ConfServlet (Apache HBase 1.2.12 API)

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
```
@InterfaceAudience.LimitedPrivate(value="HBase")
@InterfaceStability.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 and Description

static class ConfServlet.BadFormatException

Nested Classes
Modifier and Type	Class and Description
`static class`	`ConfServlet.BadFormatException`

Field Summary

Fields
Modifier and Type	Field and Description
`private static String`	`FORMAT_JSON`
`private static String`	`FORMAT_PARAM`
`private static String`	`FORMAT_XML`
`private static long`	`serialVersionUID`

Constructor Summary

Constructors
Constructor and Description

ConfServlet()

Constructors
Constructor and Description
`ConfServlet()`

Method Summary

Methods
Modifier and Type	Method and 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 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 Detail
- 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

Constructor Detail
- ConfServlet
```
public ConfServlet()
```

Method Detail

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

Class ConfServlet

Nested Class Summary

Field Summary

Constructor Summary

Method Summary

Methods inherited from class javax.servlet.http.HttpServlet

Methods inherited from class javax.servlet.GenericServlet

Methods inherited from class java.lang.Object

Field Detail

serialVersionUID

FORMAT_JSON

FORMAT_XML

FORMAT_PARAM

Constructor Detail

ConfServlet

Method Detail

getConfFromContext

doGet

writeResponse