maven-scm-providers/maven-scm-provider-hg/src/main/java/org/apache/maven/scm/provider/hg/command/inventory/HgListCommand.java

package org.apache.maven.scm.provider.hg.command.inventory;

import org.apache.maven.scm.provider.hg.command.HgCommand;
import org.apache.maven.scm.provider.hg.HgUtils;
import org.apache.maven.scm.provider.ScmProviderRepository;
import org.apache.maven.scm.command.list.AbstractListCommand;
import org.apache.maven.scm.command.list.ListScmResult;
import org.apache.maven.scm.*;

import java.io.File;

/*
 * 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.
 */

/**
 * 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 HgCommand 
{

    protected ListScmResult executeListCommand(ScmProviderRepository repository, ScmFileSet fileSet, boolean recursive, ScmVersion scmVersion) throws ScmException {

        if ( fileSet.getFiles().length != 0 )
        {
            throw new ScmException( "This provider doesn't support listing subsets of a directory" );
        }
        //
        File workingDir = fileSet.getBasedir();

         // build the command
        String[] listCmd = new String[]{STATUS_CMD, ALL_OPTION};

        // keep the command about in string form for reporting
        StringBuffer cmd = new StringBuffer();
        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( getLogger() );

        ScmResult result = HgUtils.execute( consumer, getLogger(), workingDir, listCmd);

        if (result.isSuccess()) {
            return new ListScmResult(consumer.getFiles(), result);
        } else {
            throw new ScmException( "Error while executing command " + cmd.toString() );
        }
    }
}