com.hotels.styx.api.io.ZipThenFileResourceIteratorFallback Maven / Gradle / Ivy
/*
Copyright (C) 2013-2018 Expedia Inc.
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 com.hotels.styx.api.io;
import com.hotels.styx.api.Resource;
import java.net.URL;
import java.util.Iterator;
/**
* Resource iterator factory implementation which acts as a fallback when no
* other factories are found.
*/
public class ZipThenFileResourceIteratorFallback implements ResourceIteratorFactory {
/**
* The file resource iterator factory.
*/
private final FileResourceIteratorFactory fileResourceIteratorFactory;
/**
* The ZIP resource iterator factory.
*/
private final ZipResourceIteratorFactory zipResourceIteratorFactory;
/**
* Initializes a new instance of the ZipThenFileResourceIteratorFallback class.
*/
public ZipThenFileResourceIteratorFallback() {
fileResourceIteratorFactory = new FileResourceIteratorFactory();
zipResourceIteratorFactory = new ZipResourceIteratorFactory();
}
@Override
public boolean isFactoryFor(URL url) {
return zipResourceIteratorFactory.isFactoryFor(url) || fileResourceIteratorFactory.isFactoryFor(url);
}
@Override
public Iterator createIterator(URL url, String path, String suffix) {
if (zipResourceIteratorFactory.isFactoryFor(url)) {
return zipResourceIteratorFactory.createIterator(url, path, suffix);
}
return fileResourceIteratorFactory.createIterator(url, path, suffix);
}
}