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| org.apache.shiro.jndi</FONT> |
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| Interface JndiCallback</H2> |
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| <DT><PRE>public interface <A HREF="../../../../src-html/org/apache/shiro/jndi/JndiCallback.html#line.41"><B>JndiCallback</B></A></DL> |
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| <P> |
| Callback interface to be implemented by classes that need to perform an |
| operation (such as a lookup) in a JNDI context. This callback approach |
| is valuable in simplifying error handling, which is performed by the |
| JndiTemplate class. This is a similar to JdbcTemplate's approach. |
| |
| <p>Note that there is hardly any need to implement this callback |
| interface, as JndiTemplate provides all usual JNDI operations via |
| convenience methods. |
| |
| <p>Note that this interface is an exact copy of the Spring Framework's identically named interface from |
| their 2.5.4 distribution - we didn't want to re-invent the wheel, but not require a full dependency on the |
| Spring framework, nor does Spring make available only its JNDI classes in a small jar, or we would have used that. |
| Since Shiro is also Apache 2.0 licensed, all regular licenses and conditions and authors have remained in tact. |
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| <DT><B>See Also:</B><DD><A HREF="../../../../org/apache/shiro/jndi/JndiTemplate.html" title="class in org.apache.shiro.jndi"><CODE>JndiTemplate</CODE></A></DL> |
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| <CODE> <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</A></CODE></FONT></TD> |
| <TD><CODE><B><A HREF="../../../../org/apache/shiro/jndi/JndiCallback.html#doInContext(javax.naming.Context)">doInContext</A></B>(<A HREF="http://java.sun.com/javase/6/docs/api/javax/naming/Context.html?is-external=true" title="class or interface in javax.naming">Context</A> ctx)</CODE> |
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| Do something with the given JNDI context.</TD> |
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| doInContext</H3> |
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| <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</A> <A HREF="../../../../src-html/org/apache/shiro/jndi/JndiCallback.html#line.52"><B>doInContext</B></A>(<A HREF="http://java.sun.com/javase/6/docs/api/javax/naming/Context.html?is-external=true" title="class or interface in javax.naming">Context</A> ctx) |
| throws <A HREF="http://java.sun.com/javase/6/docs/api/javax/naming/NamingException.html?is-external=true" title="class or interface in javax.naming">NamingException</A></PRE> |
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| <DD>Do something with the given JNDI context. |
| Implementations don't need to worry about error handling |
| or cleanup, as the JndiTemplate class will handle this. |
| <P> |
| <DD><DL> |
| <DT><B>Parameters:</B><DD><CODE>ctx</CODE> - the current JNDI context |
| <DT><B>Returns:</B><DD>a result object, or <code>null</code> |
| <DT><B>Throws:</B> |
| <DD><CODE><A HREF="http://java.sun.com/javase/6/docs/api/javax/naming/NamingException.html?is-external=true" title="class or interface in javax.naming">NamingException</A></CODE> - if thrown by JNDI methods</DL> |
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