001/*
002 * Licensed to the Apache Software Foundation (ASF) under one or more
003 * contributor license agreements.  See the NOTICE file distributed with
004 * this work for additional information regarding copyright ownership.
005 * The ASF licenses this file to You under the Apache License, Version 2.0
006 * (the "License"); you may not use this file except in compliance with
007 * the License.  You may obtain a copy of the License at
008 *
009 *      http://www.apache.org/licenses/LICENSE-2.0
010 *
011 * Unless required by applicable law or agreed to in writing, software
012 * distributed under the License is distributed on an "AS IS" BASIS,
013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
014 * See the License for the specific language governing permissions and
015 * limitations under the License.
016 */
017package org.apache.juneau.swaps;
018
019import static org.apache.juneau.common.utils.IOUtils.*;
020
021import java.io.*;
022
023import org.apache.juneau.*;
024import org.apache.juneau.swap.*;
025
026/**
027 * Transforms <code>Readers</code> to {@link String Strings}.
028 *
029 * <h5 class='section'>See Also:</h5><ul>
030 *    <li class='link'><a class="doclink" href="https://juneau.apache.org/docs/topics/SwapBasics">Swap Basics</a>
031
032 * </ul>
033 */
034public class ReaderSwap extends StringSwap<Reader> {
035
036   /**
037    * Converts the specified {@link InputStream} to a {@link String}.
038    */
039   @Override /* ObjectSwap */
040   public String swap(BeanSession session, Reader r) throws Exception {
041      return read(r);
042   }
043}