/*
    * Licensed to the Apache Software Foundation (ASF) under one
    * or more contributor license agreements.  See the NOTICE file
    * distributed with this work for additional information
    * regarding copyright ownership.  The ASF licenses this file
    * to you under the Apache License, Version 2.0 (the
    * "License"); you may not use this file except in compliance
    * with the License.  You may obtain a copy of the License at
    *
   *   http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing,
   * software distributed under the License is distributed on an
   * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
   * KIND, either express or implied.  See the License for the
   * specific language governing permissions and limitations
   * under the License.
   */
  package org.apache.maven.scm.provider.hg.command.inventory;
  
  import java.io.File;
  
  import org.apache.maven.scm.ScmException;
  import org.apache.maven.scm.ScmFileSet;
  import org.apache.maven.scm.ScmResult;
  import org.apache.maven.scm.ScmVersion;
  import org.apache.maven.scm.command.Command;
  import org.apache.maven.scm.command.list.AbstractListCommand;
  import org.apache.maven.scm.command.list.ListScmResult;
  import org.apache.maven.scm.provider.ScmProviderRepository;
  import org.apache.maven.scm.provider.hg.HgUtils;
  import org.apache.maven.scm.provider.hg.command.HgCommandConstants;
  
  /**
   * Get a list of all files in the repository.
   *
   * @author <a href="mailto:ryan@darksleep.com">ryan daum</a>
   */
  public class HgListCommand extends AbstractListCommand implements Command {
      /**
       * {@inheritDoc}
       */
      protected ListScmResult executeListCommand(
              ScmProviderRepository repository, ScmFileSet fileSet, boolean recursive, ScmVersion scmVersion)
              throws ScmException {
  
          //
          File workingDir = fileSet.getBasedir();
  
          // build the command
          String[] listCmd = new String[] {HgCommandConstants.INVENTORY_CMD};
  
          // keep the command about in string form for reporting
          StringBuilder cmd = new StringBuilder();
          for (int i = 0; i < listCmd.length; i++) {
              String s = listCmd[i];
              cmd.append(s);
              if (i < listCmd.length - 1) {
                  cmd.append(" ");
              }
          }
  
          HgListConsumer consumer = new HgListConsumer();
  
          ScmResult result = HgUtils.execute(consumer, workingDir, listCmd);
  
          if (result.isSuccess()) {
              return new ListScmResult(consumer.getFiles(), result);
          } else {
              throw new ScmException("Error while executing command " + cmd.toString());
          }
      }
  }