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UtfOps (Oracle - Berkeley DB Java API)
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Class UtfOps</H2>
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<A HREF="http://download.oracle.com/javase/1.5.0/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">java.lang.Object</A>
<IMG SRC="../../../resources/inherit.gif" ALT="extended by "><B>com.sleepycat.util.UtfOps</B>
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<DL>
<DT><PRE>public class <B>UtfOps</B><DT>extends <A HREF="http://download.oracle.com/javase/1.5.0/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</A></DL>
</PRE>
<P>
UTF operations with more flexibility than is provided by DataInput and
DataOutput.
<P>
<P>
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<TD><CODE><B><A HREF="../../../com/sleepycat/util/UtfOps.html#UtfOps()">UtfOps</A></B>()</CODE>
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<CODE>static int</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../com/sleepycat/util/UtfOps.html#bytesToChars(byte[], int, char[], int, int, boolean)">bytesToChars</A></B>(byte[] bytes,
int byteOffset,
char[] chars,
int charOffset,
int len,
boolean isByteLen)</CODE>
<BR>
Converts byte arrays into character arrays.</TD>
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<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>static <A HREF="http://download.oracle.com/javase/1.5.0/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../com/sleepycat/util/UtfOps.html#bytesToString(byte[], int, int)">bytesToString</A></B>(byte[] bytes,
int offset,
int length)</CODE>
<BR>
Converts byte arrays into strings.</TD>
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<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>static void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../com/sleepycat/util/UtfOps.html#charsToBytes(char[], int, byte[], int, int)">charsToBytes</A></B>(char[] chars,
int charOffset,
byte[] bytes,
int byteOffset,
int charLength)</CODE>
<BR>
Converts character arrays into byte arrays.</TD>
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<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>static int</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../com/sleepycat/util/UtfOps.html#getByteLength(char[])">getByteLength</A></B>(char[] chars)</CODE>
<BR>
Returns the byte length of the UTF string that would be created by
converting the given characters to UTF.</TD>
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<TR BGCOLOR="white" CLASS="TableRowColor">
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<CODE>static int</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../com/sleepycat/util/UtfOps.html#getByteLength(char[], int, int)">getByteLength</A></B>(char[] chars,
int offset,
int length)</CODE>
<BR>
Returns the byte length of the UTF string that would be created by
converting the given characters to UTF.</TD>
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<CODE>static int</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../com/sleepycat/util/UtfOps.html#getCharLength(byte[])">getCharLength</A></B>(byte[] bytes)</CODE>
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Returns the number of characters represented by the given UTF string.</TD>
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<CODE>static int</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../com/sleepycat/util/UtfOps.html#getCharLength(byte[], int, int)">getCharLength</A></B>(byte[] bytes,
int offset,
int length)</CODE>
<BR>
Returns the number of characters represented by the given UTF string.</TD>
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<CODE>static int</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../com/sleepycat/util/UtfOps.html#getZeroTerminatedByteLength(byte[], int)">getZeroTerminatedByteLength</A></B>(byte[] bytes,
int offset)</CODE>
<BR>
Returns the byte length of a null terminated UTF string, not including
the terminator.</TD>
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<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>static byte[]</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../com/sleepycat/util/UtfOps.html#stringToBytes(java.lang.String)">stringToBytes</A></B>(<A HREF="http://download.oracle.com/javase/1.5.0/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A> string)</CODE>
<BR>
Converts strings to byte arrays.</TD>
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<B>Constructor Detail</B></FONT></TH>
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<A NAME="UtfOps()"><!-- --></A><H3>
UtfOps</H3>
<PRE>
public <B>UtfOps</B>()</PRE>
<DL>
</DL>
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<A NAME="getZeroTerminatedByteLength(byte[], int)"><!-- --></A><H3>
getZeroTerminatedByteLength</H3>
<PRE>
public static int <B>getZeroTerminatedByteLength</B>(byte[] bytes,
int offset)
throws <A HREF="http://download.oracle.com/javase/1.5.0/docs/api/java/lang/IndexOutOfBoundsException.html?is-external=true" title="class or interface in java.lang">IndexOutOfBoundsException</A></PRE>
<DL>
<DD>Returns the byte length of a null terminated UTF string, not including
the terminator.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>bytes</CODE> - the data containing the UTF string.<DD><CODE>offset</CODE> - the beginning of the string the measure.
<DT><B>Returns:</B><DD>the number of bytes.
<DT><B>Throws:</B>
<DD><CODE><A HREF="http://download.oracle.com/javase/1.5.0/docs/api/java/lang/IndexOutOfBoundsException.html?is-external=true" title="class or interface in java.lang">IndexOutOfBoundsException</A></CODE> - if no zero terminator is found.</DL>
</DD>
</DL>
<HR>
<A NAME="getByteLength(char[])"><!-- --></A><H3>
getByteLength</H3>
<PRE>
public static int <B>getByteLength</B>(char[] chars)</PRE>
<DL>
<DD>Returns the byte length of the UTF string that would be created by
converting the given characters to UTF.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>chars</CODE> - the characters that would be converted.
<DT><B>Returns:</B><DD>the byte length of the equivalent UTF data.</DL>
</DD>
</DL>
<HR>
<A NAME="getByteLength(char[], int, int)"><!-- --></A><H3>
getByteLength</H3>
<PRE>
public static int <B>getByteLength</B>(char[] chars,
int offset,
int length)</PRE>
<DL>
<DD>Returns the byte length of the UTF string that would be created by
converting the given characters to UTF.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>chars</CODE> - the characters that would be converted.<DD><CODE>offset</CODE> - the first character to be converted.<DD><CODE>length</CODE> - the number of characters to be converted.
<DT><B>Returns:</B><DD>the byte length of the equivalent UTF data.</DL>
</DD>
</DL>
<HR>
<A NAME="getCharLength(byte[])"><!-- --></A><H3>
getCharLength</H3>
<PRE>
public static int <B>getCharLength</B>(byte[] bytes)
throws <A HREF="http://download.oracle.com/javase/1.5.0/docs/api/java/lang/IllegalArgumentException.html?is-external=true" title="class or interface in java.lang">IllegalArgumentException</A>,
<A HREF="http://download.oracle.com/javase/1.5.0/docs/api/java/lang/IndexOutOfBoundsException.html?is-external=true" title="class or interface in java.lang">IndexOutOfBoundsException</A></PRE>
<DL>
<DD>Returns the number of characters represented by the given UTF string.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>bytes</CODE> - the UTF string.
<DT><B>Returns:</B><DD>the number of characters.
<DT><B>Throws:</B>
<DD><CODE><A HREF="http://download.oracle.com/javase/1.5.0/docs/api/java/lang/IndexOutOfBoundsException.html?is-external=true" title="class or interface in java.lang">IndexOutOfBoundsException</A></CODE> - if a UTF character sequence at the end
of the data is not complete.
<DD><CODE><A HREF="http://download.oracle.com/javase/1.5.0/docs/api/java/lang/IllegalArgumentException.html?is-external=true" title="class or interface in java.lang">IllegalArgumentException</A></CODE> - if an illegal UTF sequence is
encountered.</DL>
</DD>
</DL>
<HR>
<A NAME="getCharLength(byte[], int, int)"><!-- --></A><H3>
getCharLength</H3>
<PRE>
public static int <B>getCharLength</B>(byte[] bytes,
int offset,
int length)
throws <A HREF="http://download.oracle.com/javase/1.5.0/docs/api/java/lang/IllegalArgumentException.html?is-external=true" title="class or interface in java.lang">IllegalArgumentException</A>,
<A HREF="http://download.oracle.com/javase/1.5.0/docs/api/java/lang/IndexOutOfBoundsException.html?is-external=true" title="class or interface in java.lang">IndexOutOfBoundsException</A></PRE>
<DL>
<DD>Returns the number of characters represented by the given UTF string.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>bytes</CODE> - the data containing the UTF string.<DD><CODE>offset</CODE> - the first byte to be converted.<DD><CODE>length</CODE> - the number of byte to be converted.
<DT><B>Throws:</B>
<DD><CODE><A HREF="http://download.oracle.com/javase/1.5.0/docs/api/java/lang/IndexOutOfBoundsException.html?is-external=true" title="class or interface in java.lang">IndexOutOfBoundsException</A></CODE> - if a UTF character sequence at the end
of the data is not complete.
<DD><CODE><A HREF="http://download.oracle.com/javase/1.5.0/docs/api/java/lang/IllegalArgumentException.html?is-external=true" title="class or interface in java.lang">IllegalArgumentException</A></CODE> - if an illegal UTF sequence is
encountered.</DL>
</DD>
</DL>
<HR>
<A NAME="bytesToChars(byte[], int, char[], int, int, boolean)"><!-- --></A><H3>
bytesToChars</H3>
<PRE>
public static int <B>bytesToChars</B>(byte[] bytes,
int byteOffset,
char[] chars,
int charOffset,
int len,
boolean isByteLen)
throws <A HREF="http://download.oracle.com/javase/1.5.0/docs/api/java/lang/IllegalArgumentException.html?is-external=true" title="class or interface in java.lang">IllegalArgumentException</A>,
<A HREF="http://download.oracle.com/javase/1.5.0/docs/api/java/lang/IndexOutOfBoundsException.html?is-external=true" title="class or interface in java.lang">IndexOutOfBoundsException</A></PRE>
<DL>
<DD>Converts byte arrays into character arrays.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>bytes</CODE> - the source byte data to convert<DD><CODE>byteOffset</CODE> - the offset into the byte array at which
to start the conversion<DD><CODE>chars</CODE> - the destination array<DD><CODE>charOffset</CODE> - the offset into chars at which to begin the copy<DD><CODE>len</CODE> - the amount of information to copy into chars<DD><CODE>isByteLen</CODE> - if true then len is a measure of bytes, otherwise
len is a measure of characters
<DT><B>Throws:</B>
<DD><CODE><A HREF="http://download.oracle.com/javase/1.5.0/docs/api/java/lang/IndexOutOfBoundsException.html?is-external=true" title="class or interface in java.lang">IndexOutOfBoundsException</A></CODE> - if a UTF character sequence at the end
of the data is not complete.
<DD><CODE><A HREF="http://download.oracle.com/javase/1.5.0/docs/api/java/lang/IllegalArgumentException.html?is-external=true" title="class or interface in java.lang">IllegalArgumentException</A></CODE> - if an illegal UTF sequence is
encountered.</DL>
</DD>
</DL>
<HR>
<A NAME="charsToBytes(char[], int, byte[], int, int)"><!-- --></A><H3>
charsToBytes</H3>
<PRE>
public static void <B>charsToBytes</B>(char[] chars,
int charOffset,
byte[] bytes,
int byteOffset,
int charLength)</PRE>
<DL>
<DD>Converts character arrays into byte arrays.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>chars</CODE> - the source character data to convert<DD><CODE>charOffset</CODE> - the offset into the character array at which
to start the conversion<DD><CODE>bytes</CODE> - the destination array<DD><CODE>byteOffset</CODE> - the offset into bytes at which to begin the copy<DD><CODE>charLength</CODE> - the length of characters to copy into bytes</DL>
</DD>
</DL>
<HR>
<A NAME="bytesToString(byte[], int, int)"><!-- --></A><H3>
bytesToString</H3>
<PRE>
public static <A HREF="http://download.oracle.com/javase/1.5.0/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A> <B>bytesToString</B>(byte[] bytes,
int offset,
int length)
throws <A HREF="http://download.oracle.com/javase/1.5.0/docs/api/java/lang/IllegalArgumentException.html?is-external=true" title="class or interface in java.lang">IllegalArgumentException</A>,
<A HREF="http://download.oracle.com/javase/1.5.0/docs/api/java/lang/IndexOutOfBoundsException.html?is-external=true" title="class or interface in java.lang">IndexOutOfBoundsException</A></PRE>
<DL>
<DD>Converts byte arrays into strings.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>bytes</CODE> - the source byte data to convert<DD><CODE>offset</CODE> - the offset into the byte array at which
to start the conversion<DD><CODE>length</CODE> - the number of bytes to be converted.
<DT><B>Returns:</B><DD>the string.
<DT><B>Throws:</B>
<DD><CODE><A HREF="http://download.oracle.com/javase/1.5.0/docs/api/java/lang/IndexOutOfBoundsException.html?is-external=true" title="class or interface in java.lang">IndexOutOfBoundsException</A></CODE> - if a UTF character sequence at the end
of the data is not complete.
<DD><CODE><A HREF="http://download.oracle.com/javase/1.5.0/docs/api/java/lang/IllegalArgumentException.html?is-external=true" title="class or interface in java.lang">IllegalArgumentException</A></CODE> - if an illegal UTF sequence is
encountered.</DL>
</DD>
</DL>
<HR>
<A NAME="stringToBytes(java.lang.String)"><!-- --></A><H3>
stringToBytes</H3>
<PRE>
public static byte[] <B>stringToBytes</B>(<A HREF="http://download.oracle.com/javase/1.5.0/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A> string)</PRE>
<DL>
<DD>Converts strings to byte arrays.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>string</CODE> - the string to convert.
<DT><B>Returns:</B><DD>the UTF byte array.</DL>
</DD>
</DL>
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