| // Copyright 2004 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; |
| |
| import org.apache.commons.lang.builder.EqualsBuilder; |
| import org.apache.commons.lang.builder.HashCodeBuilder; |
| |
| /** |
| * Implementation of the {@link org.apache.tapestry.ILocation} interface. |
| * |
| * @author Howard Lewis Ship |
| * @version $Id$ |
| * @since 3.0 |
| * |
| **/ |
| public class Location implements ILocation |
| { |
| private IResourceLocation _resourceLocation; |
| private int _lineNumber = -1; |
| private int _columnNumber = -1; |
| |
| public Location(IResourceLocation location) |
| { |
| _resourceLocation = location; |
| } |
| |
| public Location(IResourceLocation location, int lineNumber) |
| { |
| this(location); |
| |
| _lineNumber = lineNumber; |
| } |
| |
| public Location(IResourceLocation location, int lineNumber, int columnNumber) |
| { |
| this(location); |
| |
| _lineNumber = lineNumber; |
| _columnNumber = columnNumber; |
| } |
| |
| public IResourceLocation getResourceLocation() |
| { |
| return _resourceLocation; |
| } |
| |
| public int getLineNumber() |
| { |
| return _lineNumber; |
| } |
| |
| public int getColumnNumber() |
| { |
| return _columnNumber; |
| } |
| |
| public int hashCode() |
| { |
| HashCodeBuilder builder = new HashCodeBuilder(237, 53); |
| |
| builder.append(_resourceLocation); |
| builder.append(_lineNumber); |
| builder.append(_columnNumber); |
| |
| return builder.toHashCode(); |
| } |
| |
| public boolean equals(Object other) |
| { |
| if (!(other instanceof ILocation)) |
| return false; |
| |
| ILocation l = (ILocation) other; |
| |
| EqualsBuilder builder = new EqualsBuilder(); |
| builder.append(_lineNumber, l.getLineNumber()); |
| builder.append(_columnNumber, l.getColumnNumber()); |
| builder.append(_resourceLocation, l.getResourceLocation()); |
| |
| return builder.isEquals(); |
| } |
| |
| public String toString() |
| { |
| if (_lineNumber <= 0 && _columnNumber <= 0) |
| return _resourceLocation.toString(); |
| StringBuffer buffer = new StringBuffer(_resourceLocation.toString()); |
| if (_lineNumber > 0) |
| { |
| buffer.append(", line "); |
| buffer.append(_lineNumber); |
| } |
| |
| if (_columnNumber > 0) |
| { |
| buffer.append(", column "); |
| buffer.append(_columnNumber); |
| } |
| |
| return buffer.toString(); |
| } |
| } |