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| <pre>public interface <span class="typeNameLabel">FilterChain</span></pre> |
| <div class="block">A FilterChain is an object provided by the servlet container to the developer |
| giving a view into the invocation chain of a filtered request for a resource. Filters |
| use the FilterChain to invoke the next filter in the chain, or if the calling filter |
| is the last filter in the chain, to invoke the resource at the end of the chain.</div> |
| <dl> |
| <dt><span class="simpleTagLabel">Since:</span></dt> |
| <dd>Servlet 2.3</dd> |
| <dt><span class="seeLabel">See Also:</span></dt> |
| <dd><a href="../../javax/servlet/Filter.html" title="interface in javax.servlet"><code>Filter</code></a></dd> |
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| <td class="colFirst"><code>void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../javax/servlet/FilterChain.html#doFilter-javax.servlet.ServletRequest-javax.servlet.ServletResponse-">doFilter</a></span>(<a href="../../javax/servlet/ServletRequest.html" title="interface in javax.servlet">ServletRequest</a> request, |
| <a href="../../javax/servlet/ServletResponse.html" title="interface in javax.servlet">ServletResponse</a> response)</code> |
| <div class="block">Causes the next filter in the chain to be invoked, or if the calling filter is the last filter |
| in the chain, causes the resource at the end of the chain to be invoked.</div> |
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| <h4>doFilter</h4> |
| <pre>void doFilter(<a href="../../javax/servlet/ServletRequest.html" title="interface in javax.servlet">ServletRequest</a> request, |
| <a href="../../javax/servlet/ServletResponse.html" title="interface in javax.servlet">ServletResponse</a> response) |
| throws java.io.IOException, |
| <a href="../../javax/servlet/ServletException.html" title="class in javax.servlet">ServletException</a></pre> |
| <div class="block">Causes the next filter in the chain to be invoked, or if the calling filter is the last filter |
| in the chain, causes the resource at the end of the chain to be invoked.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>request</code> - the request to pass along the chain.</dd> |
| <dd><code>response</code> - the response to pass along the chain.</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code>java.io.IOException</code> - if an I/O related error has occurred during the processing</dd> |
| <dd><code><a href="../../javax/servlet/ServletException.html" title="class in javax.servlet">ServletException</a></code> - if an exception has occurred that interferes with the |
| filterChain's normal operation</dd> |
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