Package org.apache.struts2.util

Class StrutsUtil

java.lang.Object

org.apache.struts2.util.StrutsUtil

public class StrutsUtil
extends Object

Struts base utility class, for use in Velocity and Freemarker templates

Field Summary

Fields

Modifier and Type	Field	Description
protected Map<String,Class<?>>	classes
protected static final org.apache.logging.log4j.Logger	LOG
protected jakarta.servlet.http.HttpServletRequest	request
protected jakarta.servlet.http.HttpServletResponse	response
protected ValueStack	stack

Constructor Summary

Constructors

Constructor	Description
StrutsUtil(ValueStack stack, jakarta.servlet.http.HttpServletRequest request, jakarta.servlet.http.HttpServletResponse response)

Method Summary

Modifier and Type	Method	Description
Object	bean(Object name)
String	buildUrl(String url)
Object	findString(String name)
Object	findValue(String expr, Object context)
Object	findValue(String expression, String className)
String	getContext()
String	getText(String text)
String	include(Object aName)
boolean	isTrue(String expression)
List<ListEntry>	makeSelectList(String selectedList, String list, String listKey, String listValue)	the selectedList objects are matched to the list.listValue
int	toInt(long aLong)
long	toLong(int anInt)
long	toLong(String aLong)
String	toString(int anInt)
String	toString(long aLong)
String	toStringSafe(Object obj)
String	translateVariables(String expression)
String	urlEncode(String s)

Methods inherited from class java.lang.Object

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

Field Details

LOG

protected static final org.apache.logging.log4j.Logger LOG

request

protected jakarta.servlet.http.HttpServletRequest request

response

protected jakarta.servlet.http.HttpServletResponse response

classes

protected Map<String,Class<?>> classes

stack

protected ValueStack stack

Constructor Details

StrutsUtil

public StrutsUtil(ValueStack stack,
 jakarta.servlet.http.HttpServletRequest request,
 jakarta.servlet.http.HttpServletResponse response)

Method Details

bean

public Object bean(Object name)
            throws Exception

Throws:

Exception

isTrue

public boolean isTrue(String expression)

findString

public Object findString(String name)

include

public String include(Object aName)
               throws Exception

Throws:

Exception

urlEncode

public String urlEncode(String s)

buildUrl

public String buildUrl(String url)

findValue

public Object findValue(String expression,
 String className)
                 throws ClassNotFoundException

Throws:

ClassNotFoundException

findValue

public Object findValue(String expr,
 Object context)

getText

public String getText(String text)

getContext

public String getContext()

translateVariables

public String translateVariables(String expression)

makeSelectList

public List<ListEntry> makeSelectList(String selectedList,
 String list,
 String listKey,
 String listValue)

the selectedList objects are matched to the list.listValue

listKey and listValue are optional, and if not provided, the list item is used

Parameters:

selectedList - the name of the action property that contains the list of selected items or single item if its not an array or list

list - the name of the action property that contains the list of selectable items

listKey - an ognl expression that is exaluated relative to the list item to use as the key of the ListEntry

listValue - an ognl expression that is exaluated relative to the list item to use as the value of the ListEntry

Returns:

a List of ListEntry

toInt

public int toInt(long aLong)

toLong

public long toLong(int anInt)

toLong

public long toLong(String aLong)

toString

public String toString(long aLong)

toString

public String toString(int anInt)

toStringSafe

public String toStringSafe(Object obj)