org.lateralnz.common.util
Class ServletUtils

java.lang.Object
  org.lateralnz.common.util.ServletUtils

All Implemented Interfaces:

Constants

public class ServletUtils
extends java.lang.Object
implements Constants

common utility functions used by servlets

Field Summary

static java.lang.String

XML_ATTRIBUTE

Fields inherited from interface org.lateralnz.common.util.Constants

AMPERSAND, AND, APPLICATION_X_WWW_FORM_URLENCODED, ASTERISK, AT, BACK_SLASH, CHAR_LEFT_CHEV, CHAR_RIGHT_CHEV, COLON, COMMA, DASH, DELETE, DOLLAR, DOT, DOT_CLASS, DOT_JAVA, EIGHT, EMPTY, EQUALS, FALSE, FILE_SEPARATOR, FIVE, FORWARD_SLASH, FOUR, FULLSTOP, HASH, HAT, INSERT, LEFT_BRACE, LEFT_BRACKET, LEFT_CHEV, MAX_LEN_APPCODE, MAX_LEN_APPGROUP, MAX_LEN_MSGCODE, MAX_LEN_MSGTEXT, MINUS_ONE, N, NEWLINE, NINE, NO, NULL_STRING, OFF, ON, ONE, ONE_DAY, ONE_HOUR, ONE_MINUTE, ONE_WEEK, PATH_SEPARATOR, PERCENT, PIPE, PLUS, QUESTION_MARK, QUOTE, REQUIRED, REQUIRES_NEW, RETURN, RIGHT_BRACE, RIGHT_BRACKET, RIGHT_CHEV, SELECT, SEMICOLON, SEVEN, SINGLE_QUOTE, SIX, SPACE, SQ_LEFT_BRACKET, SQ_RIGHT_BRACKET, SUPPORTS, TEXT_HTML, TEXT_PLAIN, TEXT_XML, THREE, TRUE, TWO, UNDERSCORE, UPDATE, UTF_8, Y, YES, ZERO

Constructor Summary

protected

ServletUtils()

Method Summary

static void	forward(javax.servlet.http.HttpServletRequest request, javax.servlet.http.HttpServletResponse response) check if there is a forward parameter in the http request object, if so, forward on to it
static void	forward(javax.servlet.http.HttpServletRequest request, javax.servlet.http.HttpServletResponse response, java.lang.String forwardTag) forward a servlet request, based upon a parameter with the name 'forward'
static void	forwardError(javax.servlet.http.HttpServletRequest request, javax.servlet.http.HttpServletResponse response) check if there is an error parameter in the http request object, if so, forward on to it
static java.lang.String	getAttrOrParam(javax.servlet.http.HttpServletRequest request, java.lang.String name) get a named attribute, and if it is not found, look for the parameter instead
static java.io.BufferedReader	getBufferedReaderForURL(java.lang.String urlstr, java.util.Map headers, java.lang.String encoding)
static java.io.BufferedReader	getBufferedReaderForURL(java.lang.String urlstr, java.lang.String encoding) get a buffered reader for reading from a specific URL
static java.lang.String	getContent(java.lang.String httpmessage)
static java.lang.String	getHeader(java.lang.String httpmessage)
static java.lang.String[]	getLanguageCountry(java.lang.String acceptlang)
static java.util.Locale	getLocale(javax.servlet.http.HttpServletRequest request)
static java.util.Locale	getLocale(javax.servlet.http.HttpServletRequest request, java.lang.String variant, boolean sessionset) get the locale being used by this request
static java.lang.String	getParameterFromMap(java.util.Map parameterMap, java.lang.String key, int index)
static java.lang.String	getServerResponse(java.lang.String host, int port, java.lang.String request, java.lang.String encoding, int timeout)
static java.lang.String	getServerResponse(java.lang.String url, java.util.Map headers, java.lang.String encoding) call another server and return its response as a string
static void	main(java.lang.String[] args)
static void	setLocale(javax.servlet.http.HttpSession session, java.util.Locale locale) set the locale for this session
static java.util.Properties	toProperties(javax.servlet.ServletConfig config) convert a servlet config into a properties file
static java.lang.String	toString(javax.servlet.http.HttpServletRequest request) convert a servlet request to a string (for debugging purposes)
static java.lang.String	toString(javax.servlet.http.HttpSession session)
static java.lang.String	toString(java.util.Map queryMap)

Methods inherited from class java.lang.Object

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

Field Detail

XML_ATTRIBUTE

public static final java.lang.String XML_ATTRIBUTE

See Also:

Constant Field Values

Constructor Detail

ServletUtils

protected ServletUtils()

Method Detail

forward

public static final void forward(javax.servlet.http.HttpServletRequest request,
                                 javax.servlet.http.HttpServletResponse response,
                                 java.lang.String forwardTag)

forward a servlet request, based upon a parameter with the name 'forward'

forward

public static final void forward(javax.servlet.http.HttpServletRequest request,
                                 javax.servlet.http.HttpServletResponse response)

check if there is a forward parameter in the http request object, if so, forward on to it

Parameters:

request - the servlet request

response - the servlet response

forwardError

public static final void forwardError(javax.servlet.http.HttpServletRequest request,
                                      javax.servlet.http.HttpServletResponse response)

check if there is an error parameter in the http request object, if so, forward on to it

Parameters:

request - the servlet request

response - the servlet response

getAttrOrParam

public static final java.lang.String getAttrOrParam(javax.servlet.http.HttpServletRequest request,
                                                    java.lang.String name)

get a named attribute, and if it is not found, look for the parameter instead

getBufferedReaderForURL

public static final java.io.BufferedReader getBufferedReaderForURL(java.lang.String urlstr,
                                                                   java.lang.String encoding)
                                                            throws java.net.MalformedURLException,
                                                                   java.io.IOException

get a buffered reader for reading from a specific URL

Throws:

java.net.MalformedURLException

java.io.IOException

getBufferedReaderForURL

public static final java.io.BufferedReader getBufferedReaderForURL(java.lang.String urlstr,
                                                                   java.util.Map headers,
                                                                   java.lang.String encoding)
                                                            throws java.net.MalformedURLException,
                                                                   java.io.IOException

Throws:

java.net.MalformedURLException

java.io.IOException

getContent

public static final java.lang.String getContent(java.lang.String httpmessage)

getHeader

public static final java.lang.String getHeader(java.lang.String httpmessage)

getLanguageCountry

public static final java.lang.String[] getLanguageCountry(java.lang.String acceptlang)

getLocale

public static final java.util.Locale getLocale(javax.servlet.http.HttpServletRequest request)

getLocale

public static final java.util.Locale getLocale(javax.servlet.http.HttpServletRequest request,
                                               java.lang.String variant,
                                               boolean sessionset)

get the locale being used by this request

getServerResponse

public static final java.lang.String getServerResponse(java.lang.String url,
                                                       java.util.Map headers,
                                                       java.lang.String encoding)
                                                throws java.net.MalformedURLException,
                                                       java.io.IOException

call another server and return its response as a string

Throws:

java.net.MalformedURLException

java.io.IOException

getParameterFromMap

public static java.lang.String getParameterFromMap(java.util.Map parameterMap,
                                                   java.lang.String key,
                                                   int index)

getServerResponse

public static final java.lang.String getServerResponse(java.lang.String host,
                                                       int port,
                                                       java.lang.String request,
                                                       java.lang.String encoding,
                                                       int timeout)
                                                throws java.io.IOException

Throws:

java.io.IOException

setLocale

public static final void setLocale(javax.servlet.http.HttpSession session,
                                   java.util.Locale locale)

set the locale for this session

toProperties

public static final java.util.Properties toProperties(javax.servlet.ServletConfig config)

convert a servlet config into a properties file

toString

public static final java.lang.String toString(javax.servlet.http.HttpServletRequest request)

convert a servlet request to a string (for debugging purposes)

toString

public static final java.lang.String toString(javax.servlet.http.HttpSession session)

toString

public static final java.lang.String toString(java.util.Map queryMap)

main

public static final void main(java.lang.String[] args)
                       throws java.lang.Exception

Throws:

java.lang.Exception