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| <h2 title="Interface JndiCallback" class="title">Interface JndiCallback</h2> |
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| <pre>public interface <a href="../../../../src-html/org/apache/shiro/jndi/JndiCallback.html#line.41">JndiCallback</a></pre> |
| <div class="block">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.</div> |
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| <dt><span class="seeLabel">See Also:</span></dt> |
| <dd><a href="../../../../org/apache/shiro/jndi/JndiTemplate.html" title="class in org.apache.shiro.jndi"><code>JndiTemplate</code></a></dd> |
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| <td class="colFirst"><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></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/shiro/jndi/JndiCallback.html#doInContext-javax.naming.Context-">doInContext</a></span>(<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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| <h4>doInContext</h4> |
| <pre><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">doInContext</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> |
| <div class="block">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.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>ctx</code> - the current JNDI context</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>a result object, or <code>null</code></dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <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</dd> |
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