com.google.api.client.json.jackson2.JacksonFactory Maven / Gradle / Ivy
/*
* Copyright (c) 2012 Google Inc.
*
* 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.
*/
package com.google.api.client.json.jackson2;
import com.google.api.client.json.JsonFactory;
import com.google.api.client.json.JsonGenerator;
import com.google.api.client.json.JsonParser;
import com.google.api.client.util.Preconditions;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.io.Reader;
import java.io.Writer;
import java.nio.charset.Charset;
/**
* Low-level JSON library implementation based on Jackson 2.
*
* Implementation is thread-safe. For maximum efficiency, applications should use a single
* globally-shared instance of the JSON factory.
*
* @since 1.11
* @author Yaniv Inbar
* @deprecated use com.google.api.client.json.GsonFactory instead
*/
@Deprecated
public final class JacksonFactory extends JsonFactory {
/** JSON factory. */
private final com.fasterxml.jackson.core.JsonFactory factory =
new com.fasterxml.jackson.core.JsonFactory();
{
// don't auto-close JSON content in order to ensure consistent behavior across JSON factories
// TODO(rmistry): Should we disable the JsonGenerator.Feature.AUTO_CLOSE_TARGET feature?
factory.configure(
com.fasterxml.jackson.core.JsonGenerator.Feature.AUTO_CLOSE_JSON_CONTENT, false);
}
/**
* Returns a global thread-safe instance.
*
* @since 1.16
*/
public static JacksonFactory getDefaultInstance() {
return InstanceHolder.INSTANCE;
}
/** Holder for the result of {@link #getDefaultInstance()}. */
static class InstanceHolder {
static final JacksonFactory INSTANCE = new JacksonFactory();
}
@Override
public JsonGenerator createJsonGenerator(OutputStream out, Charset enc) throws IOException {
return new JacksonGenerator(
this, factory.createJsonGenerator(out, com.fasterxml.jackson.core.JsonEncoding.UTF8));
}
@Override
public JsonGenerator createJsonGenerator(Writer writer) throws IOException {
return new JacksonGenerator(this, factory.createJsonGenerator(writer));
}
@Override
public JsonParser createJsonParser(Reader reader) throws IOException {
Preconditions.checkNotNull(reader);
return new JacksonParser(this, factory.createJsonParser(reader));
}
@Override
public JsonParser createJsonParser(InputStream in) throws IOException {
Preconditions.checkNotNull(in);
return new JacksonParser(this, factory.createJsonParser(in));
}
@Override
public JsonParser createJsonParser(InputStream in, Charset charset) throws IOException {
Preconditions.checkNotNull(in);
return new JacksonParser(this, factory.createJsonParser(in));
}
@Override
public JsonParser createJsonParser(String value) throws IOException {
Preconditions.checkNotNull(value);
return new JacksonParser(this, factory.createJsonParser(value));
}
}