1<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> 2<!--NewPage--> 3<HTML> 4<HEAD> 5<!-- Generated by javadoc (build 1.6.0_03) on Mon Apr 12 16:25:51 EDT 2010 --> 6<TITLE> 7ExceptionUnwrapper (Oracle - Berkeley DB Java API) 8</TITLE> 9 10<META NAME="date" CONTENT="2010-04-12"> 11 12<LINK REL ="stylesheet" TYPE="text/css" HREF="../../../style.css" TITLE="Style"> 13 14<SCRIPT type="text/javascript"> 15function windowTitle() 16{ 17 if (location.href.indexOf('is-external=true') == -1) { 18 parent.document.title="ExceptionUnwrapper (Oracle - Berkeley DB Java API)"; 19 } 20} 21</SCRIPT> 22<NOSCRIPT> 23</NOSCRIPT> 24 25</HEAD> 26 27<BODY BGCOLOR="white" onload="windowTitle();"> 28<HR> 29 30 31<!-- ========= START OF TOP NAVBAR ======= --> 32<A NAME="navbar_top"><!-- --></A> 33<A HREF="#skip-navbar_top" title="Skip navigation links"></A> 34<TABLE BORDER="0" WIDTH="100%" CELLPADDING="1" CELLSPACING="0" SUMMARY=""> 35<TR> 36<TD COLSPAN=2 BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> 37<A NAME="navbar_top_firstrow"><!-- --></A> 38<TABLE BORDER="0" CELLPADDING="0" CELLSPACING="3" SUMMARY=""> 39 <TR ALIGN="center" VALIGN="top"> 40 <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../overview-summary.html"><FONT CLASS="NavBarFont1"><B>Overview</B></FONT></A> </TD> 41 <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="package-summary.html"><FONT CLASS="NavBarFont1"><B>Package</B></FONT></A> </TD> 42 <TD BGCOLOR="#FFFFFF" CLASS="NavBarCell1Rev"> <FONT CLASS="NavBarFont1Rev"><B>Class</B></FONT> </TD> 43 <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="class-use/ExceptionUnwrapper.html"><FONT CLASS="NavBarFont1"><B>Use</B></FONT></A> </TD> 44 <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="package-tree.html"><FONT CLASS="NavBarFont1"><B>Tree</B></FONT></A> </TD> 45 <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../deprecated-list.html"><FONT CLASS="NavBarFont1"><B>Deprecated</B></FONT></A> </TD> 46 <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../index-all.html"><FONT CLASS="NavBarFont1"><B>Index</B></FONT></A> </TD> 47 <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../help-doc.html"><FONT CLASS="NavBarFont1"><B>Help</B></FONT></A> </TD> 48 </TR> 49</TABLE> 50</TD> 51<TD ALIGN="right" VALIGN="top" ROWSPAN=3><EM> 52<b>Berkeley DB</b><br><font size="-1"> version 4.8.30</font></EM> 53</TD> 54</TR> 55 56<TR> 57<TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2"> 58 <A HREF="../../../com/sleepycat/util/ErrorBuffer.html" title="class in com.sleepycat.util"><B>PREV CLASS</B></A> 59 <A HREF="../../../com/sleepycat/util/ExceptionWrapper.html" title="interface in com.sleepycat.util"><B>NEXT CLASS</B></A></FONT></TD> 60<TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2"> 61 <A HREF="../../../index.html?com/sleepycat/util/ExceptionUnwrapper.html" target="_top"><B>FRAMES</B></A> 62 <A HREF="ExceptionUnwrapper.html" target="_top"><B>NO FRAMES</B></A> 63 <SCRIPT type="text/javascript"> 64 <!-- 65 if(window==top) { 66 document.writeln('<A HREF="../../../allclasses-noframe.html"><B>All Classes</B></A>'); 67 } 68 //--> 69</SCRIPT> 70<NOSCRIPT> 71 <A HREF="../../../allclasses-noframe.html"><B>All Classes</B></A> 72</NOSCRIPT> 73 74 75</FONT></TD> 76</TR> 77<TR> 78<TD VALIGN="top" CLASS="NavBarCell3"><FONT SIZE="-2"> 79 SUMMARY: NESTED | FIELD | <A HREF="#constructor_summary">CONSTR</A> | <A HREF="#method_summary">METHOD</A></FONT></TD> 80<TD VALIGN="top" CLASS="NavBarCell3"><FONT SIZE="-2"> 81DETAIL: FIELD | <A HREF="#constructor_detail">CONSTR</A> | <A HREF="#method_detail">METHOD</A></FONT></TD> 82</TR> 83</TABLE> 84<A NAME="skip-navbar_top"></A> 85<!-- ========= END OF TOP NAVBAR ========= --> 86 87<HR> 88<!-- ======== START OF CLASS DATA ======== --> 89<H2> 90<FONT SIZE="-1"> 91com.sleepycat.util</FONT> 92<BR> 93Class ExceptionUnwrapper</H2> 94<PRE> 95<A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">java.lang.Object</A> 96 <IMG SRC="../../../resources/inherit.gif" ALT="extended by "><B>com.sleepycat.util.ExceptionUnwrapper</B> 97</PRE> 98<HR> 99<DL> 100<DT><PRE>public class <B>ExceptionUnwrapper</B><DT>extends <A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</A></DL> 101</PRE> 102 103<P> 104Unwraps nested exceptions by calling the <A HREF="../../../com/sleepycat/util/ExceptionWrapper.html#getCause()"><CODE>ExceptionWrapper.getCause()</CODE></A> method for exceptions that implement the 105 <A HREF="../../../com/sleepycat/util/ExceptionWrapper.html" title="interface in com.sleepycat.util"><CODE>ExceptionWrapper</CODE></A> interface. Does not currently support the Java 1.4 106 <code>Throwable.getCause()</code> method. 107<P> 108 109<P> 110<HR> 111 112<P> 113 114<!-- ======== CONSTRUCTOR SUMMARY ======== --> 115 116<A NAME="constructor_summary"><!-- --></A> 117<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""> 118<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"> 119<TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2"> 120<B>Constructor Summary</B></FONT></TH> 121</TR> 122<TR BGCOLOR="white" CLASS="TableRowColor"> 123<TD><CODE><B><A HREF="../../../com/sleepycat/util/ExceptionUnwrapper.html#ExceptionUnwrapper()">ExceptionUnwrapper</A></B>()</CODE> 124 125<BR> 126 </TD> 127</TR> 128</TABLE> 129 130<!-- ========== METHOD SUMMARY =========== --> 131 132<A NAME="method_summary"><!-- --></A> 133<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""> 134<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"> 135<TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2"> 136<B>Method Summary</B></FONT></TH> 137</TR> 138<TR BGCOLOR="white" CLASS="TableRowColor"> 139<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> 140<CODE>static <A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/lang/Exception.html?is-external=true" title="class or interface in java.lang">Exception</A></CODE></FONT></TD> 141<TD><CODE><B><A HREF="../../../com/sleepycat/util/ExceptionUnwrapper.html#unwrap(java.lang.Exception)">unwrap</A></B>(<A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/lang/Exception.html?is-external=true" title="class or interface in java.lang">Exception</A> e)</CODE> 142 143<BR> 144 Unwraps an Exception and returns the underlying Exception, or throws an 145 Error if the underlying Throwable is an Error.</TD> 146</TR> 147<TR BGCOLOR="white" CLASS="TableRowColor"> 148<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> 149<CODE>static <A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/lang/Throwable.html?is-external=true" title="class or interface in java.lang">Throwable</A></CODE></FONT></TD> 150<TD><CODE><B><A HREF="../../../com/sleepycat/util/ExceptionUnwrapper.html#unwrapAny(java.lang.Throwable)">unwrapAny</A></B>(<A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/lang/Throwable.html?is-external=true" title="class or interface in java.lang">Throwable</A> e)</CODE> 151 152<BR> 153 Unwraps an Exception and returns the underlying Throwable.</TD> 154</TR> 155</TABLE> 156 <A NAME="methods_inherited_from_class_java.lang.Object"><!-- --></A> 157<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""> 158<TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor"> 159<TH ALIGN="left"><B>Methods inherited from class java.lang.<A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</A></B></TH> 160</TR> 161<TR BGCOLOR="white" CLASS="TableRowColor"> 162<TD><CODE><A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/lang/Object.html?is-external=true#clone()" title="class or interface in java.lang">clone</A>, <A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/lang/Object.html?is-external=true#equals(java.lang.Object)" title="class or interface in java.lang">equals</A>, <A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/lang/Object.html?is-external=true#finalize()" title="class or interface in java.lang">finalize</A>, <A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/lang/Object.html?is-external=true#getClass()" title="class or interface in java.lang">getClass</A>, <A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/lang/Object.html?is-external=true#hashCode()" title="class or interface in java.lang">hashCode</A>, <A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/lang/Object.html?is-external=true#notify()" title="class or interface in java.lang">notify</A>, <A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/lang/Object.html?is-external=true#notifyAll()" title="class or interface in java.lang">notifyAll</A>, <A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/lang/Object.html?is-external=true#toString()" title="class or interface in java.lang">toString</A>, <A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/lang/Object.html?is-external=true#wait()" title="class or interface in java.lang">wait</A>, <A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/lang/Object.html?is-external=true#wait(long)" title="class or interface in java.lang">wait</A>, <A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/lang/Object.html?is-external=true#wait(long, int)" title="class or interface in java.lang">wait</A></CODE></TD> 163</TR> 164</TABLE> 165 166<P> 167 168<!-- ========= CONSTRUCTOR DETAIL ======== --> 169 170<A NAME="constructor_detail"><!-- --></A> 171<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""> 172<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"> 173<TH ALIGN="left" COLSPAN="1"><FONT SIZE="+2"> 174<B>Constructor Detail</B></FONT></TH> 175</TR> 176</TABLE> 177 178<A NAME="ExceptionUnwrapper()"><!-- --></A><H3> 179ExceptionUnwrapper</H3> 180<PRE> 181public <B>ExceptionUnwrapper</B>()</PRE> 182<DL> 183</DL> 184 185<!-- ============ METHOD DETAIL ========== --> 186 187<A NAME="method_detail"><!-- --></A> 188<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""> 189<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"> 190<TH ALIGN="left" COLSPAN="1"><FONT SIZE="+2"> 191<B>Method Detail</B></FONT></TH> 192</TR> 193</TABLE> 194 195<A NAME="unwrap(java.lang.Exception)"><!-- --></A><H3> 196unwrap</H3> 197<PRE> 198public static <A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/lang/Exception.html?is-external=true" title="class or interface in java.lang">Exception</A> <B>unwrap</B>(<A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/lang/Exception.html?is-external=true" title="class or interface in java.lang">Exception</A> e)</PRE> 199<DL> 200<DD>Unwraps an Exception and returns the underlying Exception, or throws an 201 Error if the underlying Throwable is an Error. 202<P> 203<DD><DL> 204<DT><B>Parameters:</B><DD><CODE>e</CODE> - is the Exception to unwrap. 205<DT><B>Returns:</B><DD>the underlying Exception. 206<DT><B>Throws:</B> 207<DD><CODE><A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/lang/Error.html?is-external=true" title="class or interface in java.lang">Error</A></CODE> - if the underlying Throwable is an Error. 208<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 the underlying Throwable is not an 209 Exception or an Error.</DL> 210</DD> 211</DL> 212<HR> 213 214<A NAME="unwrapAny(java.lang.Throwable)"><!-- --></A><H3> 215unwrapAny</H3> 216<PRE> 217public static <A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/lang/Throwable.html?is-external=true" title="class or interface in java.lang">Throwable</A> <B>unwrapAny</B>(<A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/lang/Throwable.html?is-external=true" title="class or interface in java.lang">Throwable</A> e)</PRE> 218<DL> 219<DD>Unwraps an Exception and returns the underlying Throwable. 220<P> 221<DD><DL> 222<DT><B>Parameters:</B><DD><CODE>e</CODE> - is the Exception to unwrap. 223<DT><B>Returns:</B><DD>the underlying Throwable.</DL> 224</DD> 225</DL> 226<!-- ========= END OF CLASS DATA ========= --> 227<HR> 228 229 230<!-- ======= START OF BOTTOM NAVBAR ====== --> 231<A NAME="navbar_bottom"><!-- --></A> 232<A HREF="#skip-navbar_bottom" title="Skip navigation links"></A> 233<TABLE BORDER="0" WIDTH="100%" CELLPADDING="1" CELLSPACING="0" SUMMARY=""> 234<TR> 235<TD COLSPAN=2 BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> 236<A NAME="navbar_bottom_firstrow"><!-- --></A> 237<TABLE BORDER="0" 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