                            if (cmd.equals(Constants.ADD) || cmd.equals(Constants.UPDATE)) {
066                                    updateWorkflowDefinition(actionRequest);
067                            }
068                            else if (cmd.equals(Constants.DEACTIVATE) ||
069                                             cmd.equals(Constants.DELETE) ||
070                                             cmd.equals(Constants.RESTORE)) {
071    
072                                    deleteWorkflowDefinition(actionRequest);
073                            }
074    
075                            sendRedirect(actionRequest, actionResponse);
076                    }
077                    catch (Exception e) {
078                            if (e instanceof WorkflowDefinitionFileException) {
079                                    SessionErrors.add(actionRequest, e.getClass().getName());
080                            }
081                            else if (e instanceof WorkflowException) {
082                                    SessionErrors.add(actionRequest, e.getClass().getName());
083    
084                                    setForward(actionRequest, "portlet.workflow_definitions.error");
085                            }
086                            else {
087                                    throw e;
088                            }
089                    }
090            }
091    
092            @Override
093            public ActionForward render(
094                            ActionMapping mapping, ActionForm form, PortletConfig portletConfig,
095                            RenderRequest renderRequest, RenderResponse renderResponse)
096                    throws Exception {
097    
098                    try {
099                            ActionUtil.getWorkflowDefinition(renderRequest);
100                    }
101                    catch (Exception e) {
102                            if (e instanceof WorkflowException) {
103                                    SessionErrors.add(renderRequest, e.getClass().getName());
104    
105                                    return mapping.findForward(
106                                            "portlet.workflow_definitions.error");
107                            }
108                            else {
109                                    throw e;
110                            }
111                    }
112    
113                    return mapping.findForward(getForward(
114                            renderRequest,
115                            "portlet.workflow_definitions.edit_workflow_definition"));
116            }
117    
118            protected void deleteWorkflowDefinition(ActionRequest actionRequest)
119                    throws Exception {
120    
121                    String cmd = ParamUtil.getString(actionRequest, Constants.CMD);
122    
123                    ThemeDisplay themeDisplay = (ThemeDisplay)actionRequest.getAttribute(
124                            WebKeys.THEME_DISPLAY);
125    
126                    String name = ParamUtil.getString(actionRequest, "name");
127                    int version = ParamUtil.getInteger(actionRequest, "version");
128    
129                    if (cmd.equals(Constants.DEACTIVATE) || cmd.equals(Constants.RESTORE)) {
130                            boolean active = !cmd.equals(Constants.DEACTIVATE);
131    
132                            WorkflowDefinitionManagerUtil.updateActive(
133                                    themeDisplay.getCompanyId(), themeDisplay.getUserId(), name,
134                                    version, active);
135                    }
136                    else {
137                            WorkflowDefinitionManagerUtil.undeployWorkflowDefinition(
138                                    themeDisplay.getCompanyId(), themeDisplay.getUserId(), name,
139                                    version);
140                    }
141            }
142    
143            protected String getTitle(Map<Locale, String> titleMap) {
144                    if (titleMap == null) {
145                            return null;
146                    }
147    
148                    String value = StringPool.BLANK;
149    
150                    Locale[] locales = LanguageUtil.getAvailableLocales();
151    
152                    for (Locale locale : locales) {
153                            String languageId = LocaleUtil.toLanguageId(locale);
154                            String title = titleMap.get(locale);
155    
156                            if (Validator.isNotNull(title)) {
157                                    value = LocalizationUtil.updateLocalization(
158                                            value, "Title", title, languageId);
159                            }
160                            else {
161                                    value = LocalizationUtil.removeLocalization(
162                                            value, "Title", languageId);
163                            }
164                    }
165    
166                    return value;
167            }
168    
169            @Override
170            protected boolean isCheckMethodOnProcessAction() {
171                    return _CHECK_METHOD_ON_PROCESS_ACTION;
172            }
173    
174            protected void updateWorkflowDefinition(ActionRequest actionRequest)
175                    throws Exception {
176    
177                    UploadPortletRequest uploadPortletRequest =
178                            PortalUtil.getUploadPortletRequest(actionRequest);
179    
180                    ThemeDisplay themeDisplay = (ThemeDisplay)actionRequest.getAttribute(
181                            WebKeys.THEME_DISPLAY);
182    
183                    Map<Locale, String> titleMap = LocalizationUtil.getLocalizationMap(
184                            actionRequest, "title");
185    
186                    InputStream inputStream = null;
187    
188                    try {
189                            inputStream = uploadPortletRequest.getFileAsStream("file");
190    
191                            WorkflowDefinition workflowDefinition = null;
192    
193                            if (inputStream == null) {
194                                    String name = ParamUtil.getString(actionRequest, "name");
195                                    int version = ParamUtil.getInteger(actionRequest, "version");
196    
197                                    workflowDefinition =
198                                            WorkflowDefinitionManagerUtil.getWorkflowDefinition(
199                                                    themeDisplay.getCompanyId(), name, version);
200    
201                                    WorkflowDefinitionManagerUtil.updateTitle(
202                                            themeDisplay.getCompanyId(), themeDisplay.getUserId(), name,
203                                            version, getTitle(titleMap));
204                            }
205                            else {
206                                    workflowDefinition =
207                                            WorkflowDefinitionManagerUtil.deployWorkflowDefinition(
208                                                    themeDisplay.getCompanyId(), themeDisplay.getUserId(),
209                                                    getTitle(titleMap), inputStream);
210                            }
211    
212                            actionRequest.setAttribute(
213                                    WebKeys.WORKFLOW_DEFINITION, workflowDefinition);
214                    }
215                    finally {
216                            StreamUtil.cleanUp(inputStream);
217                    }
218    
219            }
220    
221            private static final boolean _CHECK_METHOD_ON_PROCESS_ACTION = false;
222    
223    }