001/**
002 * Copyright 2010-2014 The Kuali Foundation
003 *
004 * Licensed under the Educational Community License, Version 2.0 (the "License");
005 * you may not use this file except in compliance with the License.
006 * You may obtain a copy of the License at
007 *
008 * http://www.opensource.org/licenses/ecl2.php
009 *
010 * Unless required by applicable law or agreed to in writing, software
011 * distributed under the License is distributed on an "AS IS" BASIS,
012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
013 * See the License for the specific language governing permissions and
014 * limitations under the License.
015 */
016package org.kuali.common.util.metainf.model;
017
018import org.apache.commons.lang3.StringUtils;
019
020import com.google.common.base.Preconditions;
021
022public final class MetaInfResource implements Comparable<MetaInfResource> {
023
024        public static final long UNKNOWN_SIZE = -1;
025        public static final long UNKNOWN_LINECOUNT = -1;
026
027        private final String location;
028        private final long size;
029        private final long lineCount;
030
031        public MetaInfResource(String location) {
032                this(location, UNKNOWN_SIZE, UNKNOWN_LINECOUNT);
033        }
034
035        public MetaInfResource(String location, long size, long lineCount) {
036                Preconditions.checkArgument(!StringUtils.isBlank(location), "'location' cannot be blank");
037                Preconditions.checkArgument(size == -1 || size >= 0, "'size' must be >= zero. Use %s to indicate unknown", UNKNOWN_SIZE);
038                Preconditions.checkArgument(lineCount == -1 || lineCount >= 0, "'lineCount' must be >= zero. Use %s to indicate unknown", UNKNOWN_LINECOUNT);
039                this.location = location;
040                this.size = size;
041                this.lineCount = lineCount;
042        }
043
044        @Override
045        public int compareTo(MetaInfResource other) {
046                return location.compareTo(other.getLocation());
047        }
048
049        public String getLocation() {
050                return location;
051        }
052
053        public long getSize() {
054                return size;
055        }
056
057        public long getLineCount() {
058                return lineCount;
059        }
060
061}