/*
 * Copyright (C) 2014, United States Government, as represented by the
 * Administrator of the National Aeronautics and Space Administration.
 * All rights reserved.
 *
 * The Java Pathfinder core (jpf-core) platform is 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 gov.nasa.jpf.vm;

import gov.nasa.jpf.annotation.MJI;
import gov.nasa.jpf.vm.MJIEnv;
import gov.nasa.jpf.vm.NativePeer;

import java.io.UnsupportedEncodingException;
import java.net.URLEncoder;

/**
 * native peer for java.net.URLEncoder forwarding
 */
public class JPF_java_net_URLEncoder extends NativePeer {

  // simple host delegation
  @MJI
  public int encode__Ljava_lang_String_2Ljava_lang_String_2__Ljava_lang_String_2(MJIEnv env, int clsObjRef,
          int sRef, int encRef){
    String s = env.getStringObject(sRef);
    String enc = env.getStringObject(encRef);

    try {
      String e = URLEncoder.encode(s, enc);
      return env.newString(e);

    } catch (UnsupportedEncodingException x){
      env.throwException("java.io.UnsupportedEncodingException", x.getMessage());
      return MJIEnv.NULL;
    }
  }
}