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/**
 * Copyright 2011 The PlayN Authors
 *
 * 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 playn.core.json;

import playn.core.Json;

/**
 * {@link Json} implementation for Java-like platforms.
 * 
 * This class is public to allow the other engines to reference it, but it is not part of the public API.
 */
public class JsonImpl implements Json {

  @Override
  public Json.Writer newWriter() {
    return new JsonStringWriter();
  }

  @Override
  public Array createArray() {
    return new JsonArray();
  }
  
  @Override
  public Object createObject() {
    return new JsonObject();
  }
  
  @Override
  public boolean isArray(java.lang.Object o) {
    return JsonTypes.isArray(o);
  }
  
  @Override
  public boolean isObject(java.lang.Object o) {
    return JsonTypes.isObject(o);
  }
  
  @Override
  public Object parse(String json) throws JsonParserException {
    return JsonParser.object().from(json);
  }

  @Override
  public Array parseArray(String json) throws JsonParserException {
    return JsonParser.array().from(json);
  }
  
  static void checkJsonType(java.lang.Object value) {
    if (value == null || value instanceof String || value instanceof Json.Object || value instanceof Json.Array || value instanceof Boolean || value instanceof Number)
      return;
    
    throw new IllegalArgumentException("Invalid JSON type [value=" + value + ", class=" + value.getClass() + "]");
  }

}