/**

  * Distribution License:

  * JSword is free software; you can redistribute it and/or modify it under

  * the terms of the GNU Lesser General Public License, version 2.1 or later

  * as published by the Free Software Foundation. This program is distributed

  * in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even

  * the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.

  * See the GNU Lesser General Public License for more details.

  *

  * The License is available on the internet at:

  *      http://www.gnu.org/copyleft/lgpl.html

  * or by writing to:

  *      Free Software Foundation, Inc.

  *      59 Temple Place - Suite 330

  *      Boston, MA 02111-1307, USA

  *

  * © CrossWire Bible Society, 2005 - 2016

  *

  */

 package org.crosswire.jsword.book.install.sword;

 import java.net.URI;

 import java.net.URISyntaxException;

 import org.crosswire.common.progress.Progress;

 import org.crosswire.common.util.LucidException;

 import org.crosswire.common.util.NetUtil;

 import org.crosswire.common.util.WebResource;

 import org.crosswire.jsword.JSMsg;

 import org.crosswire.jsword.book.Book;

 import org.crosswire.jsword.book.install.InstallException;

 /**

  * An implementation of Installer for reading data from Sword Web sites.

  * 

  * @see gnu.lgpl.License The GNU Lesser General Public License for details.

  * @author Mark Goodwin

  * @author Joe Walker

  * @author DM Smith

  */

 public class HttpSwordInstaller extends AbstractSwordInstaller {

     /* (non-Javadoc)

      * @see org.crosswire.jsword.book.install.Installer#getType()

      */

     public String getType() {

         return "sword-http";

     }

     /* (non-Javadoc)

      * @see org.crosswire.jsword.book.install.Installer#getSize(org.crosswire.jsword.book.Book)

      */

     public int getSize(final Book book) {

         return NetUtil.getSize(toRemoteURI(book), proxyHost, proxyPort);

     }

     /* (non-Javadoc)

      * @see org.crosswire.jsword.book.install.Installer#toRemoteURI(org.crosswire.jsword.book.Book)

      */

     public URI toRemoteURI(final Book book) {

         try {

             return new URI(NetUtil.PROTOCOL_HTTP, host, packageDirectory + '/' + book.getInitials() + ZIP_SUFFIX, null);

         } catch (URISyntaxException e) {

             return null;

         }

     }

     /* (non-Javadoc)

      * @see org.crosswire.jsword.book.install.sword.AbstractSwordInstaller#download(org.crosswire.common.progress.Progress, java.lang.String, java.lang.String, java.net.URI)

      */

     @Override

     protected void download(Progress job, String dir, String file, URI dest) throws InstallException {

         URI uri;

         try {

             uri = new URI(NetUtil.PROTOCOL_HTTP, host, dir + '/' + file, null);

         } catch (URISyntaxException ex) {

             // TRANSLATOR: Common error condition: {0} is a placeholder for the URL of what could not be found.

             throw new InstallException(JSMsg.gettext("Unable to find: {0}", dir + '/' + file), ex);

         }

         try {

             copy(job, uri, dest);

         } catch (LucidException ex) {

             // TRANSLATOR: Common error condition: {0} is a placeholder for the URL of what could not be found.

             throw new InstallException(JSMsg.gettext("Unable to find: {0}", uri.toString()), ex);

         }

     }

     /**

      * @param job

      * @param uri

      * @param dest

      * @throws LucidException

      */

     private void copy(Progress job, URI uri, URI dest) throws LucidException {

         if (job != null) {

             // TRANSLATOR: Progress label for downloading one or more files.

             job.setSectionName(JSMsg.gettext("Downloading files"));

         }

         WebResource wr = new WebResource(uri, proxyHost, proxyPort);

         wr.copy(dest, job);

         wr.shutdown();

     }

     /* (non-Javadoc)

      * @see org.crosswire.jsword.book.install.sword.AbstractSwordInstaller#equals(java.lang.Object)

      */

     @Override

     public boolean equals(Object object) {

         if (!(object instanceof HttpSwordInstaller)) {

             return false;

         }

         HttpSwordInstaller that = (HttpSwordInstaller) object;

         if (!super.equals(that)) {

             return false;

         }

         return true;

     }

     /* (non-Javadoc)

      * @see org.crosswire.jsword.book.install.sword.AbstractSwordInstaller#hashCode()

      */

     @Override

     public int hashCode() {

         return super.hashCode();

     }

 }