/**
    * 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.metainf.model;
  
  import org.apache.commons.lang3.StringUtils;
  
  import com.google.common.base.Preconditions;
  
  public final class MetaInfResource implements Comparable<MetaInfResource> {
  
  	public static final long UNKNOWN_SIZE = -1;
  	public static final long UNKNOWN_LINECOUNT = -1;
  
  	private final String location;
  	private final long size;
  	private final long lineCount;
  
  	public MetaInfResource(String location) {
  		this(location, UNKNOWN_SIZE, UNKNOWN_LINECOUNT);
  	}
  
  	public MetaInfResource(String location, long size, long lineCount) {
  		Preconditions.checkArgument(!StringUtils.isBlank(location), "'location' cannot be blank");
  		Preconditions.checkArgument(size == -1 || size >= 0, "'size' must be >= zero. Use %s to indicate unknown", UNKNOWN_SIZE);
  		Preconditions.checkArgument(lineCount == -1 || lineCount >= 0, "'lineCount' must be >= zero. Use %s to indicate unknown", UNKNOWN_LINECOUNT);
  		this.location = location;
  		this.size = size;
  		this.lineCount = lineCount;
  	}
  
  	@Override
  	public int compareTo(MetaInfResource other) {
  		return location.compareTo(other.getLocation());
  	}
  
  	public String getLocation() {
  		return location;
  	}
  
  	public long getSize() {
  		return size;
  	}
  
  	public long getLineCount() {
  		return lineCount;
  	}
  
  }