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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"><!--NewPage--><HTML><HEAD><!-- Generated by javadoc (build 1.6.0_02) on Wed Sep 05 17:57:30 CEST 2007 --><META http-equiv="Content-Type" content="text/html; charset=ISO-8859-1"><TITLE>AstUtil (Asterisk-Java 0.3.1 API)</TITLE><META NAME="date" CONTENT="2007-09-05"><LINK REL ="stylesheet" TYPE="text/css" HREF="../../../stylesheet.css" TITLE="Style"><SCRIPT type="text/javascript">function windowTitle(){ if (location.href.indexOf('is-external=true') == -1) { parent.document.title="AstUtil (Asterisk-Java 0.3.1 API)"; }}</SCRIPT><NOSCRIPT></NOSCRIPT></HEAD><BODY BGCOLOR="white" onload="windowTitle();"><HR><!-- ========= START OF TOP NAVBAR ======= --><A NAME="navbar_top"><!-- --></A><A HREF="#skip-navbar_top" title="Skip navigation links"></A><TABLE BORDER="0" WIDTH="100%" CELLPADDING="1" CELLSPACING="0" SUMMARY=""><TR><TD COLSPAN=2 BGCOLOR="#EEEEFF" CLASS="NavBarCell1"><A NAME="navbar_top_firstrow"><!-- --></A><TABLE BORDER="0" CELLPADDING="0" CELLSPACING="3" SUMMARY=""> <TR ALIGN="center" VALIGN="top"> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../overview-summary.html"><FONT CLASS="NavBarFont1"><B>Overview</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="package-summary.html"><FONT CLASS="NavBarFont1"><B>Package</B></FONT></A> </TD> <TD BGCOLOR="#FFFFFF" CLASS="NavBarCell1Rev"> <FONT CLASS="NavBarFont1Rev"><B>Class</B></FONT> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="class-use/AstUtil.html"><FONT CLASS="NavBarFont1"><B>Use</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="package-tree.html"><FONT CLASS="NavBarFont1"><B>Tree</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../deprecated-list.html"><FONT CLASS="NavBarFont1"><B>Deprecated</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../index-all.html"><FONT CLASS="NavBarFont1"><B>Index</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../help-doc.html"><FONT CLASS="NavBarFont1"><B>Help</B></FONT></A> </TD> </TR></TABLE></TD><TD ALIGN="right" VALIGN="top" ROWSPAN=3><EM>Asterisk-Java</EM></TD></TR><TR><TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2"> PREV CLASS <A HREF="../../../org/asteriskjava/util/DaemonThreadFactory.html" title="class in org.asteriskjava.util"><B>NEXT CLASS</B></A></FONT></TD><TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2"> <A HREF="../../../index.html?org/asteriskjava/util/AstUtil.html" target="_top"><B>FRAMES</B></A> <A HREF="AstUtil.html" target="_top"><B>NO FRAMES</B></A> <SCRIPT type="text/javascript"> <!-- if(window==top) { document.writeln('<A HREF="../../../allclasses-noframe.html"><B>All Classes</B></A>'); } //--></SCRIPT><NOSCRIPT> <A HREF="../../../allclasses-noframe.html"><B>All Classes</B></A></NOSCRIPT></FONT></TD></TR><TR><TD VALIGN="top" CLASS="NavBarCell3"><FONT SIZE="-2"> SUMMARY: NESTED | FIELD | CONSTR | <A HREF="#method_summary">METHOD</A></FONT></TD><TD VALIGN="top" CLASS="NavBarCell3"><FONT SIZE="-2">DETAIL: FIELD | CONSTR | <A HREF="#method_detail">METHOD</A></FONT></TD></TR></TABLE><A NAME="skip-navbar_top"></A><!-- ========= END OF TOP NAVBAR ========= --><HR><!-- ======== START OF CLASS DATA ======== --><H2><FONT SIZE="-1">org.asteriskjava.util</FONT><BR>Class AstUtil</H2><PRE>java.lang.Object <IMG SRC="../../../resources/inherit.gif" ALT="extended by "><B>org.asteriskjava.util.AstUtil</B></PRE><HR><DL><DT><PRE>public class <B>AstUtil</B><DT>extends java.lang.Object</DL></PRE><P>Some static utility methods to imitate Asterisk specific logic. <p> See Asterisk's <code>util.c</code>. <p> Client code is not supposed to use this class.<P><P><DL><DT><B>Version:</B></DT> <DD>$Id: AstUtil.java 510 2006-07-24 10:39:40Z srt $</DD><DT><B>Author:</B></DT> <DD>srt</DD></DL><HR><P><!-- ========== METHOD SUMMARY =========== --><A NAME="method_summary"><!-- --></A><TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""><TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"><TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2"><B>Method Summary</B></FONT></TH></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>static boolean</CODE></FONT></TD><TD><CODE><B><A HREF="../../../org/asteriskjava/util/AstUtil.html#isNull(java.lang.String)">isNull</A></B>(java.lang.String s)</CODE><BR> Checks if the value of s was <code>null</code> in Asterisk.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>static boolean</CODE></FONT></TD><TD><CODE><B><A HREF="../../../org/asteriskjava/util/AstUtil.html#isTrue(java.lang.String)">isTrue</A></B>(java.lang.String s)</CODE><BR> Checks if a String represents <code>true</code> or <code>false</code> according to Asterisk's logic.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>static java.lang.String[]</CODE></FONT></TD><TD><CODE><B><A HREF="../../../org/asteriskjava/util/AstUtil.html#parseCallerId(java.lang.String)">parseCallerId</A></B>(java.lang.String s)</CODE><BR> Parses a string for caller id information.</TD></TR></TABLE> <A NAME="methods_inherited_from_class_java.lang.Object"><!-- --></A><TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""><TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor"><TH ALIGN="left"><B>Methods inherited from class java.lang.Object</B></TH></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD><CODE>clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait</CODE></TD></TR></TABLE> <P><!-- ============ METHOD DETAIL ========== --><A NAME="method_detail"><!-- --></A><TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""><TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"><TH ALIGN="left" COLSPAN="1"><FONT SIZE="+2"><B>Method Detail</B></FONT></TH></TR></TABLE><A NAME="isTrue(java.lang.String)"><!-- --></A><H3>isTrue</H3><PRE>public static boolean <B>isTrue</B>(java.lang.String s)</PRE><DL><DD>Checks if a String represents <code>true</code> or <code>false</code> according to Asterisk's logic. <p> The original implementation is <code>util.c</code> is as follows: <pre> int ast_true(const char *s) { if (!s || ast_strlen_zero(s)) return 0; if (!strcasecmp(s, "yes") || !strcasecmp(s, "true") || !strcasecmp(s, "y") || !strcasecmp(s, "t") || !strcasecmp(s, "1") || !strcasecmp(s, "on")) return -1; return 0; } </pre> To support the dnd property of <A HREF="../../../org/asteriskjava/manager/event/ZapShowChannelsEvent.html" title="class in org.asteriskjava.manager.event"><CODE>ZapShowChannelsEvent</CODE></A> this method also consideres the string "Enabled" as true.<P><DD><DL><DT><B>Parameters:</B><DD><CODE>s</CODE> - the String to check for <code>true</code>.<DT><B>Returns:</B><DD><code>true</code> if s represents <code>true</code>, <code>false</code> otherwise.</DL></DD></DL><HR><A NAME="parseCallerId(java.lang.String)"><!-- --></A><H3>parseCallerId</H3><PRE>public static java.lang.String[] <B>parseCallerId</B>(java.lang.String s)</PRE><DL><DD>Parses a string for caller id information. <p> The caller id string should be in the form <code>"Some Name" <1234></code>. <p> This resembles <code>ast_callerid_parse</code> in <code>callerid.c</code> but strips any whitespace.<P><DD><DL><DT><B>Parameters:</B><DD><CODE>s</CODE> - the string to parse<DT><B>Returns:</B><DD>a String[] with name (index 0) and number (index 1)</DL></DD></DL><HR><A NAME="isNull(java.lang.String)"><!-- --></A><H3>isNull</H3><PRE>public static boolean <B>isNull</B>(java.lang.String s)</PRE><DL><DD>Checks if the value of s was <code>null</code> in Asterisk. <p> This method is useful as Asterisk likes to replace <code>null</code> values with different string values like "unknown", "<unknown>" or "<null>". <p> To find such replacements search for <code>S_OR</code> in Asterisk's source code. You will find things like <pre> S_OR(chan->cid.cid_num, "<unknown>") fdprintf(fd, "agi_callerid: %s\n", S_OR(chan->cid.cid_num, "unknown")); </pre> and more...<P><DD><DL><DT><B>Parameters:</B><DD><CODE>s</CODE> - the string to test, may be <code>null</code>.<DT><B>Returns:</B><DD><code>true</code> if the s was <code>null</code> in Asterisk; <code>false</code> otherwise.</DL></DD></DL><!-- ========= END OF CLASS DATA ========= --><HR><!-- ======= START OF BOTTOM NAVBAR ====== --><A NAME="navbar_bottom"><!-- --></A><A HREF="#skip-navbar_bottom" title="Skip navigation links"></A><TABLE BORDER="0" WIDTH="100%" CELLPADDING="1" CELLSPACING="0" SUMMARY=""><TR><TD COLSPAN=2 BGCOLOR="#EEEEFF" CLASS="NavBarCell1"><A NAME="navbar_bottom_firstrow"><!-- --></A><TABLE BORDER="0" CELLPADDING="0" CELLSPACING="3" SUMMARY=""> <TR ALIGN="center" VALIGN="top"> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../overview-summary.html"><FONT CLASS="NavBarFont1"><B>Overview</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="package-summary.html"><FONT CLASS="NavBarFont1"><B>Package</B></FONT></A> </TD> <TD BGCOLOR="#FFFFFF" CLASS="NavBarCell1Rev"> <FONT CLASS="NavBarFont1Rev"><B>Class</B></FONT> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="class-use/AstUtil.html"><FONT CLASS="NavBarFont1"><B>Use</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="package-tree.html"><FONT CLASS="NavBarFont1"><B>Tree</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../deprecated-list.html"><FONT CLASS="NavBarFont1"><B>Deprecated</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../index-all.html"><FONT CLASS="NavBarFont1"><B>Index</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../help-doc.html"><FONT CLASS="NavBarFont1"><B>Help</B></FONT></A> </TD> </TR></TABLE></TD><TD ALIGN="right" VALIGN="top" ROWSPAN=3><EM>Asterisk-Java</EM></TD></TR><TR><TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2"> PREV CLASS <A HREF="../../../org/asteriskjava/util/DaemonThreadFactory.html" title="class in org.asteriskjava.util"><B>NEXT CLASS</B></A></FONT></TD><TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2"> <A HREF="../../../index.html?org/asteriskjava/util/AstUtil.html" target="_top"><B>FRAMES</B></A> <A HREF="AstUtil.html" target="_top"><B>NO FRAMES</B></A> <SCRIPT type="text/javascript"> <!-- if(window==top) { document.writeln('<A HREF="../../../allclasses-noframe.html"><B>All Classes</B></A>'); } //--></SCRIPT><NOSCRIPT> <A HREF="../../../allclasses-noframe.html"><B>All Classes</B></A></NOSCRIPT></FONT></TD></TR><TR><TD VALIGN="top" CLASS="NavBarCell3"><FONT SIZE="-2"> SUMMARY: NESTED | FIELD | CONSTR | <A HREF="#method_summary">METHOD</A></FONT></TD><TD VALIGN="top" CLASS="NavBarCell3"><FONT SIZE="-2">DETAIL: FIELD | CONSTR | <A HREF="#method_detail">METHOD</A></FONT></TD></TR></TABLE><A NAME="skip-navbar_bottom"></A><!-- ======== END OF BOTTOM NAVBAR ======= --><HR>Copyright © 2004-2007 Stefan Reuter. 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