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java.lang.Objectinfo.sswap.api.servlet.CacheHandler
public class CacheHandler
Handler for HTTP requests for the cache (e.g., polling for RRGs). The cache-related requests are forwarded to this class by AbstractSSWAPServlet
Field Summary | |
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static java.lang.String |
EXECUTION_STATUS_HEADER
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private static CacheHandler |
instance
A singleton instance of this class |
static java.lang.String |
POLLING_INTERVAL_HEADER
The name of the HTTP field in the response to the polling request that should contain the suggested polling interval (in milliseconds) |
static java.lang.String |
TOKEN_PARAM
The name of the parameter in the query string that should contain the token |
Constructor Summary | |
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CacheHandler()
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Method Summary | |
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static CacheHandler |
get()
Accessor to the singleton instance |
void |
handleGet(javax.servlet.http.HttpServletRequest request,
javax.servlet.http.HttpServletResponse response)
Handles an HTTP GET request for the cache |
private void |
sendError(javax.servlet.http.HttpServletResponse response,
int status,
java.lang.String errMsg)
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Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Field Detail |
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public static final java.lang.String TOKEN_PARAM
public static final java.lang.String POLLING_INTERVAL_HEADER
public static final java.lang.String EXECUTION_STATUS_HEADER
private static final CacheHandler instance
Constructor Detail |
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public CacheHandler()
Method Detail |
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public static final CacheHandler get()
public final void handleGet(javax.servlet.http.HttpServletRequest request, javax.servlet.http.HttpServletResponse response) throws javax.servlet.ServletException
request
- the requestresponse
- the response
javax.servlet.ServletException
private void sendError(javax.servlet.http.HttpServletResponse response, int status, java.lang.String errMsg) throws java.io.IOException
java.io.IOException
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