/*

 * Copyright (c) 2007-2008 Nokia Corporation and/or its subsidiary(-ies).

 * All rights reserved.

 * This component and the accompanying materials are made available

 * under the terms of the License "Eclipse Public License v1.0"

 * which accompanies this distribution, and is available

 * at the URL "http://www.eclipse.org/legal/epl-v10.html".

 *

 * Initial Contributors:

 * Nokia Corporation - initial contribution.

 *

 * Contributors:

 *

 * Description:  

 *

 */

package com.nokia.helium.scm.ant.actions;

import java.util.List;

import org.apache.maven.scm.ScmException;

import org.apache.maven.scm.ScmFile;

import org.apache.maven.scm.ScmTag;

import org.apache.maven.scm.command.update.UpdateScmResult;

import org.apache.maven.scm.manager.ScmManager;

import org.apache.maven.scm.repository.ScmRepository;

import org.apache.tools.ant.BuildException;

import com.nokia.helium.scm.ant.types.Tag;

/**

 * Update the defined project for a specific revision or tag.

 * 

 * <pre>

 * <hlm:scm verbose="true" scmUrl="scm:${repo.type}:${repo.dir}/test1">

 *     <hlm:update basedir="${repo.dir}/test1" />

 * </hlm:scm>

 *</pre>

 *

 * @ant.type name="update" category="SCM"

 */

public class UpdateAction extends BaseDirectoryScmAction {

    private Tag tag;

    private Revision revision;

    public void add(Tag tag) {

        this.tag = tag;

    }

    public Tag createTag() {

        this.tag = new Tag();

        return this.tag;

    }

    public void add(Revision revision) {

        this.revision = revision;

    }

    public Revision createRevision() {

        this.revision = new Revision();

        return this.revision;

    }

    @Override

    @SuppressWarnings("unchecked")

    public void execute(ScmRepository repository) throws ScmException {

        ScmManager scmManager = getTask().getScmManager();

        UpdateScmResult result;

        if (tag != null) {

            result = scmManager.update(repository, getScmFileSet(),

                    new ScmTag(tag.getName()));

        } else if (revision != null) {

            result = scmManager.update(repository, getScmFileSet(),

                    new ScmRevision(revision.getName()));

        } else {

            result = scmManager.update(repository, getScmFileSet());

        }

        if (!result.isSuccess()) {

            throw new BuildException("SCM update action error: "

                    + result.getProviderMessage());

        }

        List<ScmFile> files = result.getUpdatedFiles();

        for (ScmFile scmFile : files) {

            getTask().log(scmFile.toString());

        }

    }

}