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      1 /*
      2  *  Licensed to the Apache Software Foundation (ASF) under one or more
      3  *  contributor license agreements.  See the NOTICE file distributed with
      4  *  this work for additional information regarding copyright ownership.
      5  *  The ASF licenses this file to You under the Apache License, Version 2.0
      6  *  (the "License"); you may not use this file except in compliance with
      7  *  the License.  You may obtain a copy of the License at
      8  *
      9  *     http://www.apache.org/licenses/LICENSE-2.0
     10  *
     11  *  Unless required by applicable law or agreed to in writing, software
     12  *  distributed under the License is distributed on an "AS IS" BASIS,
     13  *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     14  *  See the License for the specific language governing permissions and
     15  *  limitations under the License.
     16  */
     17 
     18 package org.apache.harmony.xnet.provider.jsse;
     19 
     20 import java.io.IOException;
     21 import java.io.InputStream;
     22 
     23 /**
     24  * This class acts like a filtered input stream: it takes
     25  * the bytes from another InputStream.
     26  */
     27 public class SSLStreamedInput extends SSLInputStream {
     28 
     29     private InputStream in;
     30 
     31     public SSLStreamedInput(InputStream in) {
     32         this.in = in;
     33     }
     34 
     35     @Override
     36     public int available() throws IOException {
     37         return in.available();
     38     }
     39 
     40     /**
     41      * Read an opaque value from the stream.
     42      * @return the value read from the underlying stream.
     43      * @throws IOException if the data could not be read from
     44      * the underlying stream
     45      * @throws org.apache.harmony.xnet.provider.jsse.EndOfSourceException if the end of the underlying
     46      * stream has been reached.
     47      */
     48     @Override
     49     public int read() throws IOException {
     50         int res = in.read();
     51         if (res < 0) {
     52             throw new EndOfSourceException();
     53         }
     54         return res;
     55     }
     56 }
     57 
     58