jrun.jsp
Class Utils

java.lang.Object
  |
  +--jrun.jsp.Utils

public class Utils

extends java.lang.Object

Field Summary

static java.lang.String

SERVLET_PATH

Constructor Summary

Utils()

Method Summary

static java.lang.String	arrayToString(java.lang.String[] str, char sep) Convert a string array to a string separated by some char.
static java.lang.String	canonicalizeURI(java.lang.String uri)
static java.lang.String	collapseDotDots(java.lang.String str)
static java.lang.String	convertValueToType(java.lang.String value, java.lang.String type)
static java.lang.String	expandURI(java.lang.String parent, java.lang.String urlSpec)
static java.lang.String	getHeaderParameter(java.lang.String header, java.lang.String parameter) Pull a parameter from a MIME message header
static java.lang.String	getHeaderParameter(java.lang.String header, java.lang.String parameter, java.lang.String deflt) Pull a parameter from a MIME message header
static long	getLastModified(javax.servlet.ServletContext application, java.lang.String resource)
static java.lang.String	getPageClassName(java.lang.String pagePath)
static java.lang.String	getPrefix(java.lang.String tag)
static java.beans.PropertyDescriptor	getPropertyDescriptor(java.lang.Class clazz, java.lang.String property) get a bean property descriptor
static java.lang.String	getServletPath(javax.servlet.http.HttpServletRequest request) Returns the servlet path by looking in the attribute set for javax.servlet.include.servlet_path and then calling getServletPath
static java.lang.String	getSetter(java.lang.String s)
static java.lang.String	getTagName(java.lang.String tag)
static boolean	isJar(java.io.InputStream is)
static boolean	isPrimitive(java.lang.String type)
static int	occurrences(java.lang.String s, char c) count the occurances of a char in a string
static int[]	segment(char[] chars)
static java.lang.String	substitute(java.lang.String str, java.lang.String from, java.lang.String to) Simple string replace routine, return the same string with all instances of from replaced with to
static java.lang.String	trimDuplicateSlashes(java.lang.String path) Remove any duplicate slashes in a path.

Methods inherited from class java.lang.Object

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

Field Detail

SERVLET_PATH

public static final java.lang.String SERVLET_PATH

Constructor Detail

Utils

public Utils()

Method Detail

getHeaderParameter

public static java.lang.String getHeaderParameter(java.lang.String header,
                                                  java.lang.String parameter)

Pull a parameter from a MIME message header

Parameters:

header - The header to pull the param from

parameter - The parameter to look for

getHeaderParameter

public static java.lang.String getHeaderParameter(java.lang.String header,
                                                  java.lang.String parameter,
                                                  java.lang.String deflt)

Pull a parameter from a MIME message header

Parameters:

header - The header to pull the param from

parameter - The parameter to look for

default - Default value if the parameter isn't found

getPageClassName

public static java.lang.String getPageClassName(java.lang.String pagePath)

isPrimitive

public static boolean isPrimitive(java.lang.String type)

convertValueToType

public static java.lang.String convertValueToType(java.lang.String value,
                                                  java.lang.String type)

getSetter

public static java.lang.String getSetter(java.lang.String s)

getPrefix

public static java.lang.String getPrefix(java.lang.String tag)

getTagName

public static java.lang.String getTagName(java.lang.String tag)

expandURI

public static java.lang.String expandURI(java.lang.String parent,
                                         java.lang.String urlSpec)

getPropertyDescriptor

public static java.beans.PropertyDescriptor getPropertyDescriptor(java.lang.Class clazz,
                                                                  java.lang.String property)
                                                           throws java.beans.IntrospectionException

get a bean property descriptor

Parameters:

clazz - The bean type to set the property on

property - The name of the property

Throws:

java.beans.IntrospectionException - If an introspection error occurs trying to get property descriptor

NoSuchPropertyException - If the property doesn't exist on this bean

occurrences

public static int occurrences(java.lang.String s,
                              char c)

count the occurances of a char in a string

isJar

public static boolean isJar(java.io.InputStream is)

segment

public static int[] segment(char[] chars)

canonicalizeURI

public static java.lang.String canonicalizeURI(java.lang.String uri)

collapseDotDots

public static java.lang.String collapseDotDots(java.lang.String str)

substitute

public static java.lang.String substitute(java.lang.String str,
                                          java.lang.String from,
                                          java.lang.String to)

Simple string replace routine, return the same string with all instances of from replaced with to

trimDuplicateSlashes

public static java.lang.String trimDuplicateSlashes(java.lang.String path)

Remove any duplicate slashes in a path.

Parameters:

path - The path to check

Returns:

The path without duplicate slashes

getServletPath

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

Returns the servlet path by looking in the attribute set for javax.servlet.include.servlet_path and then calling getServletPath

Parameters:

request - The request

arrayToString

public static java.lang.String arrayToString(java.lang.String[] str,
                                             char sep)

Convert a string array to a string separated by some char.

getLastModified

public static long getLastModified(javax.servlet.ServletContext application,
                                   java.lang.String resource)
                            throws java.io.IOException