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A Minimal JSON Parser and Writer

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/*******************************************************************************
 * Copyright (c) 2013 EclipseSource.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *    Ralf Sternberg - initial implementation and API
 ******************************************************************************/
package com.eclipsesource.json;

import java.io.IOException;


@SuppressWarnings( "serial" ) // use default serial UID
class JsonString extends JsonValue {

  private final String string;

  JsonString( String string ) {
    if( string == null ) {
      throw new NullPointerException( "string is null" );
    }
    this.string = string;
  }

  @Override
  protected void write( JsonWriter writer ) throws IOException {
    writer.writeString( string );
  }

  @Override
  public boolean isString() {
    return true;
  }

  @Override
  public String asString() {
    return string;
  }

  @Override
  public int hashCode() {
    return string.hashCode();
  }

  @Override
  public boolean equals( Object object ) {
    if( this == object ) {
      return true;
    }
    if( object == null ) {
      return false;
    }
    if( getClass() != object.getClass() ) {
      return false;
    }
    JsonString other = (JsonString)object;
    return string.equals( other.string );
  }

}