/*

  * 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 java.io.InputStream;

 import java.io.OutputStream;

 import java.io.Reader;

 import java.io.Serializable;

 import java.io.Writer;

 import java.util.Map;

 import javax.json.JsonArrayBuilder;

 import javax.json.JsonBuilderFactory;

 import javax.json.JsonObjectBuilder;

 import javax.json.JsonReader;

 import javax.json.JsonReaderFactory;

 import javax.json.JsonWriter;

 import javax.json.JsonWriterFactory;

 import javax.json.spi.JsonProvider;

 import javax.json.stream.JsonGenerator;

 import javax.json.stream.JsonGeneratorFactory;

 import javax.json.stream.JsonParser;

 import javax.json.stream.JsonParserFactory;

 public class JsonProviderImpl extends JsonProvider implements Serializable {

     private static final JsonProvider DELEGATE = new JsonProviderDelegate();

     @Override

     public JsonParser createParser(final Reader reader) {

         return DELEGATE.createParser(reader);

     }

     @Override

     public JsonParser createParser(final InputStream inputStream) {

         return DELEGATE.createParser(inputStream);

     }

     @Override

     public JsonParserFactory createParserFactory(final Map<String, ?> stringMap) {

         return DELEGATE.createParserFactory(stringMap);

     }

     @Override

     public JsonGenerator createGenerator(final Writer writer) {

         return DELEGATE.createGenerator(writer);

     }

     @Override

     public JsonGenerator createGenerator(final OutputStream outputStream) {

         return DELEGATE.createGenerator(outputStream);

     }

     @Override

     public JsonGeneratorFactory createGeneratorFactory(final Map<String, ?> stringMap) {

         return DELEGATE.createGeneratorFactory(stringMap);

     }

     @Override

     public JsonReader createReader(final Reader reader) {

         return DELEGATE.createReader(reader);

     }

     @Override

     public JsonReader createReader(final InputStream inputStream) {

         return DELEGATE.createReader(inputStream);

     }

     @Override

     public JsonWriter createWriter(final Writer writer) {

         return DELEGATE.createWriter(writer);

     }

     @Override

     public JsonWriter createWriter(final OutputStream outputStream) {

         return DELEGATE.createWriter(outputStream);

     }

     @Override

     public JsonWriterFactory createWriterFactory(final Map<String, ?> stringMap) {

         return DELEGATE.createWriterFactory(stringMap);

     }

     @Override

     public JsonReaderFactory createReaderFactory(final Map<String, ?> stringMap) {

         return DELEGATE.createReaderFactory(stringMap);

     }

     @Override

     public JsonObjectBuilder createObjectBuilder() {

         return DELEGATE.createObjectBuilder();

     }

     @Override

     public JsonArrayBuilder createArrayBuilder() {

         return DELEGATE.createArrayBuilder();

     }

     @Override

     public JsonBuilderFactory createBuilderFactory(final Map<String, ?> stringMap) {

         return DELEGATE.createBuilderFactory(stringMap);

     }

     static class JsonProviderDelegate extends JsonProvider {

         private final JsonReaderFactory readerFactory = new JsonReaderFactoryImpl(null);

         private final JsonParserFactory parserFactory = new JsonParserFactoryImpl(null);

         private final JsonGeneratorFactory generatorFactory = new JsonGeneratorFactoryImpl(null);

         private final JsonWriterFactory writerFactory = new JsonWriterFactoryImpl(null);

         private final JsonBuilderFactory builderFactory = new JsonBuilderFactoryImpl(null);

         @Override

         public JsonParser createParser(final InputStream in) {

             return parserFactory.createParser(in);

         }

         @Override

         public JsonParser createParser(final Reader reader) {

             return parserFactory.createParser(reader);

         }

         @Override

         public JsonReader createReader(final InputStream in) {

             return readerFactory.createReader(in);

         }

         @Override

         public JsonReader createReader(final Reader reader) {

             return readerFactory.createReader(reader);

         }

         @Override

         public JsonParserFactory createParserFactory(final Map<String, ?> config) {

             return (config == null || config.isEmpty()) ? parserFactory : new JsonParserFactoryImpl(config);

         }

         @Override

         public JsonReaderFactory createReaderFactory(final Map<String, ?> config) {

             return (config == null || config.isEmpty()) ? readerFactory : new JsonReaderFactoryImpl(config);

         }

         @Override

         public JsonGenerator createGenerator(final Writer writer) {

             return generatorFactory.createGenerator(writer);

         }

         @Override

         public JsonGenerator createGenerator(final OutputStream out) {

             return generatorFactory.createGenerator(out);

         }

         @Override

         public JsonGeneratorFactory createGeneratorFactory(final Map<String, ?> config) {

             return (config == null || config.isEmpty()) ? generatorFactory : new JsonGeneratorFactoryImpl(config);

         }

         @Override

         public JsonWriter createWriter(final Writer writer) {

             return writerFactory.createWriter(writer);

         }

         @Override

         public JsonWriter createWriter(final OutputStream out) {

             return writerFactory.createWriter(out);

         }

         @Override

         public JsonWriterFactory createWriterFactory(final Map<String, ?> config) {

             return (config == null || config.isEmpty()) ? writerFactory : new JsonWriterFactoryImpl(config);

         }

         @Override

         public JsonObjectBuilder createObjectBuilder() {

             return builderFactory.createObjectBuilder();

         }

         @Override

         public JsonArrayBuilder createArrayBuilder() {

             return builderFactory.createArrayBuilder();

         }

         @Override

         public JsonBuilderFactory createBuilderFactory(final Map<String, ?> config) {

             return (config == null || config.isEmpty()) ? builderFactory : new JsonBuilderFactoryImpl(config);

         }

     }

 }