    001// Copyright 2007 The Apache Software Foundation
    002//
    003// Licensed under the Apache License, Version 2.0 (the "License");
    004// you may not use this file except in compliance with the License.
    005// You may obtain a copy of the License at
    006//
    007//     http://www.apache.org/licenses/LICENSE-2.0
    008//
    009// Unless required by applicable law or agreed to in writing, software
    010// distributed under the License is distributed on an "AS IS" BASIS,
    011// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    012// See the License for the specific language governing permissions and
    013// limitations under the License.
    014
    015package org.apache.tapestry5.commons.internal.services;
    016
    017import org.apache.tapestry5.commons.Location;
    018import org.apache.tapestry5.commons.Resource;
    019
    020/**
    021 * Implementation of {@link Location} used when the underlying resource isn't really known.
    022 */
    023public final class StringLocation implements Location
    024{
    025    private final String description;
    026
    027    private final int line;
    028
    029    public StringLocation(String description, int line)
    030    {
    031        this.description = description;
    032        this.line = line;
    033    }
    034
    035    @Override
    036    public String toString()
    037    {
    038        return description;
    039    }
    040
    041    /**
    042     * Returns 0.
    043     */
    044    @Override
    045    public int getColumn()
    046    {
    047        return 0;
    048    }
    049
    050    @Override
    051    public int getLine()
    052    {
    053        return line;
    054    }
    055
    056    /**
    057     * Returns null; we don't know where the file really is (it's probably a class on the class path).
    058     */
    059    @Override
    060    public Resource getResource()
    061    {
    062        return null;
    063    }
    064
    065}