Package org.apache.hadoop.hbase.http.conf

Class ConfServlet

java.lang.Object

javax.servlet.GenericServlet

javax.servlet.http.HttpServlet

org.apache.hadoop.hbase.http.conf.ConfServlet

All Implemented Interfaces:

Serializable, javax.servlet.Servlet, javax.servlet.ServletConfig

@LimitedPrivate("HBase")
@Unstable
public class ConfServlet
extends javax.servlet.http.HttpServlet

A servlet to print out the running configuration data.

See Also:

• Serialized Form

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	ConfServlet.BadFormatException

Field Summary

Fields

Modifier and Type	Field	Description
private static final String	FORMAT_JSON
private static final String	FORMAT_PARAM
private static final String	FORMAT_XML
private static final List<String>	MASK_PROPERTIES
(package private) static final String	MASKED
private static final long	serialVersionUID

Constructor Summary

Constructors

Constructor	Description
ConfServlet()

Method Summary

Modifier and Type	Method	Description
void	doGet(javax.servlet.http.HttpServletRequest request, javax.servlet.http.HttpServletResponse response)
private org.apache.hadoop.conf.Configuration	getConfFromContext()	Return the Configuration of the daemon hosting this servlet.
(package private) static org.apache.hadoop.conf.Configuration	mask(org.apache.hadoop.conf.Configuration conf)
(package private) static void	writeResponse(org.apache.hadoop.conf.Configuration conf, Writer out, String format)	Guts of the servlet - extracted for easy testing.

Methods inherited from class javax.servlet.http.HttpServlet

doDelete, doHead, doOptions, doPost, doPut, doTrace, getLastModified, service, service

Methods inherited from class javax.servlet.GenericServlet

destroy, getInitParameter, getInitParameterNames, getServletConfig, getServletContext, getServletInfo, getServletName, init, init, log, log

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Details

serialVersionUID

private static final long serialVersionUID

See Also:

• Constant Field Values

FORMAT_JSON

private static final String FORMAT_JSON

See Also:

• Constant Field Values

FORMAT_XML

private static final String FORMAT_XML

See Also:

• Constant Field Values

FORMAT_PARAM

private static final String FORMAT_PARAM

See Also:

• Constant Field Values

MASK_PROPERTIES

private static final List<String> MASK_PROPERTIES

MASKED

static final String MASKED

See Also:

• Constant Field Values

Constructor Details

ConfServlet

public ConfServlet()

Method Details

getConfFromContext

private org.apache.hadoop.conf.Configuration getConfFromContext()

Return the Configuration of the daemon hosting this servlet. This is populated when the HttpServer starts.

doGet

public void doGet(javax.servlet.http.HttpServletRequest request,
 javax.servlet.http.HttpServletResponse response)
           throws javax.servlet.ServletException,
IOException

Overrides:

doGet in class javax.servlet.http.HttpServlet

Throws:

javax.servlet.ServletException

IOException

writeResponse

static void writeResponse(org.apache.hadoop.conf.Configuration conf,
 Writer out,
 String format)
                   throws IOException,
ConfServlet.BadFormatException

Guts of the servlet - extracted for easy testing.

Throws:

IOException

ConfServlet.BadFormatException

mask

static org.apache.hadoop.conf.Configuration mask(org.apache.hadoop.conf.Configuration conf)