View Javadoc

1   //
2   //  ========================================================================
3   //  Copyright (c) 1995-2013 Mort Bay Consulting Pty. Ltd.
4   //  ------------------------------------------------------------------------
5   //  All rights reserved. This program and the accompanying materials
6   //  are made available under the terms of the Eclipse Public License v1.0
7   //  and Apache License v2.0 which accompanies this distribution.
8   //
9   //      The Eclipse Public License is available at
10  //      http://www.eclipse.org/legal/epl-v10.html
11  //
12  //      The Apache License v2.0 is available at
13  //      http://www.opensource.org/licenses/apache2.0.php
14  //
15  //  You may elect to redistribute this code under either of these licenses.
16  //  ========================================================================
17  //
18  
19  package org.eclipse.jetty.server;
20  
21  import java.io.IOException;
22  
23  import javax.servlet.ServletInputStream;
24  
25  import org.eclipse.jetty.http.HttpParser;
26  import org.eclipse.jetty.io.Buffer;
27  import org.eclipse.jetty.io.EofException;
28  
29  public class HttpInput extends ServletInputStream
30  {
31      protected final AbstractHttpConnection _connection;
32      protected final HttpParser _parser;
33  
34      /* ------------------------------------------------------------ */
35      public HttpInput(AbstractHttpConnection connection)
36      {
37          _connection=connection;
38          _parser=(HttpParser)connection.getParser();
39      }
40      
41      /* ------------------------------------------------------------ */
42      /*
43       * @see java.io.InputStream#read()
44       */
45      @Override
46      public int read() throws IOException
47      {
48          byte[] bytes = new byte[1];
49          int read = read(bytes, 0, 1);
50          return read < 0 ? -1 : 0xff & bytes[0];
51      }
52      
53      /* ------------------------------------------------------------ */
54      /* 
55       * @see java.io.InputStream#read(byte[], int, int)
56       */
57      @Override
58      public int read(byte[] b, int off, int len) throws IOException
59      {
60          int l=-1;
61          Buffer content=_parser.blockForContent(_connection.getMaxIdleTime());
62          if (content!=null)
63              l= content.get(b, off, len);
64          else if (_connection.isEarlyEOF())
65              throw new EofException("early EOF");
66          return l;
67      }
68  
69      /* ------------------------------------------------------------ */
70      @Override
71      public int available() throws IOException
72      {
73          return _parser.available();
74      }
75  }