/*
* 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 org.apache.wicket.util.file;
import java.util.ArrayList;
import java.util.List;
import org.apache.wicket.util.resource.FileResourceStream;
import org.apache.wicket.util.resource.IResourceStream;
import org.apache.wicket.util.string.StringList;
/**
* Maintains a list of folders as a path.
*
* @author Jonathan Locke
*/
public class Path implements IResourcePath
{
/** The list of folders in the path */
private final List<Folder> folders = new ArrayList<Folder>();
/**
* Constructor
*/
public Path()
{
}
/**
* Constructor
*
* @param folder
* A single folder to add to the path
*/
public Path(final Folder folder)
{
add(folder);
}
/**
* Constructor
*
* @param folders
* An array of folders to add to the path
*/
public Path(final Folder[] folders)
{
if (folders != null)
{
for (Folder folder : folders)
{
add(folder);
}
}
}
/**
* @param folder
* Folder to add to path
*/
public void add(final Folder folder)
{
if (!folder.exists())
{
throw new IllegalArgumentException("Folder " + folder + " does not exist");
}
folders.add(folder);
}
/**
* @param path
* Folder to add to path
* @see org.apache.wicket.util.file.IResourcePath#add(java.lang.String)
*/
@Override
public void add(final String path)
{
add(new Folder(path));
}
/**
*
* @see org.apache.wicket.util.file.IResourceFinder#find(Class, String)
*/
@Override
public IResourceStream find(final Class<?> clazz, final String pathname)
{
for (Folder folder : folders)
{
final File file = new File(folder, pathname);
if (file.exists())
{
return new FileResourceStream(file);
}
}
return null;
}
/**
* @return Returns the folders.
*/
public List<Folder> getFolders()
{
return folders;
}
/**
* @return Number of folders on the path.
*/
public int size()
{
return folders.size();
}
/**
* @see java.lang.Object#toString()
*/
@Override
public String toString()
{
return "[folders = " + StringList.valueOf(folders) + "]";
}
}