001
014
015 package com.liferay.portlet.journalcontent.action;
016
017 import com.liferay.portal.kernel.io.unsync.UnsyncByteArrayInputStream;
018 import com.liferay.portal.kernel.language.LanguageUtil;
019 import com.liferay.portal.kernel.log.Log;
020 import com.liferay.portal.kernel.log.LogFactoryUtil;
021 import com.liferay.portal.kernel.servlet.ServletResponseUtil;
022 import com.liferay.portal.kernel.util.ArrayUtil;
023 import com.liferay.portal.kernel.util.ContentTypes;
024 import com.liferay.portal.kernel.util.MimeTypesUtil;
025 import com.liferay.portal.kernel.util.ParamUtil;
026 import com.liferay.portal.kernel.util.StringBundler;
027 import com.liferay.portal.kernel.util.StringPool;
028 import com.liferay.portal.kernel.util.Validator;
029 import com.liferay.portal.struts.ActionConstants;
030 import com.liferay.portal.struts.PortletAction;
031 import com.liferay.portal.theme.ThemeDisplay;
032 import com.liferay.portal.util.PortalUtil;
033 import com.liferay.portal.util.WebKeys;
034 import com.liferay.portlet.documentlibrary.util.DLUtil;
035 import com.liferay.portlet.documentlibrary.util.DocumentConversionUtil;
036 import com.liferay.portlet.journal.model.JournalArticleDisplay;
037 import com.liferay.portlet.journalcontent.util.JournalContentUtil;
038 import com.liferay.util.portlet.PortletRequestUtil;
039
040 import java.io.File;
041 import java.io.FileInputStream;
042 import java.io.InputStream;
043
044 import javax.portlet.ActionRequest;
045 import javax.portlet.ActionResponse;
046 import javax.portlet.PortletConfig;
047 import javax.portlet.PortletPreferences;
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
055
058 public class ExportArticleAction extends PortletAction {
059
060 @Override
061 public void processAction(
062 ActionMapping actionMapping, ActionForm actionForm,
063 PortletConfig portletConfig, ActionRequest actionRequest,
064 ActionResponse actionResponse)
065 throws Exception {
066
067 try {
068 long groupId = ParamUtil.getLong(actionRequest, "groupId");
069 String articleId = ParamUtil.getString(actionRequest, "articleId");
070
071 String targetExtension = ParamUtil.getString(
072 actionRequest, "targetExtension");
073
074 PortletPreferences preferences = actionRequest.getPreferences();
075
076 String[] allowedExtensions = preferences.getValues(
077 "extensions", null);
078
079 String languageId = LanguageUtil.getLanguageId(actionRequest);
080
081 ThemeDisplay themeDisplay =
082 (ThemeDisplay)actionRequest.getAttribute(WebKeys.THEME_DISPLAY);
083
084 String xmlRequest = PortletRequestUtil.toXML(
085 actionRequest, actionResponse);
086
087 HttpServletRequest request = PortalUtil.getHttpServletRequest(
088 actionRequest);
089 HttpServletResponse response = PortalUtil.getHttpServletResponse(
090 actionResponse);
091
092 getFile(
093 groupId, articleId, targetExtension, allowedExtensions,
094 languageId, themeDisplay, xmlRequest, request, response);
095
096 setForward(actionRequest, ActionConstants.COMMON_NULL);
097 }
098 catch (Exception e) {
099 PortalUtil.sendError(e, actionRequest, actionResponse);
100 }
101 }
102
103 protected void getFile(
104 long groupId, String articleId, String targetExtension,
105 String[] allowedExtensions, String languageId,
106 ThemeDisplay themeDisplay, String xmlRequest,
107 HttpServletRequest request, HttpServletResponse response)
108 throws Exception {
109
110 try {
111 JournalArticleDisplay articleDisplay =
112 JournalContentUtil.getDisplay(
113 groupId, articleId, null, "export", languageId,
114 themeDisplay, 1, xmlRequest);
115
116 int pages = articleDisplay.getNumberOfPages();
117
118 StringBundler sb = new StringBundler(pages + 12);
119
120 sb.append("<html>");
121
122 sb.append("<head>");
123 sb.append("<meta content=\"");
124 sb.append(ContentTypes.TEXT_HTML_UTF8);
125 sb.append("\" http-equiv=\"content-type\" />");
126 sb.append("<base href=\"");
127 sb.append(themeDisplay.getPortalURL());
128 sb.append("\" />");
129 sb.append("</head>");
130
131 sb.append("<body>");
132
133 sb.append(articleDisplay.getContent());
134
135 for (int i = 2; i <= pages; i++) {
136 articleDisplay = JournalContentUtil.getDisplay(
137 groupId, articleId, "export", languageId, themeDisplay, i);
138
139 sb.append(articleDisplay.getContent());
140 }
141
142 sb.append("</body>");
143 sb.append("</html>");
144
145 InputStream is = new UnsyncByteArrayInputStream(
146 sb.toString().getBytes(StringPool.UTF8));
147
148 String title = articleDisplay.getTitle();
149 String sourceExtension = "html";
150
151 String fileName = title.concat(StringPool.PERIOD).concat(
152 sourceExtension);
153
154 if (Validator.isNotNull(targetExtension) &&
155 ArrayUtil.contains(allowedExtensions, targetExtension)) {
156
157 String id = DLUtil.getTempFileId(
158 articleDisplay.getId(),
159 String.valueOf(articleDisplay.getVersion()), languageId);
160
161 File convertedFile = DocumentConversionUtil.convert(
162 id, is, sourceExtension, targetExtension);
163
164 if (convertedFile != null) {
165 fileName = title.concat(StringPool.PERIOD).concat(
166 targetExtension);
167
168 is = new FileInputStream(convertedFile);
169 }
170 }
171
172 String contentType = MimeTypesUtil.getContentType(fileName);
173
174 ServletResponseUtil.sendFile(
175 request, response, fileName, is, contentType);
176 }
177 catch (Exception e) {
178 _log.error(e, e);
179 }
180 }
181
182 @Override
183 protected boolean isCheckMethodOnProcessAction() {
184 return _CHECK_METHOD_ON_PROCESS_ACTION;
185 }
186
187 private static final boolean _CHECK_METHOD_ON_PROCESS_ACTION = false;
188
189 private static Log _log = LogFactoryUtil.getLog(ExportArticleAction.class);
190
191 }