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java.lang.Objectjavax.servlet.GenericServlet
javax.servlet.http.HttpServlet
org.apache.hadoop.hdfs.server.namenode.FileChecksumServlets.GetServlet
@InterfaceAudience.Private public static class FileChecksumServlets.GetServlet
Get FileChecksum
Constructor Summary | |
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FileChecksumServlets.GetServlet()
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Method Summary | |
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protected ClientProtocol |
createNameNodeProxy()
Create a NameNode proxy from the current ServletContext . |
protected URI |
createRedirectUri(String servletpath,
org.apache.hadoop.security.UserGroupInformation ugi,
DatanodeID host,
javax.servlet.http.HttpServletRequest request,
NameNode nn)
Create a URI for redirecting request |
void |
doGet(javax.servlet.http.HttpServletRequest request,
javax.servlet.http.HttpServletResponse response)
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protected String |
getFilename(javax.servlet.http.HttpServletRequest request,
javax.servlet.http.HttpServletResponse response)
Get filename from the request |
protected org.apache.hadoop.security.UserGroupInformation |
getUGI(javax.servlet.http.HttpServletRequest request,
org.apache.hadoop.conf.Configuration conf)
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protected void |
writeXml(Exception except,
String path,
org.znerd.xmlenc.XMLOutputter doc)
Write the object to XML format |
Methods inherited from class javax.servlet.http.HttpServlet |
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doDelete, doHead, doOptions, doPost, doPut, doTrace, getLastModified, service, service |
Methods inherited from class javax.servlet.GenericServlet |
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destroy, getInitParameter, getInitParameterNames, getServletConfig, getServletContext, getServletInfo, getServletName, init, init, log, log |
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Constructor Detail |
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public FileChecksumServlets.GetServlet()
Method Detail |
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public void doGet(javax.servlet.http.HttpServletRequest request, javax.servlet.http.HttpServletResponse response) throws javax.servlet.ServletException, IOException
doGet
in class javax.servlet.http.HttpServlet
javax.servlet.ServletException
IOException
protected void writeXml(Exception except, String path, org.znerd.xmlenc.XMLOutputter doc) throws IOException
IOException
protected ClientProtocol createNameNodeProxy() throws IOException
NameNode
proxy from the current ServletContext
.
IOException
protected URI createRedirectUri(String servletpath, org.apache.hadoop.security.UserGroupInformation ugi, DatanodeID host, javax.servlet.http.HttpServletRequest request, NameNode nn) throws IOException, URISyntaxException
IOException
URISyntaxException
protected String getFilename(javax.servlet.http.HttpServletRequest request, javax.servlet.http.HttpServletResponse response) throws IOException
IOException
protected org.apache.hadoop.security.UserGroupInformation getUGI(javax.servlet.http.HttpServletRequest request, org.apache.hadoop.conf.Configuration conf) throws IOException
IOException
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