org.apache.hadoop.util
Class ServletUtil

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

public class ServletUtil
extends java.lang.Object


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

ServletUtil

public ServletUtil()
Method Detail

initHTML

public static java.io.PrintWriter initHTML(javax.servlet.ServletResponse response,
                                           java.lang.String title)
                                    throws java.io.IOException
Initial HTML header

Throws:
java.io.IOException

getParameter

public static java.lang.String getParameter(javax.servlet.ServletRequest request,
                                            java.lang.String name)
Get a parameter from a ServletRequest. Return null if the parameter contains only white spaces.


htmlFooter

public static java.lang.String htmlFooter()
HTML footer to be added in the jsps.

Returns:
the HTML footer.

percentageGraph

public static java.lang.String percentageGraph(int perc,
                                               int width)
                                        throws java.io.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:
java.io.IOException

percentageGraph

public static java.lang.String percentageGraph(float perc,
                                               int width)
                                        throws java.io.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:
java.io.IOException


Copyright © 2009 The Apache Software Foundation