| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF 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.apache.johnzon.core; |
| |
| import static java.util.Arrays.asList; |
| |
| import java.io.OutputStream; |
| import java.io.Writer; |
| import java.nio.charset.Charset; |
| import java.util.Collection; |
| import java.util.Collections; |
| import java.util.Map; |
| import java.util.concurrent.ConcurrentMap; |
| |
| import javax.json.stream.JsonGenerator; |
| import javax.json.stream.JsonGeneratorFactory; |
| |
| public class JsonGeneratorFactoryImpl extends AbstractJsonFactory implements JsonGeneratorFactory { |
| public static final String GENERATOR_BUFFER_LENGTH = "org.apache.johnzon.default-char-buffer-generator"; |
| public static final int DEFAULT_GENERATOR_BUFFER_LENGTH = Integer.getInteger(GENERATOR_BUFFER_LENGTH, 64 * 1024); //64k |
| |
| static final Collection<String> SUPPORTED_CONFIG_KEYS = asList( |
| JsonGenerator.PRETTY_PRINTING, GENERATOR_BUFFER_LENGTH, BUFFER_STRATEGY |
| ); |
| //key caching currently disabled |
| private final ConcurrentMap<String, String> cache = null;//new ConcurrentHashMap<String, String>(); |
| private final boolean pretty; |
| private final BufferStrategy.BufferProvider<char[]> bufferProvider; |
| |
| public JsonGeneratorFactoryImpl(final Map<String, ?> config) { |
| |
| super(config, SUPPORTED_CONFIG_KEYS, null); |
| |
| this.pretty = getBool(JsonGenerator.PRETTY_PRINTING, false); |
| |
| final int bufferSize = getInt(GENERATOR_BUFFER_LENGTH, DEFAULT_GENERATOR_BUFFER_LENGTH); |
| if (bufferSize <= 0) { |
| throw new IllegalArgumentException("buffer length must be greater than zero"); |
| } |
| |
| this.bufferProvider = getBufferProvider().newCharProvider(bufferSize); |
| } |
| |
| @Override |
| public JsonGenerator createGenerator(final Writer writer) { |
| return new JsonGeneratorImpl(writer, bufferProvider, cache, pretty); |
| } |
| |
| @Override |
| public JsonGenerator createGenerator(final OutputStream out) { |
| return new JsonGeneratorImpl(out, bufferProvider, cache, pretty); |
| } |
| |
| @Override |
| public JsonGenerator createGenerator(final OutputStream out, final Charset charset) { |
| return new JsonGeneratorImpl(out,charset, bufferProvider, cache, pretty); |
| } |
| |
| @Override |
| public Map<String, ?> getConfigInUse() { |
| return Collections.unmodifiableMap(internalConfig); |
| } |
| } |