/**
    * Copyright 2010-2014 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.main;
  
  import org.kuali.common.util.Assert;
  import org.kuali.common.util.LocationUtils;
  import org.kuali.common.util.execute.Executable;
  
  /**
   * Validate <code>String[] args</code> is not null, contains at least one non-blank value and points to a location that exists.
   */
  public final class ValidatePropertiesLocationExecutable implements Executable {
  
  	public ValidatePropertiesLocationExecutable(MainContext context, String message) {
  		Assert.noNulls(context);
  		Assert.noBlanks(message);
  		this.context = context;
  		this.message = message;
  	}
  
  	private final String message;
  	private final MainContext context;
  
  	@Override
  	public void execute() {
  		String[] args = context.getArgs();
  		Assert.notNull(args, message);
  		Assert.isTrue(args.length > 0, message);
  		String location = args[0];
  		Assert.noBlanks(message, location);
  		LocationUtils.validateLocation(location, message);
  	}
  
  	public String getMessage() {
  		return message;
  	}
  
  	public MainContext getContext() {
  		return context;
  	}
  
  }