| // 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.tapestry.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();
|
| }
|
