/*
    *
    * <cvs:source>$Source: /devel/astrogrid/filestore/server/src/java/org/astrogrid/filestore/server/FileStoreConfigImpl.java,v $</cvs:source>
    * <cvs:author>$Author: clq2 $</cvs:author>
    * <cvs:date>$Date: 2005/01/28 10:44:04 $</cvs:date>
    * <cvs:version>$Revision: 1.4 $</cvs:version>
    * <cvs:log>
    *   $Log: FileStoreConfigImpl.java,v $
    *   Revision 1.4  2005/01/28 10:44:04  clq2
   *   dave_dev_200501141257 (filemanager)
   *
   *   Revision 1.3.8.1  2005/01/17 17:19:21  dave
   *   Fixed bug in FileManagerImpl test (missing '/' in repository path on Unix) ...
   *   Changed tabs to spaces ..
   *
   *   Revision 1.3  2004/12/13 00:51:56  jdt
   *   merge from FLS_JDT_861
   *
   *   Revision 1.2.2.1  2004/12/09 11:54:53  jdt
   *   Made file:// windows-friendly.
   *
   *   Revision 1.2  2004/11/25 00:19:27  jdt
   *   Merge from dave-dev-200410061224-200411221626
   *
   *   Revision 1.1.2.2  2004/11/17 19:06:30  dave
   *   Updated server configuration ...
   *
   *   Revision 1.1.2.1  2004/10/19 14:56:16  dave
   *   Refactored config and resolver to enable multiple instances of mock implementation.
   *   Required to implement handling of multiple FileStore(s) in FileManager.
   *
   *   Revision 1.3  2004/08/18 19:00:01  dave
   *   Myspace manager modified to use remote filestore.
   *   Tested before checkin - integration tests at 91%.
   *
   *   Revision 1.2.22.2  2004/08/09 10:16:28  dave
   *   Added resource URL to the properties.
   *
   *   Revision 1.2.22.1  2004/08/06 22:25:06  dave
   *   Refactored bits and broke a few tests ...
   *
   *   Revision 1.2  2004/07/14 13:50:29  dave
   *   Merged development branch, dave-dev-200406301228, into HEAD
   *
   *   Revision 1.1.2.1  2004/07/12 14:39:03  dave
   *   Added server repository classes
   *
   *   Revision 1.1.2.1  2004/07/08 07:31:30  dave
   *   Added container impl and tests
   *
   * </cvs:log>
   *
   */
  package org.astrogrid.filestore.server ;
  
  import java.io.File ;
  
  import java.net.URL ;
  import java.net.URLConnection ;
  import java.net.MalformedURLException ;
  
  import org.apache.commons.logging.Log ;
  import org.apache.commons.logging.LogFactory ;
  
  import org.astrogrid.store.Ivorn ;
  
  import org.astrogrid.config.Config ;
  import org.astrogrid.config.SimpleConfig ;
  import org.astrogrid.config.PropertyNotFoundException ;
  
  import org.astrogrid.filestore.common.ivorn.FileStoreIvornFactory ;
  import org.astrogrid.filestore.common.exception.FileStoreServiceException ;
  
  import org.astrogrid.filestore.common.FileStoreConfig ;
  
  /***
   * Configuration implementation using the AstroGrid Config.
   *
   */
  public class FileStoreConfigImpl
      implements FileStoreConfig
      {
      /***
       * Our debug logger.
       *
       */
      private static Log log = LogFactory.getLog(FileStoreConfigImpl.class);
  
      /***
       * The config property key for our service name.
       *
       */
      public static final String SERVICE_NAME = "org.astrogrid.filestore.service.name" ;
  
      /***
       * Reference to our AstroGrid config.
       *
       */
      private Config config ;
 
     /***
      * Public constructor, using the default AstroGrid config.
      *
      */
     public FileStoreConfigImpl()
         {
         this(
             SimpleConfig.getSingleton()
             ) ;
         }
 
     /***
      * Public constructor, using a specific config.
      * @param config Reference to the config to use.
      *
      */
     public FileStoreConfigImpl(Config config)
         {
         this.config = config ;
         }
 
     /***
      * Access to the local service name.
      *
      */
     public String getServiceName()
         {
         String name = (String) config.getProperty(
             SERVICE_NAME
             ) ;
         return name ;
         }
 
     /***
      * Access to a config property, using the service name prefix.
      * @param name The property name (this is combined with the service name to make the full property key).
      *
      */
     public String getServiceProperty(String name)
         {
         log.debug("");
         log.debug("FileStoreConfigImpl.getServiceProperty()");
         log.debug("  Name  : " + name);
         String index = getServiceName() + "." + name ;
         log.debug("  Index : " + index);
         String value = (String) config.getProperty(
             index
             ) ;
         log.debug("  Value : " + value);
         return value ;
         }
 
     /***
      * Access to the local service ivorn.
      * @throws FileStoreServiceException if unable to read the property.
      *
      */
     public Ivorn getServiceIvorn()
         throws FileStoreServiceException
         {
         log.debug("");
         log.debug("FileStoreConfigImpl.getServiceIvorn()");
         try {
             return new Ivorn(
                 getServiceProperty(
                     "service.ivorn"
                     )
                 ) ;
             }
         catch (Throwable ouch)
             {
             log.error("Unable to read service ivorn from config", ouch);
             throw new FileStoreServiceException(
                 "Unable to read service ivorn from config.",
                 ouch
                 ) ;
             }
         }
 
     /***
      * The local service URL.
      * @throws FileStoreServiceException if unable to read the property.
      *
      */
     public URL getServiceUrl()
         throws FileStoreServiceException
         {
         log.debug("");
         log.debug("FileStoreConfigImpl.getServiceUrl()");
         try {
             return new URL(
                 getServiceProperty(
                     "service.url"
                     )
                 ) ;
             }
         catch (Throwable ouch)
             {
             throw new FileStoreServiceException(
                 "Unable to generate service URL.",
                 ouch
                 ) ;
             }
         }
 
     /***
      * Generate a resource ivorn.
      * @param ident - the resource identifier.
      * @throws FileStoreServiceException if unable to read the property.
      *
      */
     public Ivorn getResourceIvorn(String ident)
         throws FileStoreServiceException
         {
         log.debug("");
         log.debug("FileStoreConfigImpl.getResourceIvorn()");
         log.debug("  Ident : " + ident);
         try {
             return FileStoreIvornFactory.createIvorn(
                 getServiceProperty(
                     "service.ivorn"
                     ),
                 ident
                 ) ;
             }
         catch (Throwable ouch)
             {
             throw new FileStoreServiceException(
                 "Unable to generate resource ivorn.",
                 ouch
                 ) ;
             }
         }
 
     /***
      * Generate a resource URL.
      * @param ident - the resource identifier.
      * @throws FileStoreServiceException if unable to read the property.
      *
      */
     public URL getResourceUrl(String ident)
         throws FileStoreServiceException
         {
         log.debug("");
         log.debug("FileStoreConfigImpl.getResourceUrl()");
         log.debug("  Ident : " + ident);
         try {
             return new URL(
                 getServiceProperty(
                     "service.url"
                     )
                 + "/" + ident
                 ) ;
             }
         catch (Throwable ouch)
             {
             throw new FileStoreServiceException(
                 "Unable to generate resource URL.",
                 ouch
                 ) ;
             }
         }
 
     /***
      * The repository data directory.
      * @throws FileStoreServiceException if unable to read the property.
      *
      */
     public File getDataDirectory()
         throws FileStoreServiceException
         {
         log.debug("");
         log.debug("FileStoreConfigImpl.getDataDirectory()");
         try {
             return new File(
                 getServiceProperty(
                     "repository"
                     )
                 ) ;
             }
         catch (Throwable ouch)
             {
             throw new FileStoreServiceException(
                 "Unable to read data directory from config.",
                 ouch
                 ) ;
             }
         }
 
     /***
      * The repository info directory.
      * @throws FileStoreServiceException if unable to read the property.
      *
      */
     public File getInfoDirectory()
         throws FileStoreServiceException
         {
         log.debug("");
         log.debug("FileStoreConfigImpl.getInfoDirectory()");
         try {
             return new File(
                 getServiceProperty(
                     "repository"
                     )
                 ) ;
             }
         catch (Throwable ouch)
             {
             throw new FileStoreServiceException(
                 "Unable to read info directory from config.",
                 ouch
                 ) ;
             }
         }
     }