org.apache.hadoop.util
Class ServletUtil

java.lang.Object
  org.apache.hadoop.util.ServletUtil

public class ServletUtil
extends Object

Field Summary

static String

HTML_TAIL

Constructor Summary

ServletUtil()

Method Summary

static String	getParameter(javax.servlet.ServletRequest request, String name) Get a parameter from a ServletRequest.
static String	htmlFooter() HTML footer to be added in the jsps.
static PrintWriter	initHTML(javax.servlet.ServletResponse response, String title) Initial HTML header
static String	percentageGraph(float perc, int width) Generate the percentage graph and returns HTML representation string of the same.
static String	percentageGraph(int perc, int width) Generate the percentage graph and returns HTML representation string of the same.

Methods inherited from class java.lang.Object

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

Field Detail

HTML_TAIL

public static final String HTML_TAIL

Constructor Detail

ServletUtil

public ServletUtil()

Method Detail

initHTML

public static PrintWriter initHTML(javax.servlet.ServletResponse response,
                                   String title)
                            throws IOException

Initial HTML header

Throws:

IOException

getParameter

public static String getParameter(javax.servlet.ServletRequest request,
                                  String name)

Get a parameter from a ServletRequest. Return null if the parameter contains only white spaces.

htmlFooter

public static String htmlFooter()

HTML footer to be added in the jsps.

Returns:

the HTML footer.

percentageGraph

public static String percentageGraph(int perc,
                                     int width)
                              throws IOException

Generate the percentage graph and returns HTML representation string of the same.

Parameters:

perc - The percentage value for which graph is to be generated

width - The width of the display table

Returns:

HTML String representation of the percentage graph

Throws:

IOException

percentageGraph

public static String percentageGraph(float perc,
                                     int width)
                              throws IOException

Generate the percentage graph and returns HTML representation string of the same.

Parameters:

perc - The percentage value for which graph is to be generated

width - The width of the display table

Returns:

HTML String representation of the percentage graph

Throws:

IOException