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 portletPreferences =
075 actionRequest.getPreferences();
076
077 String[] allowedExtensions = portletPreferences.getValues(
078 "extensions", null);
079
080 String languageId = LanguageUtil.getLanguageId(actionRequest);
081
082 ThemeDisplay themeDisplay =
083 (ThemeDisplay)actionRequest.getAttribute(WebKeys.THEME_DISPLAY);
084
085 String xmlRequest = PortletRequestUtil.toXML(
086 actionRequest, actionResponse);
087
088 HttpServletRequest request = PortalUtil.getHttpServletRequest(
089 actionRequest);
090 HttpServletResponse response = PortalUtil.getHttpServletResponse(
091 actionResponse);
092
093 getFile(
094 groupId, articleId, targetExtension, allowedExtensions,
095 languageId, themeDisplay, xmlRequest, request, response);
096
097 setForward(actionRequest, ActionConstants.COMMON_NULL);
098 }
099 catch (Exception e) {
100 PortalUtil.sendError(e, actionRequest, actionResponse);
101 }
102 }
103
104 protected void getFile(
105 long groupId, String articleId, String targetExtension,
106 String[] allowedExtensions, String languageId,
107 ThemeDisplay themeDisplay, String xmlRequest,
108 HttpServletRequest request, HttpServletResponse response)
109 throws Exception {
110
111 try {
112 JournalArticleDisplay articleDisplay =
113 JournalContentUtil.getDisplay(
114 groupId, articleId, null, "export", languageId,
115 themeDisplay, 1, xmlRequest);
116
117 int pages = articleDisplay.getNumberOfPages();
118
119 StringBundler sb = new StringBundler(pages + 12);
120
121 sb.append("<html>");
122
123 sb.append("<head>");
124 sb.append("<meta content=\"");
125 sb.append(ContentTypes.TEXT_HTML_UTF8);
126 sb.append("\" http-equiv=\"content-type\" />");
127 sb.append("<base href=\"");
128 sb.append(themeDisplay.getPortalURL());
129 sb.append("\" />");
130 sb.append("</head>");
131
132 sb.append("<body>");
133
134 sb.append(articleDisplay.getContent());
135
136 for (int i = 2; i <= pages; i++) {
137 articleDisplay = JournalContentUtil.getDisplay(
138 groupId, articleId, "export", languageId, themeDisplay, i);
139
140 sb.append(articleDisplay.getContent());
141 }
142
143 sb.append("</body>");
144 sb.append("</html>");
145
146 InputStream is = new UnsyncByteArrayInputStream(
147 sb.toString().getBytes(StringPool.UTF8));
148
149 String title = articleDisplay.getTitle();
150 String sourceExtension = "html";
151
152 String fileName = title.concat(StringPool.PERIOD).concat(
153 sourceExtension);
154
155 if (Validator.isNotNull(targetExtension) &&
156 ArrayUtil.contains(allowedExtensions, targetExtension)) {
157
158 String id = DLUtil.getTempFileId(
159 articleDisplay.getId(),
160 String.valueOf(articleDisplay.getVersion()), languageId);
161
162 File convertedFile = DocumentConversionUtil.convert(
163 id, is, sourceExtension, targetExtension);
164
165 if (convertedFile != null) {
166 fileName = title.concat(StringPool.PERIOD).concat(
167 targetExtension);
168
169 is = new FileInputStream(convertedFile);
170 }
171 }
172
173 String contentType = MimeTypesUtil.getContentType(fileName);
174
175 ServletResponseUtil.sendFile(
176 request, response, fileName, is, contentType);
177 }
178 catch (Exception e) {
179 _log.error(e, e);
180 }
181 }
182
183 @Override
184 protected boolean isCheckMethodOnProcessAction() {
185 return _CHECK_METHOD_ON_PROCESS_ACTION;
186 }
187
188 private static final boolean _CHECK_METHOD_ON_PROCESS_ACTION = false;
189
190 private static Log _log = LogFactoryUtil.getLog(ExportArticleAction.class);
191
192 }