public String getPluginName() {
if (definitionMap.containsKey(KEY_PLUGIN_NAME)) {
return definitionMap.getString(KEY_PLUGIN_NAME);
} else {
return getDefaultPluginName();
}
}
public String getDefaultArticleMimeType() {
String ret = definitionMap.getString(KEY_DEFAULT_ARTICLE_MIME_TYPE, null);
log.debug3("DefaultArticleMimeType " + ret);
if (ret == null) {
ret = super.getDefaultArticleMimeType();
log.debug3("DefaultArticleMimeType from super " + ret);
}
return ret;
}
/**
* Returns the plugin's article iterator factory, if any
*
* @return the ArticleIteratorFactory
*/
public ArticleIteratorFactory getArticleIteratorFactory() {
if (articleIteratorFact == null) {
String factClass = definitionMap.getString(KEY_PLUGIN_ARTICLE_ITERATOR_FACTORY, null);
if (factClass != null) {
articleIteratorFact =
(ArticleIteratorFactory) newAuxClass(factClass, ArticleIteratorFactory.class);
}
}
return articleIteratorFact;
}
protected ExploderHelper getExploderHelper() {
if (exploderHelper == null) {
String helperClass =
definitionMap.getString(DefinableArchivalUnit.KEY_AU_EXPLODER_HELPER, null);
if (helperClass != null) {
exploderHelper = (ExploderHelper) newAuxClass(helperClass, ExploderHelper.class);
}
}
return exploderHelper;
}
protected CrawlUrlComparatorFactory getCrawlUrlComparatorFactory() {
if (crawlUrlComparatorFactory == null) {
String factClass =
definitionMap.getString(DefinablePlugin.KEY_PLUGIN_CRAWL_URL_COMPARATOR_FACTORY, null);
if (factClass != null) {
crawlUrlComparatorFactory =
(CrawlUrlComparatorFactory) newAuxClass(factClass, CrawlUrlComparatorFactory.class);
}
}
return crawlUrlComparatorFactory;
}
protected LoginPageChecker makeLoginPageChecker() {
if (loginChecker == null) {
String loginPageCheckerClass =
definitionMap.getString(DefinableArchivalUnit.KEY_AU_LOGIN_PAGE_CHECKER, null);
if (loginPageCheckerClass != null) {
loginChecker =
(LoginPageChecker) newAuxClass(loginPageCheckerClass, LoginPageChecker.class);
}
}
return loginChecker;
}
/**
* Returns the article iterator factory for the content type, if any
*
* @param contentType the content type
* @return the ArticleIteratorFactory
*/
public ArticleMetadataExtractorFactory getArticleMetadataExtractorFactory(MetadataTarget target) {
if (articleMetadataFact == null) {
String factClass =
definitionMap.getString(KEY_PLUGIN_ARTICLE_METADATA_EXTRACTOR_FACTORY, null);
if (factClass != null) {
articleMetadataFact =
(ArticleMetadataExtractorFactory)
newAuxClass(factClass, ArticleMetadataExtractorFactory.class);
}
}
return articleMetadataFact;
}
protected UrlNormalizer getUrlNormalizer() {
if (urlNorm == null) {
String normalizerClass =
definitionMap.getString(DefinableArchivalUnit.KEY_AU_URL_NORMALIZER, null);
if (normalizerClass != null) {
urlNorm = (UrlNormalizer) newAuxClass(normalizerClass, UrlNormalizer.class);
} else {
urlNorm = NullUrlNormalizer.INSTANCE;
}
}
return urlNorm;
}
protected PermissionCheckerFactory getPermissionCheckerFactory() {
if (permissionCheckerFact == null) {
String permissionCheckerFactoryClass =
definitionMap.getString(DefinableArchivalUnit.KEY_AU_PERMISSION_CHECKER_FACTORY, null);
if (permissionCheckerFactoryClass != null) {
permissionCheckerFact =
(PermissionCheckerFactory)
newAuxClass(permissionCheckerFactoryClass, PermissionCheckerFactory.class);
log.debug2("Loaded PermissionCheckerFactory: " + permissionCheckerFact);
}
}
return permissionCheckerFact;
}
/** Create a CrawlWindow if necessary and return it. The CrawlWindow must be thread-safe. */
protected CrawlWindow makeCrawlWindow() {
if (crawlWindow != null) {
return crawlWindow;
}
CrawlWindow window =
(CrawlWindow) definitionMap.getMapElement(DefinableArchivalUnit.KEY_AU_CRAWL_WINDOW_SER);
if (window == null) {
String window_class =
definitionMap.getString(DefinableArchivalUnit.KEY_AU_CRAWL_WINDOW, null);
if (window_class != null) {
ConfigurableCrawlWindow ccw =
(ConfigurableCrawlWindow) newAuxClass(window_class, ConfigurableCrawlWindow.class);
try {
window = ccw.makeCrawlWindow();
} catch (PluginException e) {
throw new RuntimeException(e);
}
}
}
crawlWindow = window;
return window;
}
private ExternalizableMap loadMap(String extMapName, ClassLoader loader)
throws FileNotFoundException {
String first = null;
String next = extMapName;
List<String> urls = new ArrayList<String>();
ExternalizableMap res = null;
while (next != null) {
// convert the plugin class name to an xml file name
String mapFile = next.replace('.', '/') + MAP_SUFFIX;
URL url = loader.getResource(mapFile);
if (url != null && urls.contains(url.toString())) {
throw new PluginException.InvalidDefinition("Plugin inheritance loop: " + next);
}
// load into map
ExternalizableMap oneMap = new ExternalizableMap();
oneMap.loadMapFromResource(mapFile, loader);
urls.add(url.toString());
// apply overrides one plugin at a time in inheritance chain
processOverrides(oneMap);
if (res == null) {
res = oneMap;
} else {
for (Map.Entry ent : oneMap.entrySet()) {
String key = (String) ent.getKey();
Object val = ent.getValue();
if (!res.containsKey(key)) {
res.setMapElement(key, val);
}
}
}
if (oneMap.containsKey(KEY_PLUGIN_PARENT)) {
next = oneMap.getString(KEY_PLUGIN_PARENT);
} else {
next = null;
}
}
loadedFromUrls = urls;
return res;
}
protected void initResultMap() throws PluginException.InvalidDefinition {
HttpResultMap hResultMap = new HttpResultMap();
// XXX Currently this only allows a CacheResultHandler class to
// initialize the result map. Instead, don't use a CacheResultMap
// directly, use either the plugin's CacheResultHandler, if specified,
// or a default one that wraps the CacheResultMap
String handler_class = null;
handler_class = definitionMap.getString(KEY_EXCEPTION_HANDLER, null);
if (handler_class != null) {
try {
resultHandler = (CacheResultHandler) newAuxClass(handler_class, CacheResultHandler.class);
resultHandler.init(hResultMap);
} catch (Exception ex) {
throw new PluginException.InvalidDefinition(
mapName + " has invalid Exception handler: " + handler_class, ex);
} catch (LinkageError le) {
throw new PluginException.InvalidDefinition(
mapName + " has invalid Exception handler: " + handler_class, le);
}
} else {
// Expect a list of mappings from either result code or exception
// name to CacheException name
Collection<String> mappings = definitionMap.getCollection(KEY_EXCEPTION_LIST, null);
if (mappings != null) {
// add each entry
for (String entry : mappings) {
if (log.isDebug2()) {
log.debug2("initMap(" + entry + ")");
}
String first;
String ceName;
try {
List<String> pair = StringUtil.breakAt(entry, '=', 2, true, true);
first = pair.get(0);
ceName = pair.get(1);
} catch (Exception ex) {
throw new PluginException.InvalidDefinition(
"Invalid syntax: " + entry + "in " + mapName);
}
Object val;
// Value should be either a CacheException or CacheResultHandler
// class name.
PluginFetchEventResponse resp =
(PluginFetchEventResponse) newAuxClass(ceName, PluginFetchEventResponse.class, null);
if (resp instanceof CacheException) {
val = resp.getClass();
} else if (resp instanceof CacheResultHandler) {
val = WrapperUtil.wrap((CacheResultHandler) resp, CacheResultHandler.class);
} else {
throw new PluginException.InvalidDefinition(
"Second arg not a "
+ "CacheException or "
+ "CacheResultHandler class: "
+ entry
+ ", in "
+ mapName);
}
try {
int code = Integer.parseInt(first);
// If parseable as an integer, it's a result code.
hResultMap.storeMapEntry(code, val);
} catch (NumberFormatException e) {
try {
Class eClass = Class.forName(first);
// If a class name, it should be an exception class
if (Exception.class.isAssignableFrom(eClass)) {
hResultMap.storeMapEntry(eClass, val);
} else {
throw new PluginException.InvalidDefinition(
"First arg not an " + "Exception class: " + entry + ", in " + mapName);
}
} catch (Exception ex) {
throw new PluginException.InvalidDefinition(
"First arg not a " + "number or class: " + entry + ", in " + mapName);
} catch (LinkageError le) {
throw new PluginException.InvalidDefinition("Can't load " + first, le);
}
}
}
}
}
resultMap = hResultMap;
}
public String getPluginNotes() {
return definitionMap.getString(KEY_PLUGIN_NOTES, null);
}
public String getPublishingPlatform() {
return definitionMap.getString(KEY_PUBLISHING_PLATFORM, null);
}
public String getRequiredDaemonVersion() {
return definitionMap.getString(KEY_REQUIRED_DAEMON_VERSION, DEFAULT_REQUIRED_DAEMON_VERSION);
}
public String getVersion() {
return definitionMap.getString(KEY_PLUGIN_VERSION, DEFAULT_PLUGIN_VERSION);
}