/*

  * #%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.IOException;

 import java.util.List;

 import com.aragost.javahg.Repository;

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

 import com.aragost.javahg.internals.HgInputStream;

 import com.aragost.javahg.internals.RuntimeIOException;

 import com.aragost.javahg.internals.Utils;

 import com.google.common.collect.Lists;

 /**

  * Command class for executing <tt>hg resolve</tt>. The resolve

  * command is actually a front-end for several sub-commands:

  * <ul>

  * <li>with <tt>--list</tt>, it lists the current merge state. Use

  * {@link #list()} for this command.</li>

  * <li>with <tt>--mark</tt> and <tt>--unmark</tt> it manipulates the

  * current merge state. Use {@link #mark(String...)} and

  * {@link #unmark(String...)} for these commands.</li>

  * <li>without the above flags it re-merges files. Use

  * {@link #execute(String...)} for this command.</li>

  * </li>

  * </ul>

  */

 public class ResolveCommand extends ResolveCommandFlags {

     /**

      * @param repository

      *            the repository associated with this command.

      */

     public ResolveCommand(Repository repository) {

         super(repository);

     }

     /**

      * @param files

      *            the files to re-merge

      * @return the command output

      */

     public String execute(String... files) {

         return launchString(files);

     }

     /**

      * This correspond to the --list option for resolve.

      * 

      * @return List we status of merge files

      */

     public List<ResolveStatusLine> list() {

         HgInputStream stream = launchStream("--list");

         List<ResolveStatusLine> result = Lists.newArrayList();

         try {

             while (stream.peek() != -1) {

                 result.add(ResolveStatusLine.fromStream(stream));

             }

         } catch (IOException e) {

             throw new RuntimeIOException(e);

         }

         return result;

     }

     @Override

     public boolean isSuccessful() {

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

     }

     /**

      * @param files

      *            the files to mark as resolved.

      */

     public void mark(String... files) {

         launchString(Utils.arrayUnshift("--mark", files));

     }

     /**

      * @param files

      *            the files to mark as unresolved.

      */

     public void unmark(String... files) {

         launchString(Utils.arrayUnshift("--unmark", files));

     }

 }