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Java Source Code / Java Documentation » Blogger System » blojsom 3.1 » org.blojsom.fetcher.database   Source Cross Reference   Class Diagram   Java Document (Java Doc)   java.lang.Object    org.blojsom.fetcher.database.DatabaseFetcher DatabaseFetcher public class DatabaseFetcher implements Fetcher,Listener(Code) Database fetcher author:    David Czarnecki version:    $Id: DatabaseFetcher.java,v 1.34 2007/01/17 02:35:17 czarneckid Exp $ since:    blojsom 3.0 Field Summary protected  Properties _blojsomProperties      protected  EventBroadcaster _eventBroadcaster      protected  Log _logger      protected  ServletConfig _servletConfig      protected  SessionFactory _sessionFactory      Constructor Summary public   DatabaseFetcher()      Method Summary public  Integer countEntries(Blog blog)      protected  String createPostSlug(Blog blog, Entry entry)      public  void deleteBlog(Blog blog)      public  void deleteCategory(Blog blog, Category category)      public  void deleteComment(Blog blog, Comment comment)      public  void deleteEntry(Blog blog, Entry entry)      public  void deletePingback(Blog blog, Pingback pingback)      public  void deleteTrackback(Blog blog, Trackback trackback)      public  void deleteUser(Blog blog, Integer userID)      public  void destroy()      public  Category[] fetchCategories(HttpServletRequest httpServletRequest, HttpServletResponse httpServletResponse, Blog blog, String flavor, Map context)      public  Entry[] fetchEntries(HttpServletRequest httpServletRequest, HttpServletResponse httpServletResponse, Blog blog, String flavor, Map context)      Fetch a set of org.blojsom.blog.Entry objects. public  Entry[] findEntries(Blog blog, String query)      public  Entry[] findEntriesBetweenDates(Blog blog, Date startDate, Date endDate)      public  Entry[] findEntriesByMetadataKeyValue(Blog blog, String metadataKey, String metadataValue, boolean pre, boolean post)      public  Entry[] findEntriesWithMetadataKey(Blog blog, String metadataKey)      public  List findResponsesByQuery(Blog blog, String query)      Find the responses (comments, trackbacks, pingbacks) for a given Blog matching some query Parameters:   blog - Blog Parameters:   query - Query which will match on various items such as commenter name, e-mail, IP address, etc. public  List findResponsesByStatus(Blog blog, String[] status)      protected  String getBlogCategory(Blog blog, HttpServletRequest httpServletRequest)      public  User[] getUsers(Blog blog)      public  void handleEvent(Event event)      public  void init()      Initialize this fetcher. public  Category[] loadAllCategories(Blog blog)      public  Entry[] loadAllEntriesForCategory(Blog blog, Integer categoryId)      public  Blog loadBlog(String blogId)      public  Blog loadBlog(Integer id)      public  String[] loadBlogIDs()      public  Category loadCategory(Blog blog, Integer categoryId)      public  Category loadCategory(Blog blog, String name)      public  void loadCategory(Blog blog, Category category)      public  void loadComment(Blog blog, Comment comment)      public  Entry[] loadEntries(Blog blog, int pageSize, int page)      public  Entry[] loadEntries(int pageSize, int page, Category specificCategory, Category[] defaultCategories)      public  Entry[] loadEntriesForCategory(Blog blog, Integer categoryId, Integer limit)      public  Entry loadEntry(Blog blog, Integer entryId)      public  Entry loadEntry(Blog blog, String postSlug)      public  void loadEntry(Blog blog, Entry entry)      public  void loadPingback(Blog blog, Pingback pingback)      public  Pingback loadPingback(Blog blog, String sourceURI, String targetURI)      public  List loadRecentComments(Blog blog)      public  List loadRecentPingbacks(Blog blog)      public  List loadRecentTrackbacks(Blog blog)      public  void loadTrackback(Blog blog, Trackback trackback)      public  User loadUser(Blog blog, String userLogin)      public  User loadUser(Blog blog, Integer userID)      public  Blog newBlog()      public  Category newCategory()      public  Comment newComment()      public  Entry newEntry()      public  Pingback newPingback()      public  Trackback newTrackback()      public  User newUser()      public  void processEvent(Event event)      public  void saveBlog(Blog blog)      public  void saveCategory(Blog blog, Category category)      public  void saveComment(Blog blog, Comment comment)      public  void saveEntry(Blog blog, Entry entry)      public  void savePingback(Blog blog, Pingback pingback)      public  void saveTrackback(Blog blog, Trackback trackback)      public  User saveUser(Blog blog, User user)      public  void setBlojsomProperties(Properties blojsomProperties)      public  void setEventBroadcaster(EventBroadcaster eventBroadcaster)      public  void setServletConfig(ServletConfig servletConfig)      public  void setSessionFactory(SessionFactory sessionFactory)      Field Detail _blojsomProperties protected Properties _blojsomProperties(Code) _eventBroadcaster protected EventBroadcaster _eventBroadcaster(Code) _logger protected Log _logger(Code) _servletConfig protected ServletConfig _servletConfig(Code) _sessionFactory protected SessionFactory _sessionFactory(Code) Constructor Detail DatabaseFetcher public DatabaseFetcher()(Code) Create a new instance of the database fetcher Method Detail countEntries public Integer countEntries(Blog blog) throws FetcherException(Code) Count the number of entries for a blog Parameters:   blog - Blog Number of entries throws:   FetcherException - If there is an error counting the blog entries createPostSlug protected String createPostSlug(Blog blog, Entry entry)(Code) Create a unique post slug Parameters:   blog - Blog Parameters:   entry - Entry Unique post slug deleteBlog public void deleteBlog(Blog blog) throws FetcherException(Code) Delete a blog Parameters:   blog - Blog throws:   FetcherException - If there is an error deleting the blog deleteCategory public void deleteCategory(Blog blog, Category category) throws FetcherException(Code) Delete a given Category Parameters:   blog - Blog Parameters:   category - Category to delete throws:   FetcherException - If there is an error deleting the category deleteComment public void deleteComment(Blog blog, Comment comment) throws FetcherException(Code) Delete a given Comment Parameters:   blog - Blog Parameters:   comment - Comment to delete throws:   FetcherException - If there is an error deleting the comment deleteEntry public void deleteEntry(Blog blog, Entry entry) throws FetcherException(Code) Delete a given Entry Parameters:   blog - Blog Parameters:   entry - Entry to delete throws:   FetcherException - If there is an error deleting the entry deletePingback public void deletePingback(Blog blog, Pingback pingback) throws FetcherException(Code) Delete a given Pingback Parameters:   blog - Blog Parameters:   pingback - Pingback to delete throws:   FetcherException - If there is an error deleting the pingback deleteTrackback public void deleteTrackback(Blog blog, Trackback trackback) throws FetcherException(Code) Delete a given Trackback Parameters:   blog - Blog Parameters:   trackback - Trackback to delete throws:   FetcherException - If there is an error deleting the trackback deleteUser public void deleteUser(Blog blog, Integer userID) throws FetcherException(Code) Delete a given user from a blog Parameters:   blog - Blog Parameters:   userID - User ID throws:   FetcherException - If there is an error deleting the user from the blog destroy public void destroy() throws FetcherException(Code) Called when org.blojsom.servlet.BlojsomServlet is taken out of service throws:   org.blojsom.fetcher.FetcherException - If there is an error in finalizing this fetcher fetchCategories public Category[] fetchCategories(HttpServletRequest httpServletRequest, HttpServletResponse httpServletResponse, Blog blog, String flavor, Map context) throws FetcherException(Code) Fetch a set of org.blojsom.blog.Category objects Parameters:   httpServletRequest - Request Parameters:   httpServletResponse - Response Parameters:   blog - org.blojsom.blog.Blog instance Parameters:   flavor - Flavor Parameters:   context - Context Blog categories retrieved for the particular request throws:   org.blojsom.fetcher.FetcherException - If there is an error retrieving the blog categories for the request fetchEntries public Entry[] fetchEntries(HttpServletRequest httpServletRequest, HttpServletResponse httpServletResponse, Blog blog, String flavor, Map context) throws FetcherException(Code) Fetch a set of org.blojsom.blog.Entry objects. Parameters:   httpServletRequest - Request Parameters:   httpServletResponse - Response Parameters:   blog - org.blojsom.blog.Blog instance Parameters:   flavor - Flavor Parameters:   context - Context Blog entries retrieved for the particular request throws:   org.blojsom.fetcher.FetcherException - If there is an error retrieving the blog entries for the request findEntries public Entry[] findEntries(Blog blog, String query) throws FetcherException(Code) Find entries which have the search query in their title or description Parameters:   blog - Blog Parameters:   query - Search query Blog entries which have the search query in their title or descirption throws:   FetcherException - If there is an error searching through entries findEntriesBetweenDates public Entry[] findEntriesBetweenDates(Blog blog, Date startDate, Date endDate) throws FetcherException(Code) Find entries between a start and end date Parameters:   blog - Blog Parameters:   startDate - Start date Parameters:   endDate - End date Entries between a start and end date throws:   FetcherException - If there is an error searching for entries between the dates findEntriesByMetadataKeyValue public Entry[] findEntriesByMetadataKeyValue(Blog blog, String metadataKey, String metadataValue, boolean pre, boolean post) throws FetcherException(Code) Find entries by a metadata key/value pair Parameters:   blog - Blog Parameters:   metadataKey - Metadata key Parameters:   metadataValue - Metadata value Parameters:   pre - If the search should use % before the metadata value (match anything before) Parameters:   post - If the search should use % after the metadata value (match antthing after) Entries matching metadata key and value using LIKE syntax for metadata value throws:   FetcherException - If there is an error searching through entries findEntriesWithMetadataKey public Entry[] findEntriesWithMetadataKey(Blog blog, String metadataKey) throws FetcherException(Code) Find entries with a given metadata key Parameters:   blog - Blog Parameters:   metadataKey - Metadata key Entries with the given metadata key throws:   FetcherException - If there is an error searching through entries findResponsesByQuery public List findResponsesByQuery(Blog blog, String query) throws FetcherException(Code) Find the responses (comments, trackbacks, pingbacks) for a given Blog matching some query Parameters:   blog - Blog Parameters:   query - Query which will match on various items such as commenter name, e-mail, IP address, etc. List of responses (comments, trackbacks, pingbacks) matching query throws:   FetcherException - If there is an error loading the responses findResponsesByStatus public List findResponsesByStatus(Blog blog, String[] status) throws FetcherException(Code) Load the responses (comments, trackbacks, pingbacks) for a given Blog matching one of a set of status codes Parameters:   blog - Blog Parameters:   status - List of status codes to load List of responses (comments, trackbacks, pingbacks) matching one of a set of status codes throws:   FetcherException - If there is an error loading the responses getBlogCategory protected String getBlogCategory(Blog blog, HttpServletRequest httpServletRequest)(Code) Determine the blog category based on the request Parameters:   blog - Blog Parameters:   httpServletRequest - Request Category of the requested category getUsers public User[] getUsers(Blog blog)(Code) Retrieve the users for a given blog Parameters:   blog - Blog List of Users for a blog handleEvent public void handleEvent(Event event)(Code) Handle an event broadcast from another component Parameters:   event - org.blojsom.event.Event to be handled init public void init() throws FetcherException(Code) Initialize this fetcher. This method only called when the fetcher is instantiated. throws:   org.blojsom.fetcher.FetcherException - If there is an error initializing the fetcher loadAllCategories public Category[] loadAllCategories(Blog blog) throws FetcherException(Code) Load each Category for a given blog Parameters:   blog - Blog Category list for the blog throws:   FetcherException - If there is an error loading the categories loadAllEntriesForCategory public Entry[] loadAllEntriesForCategory(Blog blog, Integer categoryId) throws FetcherException(Code) Load all the entries for a given category Parameters:   blog - Blog Parameters:   categoryId - Category ID Blog entries for a given category throws:   FetcherException - If there is an error loading the entries loadBlog public Blog loadBlog(String blogId) throws FetcherException(Code) Load the Blog given the blog ID Parameters:   blogId - Blog ID Blog object throws:   FetcherException - If there is an error loading the blog loadBlog public Blog loadBlog(Integer id) throws FetcherException(Code) Load the Blog given the ID Parameters:   id - ID Blog blog throws:   FetcherException - If there is an error loading the blog loadBlogIDs public String[] loadBlogIDs() throws FetcherException(Code) Load the blog IDs List of blog IDs throws:   org.blojsom.fetcher.FetcherException - If there is an error loading the blog IDs loadCategory public Category loadCategory(Blog blog, Integer categoryId) throws FetcherException(Code) Load the Category for a given category ID Parameters:   blog - Blog Parameters:   categoryId - Category ID Category for the given category ID throws:   FetcherException - If there is an error loading the category loadCategory public Category loadCategory(Blog blog, String name) throws FetcherException(Code) Load the Category for a given category name Parameters:   blog - Blog Parameters:   name - Category name Category for the given category name throws:   FetcherException - If there is an error loading the category loadCategory public void loadCategory(Blog blog, Category category) throws FetcherException(Code) Load a given Category Parameters:   blog - Blog Parameters:   category - Category to load throws:   FetcherException - If there is an loading saving the category loadComment public void loadComment(Blog blog, Comment comment) throws FetcherException(Code) Load a given Comment Parameters:   blog - Blog Parameters:   comment - Comment to load throws:   FetcherException - If there is an error loading the comment loadEntries public Entry[] loadEntries(Blog blog, int pageSize, int page) throws FetcherException(Code) Load a set of entries using a given page size and page in which to retrieve the entries Parameters:   blog - Blog Parameters:   pageSize - Page size Parameters:   page - Page Blog entries throws:   FetcherException - If there is an error loading the entries loadEntries public Entry[] loadEntries(int pageSize, int page, Category specificCategory, Category[] defaultCategories) throws FetcherException(Code) Load a set of entries using a given page size and page in which to retrieve the entries Parameters:   pageSize - Page size Parameters:   page - Page Parameters:   specificCategory - Category Parameters:   defaultCategories - Default categories to use for requesting entries from the blogs Blog entries throws:   FetcherException - If there is an error loading the entries loadEntriesForCategory public Entry[] loadEntriesForCategory(Blog blog, Integer categoryId, Integer limit) throws FetcherException(Code) Load all the entries for a given category Parameters:   blog - Blog Parameters:   categoryId - Category ID Parameters:   limit - Limit on number of entries to return Blog entries for a given category throws:   FetcherException - If there is an error loading the entries loadEntry public Entry loadEntry(Blog blog, Integer entryId) throws FetcherException(Code) Load an Entry for a given entry ID Parameters:   blog - Blog Parameters:   entryId - Entry ID Entry object throws:   FetcherException - If there is an error loading the entry loadEntry public Entry loadEntry(Blog blog, String postSlug) throws FetcherException(Code) Load an Entry given a post slug Parameters:   blog - Blog Parameters:   postSlug - Post slug Entry for the given post slug throws:   org.blojsom.fetcher.FetcherException - If an entry for the blog and post slug cannot be found loadEntry public void loadEntry(Blog blog, Entry entry) throws FetcherException(Code) Load a given Entry Parameters:   blog - Blog Parameters:   entry - Entry to load throws:   FetcherException - If there is an error loading the entry loadPingback public void loadPingback(Blog blog, Pingback pingback) throws FetcherException(Code) Load a given Pingback Parameters:   blog - Blog Parameters:   pingback - Pingback to load throws:   FetcherException - If there is an error loading the pingback loadPingback public Pingback loadPingback(Blog blog, String sourceURI, String targetURI) throws FetcherException(Code) Load a pingback given the source URI and target URI Parameters:   blog - Blog Parameters:   sourceURI - Source URI Parameters:   targetURI - Target URI Pingback given the source and target URIs or null if not found throws:   FetcherException - If there was an erorr loading the pingback loadRecentComments public List loadRecentComments(Blog blog) throws FetcherException(Code) Load the recent comments for a blog Parameters:   blog - Blog throws:   FetcherException - If there is an error retrieving the recent comments loadRecentPingbacks public List loadRecentPingbacks(Blog blog) throws FetcherException(Code) Load the recent pingbacks for a blog Parameters:   blog - Blog throws:   FetcherException - If there is an error retrieving the recent pingbacks loadRecentTrackbacks public List loadRecentTrackbacks(Blog blog) throws FetcherException(Code) Load the recent trackbacks for a blog Parameters:   blog - Blog throws:   FetcherException - If there is an error retrieving the recent trackbacks loadTrackback public void loadTrackback(Blog blog, Trackback trackback) throws FetcherException(Code) Load a given Trackback Parameters:   blog - Blog Parameters:   trackback - Trackback to load throws:   FetcherException - If there is an error loading the trackback loadUser public User loadUser(Blog blog, String userLogin) throws FetcherException(Code) Load a User from a blog Parameters:   blog - Blog Parameters:   userLogin - Login ID throws:   FetcherException - If there is an error loading the User from the blog loadUser public User loadUser(Blog blog, Integer userID) throws FetcherException(Code) Load a given User from a blog given their ID Parameters:   blog - Blog Parameters:   userID - User ID User object throws:   FetcherException - If there is an error loading the user newBlog public Blog newBlog()(Code) Return a new org.blojsom.blog.Blog instance org.blojsom.blog.Blog object newCategory public Category newCategory()(Code) Return a new org.blojsom.blog.Category instance org.blojsom.blog.Category object newComment public Comment newComment()(Code) Return a new org.blojsom.blog.Comment instance org.blojsom.blog.Comment object newEntry public Entry newEntry()(Code) Return a new org.blojsom.blog.Entry instance Blog entry instance newPingback public Pingback newPingback()(Code) Return a new org.blojsom.blog.Pingback instance org.blojsom.blog.Pingback object newTrackback public Trackback newTrackback()(Code) Return a new org.blojsom.blog.Trackback instance org.blojsom.blog.Trackback object newUser public User newUser()(Code) Return a new org.blojsom.blog.User instance org.blojsom.blog.User object processEvent public void processEvent(Event event)(Code) Process an event from another component Parameters:   event - org.blojsom.event.Event to be handled saveBlog public void saveBlog(Blog blog) throws FetcherException(Code) Save a Blog Parameters:   blog - Blog throws:   FetcherException - If there is an error saving the blog saveCategory public void saveCategory(Blog blog, Category category) throws FetcherException(Code) Save a given Category Parameters:   blog - Blog Parameters:   category - Category to save throws:   FetcherException - If there is an error saving the category saveComment public void saveComment(Blog blog, Comment comment) throws FetcherException(Code) Save a given Comment Parameters:   blog - Blog Parameters:   comment - Comment to save throws:   FetcherException - If there is an error saving the comment saveEntry public void saveEntry(Blog blog, Entry entry) throws FetcherException(Code) Save a given Entry Parameters:   blog - Blog Parameters:   entry - Entry to save throws:   FetcherException - If there is an error saving the entry savePingback public void savePingback(Blog blog, Pingback pingback) throws FetcherException(Code) Save a given Pingback Parameters:   blog - Blog Parameters:   pingback - Pingback to save throws:   FetcherException - If there is an error saving the pingback saveTrackback public void saveTrackback(Blog blog, Trackback trackback) throws FetcherException(Code) Save a given Trackback Parameters:   blog - Blog Parameters:   trackback - Trackback to save throws:   FetcherException - If there is an error saving the trackback saveUser public User saveUser(Blog blog, User user) throws FetcherException(Code) Save a given User to the blog Parameters:   blog - Blog Parameters:   user - User User object throws:   FetcherException - If there is an error saving the user to the blog setBlojsomProperties public void setBlojsomProperties(Properties blojsomProperties)(Code) Set the default blojsom properties Parameters:   blojsomProperties - Default blojsom properties setEventBroadcaster public void setEventBroadcaster(EventBroadcaster eventBroadcaster)(Code) Set the EventBroadcaster event broadcaster Parameters:   eventBroadcaster - EventBroadcaster setServletConfig public void setServletConfig(ServletConfig servletConfig)(Code) Set the ServletConfig for the fetcher to grab initialization parameters Parameters:   servletConfig - ServletConfig setSessionFactory public void setSessionFactory(SessionFactory sessionFactory)(Code) Set the SessionFactory Parameters:   sessionFactory - SessionFactory Methods inherited from java.lang.Object native protected Object clone() throws CloneNotSupportedException(Code)(Java Doc) public boolean equals(Object obj)(Code)(Java Doc) protected void finalize() throws Throwable(Code)(Java Doc) final native public Class getClass()(Code)(Java Doc) native public int hashCode()(Code)(Java Doc) final native public void notify()(Code)(Java Doc) final native public void notifyAll()(Code)(Java Doc) public String toString()(Code)(Java Doc) final native public void wait(long timeout) throws InterruptedException(Code)(Java Doc) final public void wait(long timeout, int nanos) throws InterruptedException(Code)(Java Doc) final public void wait() throws InterruptedException(Code)(Java Doc)