availableportfinder.html

MINA+API 关于MINA的API

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<A NAME="MIN_PORT_NUMBER"><!-- --></A><H3>
MIN_PORT_NUMBER</H3>
<PRE>
public static final int <B>MIN_PORT_NUMBER</B></PRE>
<DL>
<DD>The minimum number of server port number.
<P>
<DL>
<DT><B>See Also:</B><DD><A HREF="../../../../constant-values.html#org.apache.mina.util.AvailablePortFinder.MIN_PORT_NUMBER">Constant Field Values</A></DL>
</DL>
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<A NAME="MAX_PORT_NUMBER"><!-- --></A><H3>
MAX_PORT_NUMBER</H3>
<PRE>
public static final int <B>MAX_PORT_NUMBER</B></PRE>
<DL>
<DD>The maximum number of server port number.
<P>
<DL>
<DT><B>See Also:</B><DD><A HREF="../../../../constant-values.html#org.apache.mina.util.AvailablePortFinder.MAX_PORT_NUMBER">Constant Field Values</A></DL>
</DL>

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<A NAME="getAvailablePorts()"><!-- --></A><H3>
getAvailablePorts</H3>
<PRE>
public static <A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/util/Set.html?is-external=true" title="class or interface in java.util">Set</A>&lt;<A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/lang/Integer.html?is-external=true" title="class or interface in java.lang">Integer</A>&gt; <B>getAvailablePorts</B>()</PRE>
<DL>
<DD>Returns the <A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/util/Set.html?is-external=true" title="class or interface in java.util"><CODE>Set</CODE></A> of currently available port numbers
 (<A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/lang/Integer.html?is-external=true" title="class or interface in java.lang"><CODE>Integer</CODE></A>).  This method is identical to
 <code>getAvailablePorts(MIN_PORT_NUMBER, MAX_PORT_NUMBER)</code>.

 WARNING: this can take a very long time.
<P>
<DD><DL>
</DL>
</DD>
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<A NAME="getNextAvailable()"><!-- --></A><H3>
getNextAvailable</H3>
<PRE>
public static int <B>getNextAvailable</B>()</PRE>
<DL>
<DD>Gets the next available port starting at the lowest port number.
<P>
<DD><DL>

<DT><B>Throws:</B>
<DD><CODE><A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/util/NoSuchElementException.html?is-external=true" title="class or interface in java.util">NoSuchElementException</A></CODE> - if there are no ports available</DL>
</DD>
</DL>
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<A NAME="getNextAvailable(int)"><!-- --></A><H3>
getNextAvailable</H3>
<PRE>
public static int <B>getNextAvailable</B>(int&nbsp;fromPort)</PRE>
<DL>
<DD>Gets the next available port starting at a port.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>fromPort</CODE> - the port to scan for availability
<DT><B>Throws:</B>
<DD><CODE><A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/util/NoSuchElementException.html?is-external=true" title="class or interface in java.util">NoSuchElementException</A></CODE> - if there are no ports available</DL>
</DD>
</DL>
<HR>

<A NAME="available(int)"><!-- --></A><H3>
available</H3>
<PRE>
public static boolean <B>available</B>(int&nbsp;port)</PRE>
<DL>
<DD>Checks to see if a specific port is available.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>port</CODE> - the port to check for availability</DL>
</DD>
</DL>
<HR>

<A NAME="getAvailablePorts(int, int)"><!-- --></A><H3>
getAvailablePorts</H3>
<PRE>
public static <A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/util/Set.html?is-external=true" title="class or interface in java.util">Set</A>&lt;<A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/lang/Integer.html?is-external=true" title="class or interface in java.lang">Integer</A>&gt; <B>getAvailablePorts</B>(int&nbsp;fromPort,
                                             int&nbsp;toPort)</PRE>
<DL>
<DD>Returns the <A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/util/Set.html?is-external=true" title="class or interface in java.util"><CODE>Set</CODE></A> of currently avaliable port numbers (<A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/lang/Integer.html?is-external=true" title="class or interface in java.lang"><CODE>Integer</CODE></A>)
 between the specified port range.
<P>
<DD><DL>

<DT><B>Throws:</B>
<DD><CODE><A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/lang/IllegalArgumentException.html?is-external=true" title="class or interface in java.lang">IllegalArgumentException</A></CODE> - if port range is not between
 <A HREF="../../../../org/apache/mina/util/AvailablePortFinder.html#MIN_PORT_NUMBER"><CODE>MIN_PORT_NUMBER</CODE></A> and <A HREF="../../../../org/apache/mina/util/AvailablePortFinder.html#MAX_PORT_NUMBER"><CODE>MAX_PORT_NUMBER</CODE></A> or
 <code>fromPort</code> if greater than <code>toPort</code>.</DL>
</DD>
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