/*

  * #%L

  * JavaHg

  * %%

  * Copyright (C) 2011 aragost Trifork ag

  * %%

  * Permission is hereby granted, free of charge, to any person obtaining a copy

  * of this software and associated documentation files (the "Software"), to deal

  * in the Software without restriction, including without limitation the rights

  * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell

  * copies of the Software, and to permit persons to whom the Software is

  * furnished to do so, subject to the following conditions:

  * 

  * The above copyright notice and this permission notice shall be included in

  * all copies or substantial portions of the Software.

  * 

  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR

  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,

  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE

  * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER

  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,

  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN

  * THE SOFTWARE.

  * #L%

  */

 package com.aragost.javahg.commands;

 import java.io.File;

 import java.util.List;

 import com.aragost.javahg.Bundle;

 import com.aragost.javahg.Changeset;

 import com.aragost.javahg.Repository;

 import com.aragost.javahg.commands.flags.IncomingCommandFlags;

 import com.aragost.javahg.internals.HgInputStream;

 import com.aragost.javahg.internals.Utils;

 /**

  * Command class for executing <tt>hg incoming</tt>. Set flags from

  * {@link IncomingCommandFlags} and call the {@link #execute} method.

  */

 public class IncomingCommand extends IncomingCommandFlags {

     private File bundleFile;

     /**

      * @param repository

      *            the repository associated with this command.

      */

     public IncomingCommand(Repository repository) {

         super(repository);

         withDebugAndChangesetStyle();

         cmdAppend("-y");

     }

     @Override

     public IncomingCommand bundle(String file) {

         this.bundleFile = new File(file);

         return this;

     }

     /**

      * @param src

      *            the source repository.

      * @return bundle with incoming changesets

      */

     public Bundle execute(String src) {

         if (this.bundleFile == null) {

             this.bundleFile = Utils.createTempFile(".bundle");

             cmdAppend("--bundle", this.bundleFile.getPath());

         }

         HgInputStream stream = launchStream(src);

         Bundle bundle = new Bundle(getRepository().getBaseRepository(), this.bundleFile, true);

         List<Changeset> changesets = Changeset.readListFromStream(bundle.getOverlayRepository(), stream);

         if (changesets.isEmpty()) {

             bundle.close();

             return null;

         }

         bundle.init(changesets);

         return bundle;

     }

     public Bundle execute(File directory) {

         return execute(directory.getPath());

     }

     public Bundle execute(Repository repository) {

         return execute(repository.getDirectory());

     }

     @Override

     public boolean isSuccessful() {

         return super.isSuccessful() || getReturnCode() == 1;

     }

 }