/*
* Licensed to Elasticsearch under one or more contributor
* license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright
* ownership. Elasticsearch 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.elasticsearch.common.xcontent.cbor;
import com.fasterxml.jackson.core.JsonGenerator;
import com.fasterxml.jackson.dataformat.cbor.CBORParser;
import org.elasticsearch.common.bytes.BytesReference;
import org.elasticsearch.common.xcontent.XContentType;
import org.elasticsearch.common.xcontent.json.JsonXContentGenerator;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
/**
*
*/
public class CborXContentGenerator extends JsonXContentGenerator {
public CborXContentGenerator(JsonGenerator generator) {
super(generator);
}
@Override
public XContentType contentType() {
return XContentType.CBOR;
}
@Override
public void usePrintLineFeedAtEnd() {
// nothing here
}
@Override
public void writeRawField(String fieldName, InputStream content, OutputStream bos) throws IOException {
writeFieldName(fieldName);
try (CBORParser parser = CborXContent.cborFactory.createParser(content)) {
parser.nextToken();
generator.copyCurrentStructure(parser);
}
}
@Override
public void writeRawField(String fieldName, byte[] content, OutputStream bos) throws IOException {
writeFieldName(fieldName);
try (CBORParser parser = CborXContent.cborFactory.createParser(content)) {
parser.nextToken();
generator.copyCurrentStructure(parser);
}
}
@Override
protected void writeObjectRaw(String fieldName, BytesReference content, OutputStream bos) throws IOException {
writeFieldName(fieldName);
CBORParser parser;
if (content.hasArray()) {
parser = CborXContent.cborFactory.createParser(content.array(), content.arrayOffset(), content.length());
} else {
parser = CborXContent.cborFactory.createParser(content.streamInput());
}
try {
parser.nextToken();
generator.copyCurrentStructure(parser);
} finally {
parser.close();
}
}
@Override
public void writeRawField(String fieldName, byte[] content, int offset, int length, OutputStream bos) throws IOException {
writeFieldName(fieldName);
try (CBORParser parser = CborXContent.cborFactory.createParser(content, offset, length)) {
parser.nextToken();
generator.copyCurrentStructure(parser);
}
}
}