| // 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.resource; |
| |
| import java.util.Locale; |
| |
| import org.apache.tapestry.IResourceLocation; |
| |
| public abstract class AbstractResourceLocation implements IResourceLocation |
| { |
| private String _path; |
| private String _name; |
| private String _folderPath; |
| private Locale _locale; |
| |
| protected AbstractResourceLocation(String path) |
| { |
| this(path, null); |
| } |
| |
| protected AbstractResourceLocation(String path, Locale locale) |
| { |
| _path = path; |
| _locale = locale; |
| } |
| |
| public String getName() |
| { |
| if (_name == null) |
| split(); |
| |
| return _name; |
| } |
| |
| public IResourceLocation getRelativeLocation(String name) |
| { |
| if (name.startsWith("/")) |
| { |
| if (name.equals(_path)) |
| return this; |
| |
| return buildNewResourceLocation(name); |
| } |
| |
| if (_folderPath == null) |
| split(); |
| |
| if (name.equals(_name)) |
| return this; |
| |
| return buildNewResourceLocation(_folderPath + name); |
| } |
| |
| public String getPath() |
| { |
| return _path; |
| } |
| |
| public Locale getLocale() |
| { |
| return _locale; |
| } |
| |
| |
| protected abstract IResourceLocation buildNewResourceLocation(String path); |
| |
| private void split() |
| { |
| int lastSlashx = _path.lastIndexOf('/'); |
| |
| _folderPath = _path.substring(0, lastSlashx + 1); |
| _name = _path.substring(lastSlashx + 1); |
| } |
| |
| |
| /** |
| * Returns true if the other object is an instance of the |
| * same class, and the paths are equal. |
| * |
| **/ |
| |
| public boolean equals(Object obj) |
| { |
| if (obj == null) |
| return false; |
| |
| if (obj.getClass().equals(getClass())) |
| { |
| AbstractResourceLocation otherLocation = (AbstractResourceLocation) obj; |
| |
| return _path.equals(otherLocation._path); |
| } |
| |
| return false; |
| } |
| } |