001/*
002 * Licensed to the Apache Software Foundation (ASF) under one or more
003 * contributor license agreements. See the NOTICE file distributed with
004 * this work for additional information regarding copyright ownership.
005 * The ASF licenses this file to You under the Apache license, Version 2.0
006 * (the "License"); you may not use this file except in compliance with
007 * the License. You may obtain a copy of the License at
008 *
009 *      http://www.apache.org/licenses/LICENSE-2.0
010 *
011 * Unless required by applicable law or agreed to in writing, software
012 * distributed under the License is distributed on an "AS IS" BASIS,
013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
014 * See the license for the specific language governing permissions and
015 * limitations under the license.
016 */
017package org.apache.logging.log4j.core.impl;
018
019import java.io.Serializable;
020
021/**
022 * Package data for a StackTraceElement.
023 */
024public class StackTracePackageElement implements Serializable {
025
026    private static final long serialVersionUID = -2171069569241280505L;
027
028    private final String location;
029
030    private final String version;
031
032    private final boolean isExact;
033
034    /**
035     * Constructor that takes the location, version, and exact match flag.
036     * @param location The location of the Class.
037     * @param version The version of the component.
038     * @param exact if true this is an exact package element.
039     */
040    public StackTracePackageElement(final String location, final String version, final boolean exact) {
041        this.location = location;
042        this.version = version;
043        this.isExact = exact;
044    }
045
046    /**
047     * Returns the location of the element.
048     * @return The location of the element.
049     */
050    public String getLocation() {
051        return location;
052    }
053
054    /**
055     * Returns the version of the element.
056     * @return the version of the element.
057     */
058    public String getVersion() {
059        return version;
060    }
061
062    /**
063     * Returns the indicator of whether this is an exact match.
064     * @return true if the location was determined exactly.
065     */
066    public boolean isExact() {
067        return isExact;
068    }
069
070    @Override
071    public String toString() {
072        final String exact = isExact ? "" : "~";
073        return exact + "[" + location + ":" + version + "]";
074    }
075}