/**
    * Copyright 2010-2013 The Kuali Foundation
    *
    * Licensed under the Educational Community 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.opensource.org/licenses/ecl2.php
    *
   * 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.kuali.common.util;
  
  import java.io.File;
  import java.util.ArrayList;
  
  import org.codehaus.plexus.util.StringUtils;
  import org.kuali.common.util.scm.ScmRequest;
  import org.kuali.common.util.service.ScmService;
  import org.kuali.common.util.service.ScmType;
  import org.kuali.common.util.service.SvnService;
  import org.springframework.util.Assert;
  
  public class ScmUtils {
  
  	/**
  	 * Use <code>ScmConfig</code> instead
  	 */
  	@Deprecated
  	public static ScmService getScmService(String url) {
  		Assert.hasText(url, "URL has no text");
  		// scm:svn:https://svn.kuali.org/repos/student/trunk
  		String[] tokens = StringUtils.split(url, ":");
  		String scmType = tokens[1].toUpperCase();
  		ScmType type = ScmType.valueOf(scmType);
  		switch (type) {
  		case SVN:
  			return new SvnService();
  		case GIT:
  			throw new IllegalArgumentException("GIT support is coming soon!");
  		default:
  			throw new IllegalArgumentException("SCM type [" + scmType + "] is unknown");
  		}
  	}
  
  	public static ScmRequest cloneOrNew(ScmRequest request) {
  		if (request == null) {
  			return new ScmRequest();
  		} else {
  			return clone(request);
  		}
  	}
  
  	public static ScmRequest clone(ScmRequest request) {
  		ScmRequest clone = new ScmRequest();
  		clone.setCommitMessage(request.getCommitMessage());
  
  		if (!CollectionUtils.isEmpty(request.getAdds())) {
  			clone.setAdds(new ArrayList<File>(request.getAdds()));
  		}
  
  		if (!CollectionUtils.isEmpty(request.getDeletes())) {
  			clone.setDeletes(new ArrayList<File>(request.getDeletes()));
  		}
  
  		if (!CollectionUtils.isEmpty(request.getCommits())) {
  			clone.setCommits(new ArrayList<File>(request.getCommits()));
  		}
  		return clone;
  	}
  
  }