org.apache.camel.converter.stream.ReaderCache Maven / Gradle / Ivy
/*
* 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.camel.converter.stream;
import java.io.IOException;
import java.io.OutputStream;
import java.io.StringReader;
import org.apache.camel.Exchange;
import org.apache.camel.StreamCache;
/**
* A {@link org.apache.camel.StreamCache} for String {@link java.io.Reader}s.
*
* Important: All the classes from the Camel release that implements {@link StreamCache} is NOT intended for end
* users to create as instances, but they are part of Camels
* stream-caching functionality.
*/
public class ReaderCache extends StringReader implements StreamCache {
private final String data;
public ReaderCache(String data) {
super(data);
this.data = data;
}
@Override
public void close() {
// Do not release the string for caching
}
@Override
public void reset() {
try {
super.reset();
} catch (IOException e) {
// ignore
}
}
@Override
public void writeTo(OutputStream os) throws IOException {
os.write(data.getBytes());
}
@Override
public StreamCache copy(Exchange exchange) throws IOException {
return new ReaderCache(data);
}
@Override
public boolean inMemory() {
return true;
}
@Override
public long length() {
return data.length();
}
String getData() {
return data;
}
}