de.odysseus.staxon.json.stream.jackson.JacksonStreamFactory.java Source code

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Here is the source code for de.odysseus.staxon.json.stream.jackson.JacksonStreamFactory.java

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/*
 * Copyright 2011, 2012 Odysseus Software GmbH
 *
 * 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 de.odysseus.staxon.json.stream.jackson;

import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.io.Reader;
import java.io.Writer;

import com.fasterxml.jackson.core.JsonEncoding;
import com.fasterxml.jackson.core.JsonFactory;
import com.fasterxml.jackson.core.JsonGenerator;
import com.fasterxml.jackson.core.JsonParser;

import de.odysseus.staxon.json.stream.JsonStreamFactory;
import de.odysseus.staxon.json.stream.JsonStreamSource;
import de.odysseus.staxon.json.stream.JsonStreamTarget;

public class JacksonStreamFactory extends JsonStreamFactory {
    private final JsonFactory jsonFactory;

    public JacksonStreamFactory() {
        this(new JsonFactory());
    }

    public JacksonStreamFactory(JsonFactory jsonFactory) {
        this.jsonFactory = jsonFactory;
    }

    protected JsonParser configure(JsonParser parser) {
        return parser.configure(JsonParser.Feature.AUTO_CLOSE_SOURCE, false);
    }

    protected JsonGenerator configure(JsonGenerator generator, boolean pretty) {
        generator.configure(JsonGenerator.Feature.AUTO_CLOSE_TARGET, false);
        if (pretty) {
            generator.useDefaultPrettyPrinter();
        }
        return generator;
    }

    @Override
    public JsonStreamSource createJsonStreamSource(InputStream input) throws IOException {
        return new JacksonStreamSource(configure(jsonFactory.createParser(input)));
    }

    @Override
    public JsonStreamSource createJsonStreamSource(Reader reader) throws IOException {
        return new JacksonStreamSource(configure(jsonFactory.createParser(reader)));
    }

    @Override
    public JsonStreamTarget createJsonStreamTarget(OutputStream output, boolean pretty) throws IOException {
        return new JacksonStreamTarget(configure(jsonFactory.createGenerator(output, JsonEncoding.UTF8), pretty));
    }

    @Override
    public JsonStreamTarget createJsonStreamTarget(Writer writer, boolean pretty) throws IOException {
        return new JacksonStreamTarget(configure(jsonFactory.createGenerator(writer), pretty));
    }
}