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  Class java.util.zip.CheckedInputStream
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<h1>
  Class java.util.zip.CheckedInputStream
</h1>
<pre>
<a href="java.lang.Object.html#_top_">java.lang.Object</a>
   |
   +----<a href="java.io.InputStream.html#_top_">java.io.InputStream</a>
           |
           +----<a href="java.io.FilterInputStream.html#_top_">java.io.FilterInputStream</a>
                   |
                   +----java.util.zip.CheckedInputStream
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<dl>
  <dt> public class <b>CheckedInputStream</b>
  <dt> extends <a href="java.io.FilterInputStream.html#_top_">FilterInputStream</a>
</dl>
An input stream that also maintains a checksum of the data being read.
 The checksum can then be used to verify the integrity of the input data.
<p>
<dl>
    <dt> <b>See Also:</b>
    <dd> <a href="java.util.zip.Checksum.html#_top_">Checksum</a>
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<a name="index"></a>
<h2>
  <img src="images/constructor-index.gif" width=275 height=38 alt="Constructor Index">
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<dl>
  <dt> <img src="images/yellow-ball-small.gif" width=6 height=6 alt=" o ">
	<a href="#CheckedInputStream(java.io.InputStream, java.util.zip.Checksum)"><b>CheckedInputStream</b></a>(InputStream, Checksum)
  <dd>  Creates an input stream using the specified Checksum.
</dl>
<h2>
  <img src="images/method-index.gif" width=207 height=38 alt="Method Index">
</h2>
<dl>
  <dt> <img src="images/red-ball-small.gif" width=6 height=6 alt=" o ">
	<a href="#getChecksum()"><b>getChecksum</b></a>()
  <dd>  Returns the Checksum for this input stream.
  <dt> <img src="images/red-ball-small.gif" width=6 height=6 alt=" o ">
	<a href="#read()"><b>read</b></a>()
  <dd>  Reads a byte.
  <dt> <img src="images/red-ball-small.gif" width=6 height=6 alt=" o ">
	<a href="#read(byte[], int, int)"><b>read</b></a>(byte[], int, int)
  <dd>  Reads into an array of bytes.
  <dt> <img src="images/red-ball-small.gif" width=6 height=6 alt=" o ">
	<a href="#skip(long)"><b>skip</b></a>(long)
  <dd>  Skips specified number of bytes of input.
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<a name="constructors"></a>
<h2>
  <img src="images/constructors.gif" width=231 height=38 alt="Constructors">
</h2>
<a name="CheckedInputStream"></a>
<a name="CheckedInputStream(java.io.InputStream, java.util.zip.Checksum)"><img src="images/yellow-ball.gif" width=12 height=12 alt=" o "></a>
<b>CheckedInputStream</b>
<pre>
 public CheckedInputStream(<a href="java.io.InputStream.html#_top_">InputStream</a> in,
                           <a href="java.util.zip.Checksum.html#_top_">Checksum</a> cksum)
</pre>
<dl>
  <dd> Creates an input stream using the specified Checksum.
<p>
  <dd><dl>
    <dt> <b>Parameters:</b>
    <dd> in - the input stream
    <dd> cksum - the Checksum
  </dl></dd>
</dl>
<a name="methods"></a>
<h2>
  <img src="images/methods.gif" width=151 height=38 alt="Methods">
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<a name="read()"><img src="images/red-ball.gif" width=12 height=12 alt=" o "></a>
<a name="read"><b>read</b></a>
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 public int read() throws <a href="java.io.IOException.html#_top_">IOException</a>
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<dl>
  <dd> Reads a byte. Will block if no input is available.
<p>
  <dd><dl>
    <dt> <b>Returns:</b>
    <dd> the byte read, or -1 if the end of the stream is reached.
    <dt> <b>Throws:</b> <a href="java.io.IOException.html#_top_">IOException</a>
    <dd> if an I/O error has occurred
    <dt> <b>Overrides:</b>
    <dd> <a href="java.io.FilterInputStream.html#read()">read</a> in class <a href="java.io.FilterInputStream.html#_top_">FilterInputStream</a>
  </dl></dd>
</dl>
<a name="read(byte[], int, int)"><img src="images/red-ball.gif" width=12 height=12 alt=" o "></a>
<a name="read"><b>read</b></a>
<pre>
 public int read(byte buf[],
                 int off,
                 int len) throws <a href="java.io.IOException.html#_top_">IOException</a>
</pre>
<dl>
  <dd> Reads into an array of bytes. Will block until some input
 is available.
<p>
  <dd><dl>
    <dt> <b>Parameters:</b>
    <dd> buf - the buffer into which the data is read
    <dd> off - the start offset of the data
    <dd> len - the maximum number of bytes read
    <dt> <b>Returns:</b>
    <dd> the actual number of bytes read, or -1 if the end
		  of the stream is reached.
    <dt> <b>Throws:</b> <a href="java.io.IOException.html#_top_">IOException</a>
    <dd> if an I/O error has occurred
    <dt> <b>Overrides:</b>
    <dd> <a href="java.io.FilterInputStream.html#read(byte[], int, int)">read</a> in class <a href="java.io.FilterInputStream.html#_top_">FilterInputStream</a>
  </dl></dd>
</dl>
<a name="skip(long)"><img src="images/red-ball.gif" width=12 height=12 alt=" o "></a>
<a name="skip"><b>skip</b></a>
<pre>
 public long skip(long n) throws <a href="java.io.IOException.html#_top_">IOException</a>
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<dl>
  <dd> Skips specified number of bytes of input.
<p>
  <dd><dl>
    <dt> <b>Parameters:</b>
    <dd> n - the number of bytes to skip
    <dt> <b>Returns:</b>
    <dd> the actual number of bytes skipped
    <dt> <b>Throws:</b> <a href="java.io.IOException.html#_top_">IOException</a>
    <dd> if an I/O error has occurred
    <dt> <b>Overrides:</b>
    <dd> <a href="java.io.FilterInputStream.html#skip(long)">skip</a> in class <a href="java.io.FilterInputStream.html#_top_">FilterInputStream</a>
  </dl></dd>
</dl>
<a name="getChecksum()"><img src="images/red-ball.gif" width=12 height=12 alt=" o "></a>
<a name="getChecksum"><b>getChecksum</b></a>
<pre>
 public <a href="java.util.zip.Checksum.html#_top_">Checksum</a> getChecksum()
</pre>
<dl>
  <dd> Returns the Checksum for this input stream.
<p>
</dl>
<hr>
<pre>
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