/*
 * 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.git.gitexe.command.branch;

import org.apache.maven.scm.util.AbstractConsumer;

/**
 * This logger parses the output of <i>git symbolic-ref HEAD</i>
 * to determine the current branch.
 * @author <a href="mailto:struberg@yahoo.de">Mark Struberg</a>
 *
 */
public class GitCurrentBranchConsumer extends AbstractConsumer {

    private static final String BRANCH_INDICATOR = "refs/heads/";

    private String branch;

    public String getBranchName() {
        return branch;
    }

    // ----------------------------------------------------------------------
    // StreamConsumer Implementation
    // ----------------------------------------------------------------------

    /** {@inheritDoc} */
    public void consumeLine(String line) {
        line = line.trim();

        if (line.startsWith(BRANCH_INDICATOR)) {
            branch = line.substring(BRANCH_INDICATOR.length());
        }
    }
}
