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/*
* 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.smile;
import com.fasterxml.jackson.core.JsonEncoding;
import com.fasterxml.jackson.core.JsonGenerator;
import com.fasterxml.jackson.core.JsonParser;
import com.fasterxml.jackson.dataformat.smile.SmileFactory;
import com.fasterxml.jackson.dataformat.smile.SmileGenerator;
import org.elasticsearch.common.bytes.BytesReference;
import org.elasticsearch.common.io.FastStringReader;
import org.elasticsearch.common.xcontent.NamedXContentRegistry;
import org.elasticsearch.common.xcontent.XContent;
import org.elasticsearch.common.xcontent.XContentBuilder;
import org.elasticsearch.common.xcontent.XContentGenerator;
import org.elasticsearch.common.xcontent.XContentParser;
import org.elasticsearch.common.xcontent.XContentType;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.io.Reader;
import java.util.Set;
/**
* A Smile based content implementation using Jackson.
*/
public class SmileXContent implements XContent {
public static XContentBuilder contentBuilder() throws IOException {
return XContentBuilder.builder(smileXContent);
}
static final SmileFactory smileFactory;
public static final SmileXContent smileXContent;
static {
smileFactory = new SmileFactory();
smileFactory.configure(SmileGenerator.Feature.ENCODE_BINARY_AS_7BIT, false); // for now, this is an overhead, might make sense for web sockets
smileFactory.configure(SmileFactory.Feature.FAIL_ON_SYMBOL_HASH_OVERFLOW, false); // this trips on many mappings now...
// Do not automatically close unclosed objects/arrays in com.fasterxml.jackson.dataformat.smile.SmileGenerator#close() method
smileFactory.configure(JsonGenerator.Feature.AUTO_CLOSE_JSON_CONTENT, false);
smileFactory.configure(JsonParser.Feature.STRICT_DUPLICATE_DETECTION, XContent.isStrictDuplicateDetectionEnabled());
smileXContent = new SmileXContent();
}
private SmileXContent() {
}
@Override
public XContentType type() {
return XContentType.SMILE;
}
@Override
public byte streamSeparator() {
return (byte) 0xFF;
}
@Override
public XContentGenerator createGenerator(OutputStream os, Set includes, Set excludes) throws IOException {
return new SmileXContentGenerator(smileFactory.createGenerator(os, JsonEncoding.UTF8), os, includes, excludes);
}
@Override
public XContentParser createParser(NamedXContentRegistry xContentRegistry, String content) throws IOException {
return new SmileXContentParser(xContentRegistry, smileFactory.createParser(new FastStringReader(content)));
}
@Override
public XContentParser createParser(NamedXContentRegistry xContentRegistry, InputStream is) throws IOException {
return new SmileXContentParser(xContentRegistry, smileFactory.createParser(is));
}
@Override
public XContentParser createParser(NamedXContentRegistry xContentRegistry, byte[] data) throws IOException {
return new SmileXContentParser(xContentRegistry, smileFactory.createParser(data));
}
@Override
public XContentParser createParser(NamedXContentRegistry xContentRegistry, byte[] data, int offset, int length) throws IOException {
return new SmileXContentParser(xContentRegistry, smileFactory.createParser(data, offset, length));
}
@Override
public XContentParser createParser(NamedXContentRegistry xContentRegistry, BytesReference bytes) throws IOException {
return createParser(xContentRegistry, bytes.streamInput());
}
@Override
public XContentParser createParser(NamedXContentRegistry xContentRegistry, Reader reader) throws IOException {
return new SmileXContentParser(xContentRegistry, smileFactory.createParser(reader));
}
}