/*
* (C) Copyright 2015 Nuxeo SA (http://nuxeo.com/) and others.
*
* 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.
*
* Contributors:
* Nicolas Chapurlat <nchapurlat@nuxeo.com>
*/
package org.nuxeo.ecm.core.io.marshallers.json;
import java.io.IOException;
import java.io.OutputStream;
import java.io.Writer;
import org.apache.commons.io.output.WriterOutputStream;
import org.codehaus.jackson.JsonGenerator;
/**
* This {@link OutputStream} is a technical wrapper for {@link JsonGenerator}. It's used to broadcast a
* {@link JsonGenerator} between marshallers.
* <p>
* take a look at {@link AbstractJsonWriter#getGenerator(OutputStream, boolean)} to understand the mechanism.
* </p>
*
* @since 7.2
*/
public class OutputStreamWithJsonWriter extends OutputStream {
private OutputStream out;
private JsonGenerator jsonGenerator;
public OutputStreamWithJsonWriter(JsonGenerator jsonGenerator) {
super();
this.jsonGenerator = jsonGenerator;
Object outputTarget = jsonGenerator.getOutputTarget();
if (outputTarget instanceof OutputStream) {
out = (OutputStream) outputTarget;
} else if (outputTarget instanceof Writer) {
out = new WriterOutputStream((Writer) outputTarget);
}
}
public JsonGenerator getJsonGenerator() {
return jsonGenerator;
}
@Override
public void write(int b) throws IOException {
out.write(b);
}
@Override
public void write(byte[] b) throws IOException {
out.write(b);
}
@Override
public void write(byte[] b, int off, int len) throws IOException {
out.write(b, off, len);
}
@Override
public void flush() throws IOException {
out.flush();
}
@Override
public void close() throws IOException {
out.close();
}
}