    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
    015    package org.apache.tapestry5.ioc.internal.services;
    016
    017    import org.apache.tapestry5.ioc.Location;
    018    import org.apache.tapestry5.ioc.Resource;
    019
    020    /**
    021     * Implementation of {@link Location} used when the underlying resource isn't really known.
    022     */
    023    public 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        public int getColumn()
    045        {
    046            return 0;
    047        }
    048
    049        public int getLine()
    050        {
    051            return line;
    052        }
    053
    054        /**
    055         * Returns null; we don't know where the file really is (it's probably a class on the class path).
    056         */
    057        public Resource getResource()
    058        {
    059            return null;
    060        }
    061
    062    }