/*
* #%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 com.aragost.javahg.Repository;
import com.aragost.javahg.commands.flags.BranchCommandFlags;
import com.aragost.javahg.internals.HgInputStream;
/**
* Command class for executing <tt>hg branch</tt>. Set flags from
* {@link BranchCommandFlags} and run {@link #set(String)} to set a
* branch or {@link #clean()} to reset the branch name.
*/
public class BranchCommand extends BranchCommandFlags {
private static final byte[] CLEAN_PREFIX = "reset working directory to branch ".getBytes();
public BranchCommand(Repository repository) {
super(repository);
}
/**
* Get the branch for working directory.
*
* @return name of branch for working copy
*/
public String get() {
return launchString().trim();
}
/**
* Set the branch for working directory.
*
* @param branchName
*/
public void set(String branchName) {
// Trim branchName. Mercurial commandserver seems to be bit
// confused otherwise.
launchString(branchName.trim());
}
/**
* Reset the branch name for working directory to branch name of
* first parent
*
* @return old branch name
* @throws IOException
*/
public String clean() throws IOException {
HgInputStream stream = launchStream("--clean");
stream.mustMatch(CLEAN_PREFIX);
String oldName = stream.textUpTo('\n');
stream.consumeAll();
return oldName;
}
}