/*
 * Copyright (c) 2012, 2020 Oracle and/or its affiliates. All rights reserved.
 *
 * This program and the accompanying materials are made available under the
 * terms of the Eclipse Public License v. 2.0, which is available at
 * http://www.eclipse.org/legal/epl-2.0.
 *
 * This Source Code may also be made available under the following Secondary
 * Licenses when the conditions for such availability set forth in the
 * Eclipse Public License v. 2.0 are satisfied: GNU General Public License,
 * version 2 with the GNU Classpath Exception, which is available at
 * https://www.gnu.org/software/classpath/license.html.
 *
 * SPDX-License-Identifier: EPL-2.0 OR GPL-2.0 WITH Classpath-exception-2.0
 */

package com.sun.ts.tests.jaxrs.spec.client.typedentities;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.lang.annotation.Annotation;
import java.lang.reflect.Type;

import jakarta.ws.rs.WebApplicationException;
import jakarta.ws.rs.core.MediaType;
import jakarta.ws.rs.core.MultivaluedMap;
import jakarta.ws.rs.ext.MessageBodyReader;

import com.sun.ts.tests.jaxrs.ee.rs.ext.messagebodyreaderwriter.ReadableWritableEntity;

public class EntityMessageReader
    implements MessageBodyReader<ReadableWritableEntity> {

  @Override
  public boolean isReadable(Class<?> type, Type genericType,
      Annotation[] annotations, MediaType mediaType) {
    return ReadableWritableEntity.class.isAssignableFrom(type);
  }

  @Override
  public ReadableWritableEntity readFrom(Class<ReadableWritableEntity> arg0,
      Type arg1, Annotation[] annotations, MediaType mediaType,
      MultivaluedMap<String, String> arg4, InputStream entityStream)
      throws IOException, WebApplicationException {
    String entity = readInputStream(entityStream);
    return ReadableWritableEntity.fromString(entity);
  }

  String readInputStream(InputStream is) throws IOException {
    InputStreamReader isr = new InputStreamReader(is);
    BufferedReader br = new BufferedReader(isr);
    return br.readLine();
  }

}
