| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you 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 com.opensymphony.xwork2.util.location; |
| |
| import java.util.List; |
| |
| |
| /** |
| * A location in a resource. The location is composed of the URI of the resource, and |
| * the line and column numbers within that resource (when available), along with a description. |
| * <p> |
| * Locations are mostly provided by {@link Locatable}s objects. |
| */ |
| public interface Location { |
| |
| /** |
| * Constant for unknown locations. |
| */ |
| public static final Location UNKNOWN = LocationImpl.UNKNOWN; |
| |
| /** |
| * Get the description of this location |
| * |
| * @return the description (can be <code>null</code>) |
| */ |
| String getDescription(); |
| |
| /** |
| * Get the URI of this location |
| * |
| * @return the URI (<code>null</code> if unknown). |
| */ |
| String getURI(); |
| |
| /** |
| * Get the line number of this location |
| * |
| * @return the line number (<code>-1</code> if unknown) |
| */ |
| int getLineNumber(); |
| |
| /** |
| * Get the column number of this location |
| * |
| * @return the column number (<code>-1</code> if unknown) |
| */ |
| int getColumnNumber(); |
| |
| /** |
| * Gets a source code snippet with the default padding |
| * |
| * @param padding The amount of lines before and after the error to include |
| * @return A list of source lines |
| */ |
| List<String> getSnippet(int padding); |
| } |