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.assettagadmin.action;
016    
017    import com.liferay.portal.kernel.json.JSONFactoryUtil;
018    import com.liferay.portal.kernel.json.JSONObject;
019    import com.liferay.portal.kernel.util.Constants;
020    import com.liferay.portal.kernel.util.ParamUtil;
021    import com.liferay.portal.kernel.util.StringPool;
022    import com.liferay.portal.kernel.util.StringUtil;
023    import com.liferay.portal.kernel.util.Validator;
024    import com.liferay.portal.service.ServiceContext;
025    import com.liferay.portal.service.ServiceContextFactory;
026    import com.liferay.portal.struts.PortletAction;
027    import com.liferay.portlet.asset.model.AssetTag;
028    import com.liferay.portlet.asset.service.AssetTagServiceUtil;
029    
030    import javax.portlet.ActionRequest;
031    import javax.portlet.ActionResponse;
032    import javax.portlet.PortletConfig;
033    import javax.portlet.RenderRequest;
034    import javax.portlet.RenderResponse;
035    
036    import org.apache.struts.action.ActionForm;
037    import org.apache.struts.action.ActionForward;
038    import org.apache.struts.action.ActionMapping;
039    
040    /**
041     * @author Brian Wing Shun Chan
042     * @author Julio Camarero
043     */
044    public class EditTagAction extends PortletAction {
045    
046            @Override
047            public void processAction(
048                            ActionMapping mapping, ActionForm form, PortletConfig portletConfig,
049                            ActionRequest actionRequest, ActionResponse actionResponse)
050                    throws Exception {
051    
052                    JSONObject jsonObject = JSONFactoryUtil.createJSONObject();
053    
054                    String cmd = ParamUtil.getString(actionRequest, Constants.CMD);
055    
056                    try {
057                            if (cmd.equals(Constants.ADD) || cmd.equals(Constants.UPDATE)) {
058                                    jsonObject = updateTag(actionRequest);
059                            }
060                            else if (cmd.equals(Constants.MERGE)) {
061                                    jsonObject = mergeTag(actionRequest);
062                            }
063                    }
064                    catch (Exception e) {
065                            jsonObject.putException(e);
066                    }
067    
068                    writeJSON(actionRequest, actionResponse, jsonObject);
069            }
070    
071            @Override
072            public ActionForward render(
073                            ActionMapping mapping, ActionForm form, PortletConfig portletConfig,
074                            RenderRequest renderRequest, RenderResponse renderResponse)
075                    throws Exception {
076    
077                    ActionUtil.getTag(renderRequest);
078    
079                    return mapping.findForward(
080                            getForward(renderRequest, "portlet.asset_tag_admin.edit_tag"));
081            }
082    
083            protected String[] getTagProperties(ActionRequest actionRequest) {
084                    int[] tagPropertiesIndexes = StringUtil.split(
085                            ParamUtil.getString(actionRequest, "tagPropertiesIndexes"), 0);
086    
087                    String[] tagProperties = new String[tagPropertiesIndexes.length];
088    
089                    for (int i = 0; i < tagPropertiesIndexes.length; i++) {
090                            int tagPropertiesIndex = tagPropertiesIndexes[i];
091    
092                            String key = ParamUtil.getString(
093                                    actionRequest, "key" + tagPropertiesIndex);
094    
095                            if (Validator.isNull(key)) {
096                                    continue;
097                            }
098    
099                            String value = ParamUtil.getString(
100                                    actionRequest, "value" + tagPropertiesIndex);
101    
102                            tagProperties[i] = key + StringPool.COLON + value;
103                    }
104    
105                    return tagProperties;
106            }
107    
108            protected JSONObject mergeTag(ActionRequest actionRequest)
109                    throws Exception {
110    
111                    long fromTagId = ParamUtil.getLong(actionRequest, "fromTagId");
112                    long toTagId = ParamUtil.getLong(actionRequest, "toTagId");
113    
114                    AssetTagServiceUtil.mergeTags(fromTagId, toTagId, false);
115    
116                    JSONObject jsonObject = JSONFactoryUtil.createJSONObject();
117    
118                    jsonObject.put("tagId", toTagId);
119    
120                    return jsonObject;
121            }
122    
123            protected JSONObject updateTag(ActionRequest actionRequest)
124                    throws Exception {
125    
126                    long tagId = ParamUtil.getLong(actionRequest, "tagId");
127    
128                    String name = ParamUtil.getString(actionRequest, "name");
129    
130                    String[] tagProperties = getTagProperties(actionRequest);
131    
132                    ServiceContext serviceContext = ServiceContextFactory.getInstance(
133                            AssetTag.class.getName(), actionRequest);
134    
135                    AssetTag tag = null;
136    
137                    if (tagId <= 0) {
138    
139                            // Add tag
140    
141                            tag = AssetTagServiceUtil.addTag(
142                                    name, tagProperties, serviceContext);
143                    }
144                    else {
145    
146                            // Update tag
147    
148                            tag = AssetTagServiceUtil.updateTag(
149                                    tagId, name, tagProperties, serviceContext);
150                    }
151    
152                    JSONObject jsonObject = JSONFactoryUtil.createJSONObject();
153    
154                    jsonObject.put("tagId", tag.getTagId());
155    
156                    return jsonObject;
157            }
158    
159    }