// Copyright 2006 The Apache Software Foundation | |
// | |
// Licensed under the Apache 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.apache.org/licenses/LICENSE-2.0 | |
// | |
// 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.apache.tapestry5.ioc; | |
/** | |
* A kind of tag applied to other objects to identify where they came from, in terms of a file (the resource), a line | |
* number, and a column number. This is part of "line precise exception reporting", whereby errors at runtime can be | |
* tracked backwards to the files from which they were parsed or otherwise constructed. | |
*/ | |
public interface Location | |
{ | |
/** | |
* The resource from which the object tagged with a location was derived. | |
*/ | |
Resource getResource(); | |
/** | |
* The line number within the resource, if known, or -1 otherwise. | |
*/ | |
int getLine(); | |
/** | |
* The column number within the line if known, or -1 otherwise. | |
*/ | |
int getColumn(); | |
} |