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java.lang.Objectorg.apache.hadoop.lib.servlet.HostnameFilter
@InterfaceAudience.Private public class HostnameFilter
Filter that resolves the requester hostname.
| Constructor Summary | |
|---|---|
HostnameFilter()
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| Method Summary | |
|---|---|
void |
destroy()
Destroys the filter. |
void |
doFilter(javax.servlet.ServletRequest request,
javax.servlet.ServletResponse response,
javax.servlet.FilterChain chain)
Resolves the requester hostname and delegates the request to the chain. |
static String |
get()
Returns the requester hostname. |
void |
init(javax.servlet.FilterConfig config)
Initializes the filter. |
| Methods inherited from class java.lang.Object |
|---|
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
| Constructor Detail |
|---|
public HostnameFilter()
| Method Detail |
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public void init(javax.servlet.FilterConfig config)
throws javax.servlet.ServletException
init in interface javax.servlet.Filterconfig - filter configuration.
javax.servlet.ServletException - thrown if the filter could not be initialized.
public void doFilter(javax.servlet.ServletRequest request,
javax.servlet.ServletResponse response,
javax.servlet.FilterChain chain)
throws IOException,
javax.servlet.ServletException
get() method.
doFilter in interface javax.servlet.Filterrequest - servlet request.response - servlet response.chain - filter chain.
IOException - thrown if an IO error occurrs.
javax.servlet.ServletException - thrown if a servet error occurrs.public static String get()
public void destroy()
destroy in interface javax.servlet.Filter
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