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/*
* 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.
*/
/* $Id$ */
package org.apache.fop.pdf;
import java.io.IOException;
/**
* This class is serves as a factory from
*/
public final class StreamCacheFactory {
private static StreamCacheFactory memoryInstance = new StreamCacheFactory();
/**
* Returns an instance of a StreamCacheFactory with the requested features.
* @return StreamCacheFactory the requested factory
*/
public static StreamCacheFactory getInstance() {
return memoryInstance;
}
/**
* Creates a new StreamCacheFactory.
* @param cacheToFile True if file shall be cached using a temporary file
*/
private StreamCacheFactory() {
}
/**
* Get the correct implementation (based on cacheToFile) of
* StreamCache.
* @throws IOException if there is an IO error
* @return a new StreamCache for caching streams
*/
public StreamCache createStreamCache() throws IOException {
return new InMemoryStreamCache();
}
/**
* Get the correct implementation (based on cacheToFile) of
* StreamCache.
* @param hintSize a hint about the approximate expected size of the buffer
* @throws IOException if there is an IO error
* @return a new StreamCache for caching streams
*/
public StreamCache createStreamCache(int hintSize) throws IOException {
return new InMemoryStreamCache(hintSize);
}
}
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