objectinputstream.html

API資料大全

</DL>
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<A NAME="available()"><!-- --></A><H3>
available</H3>
<PRE>
public int <B>available</B>()
              throws <A HREF="../../java/io/IOException.html">IOException</A></PRE>
<DL>
<DD>Returns the number of bytes that can be read without blocking.<DD><DL>
<DT><B>Specified by: </B><DD><CODE><A HREF="../../java/io/ObjectInput.html#available()">available</A></CODE> in interface <CODE><A HREF="../../java/io/ObjectInput.html">ObjectInput</A></CODE><DT><B>Overrides:</B><DD><CODE><A HREF="../../java/io/InputStream.html#available()">available</A></CODE> in class <CODE><A HREF="../../java/io/InputStream.html">InputStream</A></CODE></DL>
</DD>
<DD><DL>
<DT><B>Returns:</B><DD>the number of available bytes.<DT><B>Throws:</B><DD><CODE><A HREF="../../java/io/IOException.html">IOException</A></CODE> - if there are I/O errors while reading from the
 underlying <code>InputStream</code></DL>
</DD>
</DL>
<HR>

<A NAME="close()"><!-- --></A><H3>
close</H3>
<PRE>
public void <B>close</B>()
           throws <A HREF="../../java/io/IOException.html">IOException</A></PRE>
<DL>
<DD>Closes the input stream. Must be called
 to release any resources associated with
 the stream.<DD><DL>
<DT><B>Specified by: </B><DD><CODE><A HREF="../../java/io/ObjectInput.html#close()">close</A></CODE> in interface <CODE><A HREF="../../java/io/ObjectInput.html">ObjectInput</A></CODE><DT><B>Overrides:</B><DD><CODE><A HREF="../../java/io/InputStream.html#close()">close</A></CODE> in class <CODE><A HREF="../../java/io/InputStream.html">InputStream</A></CODE></DL>
</DD>
<DD><DL>
<DT><B>Throws:</B><DD><CODE><A HREF="../../java/io/IOException.html">IOException</A></CODE> - If an I/O error has occurred.</DL>
</DD>
</DL>
<HR>

<A NAME="readBoolean()"><!-- --></A><H3>
readBoolean</H3>
<PRE>
public boolean <B>readBoolean</B>()
                    throws <A HREF="../../java/io/IOException.html">IOException</A></PRE>
<DL>
<DD>Reads in a boolean.<DD><DL>
<DT><B>Specified by: </B><DD><CODE><A HREF="../../java/io/DataInput.html#readBoolean()">readBoolean</A></CODE> in interface <CODE><A HREF="../../java/io/DataInput.html">DataInput</A></CODE></DL>
</DD>
<DD><DL>
<DT><B>Returns:</B><DD>the boolean read.<DT><B>Throws:</B><DD><CODE><A HREF="../../java/io/EOFException.html">EOFException</A></CODE> - If end of file is reached.<DD><CODE><A HREF="../../java/io/IOException.html">IOException</A></CODE> - If other I/O error has occurred.</DL>
</DD>
</DL>
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<A NAME="readByte()"><!-- --></A><H3>
readByte</H3>
<PRE>
public byte <B>readByte</B>()
              throws <A HREF="../../java/io/IOException.html">IOException</A></PRE>
<DL>
<DD>Reads an 8 bit byte.<DD><DL>
<DT><B>Specified by: </B><DD><CODE><A HREF="../../java/io/DataInput.html#readByte()">readByte</A></CODE> in interface <CODE><A HREF="../../java/io/DataInput.html">DataInput</A></CODE></DL>
</DD>
<DD><DL>
<DT><B>Returns:</B><DD>the 8 bit byte read.<DT><B>Throws:</B><DD><CODE><A HREF="../../java/io/EOFException.html">EOFException</A></CODE> - If end of file is reached.<DD><CODE><A HREF="../../java/io/IOException.html">IOException</A></CODE> - If other I/O error has occurred.</DL>
</DD>
</DL>
<HR>

<A NAME="readUnsignedByte()"><!-- --></A><H3>
readUnsignedByte</H3>
<PRE>
public int <B>readUnsignedByte</B>()
                     throws <A HREF="../../java/io/IOException.html">IOException</A></PRE>
<DL>
<DD>Reads an unsigned 8 bit byte.<DD><DL>
<DT><B>Specified by: </B><DD><CODE><A HREF="../../java/io/DataInput.html#readUnsignedByte()">readUnsignedByte</A></CODE> in interface <CODE><A HREF="../../java/io/DataInput.html">DataInput</A></CODE></DL>
</DD>
<DD><DL>
<DT><B>Returns:</B><DD>the 8 bit byte read.<DT><B>Throws:</B><DD><CODE><A HREF="../../java/io/EOFException.html">EOFException</A></CODE> - If end of file is reached.<DD><CODE><A HREF="../../java/io/IOException.html">IOException</A></CODE> - If other I/O error has occurred.</DL>
</DD>
</DL>
<HR>

<A NAME="readShort()"><!-- --></A><H3>
readShort</H3>
<PRE>
public short <B>readShort</B>()
                throws <A HREF="../../java/io/IOException.html">IOException</A></PRE>
<DL>
<DD>Reads a 16 bit short.<DD><DL>
<DT><B>Specified by: </B><DD><CODE><A HREF="../../java/io/DataInput.html#readShort()">readShort</A></CODE> in interface <CODE><A HREF="../../java/io/DataInput.html">DataInput</A></CODE></DL>
</DD>
<DD><DL>
<DT><B>Returns:</B><DD>the 16 bit short read.<DT><B>Throws:</B><DD><CODE><A HREF="../../java/io/EOFException.html">EOFException</A></CODE> - If end of file is reached.<DD><CODE><A HREF="../../java/io/IOException.html">IOException</A></CODE> - If other I/O error has occurred.</DL>
</DD>
</DL>
<HR>

<A NAME="readUnsignedShort()"><!-- --></A><H3>
readUnsignedShort</H3>
<PRE>
public int <B>readUnsignedShort</B>()
                      throws <A HREF="../../java/io/IOException.html">IOException</A></PRE>
<DL>
<DD>Reads an unsigned 16 bit short.<DD><DL>
<DT><B>Specified by: </B><DD><CODE><A HREF="../../java/io/DataInput.html#readUnsignedShort()">readUnsignedShort</A></CODE> in interface <CODE><A HREF="../../java/io/DataInput.html">DataInput</A></CODE></DL>
</DD>
<DD><DL>
<DT><B>Returns:</B><DD>the 16 bit short read.<DT><B>Throws:</B><DD><CODE><A HREF="../../java/io/EOFException.html">EOFException</A></CODE> - If end of file is reached.<DD><CODE><A HREF="../../java/io/IOException.html">IOException</A></CODE> - If other I/O error has occurred.</DL>
</DD>
</DL>
<HR>

<A NAME="readChar()"><!-- --></A><H3>
readChar</H3>
<PRE>
public char <B>readChar</B>()
              throws <A HREF="../../java/io/IOException.html">IOException</A></PRE>
<DL>
<DD>Reads a 16 bit char.<DD><DL>
<DT><B>Specified by: </B><DD><CODE><A HREF="../../java/io/DataInput.html#readChar()">readChar</A></CODE> in interface <CODE><A HREF="../../java/io/DataInput.html">DataInput</A></CODE></DL>
</DD>
<DD><DL>
<DT><B>Returns:</B><DD>the 16 bit char read.<DT><B>Throws:</B><DD><CODE><A HREF="../../java/io/EOFException.html">EOFException</A></CODE> - If end of file is reached.<DD><CODE><A HREF="../../java/io/IOException.html">IOException</A></CODE> - If other I/O error has occurred.</DL>
</DD>
</DL>
<HR>

<A NAME="readInt()"><!-- --></A><H3>
readInt</H3>
<PRE>
public int <B>readInt</B>()
            throws <A HREF="../../java/io/IOException.html">IOException</A></PRE>
<DL>
<DD>Reads a 32 bit int.<DD><DL>
<DT><B>Specified by: </B><DD><CODE><A HREF="../../java/io/DataInput.html#readInt()">readInt</A></CODE> in interface <CODE><A HREF="../../java/io/DataInput.html">DataInput</A></CODE></DL>
</DD>
<DD><DL>
<DT><B>Returns:</B><DD>the 32 bit integer read.<DT><B>Throws:</B><DD><CODE><A HREF="../../java/io/EOFException.html">EOFException</A></CODE> - If end of file is reached.<DD><CODE><A HREF="../../java/io/IOException.html">IOException</A></CODE> - If other I/O error has occurred.</DL>
</DD>
</DL>
<HR>

<A NAME="readLong()"><!-- --></A><H3>
readLong</H3>
<PRE>
public long <B>readLong</B>()
              throws <A HREF="../../java/io/IOException.html">IOException</A></PRE>
<DL>
<DD>Reads a 64 bit long.<DD><DL>
<DT><B>Specified by: </B><DD><CODE><A HREF="../../java/io/DataInput.html#readLong()">readLong</A></CODE> in interface <CODE><A HREF="../../java/io/DataInput.html">DataInput</A></CODE></DL>
</DD>
<DD><DL>
<DT><B>Returns:</B><DD>the read 64 bit long.<DT><B>Throws:</B><DD><CODE><A HREF="../../java/io/EOFException.html">EOFException</A></CODE> - If end of file is reached.<DD><CODE><A HREF="../../java/io/IOException.html">IOException</A></CODE> - If other I/O error has occurred.</DL>
</DD>
</DL>
<HR>

<A NAME="readFloat()"><!-- --></A><H3>
readFloat</H3>
<PRE>
public float <B>readFloat</B>()
                throws <A HREF="../../java/io/IOException.html">IOException</A></PRE>
<DL>
<DD>Reads a 32 bit float.<DD><DL>
<DT><B>Specified by: </B><DD><CODE><A HREF="../../java/io/DataInput.html#readFloat()">readFloat</A></CODE> in interface <CODE><A HREF="../../java/io/DataInput.html">DataInput</A></CODE></DL>
</DD>
<DD><DL>
<DT><B>Returns:</B><DD>the 32 bit float read.<DT><B>Throws:</B><DD><CODE><A HREF="../../java/io/EOFException.html">EOFException</A></CODE> - If end of file is reached.<DD><CODE><A HREF="../../java/io/IOException.html">IOException</A></CODE> - If other I/O error has occurred.</DL>
</DD>
</DL>
<HR>

<A NAME="readDouble()"><!-- --></A><H3>
readDouble</H3>
<PRE>
public double <B>readDouble</B>()
                  throws <A HREF="../../java/io/IOException.html">IOException</A></PRE>
<DL>
<DD>Reads a 64 bit double.<DD><DL>
<DT><B>Specified by: </B><DD><CODE><A HREF="../../java/io/DataInput.html#readDouble()">readDouble</A></CODE> in interface <CODE><A HREF="../../java/io/DataInput.html">DataInput</A></CODE></DL>
</DD>
<DD><DL>
<DT><B>Returns:</B><DD>the 64 bit double read.<DT><B>Throws:</B><DD><CODE><A HREF="../../java/io/EOFException.html">EOFException</A></CODE> - If end of file is reached.<DD><CODE><A HREF="../../java/io/IOException.html">IOException</A></CODE> - If other I/O error has occurred.</DL>
</DD>
</DL>
<HR>

<A NAME="readFully(byte[])"><!-- --></A><H3>
readFully</H3>
<PRE>
public void <B>readFully</B>(byte[]&nbsp;data)
               throws <A HREF="../../java/io/IOException.html">IOException</A></PRE>
<DL>
<DD>Reads bytes, blocking until all bytes are read.<DD><DL>
<DT><B>Specified by: </B><DD><CODE><A HREF="../../java/io/DataInput.html#readFully(byte[])">readFully</A></CODE> in interface <CODE><A HREF="../../java/io/DataInput.html">DataInput</A></CODE></DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>data</CODE> - the buffer into which the data is read<DT><B>Throws:</B><DD><CODE><A HREF="../../java/io/EOFException.html">EOFException</A></CODE> - If end of file is reached.<DD><CODE><A HREF="../../java/io/IOException.html">IOException</A></CODE> - If other I/O error has occurred.</DL>
</DD>
</DL>
<HR>

<A NAME="readFully(byte[], int, int)"><!-- --></A><H3>
readFully</H3>
<PRE>
public void <B>readFully</B>(byte[]&nbsp;data,
                      int&nbsp;offset,
                      int&nbsp;size)
               throws <A HREF="../../java/io/IOException.html">IOException</A></PRE>
<DL>
<DD>Reads bytes, blocking until all bytes are read.<DD><DL>
<DT><B>Specified by: </B><DD><CODE><A HREF="../../java/io/DataInput.html#readFully(byte[], int, int)">readFully</A></CODE> in interface <CODE><A HREF="../../java/io/DataInput.html">DataInput</A></CODE></DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>data</CODE> - the buffer into which the data is read<DD><CODE>offset</CODE> - the start offset of the data<DD><CODE>size</CODE> - the maximum number of bytes to read<DT><B>Throws:</B><DD><CODE><A HREF="../../java/io/EOFException.html">EOFException</A></CODE> - If end of file is reached.<DD><CODE><A HREF="../../java/io/IOException.html">IOException</A></CODE> - If other I/O error has occurred.</DL>
</DD>
</DL>
<HR>

<A NAME="skipBytes(int)"><!-- --></A><H3>
skipBytes</H3>
<PRE>
public int <B>skipBytes</B>(int&nbsp;len)
              throws <A HREF="../../java/io/IOException.html">IOException</A></PRE>
<DL>
<DD>Skips bytes, block until all bytes are skipped.<DD><DL>
<DT><B>Specified by: </B><DD><CODE><A HREF="../../java/io/DataInput.html#skipBytes(int)">skipBytes</A></CODE> in interface <CODE><A HREF="../../java/io/DataInput.html">DataInput</A></CODE></DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>len</CODE> - the number of bytes to be skipped<DT><B>Returns:</B><DD>the actual number of bytes skipped.<DT><B>Throws:</B><DD><CODE><A HREF="../../java/io/EOFException.html">EOFException</A></CODE> - If end of file is reached.<DD><CODE><A HREF="../../java/io/IOException.html">IOException</A></CODE> - If other I/O error has occurred.</DL>
</DD>
</DL>
<HR>

<A NAME="readLine()"><!-- --></A><H3>
readLine</H3>
<PRE>
public <A HREF="../../java/lang/String.html">String</A> <B>readLine</B>()
                throws <A HREF="../../java/io/IOException.html">IOException</A></PRE>
<DL>
<DD><B>Deprecated.</B>&nbsp;<I>This method does not properly convert bytes to characters.
 see DataInputStream for the details and alternatives.</I>
<P>
<DD>Reads in a line that has been terminated by a \n, \r, \r\n or EOF.<DD><DL>
<DT><B>Specified by: </B><DD><CODE><A HREF="../../java/io/DataInput.html#readLine()">readLine</A></CODE> in interf