de.lmu.ifi.dbs.elki.application.jsmap
Class JSONWebServer

java.lang.Object
  de.lmu.ifi.dbs.elki.application.jsmap.JSONWebServer

All Implemented Interfaces:

com.sun.net.httpserver.HttpHandler

public class JSONWebServer
extends Object
implements com.sun.net.httpserver.HttpHandler

A simple web server to serve data base contents to a JavaScript client.

Field Summary

private Database	db The database we use for obtaining object bundles
protected static Logging	logger Our logger
static String	PATH_JSON The base path we serve data from
private HierarchicalResult	result The result tree we serve
private com.sun.net.httpserver.HttpServer	server Server instance

Constructor Summary

JSONWebServer(int port, HierarchicalResult result)
Constructor.

Method Summary

protected void	bundleToJSON(JSONBuffer re, DBID id) Serialize an object bundle to JSON.
void	handle(com.sun.net.httpserver.HttpExchange exchange)
private void	outlierMetaToJSON(JSONBuffer re, OutlierScoreMeta meta) Serialize outlier metadata as JSON.
protected void	resultToJSON(JSONBuffer re, String name) Serialize an arbitrary result into JSON.
void	stop() Stop the web server.
private DBID	stringToDBID(String query) Parse a string into a DBID.

Methods inherited from class java.lang.Object

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

Field Detail

logger

protected static final Logging logger

Our logger

PATH_JSON

public static final String PATH_JSON

The base path we serve data from

See Also:

Constant Field Values

server

private com.sun.net.httpserver.HttpServer server

Server instance

result

private HierarchicalResult result

The result tree we serve

db

private Database db

The database we use for obtaining object bundles

Constructor Detail

JSONWebServer

public JSONWebServer(int port,
                     HierarchicalResult result)

Constructor.

Parameters:

port - Port to listen on

result - Result to serve

Method Detail

stop

public void stop()

Stop the web server.

stringToDBID

private DBID stringToDBID(String query)

Parse a string into a DBID.

Parameters:

query - Query string

Returns:

DBID

bundleToJSON

protected void bundleToJSON(JSONBuffer re,
                            DBID id)

Serialize an object bundle to JSON.

Parameters:

re - Buffer to serialize to

id - Object ID

resultToJSON

protected void resultToJSON(JSONBuffer re,
                            String name)

Serialize an arbitrary result into JSON.

Parameters:

re - Buffer to serialize to

name - Result requested

outlierMetaToJSON

private void outlierMetaToJSON(JSONBuffer re,
                               OutlierScoreMeta meta)

Serialize outlier metadata as JSON.

Parameters:

re - Output buffer

meta - Metadata

handle

public void handle(com.sun.net.httpserver.HttpExchange exchange)
            throws IOException

Specified by:

handle in interface com.sun.net.httpserver.HttpHandler

Throws:

IOException