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31 package org.blojsom.plugin.admin;
32
33 import org.apache.commons.logging.Log;
34 import org.apache.commons.logging.LogFactory;
35 import org.blojsom.blog.Blog;
36 import org.blojsom.blog.Entry;
37 import org.blojsom.event.EventBroadcaster;
38 import org.blojsom.plugin.PluginException;
39 import org.blojsom.plugin.admin.event.ProcessRequestEvent;
40 import org.blojsom.util.BlojsomConstants;
41 import org.blojsom.util.BlojsomUtils;
42 import org.blojsom.fetcher.Fetcher;
43 import org.blojsom.fetcher.FetcherException;
44
45 import javax.servlet.http.HttpServletRequest  ;
46 import javax.servlet.http.HttpServletResponse ;
47 import java.io.File ;
48 import java.io.IOException ;
49 import java.util.*;
50
51
58 public class ThemeSwitcherPlugin extends WebAdminPlugin {
59
60 private Log _logger = LogFactory.getLog(ThemeSwitcherPlugin.class);
61
62 private static final String FAILED_PERMISSION_KEY = "failed.theme.switch.permission.text";
64 private static final String NONE_SELECTED_KEY = "no.theme.flavor.selected.text";
65 private static final String ADMIN_FLAVOR_PROTECTED_KEY = "admin.flavor.protected.text";
66 private static final String FAILED_THEME_TEMPLATE_COPY_KEY = "failed.theme.template.copy.text";
67 private static final String FAILED_FLAVOR_WRITE_KEY = "failed.flavor.write.text";
68 private static final String THEME_SWITCHED_KEY = "theme.switched.text";
69
70 private static final String THEME_SWITCHER_SETTINGS_PAGE = "/org/blojsom/plugin/admin/templates/admin-theme-switcher-settings";
72
73 private static final String THEME_SWITCHER_PLUGIN_AVAILABLE_THEMES = "THEME_SWITCHER_PLUGIN_AVAILABLE_THEMES";
75 private static final String THEME_SWITCHER_PLUGIN_FLAVORS = "THEME_SWITCHER_PLUGIN_FLAVORS";
76 private static final String THEME_SWITCHER_PLUGIN_DEFAULT_FLAVOR = "THEME_SWITCHER_PLUGIN_DEFAULT_FLAVOR";
77 private static final String CURRENT_HTML_THEME = "CURRENT_HTML_THEME";
78
79 private static final String SWITCH_THEME_ACTION = "switch-theme";
81
82 private static final String THEME = "theme";
84 private static final String FLAVOR = "flavor-name";
85
86 private static final String SWITCH_THEME_PERMISSION = "switch_theme_permission";
88 private static final String DEFAULT_THEMES_DIRECTORY = "/themes/";
89 private static final String THEMES_DIRECTORY_IP = "themes-directory";
90
91 private String _themesDirectory;
92 private Properties _blojsomProperties;
93 private Fetcher _fetcher;
94 private EventBroadcaster _eventBroadcaster;
95
96
99 public ThemeSwitcherPlugin() {
100 }
101
102
107 public void setEventBroadcaster(EventBroadcaster eventBroadcaster) {
108 _eventBroadcaster = eventBroadcaster;
109 }
110
111
116 public void setFetcher(Fetcher fetcher) {
117 _fetcher = fetcher;
118 }
119
120
125 public void setBlojsomProperties(Properties blojsomProperties) {
126 _blojsomProperties = blojsomProperties;
127 }
128
129
135 public void init() throws PluginException {
136 super.init();
137
138 _themesDirectory = _blojsomProperties.getProperty(THEMES_DIRECTORY_IP);
139 if (BlojsomUtils.checkNullOrBlank(_themesDirectory)) {
140 _themesDirectory = DEFAULT_THEMES_DIRECTORY;
141 }
142
143 _themesDirectory = BlojsomUtils.checkStartingAndEndingSlash(_themesDirectory);
144 }
145
146
151 public String getDisplayName() {
152 return "Theme Switcher plugin";
153 }
154
155
160 public String getInitialPage() {
161 return THEME_SWITCHER_SETTINGS_PAGE;
162 }
163
164
169 protected String [] getAvailableThemes() {
170 ArrayList themes = new ArrayList(0);
171
172 File themesDirectory = new File (_servletConfig.getServletContext().getRealPath("/") + BlojsomConstants.DEFAULT_CONFIGURATION_BASE_DIRECTORY + _themesDirectory);
173
174 if (themesDirectory.exists() && themesDirectory.isDirectory()) {
175 File [] themesInstalled = themesDirectory.listFiles(BlojsomUtils.getDirectoryFilter());
176 if (themesInstalled != null && themesInstalled.length > 0) {
177 for (int i = 0; i < themesInstalled.length; i++) {
178 File installedTheme = themesInstalled[i];
179 themes.add(installedTheme.getName());
180 }
181 }
182 }
183
184 String [] availableThemes = (String []) themes.toArray(new String [themes.size()]);
185 Arrays.sort(availableThemes);
186
187 return availableThemes;
188 }
189
190
202 public Entry[] process(HttpServletRequest httpServletRequest, HttpServletResponse httpServletResponse, Blog blog, Map context, Entry[] entries) throws PluginException {
203 entries = super.process(httpServletRequest, httpServletResponse, blog, context, entries);
204 String page = BlojsomUtils.getRequestValue(BlojsomConstants.PAGE_PARAM, httpServletRequest);
205
206 String username = getUsernameFromSession(httpServletRequest, blog);
207 if (!checkPermission(blog, null, username, SWITCH_THEME_PERMISSION)) {
208 httpServletRequest.setAttribute(BlojsomConstants.PAGE_PARAM, ADMIN_ADMINISTRATION_PAGE);
209 addOperationResultMessage(context, getAdminResource(FAILED_PERMISSION_KEY, FAILED_PERMISSION_KEY, blog.getBlogAdministrationLocale()));
210
211 return entries;
212 }
213
214 if (ADMIN_LOGIN_PAGE.equals(page)) {
215 return entries;
216 } else {
217 String action = BlojsomUtils.getRequestValue(ACTION_PARAM, httpServletRequest);
218
219 context.put(THEME_SWITCHER_PLUGIN_AVAILABLE_THEMES, getAvailableThemes());
220 context.put(THEME_SWITCHER_PLUGIN_FLAVORS, new TreeMap(blog.getTemplates()));
221 context.put(THEME_SWITCHER_PLUGIN_DEFAULT_FLAVOR, blog.getBlogDefaultFlavor());
222 String currentHtmlFlavor = (String ) blog.getTemplates().get(BlojsomConstants.DEFAULT_FLAVOR_HTML);
223 currentHtmlFlavor = currentHtmlFlavor.substring(0, currentHtmlFlavor.indexOf('.'));
224 context.put(CURRENT_HTML_THEME, currentHtmlFlavor);
225
226 if (SWITCH_THEME_ACTION.equals(action)) {
227 String theme = BlojsomUtils.getRequestValue(THEME, httpServletRequest);
228 String flavor = BlojsomUtils.getRequestValue(FLAVOR, httpServletRequest);
229
230 if (BlojsomUtils.checkNullOrBlank(theme) || BlojsomUtils.checkNullOrBlank(flavor)) {
231 addOperationResultMessage(context, getAdminResource(NONE_SELECTED_KEY, NONE_SELECTED_KEY, blog.getBlogAdministrationLocale()));
232 return entries;
233 }
234
235 if ("admin".equalsIgnoreCase(flavor)) {
236 addOperationResultMessage(context, getAdminResource(ADMIN_FLAVOR_PROTECTED_KEY, ADMIN_FLAVOR_PROTECTED_KEY, blog.getBlogAdministrationLocale()));
237 return entries;
238 }
239
240 File copyFromTemplatesDirectory = new File (_servletConfig.getServletContext().getRealPath("/") +
241 BlojsomConstants.DEFAULT_CONFIGURATION_BASE_DIRECTORY + _themesDirectory + theme +
242 "/" + _blojsomProperties.getProperty(BlojsomConstants.TEMPLATES_DIRECTORY_IP));
243
244 File [] templateFiles = copyFromTemplatesDirectory.listFiles();
245 String mainTemplate = null;
246
247 if (templateFiles != null && templateFiles.length > 0) {
248 for (int i = 0; i < templateFiles.length; i++) {
249 File templateFile = templateFiles[i];
250 if (!templateFile.isDirectory()) {
251 if (templateFile.getName().startsWith(theme + ".")) {
252 mainTemplate = templateFile.getName();
253 }
254 }
255 }
256 }
257
258 File copyToTemplatesDirectory = new File (_servletConfig.getServletContext().getRealPath("/") +
259 BlojsomConstants.DEFAULT_CONFIGURATION_BASE_DIRECTORY +
260 _blojsomProperties.getProperty(BlojsomConstants.BLOGS_DIRECTORY_IP) + blog.getBlogId() +
261 "/" + _blojsomProperties.getProperty(BlojsomConstants.TEMPLATES_DIRECTORY_IP));
262
263 try {
264 BlojsomUtils.copyDirectory(copyFromTemplatesDirectory, copyToTemplatesDirectory);
265 } catch (IOException e) {
266 _logger.error(e);
267 addOperationResultMessage(context, getAdminResource(FAILED_THEME_TEMPLATE_COPY_KEY, FAILED_THEME_TEMPLATE_COPY_KEY, blog.getBlogAdministrationLocale()));
268 }
269
270 File copyFromResourcesDirectory = new File (_servletConfig.getServletContext().getRealPath("/") +
271 BlojsomConstants.DEFAULT_CONFIGURATION_BASE_DIRECTORY + _themesDirectory + theme + "/" +
272 _blojsomProperties.getProperty(BlojsomConstants.RESOURCES_DIRECTORY_IP));
273 File copyToResourcesDirectory = new File (_servletConfig.getServletContext().getRealPath("/") +
274 _blojsomProperties.getProperty(BlojsomConstants.RESOURCES_DIRECTORY_IP) + blog.getBlogId() + "/");
275
276 try {
277 BlojsomUtils.copyDirectory(copyFromResourcesDirectory, copyToResourcesDirectory);
278 } catch (IOException e) {
279 _logger.error(e);
280 addOperationResultMessage(context, getAdminResource(FAILED_THEME_TEMPLATE_COPY_KEY, FAILED_THEME_TEMPLATE_COPY_KEY, blog.getBlogAdministrationLocale()));
281 }
282
283 try {
284 if (mainTemplate == null) {
285 mainTemplate = (String ) blog.getTemplates().get(flavor);
286
287 _logger.debug("No main template supplied for " + theme + " theme. Using existing template for flavor: " + mainTemplate);
288 } else {
289 if (BlojsomConstants.DEFAULT_FLAVOR_HTML.equals(flavor)) {
290 mainTemplate += ", " + "text/html;charset=UTF-8";
291 }
292 }
293
294 Map templates = new HashMap(blog.getTemplates());
295 templates.put(flavor, mainTemplate);
296 blog.setTemplates(templates);
297
298 _fetcher.saveBlog(blog);
299 } catch (FetcherException e) {
300 _logger.error(e);
301 addOperationResultMessage(context, getAdminResource(FAILED_FLAVOR_WRITE_KEY, FAILED_FLAVOR_WRITE_KEY, blog.getBlogAdministrationLocale()));
302
303 return entries;
304 }
305
306 currentHtmlFlavor = (String ) blog.getTemplates().get(BlojsomConstants.DEFAULT_FLAVOR_HTML);
307 currentHtmlFlavor = currentHtmlFlavor.substring(0, currentHtmlFlavor.indexOf('.'));
308 context.put(CURRENT_HTML_THEME, currentHtmlFlavor);
309
310 addOperationResultMessage(context, formatAdminResource(THEME_SWITCHED_KEY, THEME_SWITCHED_KEY, blog.getBlogAdministrationLocale(), new Object []{theme, flavor}));
311 _eventBroadcaster.processEvent(new ProcessRequestEvent(this, new Date(), blog, httpServletRequest, httpServletResponse, context));
312 } else {
313 _eventBroadcaster.processEvent(new ProcessRequestEvent(this, new Date(), blog, httpServletRequest, httpServletResponse, context));
314
315 context.put(THEME_SWITCHER_PLUGIN_AVAILABLE_THEMES, getAvailableThemes());
316 }
317 }
318
319 return entries;
320 }
321 } |
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