Module com.aoapps.servlet.util

Package com.aoapps.servlet.attribute

Class AttributeEE.Page<T>

java.lang.Object

com.aoapps.lang.attribute.Attribute<JspContext,T>

com.aoapps.servlet.attribute.AttributeEE<JspContext,T>

com.aoapps.servlet.attribute.AttributeEE.Page<T>

Enclosing class:

AttributeEE<C,T>

public static final class AttributeEE.Page<T>
extends AttributeEE<JspContext,T>

A page-scope attribute.

Nested Class Summary

Nested classes/interfaces inherited from class com.aoapps.servlet.attribute.AttributeEE

AttributeEE.Application<T>, AttributeEE.Jstl<T>, AttributeEE.Name<T>, AttributeEE.Page<T>, AttributeEE.Request<T>, AttributeEE.Session<T>

Nested classes/interfaces inherited from class com.aoapps.lang.attribute.Attribute

Attribute.OldValue

Field Summary

Fields inherited from class com.aoapps.lang.attribute.Attribute

name

Method Summary

Modifier and Type	Method	Description
<Ex extends Throwable> T	compute(int scope, BiFunctionE<? super String,? super T,? extends T,? extends Ex> remappingFunction)	Much like Map.compute(java.lang.Object, java.util.function.BiFunction), but for this page-scope attribute.
<Ex extends Throwable> T	compute(BiFunctionE<? super String,? super T,? extends T,? extends Ex> remappingFunction)	Much like Map.compute(java.lang.Object, java.util.function.BiFunction), but for this page-scope attribute.
static <T, Ex extends Throwable> T	compute(JspContext jspContext, int scope, String name, BiFunctionE<? super String,? super T,? extends T,? extends Ex> remappingFunction)	Much like Map.compute(java.lang.Object, java.util.function.BiFunction), but for a page-scope attribute.
static <T, Ex extends Throwable> T	compute(JspContext jspContext, String name, BiFunctionE<? super String,? super T,? extends T,? extends Ex> remappingFunction)	Much like Map.compute(java.lang.Object, java.util.function.BiFunction), but for a page-scope attribute.
<Ex extends Throwable> T	computeIfAbsent(int scope, FunctionE<? super String,? extends T,? extends Ex> mappingFunction)	Much like Map.computeIfAbsent(java.lang.Object, java.util.function.Function), but for this page-scope attribute.
<Ex extends Throwable> T	computeIfAbsent(FunctionE<? super String,? extends T,? extends Ex> mappingFunction)	Much like Map.computeIfAbsent(java.lang.Object, java.util.function.Function), but for this page-scope attribute.
static <T, Ex extends Throwable> T	computeIfAbsent(JspContext jspContext, int scope, String name, FunctionE<? super String,? extends T,? extends Ex> mappingFunction)	Much like Map.computeIfAbsent(java.lang.Object, java.util.function.Function), but for a page-scope attribute.
static <T, Ex extends Throwable> T	computeIfAbsent(JspContext jspContext, String name, FunctionE<? super String,? extends T,? extends Ex> mappingFunction)	Much like Map.computeIfAbsent(java.lang.Object, java.util.function.Function), but for a page-scope attribute.
<Ex extends Throwable> T	computeIfPresent(int scope, BiFunctionE<? super String,? super T,? extends T,? extends Ex> remappingFunction)	Much like Map.computeIfPresent(java.lang.Object, java.util.function.BiFunction), but for this page-scope attribute.
<Ex extends Throwable> T	computeIfPresent(BiFunctionE<? super String,? super T,? extends T,? extends Ex> remappingFunction)	Much like Map.computeIfPresent(java.lang.Object, java.util.function.BiFunction), but for this page-scope attribute.
static <T, Ex extends Throwable> T	computeIfPresent(JspContext jspContext, int scope, String name, BiFunctionE<? super String,? super T,? extends T,? extends Ex> remappingFunction)	Much like Map.computeIfPresent(java.lang.Object, java.util.function.BiFunction), but for a page-scope attribute.
static <T, Ex extends Throwable> T	computeIfPresent(JspContext jspContext, String name, BiFunctionE<? super String,? super T,? extends T,? extends Ex> remappingFunction)	Much like Map.computeIfPresent(java.lang.Object, java.util.function.BiFunction), but for a page-scope attribute.
T	find()	Finds this attribute in page, request, session (if valid), then application scopes.
static <T> T	find(JspContext jspContext, String name)	Finds an attribute in page, request, session (if valid), then application scopes.
int	findScope()	Finds this attribute's scope in page, request, session (if valid), then application scopes.
static int	findScope(JspContext jspContext, String name)	Finds an attribute's scope in page, request, session (if valid), then application scopes.
T	get()	Gets the value of this page-scope attribute.
T	get(int scope)	Gets this attribute in the given scope.
static <T> T	get(JspContext jspContext, int scope, String name)	Gets an attribute in the given scope.
static <T> T	get(JspContext jspContext, String name)	Gets a page-scope attribute.
ContextEE.Page	getContext()	Gets the page context for this attribute.
T	getOrDefault(int scope, T defaultValue)	Much like Map.getOrDefault(java.lang.Object, java.lang.Object), but for this page-scope attribute.
static <T> T	getOrDefault(JspContext jspContext, int scope, String name, T defaultValue)	Much like Map.getOrDefault(java.lang.Object, java.lang.Object), but for a page-scope attribute.
static <T> T	getOrDefault(JspContext jspContext, String name, T defaultValue)	Much like Map.getOrDefault(java.lang.Object, java.lang.Object), but for a page-scope attribute.
T	getOrDefault(T defaultValue)	Much like Map.getOrDefault(java.lang.Object, java.lang.Object), but for this page-scope attribute.
Attribute.OldValue	init(int scope, T value)	Initializes this page-scope attribute, returning a backup value, which must be closed to restore the old value.
Attribute.OldValue	init(T value)	Initializes this page-scope attribute, returning a backup value, which must be closed to restore the old value.
<Ex extends Throwable> T	merge(int scope, T value, BiFunctionE<? super T,? super T,? extends T,? extends Ex> remappingFunction)	Much like Map.merge(java.lang.Object, java.lang.Object, java.util.function.BiFunction), but for this page-scope attribute.
static <T, Ex extends Throwable> T	merge(JspContext jspContext, int scope, String name, T value, BiFunctionE<? super T,? super T,? extends T,? extends Ex> remappingFunction)	Much like Map.merge(java.lang.Object, java.lang.Object, java.util.function.BiFunction), but for a page-scope attribute.
static <T, Ex extends Throwable> T	merge(JspContext jspContext, String name, T value, BiFunctionE<? super T,? super T,? extends T,? extends Ex> remappingFunction)	Much like Map.merge(java.lang.Object, java.lang.Object, java.util.function.BiFunction), but for a page-scope attribute.
<Ex extends Throwable> T	merge(T value, BiFunctionE<? super T,? super T,? extends T,? extends Ex> remappingFunction)	Much like Map.merge(java.lang.Object, java.lang.Object, java.util.function.BiFunction), but for this page-scope attribute.
void	remove()	Removes the value from this page-scope attribute.
void	remove(int scope)	Removes this attribute from the given scope.
boolean	remove(int scope, T value)	Much like Map.remove(java.lang.Object, java.lang.Object), but for this page-scope attribute.
static void	remove(JspContext jspContext, int scope, String name)	Removes an attribute from the given scope.
static <T> boolean	remove(JspContext jspContext, int scope, String name, T value)	Much like Map.remove(java.lang.Object, java.lang.Object), but for a page-scope attribute.
static void	remove(JspContext jspContext, String name)	Removes a page-scope attribute.
static <T> boolean	remove(JspContext jspContext, String name, T value)	Much like Map.remove(java.lang.Object, java.lang.Object), but for a page-scope attribute.
boolean	remove(T value)	Much like Map.remove(java.lang.Object, java.lang.Object), but for this page-scope attribute.
void	removeAll()	Removes this attribute from all scopes.
static void	removeAll(JspContext jspContext, String name)	Removes an attribute from all scopes.
T	replace(int scope, T value)	Much like Map.replace(java.lang.Object, java.lang.Object), but for this page-scope attribute.
boolean	replace(int scope, T oldValue, T newValue)	Much like Map.replace(java.lang.Object, java.lang.Object, java.lang.Object), but for this page-scope attribute.
static <T> T	replace(JspContext jspContext, int scope, String name, T value)	Much like Map.replace(java.lang.Object, java.lang.Object), but for a page-scope attribute.
static <T> boolean	replace(JspContext jspContext, int scope, String name, T oldValue, T newValue)	Much like Map.replace(java.lang.Object, java.lang.Object, java.lang.Object), but for a page-scope attribute.
static <T> T	replace(JspContext jspContext, String name, T value)	Much like Map.replace(java.lang.Object, java.lang.Object), but for a page-scope attribute.
static <T> boolean	replace(JspContext jspContext, String name, T oldValue, T newValue)	Much like Map.replace(java.lang.Object, java.lang.Object, java.lang.Object), but for a page-scope attribute.
T	replace(T value)	Much like Map.replace(java.lang.Object, java.lang.Object), but for this page-scope attribute.
boolean	replace(T oldValue, T newValue)	Much like Map.replace(java.lang.Object, java.lang.Object, java.lang.Object), but for this page-scope attribute.
void	set(int scope, T value)	Sets this attribute in the given scope.
static <T> void	set(JspContext jspContext, int scope, String name, T value)	Sets an attribute in the given scope.
static <T> void	set(JspContext jspContext, String name, T value)	Sets a page-scope attribute.
void	set(T value)	Sets the value of this page-scope attribute.
T	setIfAbsent(int scope, T value)	Much like Map.putIfAbsent(java.lang.Object, java.lang.Object), but for this page-scope attribute.
static <T> T	setIfAbsent(JspContext jspContext, int scope, String name, T value)	Much like Map.putIfAbsent(java.lang.Object, java.lang.Object), but for a page-scope attribute.
static <T> T	setIfAbsent(JspContext jspContext, String name, T value)	Much like Map.putIfAbsent(java.lang.Object, java.lang.Object), but for a page-scope attribute.
T	setIfAbsent(T value)	Much like Map.putIfAbsent(java.lang.Object, java.lang.Object), but for this page-scope attribute.

Methods inherited from class com.aoapps.servlet.attribute.AttributeEE

attribute, jstl

Methods inherited from class com.aoapps.lang.attribute.Attribute

getName

Methods inherited from class java.lang.Object

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

Method Details

getContext

public ContextEE.Page getContext()

Gets the page context for this attribute.

Specified by:

getContext in class AttributeEE<JspContext,T>

init

public Attribute.OldValue init(T value)

Initializes this page-scope attribute, returning a backup value, which must be closed to restore the old value. This is best used in try-with-resources.

Specified by:

init in class Attribute<JspContext,T>

init

public Attribute.OldValue init(int scope,
 T value)

Initializes this page-scope attribute, returning a backup value, which must be closed to restore the old value. This is best used in try-with-resources.

compute

public static <T,
Ex extends Throwable> T compute(JspContext jspContext,
 String name,
 BiFunctionE<? super String,? super T,? extends T,? extends Ex> remappingFunction)
                                           throws Ex

Much like Map.compute(java.lang.Object, java.util.function.BiFunction), but for a page-scope attribute. Synchronizes on jspContext to ensure atomic operation.

Throws:

Ex

See Also:

• Map.compute(java.lang.Object, java.util.function.BiFunction)

compute

public <Ex extends Throwable> T compute(BiFunctionE<? super String,? super T,? extends T,? extends Ex> remappingFunction)
                                 throws Ex

Much like Map.compute(java.lang.Object, java.util.function.BiFunction), but for this page-scope attribute. Synchronizes on jspContext to ensure atomic operation.

Specified by:

compute in class Attribute<JspContext,T>

Throws:

Ex

See Also:

• Map.compute(java.lang.Object, java.util.function.BiFunction)

compute

public static <T,
Ex extends Throwable> T compute(JspContext jspContext,
 int scope,
 String name,
 BiFunctionE<? super String,? super T,? extends T,? extends Ex> remappingFunction)
                                           throws Ex

Much like Map.compute(java.lang.Object, java.util.function.BiFunction), but for a page-scope attribute. Synchronizes on jspContext to ensure atomic operation.

Throws:

Ex

See Also:

• Map.compute(java.lang.Object, java.util.function.BiFunction)

compute

public <Ex extends Throwable> T compute(int scope,
 BiFunctionE<? super String,? super T,? extends T,? extends Ex> remappingFunction)
                                 throws Ex

Much like Map.compute(java.lang.Object, java.util.function.BiFunction), but for this page-scope attribute. Synchronizes on jspContext to ensure atomic operation.

Throws:

Ex

See Also:

• Map.compute(java.lang.Object, java.util.function.BiFunction)

computeIfAbsent

public static <T,
Ex extends Throwable> T computeIfAbsent(JspContext jspContext,
 String name,
 FunctionE<? super String,? extends T,? extends Ex> mappingFunction)
                                                   throws Ex

Much like Map.computeIfAbsent(java.lang.Object, java.util.function.Function), but for a page-scope attribute. Synchronizes on jspContext to ensure atomic operation.

Throws:

Ex

See Also:

• Map.computeIfAbsent(java.lang.Object, java.util.function.Function)

computeIfAbsent

public <Ex extends Throwable> T computeIfAbsent(FunctionE<? super String,? extends T,? extends Ex> mappingFunction)
                                         throws Ex

Much like Map.computeIfAbsent(java.lang.Object, java.util.function.Function), but for this page-scope attribute. Synchronizes on jspContext to ensure atomic operation.

Specified by:

computeIfAbsent in class Attribute<JspContext,T>

Throws:

Ex

See Also:

• Map.computeIfAbsent(java.lang.Object, java.util.function.Function)

computeIfAbsent

public static <T,
Ex extends Throwable> T computeIfAbsent(JspContext jspContext,
 int scope,
 String name,
 FunctionE<? super String,? extends T,? extends Ex> mappingFunction)
                                                   throws Ex

Much like Map.computeIfAbsent(java.lang.Object, java.util.function.Function), but for a page-scope attribute. Synchronizes on jspContext to ensure atomic operation.

Throws:

Ex

See Also:

• Map.computeIfAbsent(java.lang.Object, java.util.function.Function)

computeIfAbsent

public <Ex extends Throwable> T computeIfAbsent(int scope,
 FunctionE<? super String,? extends T,? extends Ex> mappingFunction)
                                         throws Ex

Much like Map.computeIfAbsent(java.lang.Object, java.util.function.Function), but for this page-scope attribute. Synchronizes on jspContext to ensure atomic operation.

Throws:

Ex

See Also:

• Map.computeIfAbsent(java.lang.Object, java.util.function.Function)

computeIfPresent

public static <T,
Ex extends Throwable> T computeIfPresent(JspContext jspContext,
 String name,
 BiFunctionE<? super String,? super T,? extends T,? extends Ex> remappingFunction)
                                                    throws Ex

Much like Map.computeIfPresent(java.lang.Object, java.util.function.BiFunction), but for a page-scope attribute. Synchronizes on jspContext to ensure atomic operation.

Throws:

Ex

See Also:

• Map.computeIfPresent(java.lang.Object, java.util.function.BiFunction)

computeIfPresent

public <Ex extends Throwable> T computeIfPresent(BiFunctionE<? super String,? super T,? extends T,? extends Ex> remappingFunction)
                                          throws Ex

Much like Map.computeIfPresent(java.lang.Object, java.util.function.BiFunction), but for this page-scope attribute. Synchronizes on jspContext to ensure atomic operation.

Specified by:

computeIfPresent in class Attribute<JspContext,T>

Throws:

Ex

See Also:

• Map.computeIfPresent(java.lang.Object, java.util.function.BiFunction)

computeIfPresent

public static <T,
Ex extends Throwable> T computeIfPresent(JspContext jspContext,
 int scope,
 String name,
 BiFunctionE<? super String,? super T,? extends T,? extends Ex> remappingFunction)
                                                    throws Ex

Much like Map.computeIfPresent(java.lang.Object, java.util.function.BiFunction), but for a page-scope attribute. Synchronizes on jspContext to ensure atomic operation.

Throws:

Ex

See Also:

• Map.computeIfPresent(java.lang.Object, java.util.function.BiFunction)

computeIfPresent

public <Ex extends Throwable> T computeIfPresent(int scope,
 BiFunctionE<? super String,? super T,? extends T,? extends Ex> remappingFunction)
                                          throws Ex

Much like Map.computeIfPresent(java.lang.Object, java.util.function.BiFunction), but for this page-scope attribute. Synchronizes on jspContext to ensure atomic operation.

Throws:

Ex

See Also:

• Map.computeIfPresent(java.lang.Object, java.util.function.BiFunction)

find

public static <T> T find(JspContext jspContext,
 String name)

Finds an attribute in page, request, session (if valid), then application scopes.

See Also:

• JspContext.findAttribute(java.lang.String)

find

public T find()

Finds this attribute in page, request, session (if valid), then application scopes.

See Also:

• JspContext.findAttribute(java.lang.String)

findScope

public static int findScope(JspContext jspContext,
 String name)

Finds an attribute's scope in page, request, session (if valid), then application scopes.

See Also:

• JspContext.getAttributesScope(java.lang.String)

findScope

public int findScope()

Finds this attribute's scope in page, request, session (if valid), then application scopes.

See Also:

• JspContext.getAttributesScope(java.lang.String)

get

public static <T> T get(JspContext jspContext,
 String name)

Gets a page-scope attribute.

Parameters:

jspContext - may be null, which will return null

get

public T get()

Gets the value of this page-scope attribute.

Specified by:

get in class Attribute<JspContext,T>

get

public static <T> T get(JspContext jspContext,
 int scope,
 String name)

Gets an attribute in the given scope.

Parameters:

jspContext - may be null, which will return null

get

public T get(int scope)

Gets this attribute in the given scope.

getOrDefault

public static <T> T getOrDefault(JspContext jspContext,
 String name,
 T defaultValue)

Much like Map.getOrDefault(java.lang.Object, java.lang.Object), but for a page-scope attribute.

Parameters:

jspContext - may be null, which will return defaultValue

See Also:

• Map.getOrDefault(java.lang.Object, java.lang.Object)

getOrDefault

public T getOrDefault(T defaultValue)

Much like Map.getOrDefault(java.lang.Object, java.lang.Object), but for this page-scope attribute.

Specified by:

getOrDefault in class Attribute<JspContext,T>

See Also:

• Map.getOrDefault(java.lang.Object, java.lang.Object)

getOrDefault

public static <T> T getOrDefault(JspContext jspContext,
 int scope,
 String name,
 T defaultValue)

Much like Map.getOrDefault(java.lang.Object, java.lang.Object), but for a page-scope attribute.

Parameters:

jspContext - may be null, which will return defaultValue

See Also:

• Map.getOrDefault(java.lang.Object, java.lang.Object)

getOrDefault

public T getOrDefault(int scope,
 T defaultValue)

Much like Map.getOrDefault(java.lang.Object, java.lang.Object), but for this page-scope attribute.

See Also:

• Map.getOrDefault(java.lang.Object, java.lang.Object)

merge

public static <T,
Ex extends Throwable> T merge(JspContext jspContext,
 String name,
 T value,
 BiFunctionE<? super T,? super T,? extends T,? extends Ex> remappingFunction)
                                         throws Ex

Much like Map.merge(java.lang.Object, java.lang.Object, java.util.function.BiFunction), but for a page-scope attribute. Synchronizes on jspContext to ensure atomic operation.

Throws:

Ex

See Also:

• Map.merge(java.lang.Object, java.lang.Object, java.util.function.BiFunction)

merge

public <Ex extends Throwable> T merge(T value,
 BiFunctionE<? super T,? super T,? extends T,? extends Ex> remappingFunction)
                               throws Ex

Much like Map.merge(java.lang.Object, java.lang.Object, java.util.function.BiFunction), but for this page-scope attribute. Synchronizes on jspContext to ensure atomic operation.

Specified by:

merge in class Attribute<JspContext,T>

Throws:

Ex

See Also:

• Map.merge(java.lang.Object, java.lang.Object, java.util.function.BiFunction)

merge

public static <T,
Ex extends Throwable> T merge(JspContext jspContext,
 int scope,
 String name,
 T value,
 BiFunctionE<? super T,? super T,? extends T,? extends Ex> remappingFunction)
                                         throws Ex

Much like Map.merge(java.lang.Object, java.lang.Object, java.util.function.BiFunction), but for a page-scope attribute. Synchronizes on jspContext to ensure atomic operation.

Throws:

Ex

See Also:

• Map.merge(java.lang.Object, java.lang.Object, java.util.function.BiFunction)

merge

public <Ex extends Throwable> T merge(int scope,
 T value,
 BiFunctionE<? super T,? super T,? extends T,? extends Ex> remappingFunction)
                               throws Ex

Much like Map.merge(java.lang.Object, java.lang.Object, java.util.function.BiFunction), but for this page-scope attribute. Synchronizes on jspContext to ensure atomic operation.

Throws:

Ex

See Also:

• Map.merge(java.lang.Object, java.lang.Object, java.util.function.BiFunction)

remove

public static void remove(JspContext jspContext,
 String name)

Removes a page-scope attribute.

Parameters:

jspContext - may be null, which will skip removal

remove

public void remove()

Removes the value from this page-scope attribute.

Specified by:

remove in class Attribute<JspContext,T>

remove

public static void remove(JspContext jspContext,
 int scope,
 String name)

Removes an attribute from the given scope.

Parameters:

jspContext - may be null, which will skip removal

remove

public void remove(int scope)

Removes this attribute from the given scope.

remove

public static <T> boolean remove(JspContext jspContext,
 String name,
 T value)

Much like Map.remove(java.lang.Object, java.lang.Object), but for a page-scope attribute. Synchronizes on jspContext to ensure atomic operation.

See Also:

• Map.remove(java.lang.Object, java.lang.Object)

remove

public boolean remove(T value)

Much like Map.remove(java.lang.Object, java.lang.Object), but for this page-scope attribute. Synchronizes on jspContext to ensure atomic operation.

Specified by:

remove in class Attribute<JspContext,T>

See Also:

• Map.remove(java.lang.Object, java.lang.Object)

remove

public static <T> boolean remove(JspContext jspContext,
 int scope,
 String name,
 T value)

Much like Map.remove(java.lang.Object, java.lang.Object), but for a page-scope attribute. Synchronizes on jspContext to ensure atomic operation.

See Also:

• Map.remove(java.lang.Object, java.lang.Object)

remove

public boolean remove(int scope,
 T value)

Much like Map.remove(java.lang.Object, java.lang.Object), but for this page-scope attribute. Synchronizes on jspContext to ensure atomic operation.

See Also:

• Map.remove(java.lang.Object, java.lang.Object)

removeAll

public static void removeAll(JspContext jspContext,
 String name)

Removes an attribute from all scopes.

removeAll

public void removeAll()

Removes this attribute from all scopes.

replace

public static <T> T replace(JspContext jspContext,
 String name,
 T value)

Much like Map.replace(java.lang.Object, java.lang.Object), but for a page-scope attribute. Synchronizes on jspContext to ensure atomic operation.

See Also:

• Map.replace(java.lang.Object, java.lang.Object)

replace

public T replace(T value)

Much like Map.replace(java.lang.Object, java.lang.Object), but for this page-scope attribute. Synchronizes on jspContext to ensure atomic operation.

Specified by:

replace in class Attribute<JspContext,T>

See Also:

• Map.replace(java.lang.Object, java.lang.Object)

replace

public static <T> T replace(JspContext jspContext,
 int scope,
 String name,
 T value)

Much like Map.replace(java.lang.Object, java.lang.Object), but for a page-scope attribute. Synchronizes on jspContext to ensure atomic operation.

See Also:

• Map.replace(java.lang.Object, java.lang.Object)

replace

public T replace(int scope,
 T value)

Much like Map.replace(java.lang.Object, java.lang.Object), but for this page-scope attribute. Synchronizes on jspContext to ensure atomic operation.

See Also:

• Map.replace(java.lang.Object, java.lang.Object)

replace

public static <T> boolean replace(JspContext jspContext,
 String name,
 T oldValue,
 T newValue)

Much like Map.replace(java.lang.Object, java.lang.Object, java.lang.Object), but for a page-scope attribute. Synchronizes on jspContext to ensure atomic operation.

See Also:

• Map.replace(java.lang.Object, java.lang.Object, java.lang.Object)

replace

public boolean replace(T oldValue,
 T newValue)

Much like Map.replace(java.lang.Object, java.lang.Object, java.lang.Object), but for this page-scope attribute. Synchronizes on jspContext to ensure atomic operation.

Specified by:

replace in class Attribute<JspContext,T>

See Also:

• Map.replace(java.lang.Object, java.lang.Object, java.lang.Object)

replace

public static <T> boolean replace(JspContext jspContext,
 int scope,
 String name,
 T oldValue,
 T newValue)

Much like Map.replace(java.lang.Object, java.lang.Object, java.lang.Object), but for a page-scope attribute. Synchronizes on jspContext to ensure atomic operation.

See Also:

• Map.replace(java.lang.Object, java.lang.Object, java.lang.Object)

replace

public boolean replace(int scope,
 T oldValue,
 T newValue)

Much like Map.replace(java.lang.Object, java.lang.Object, java.lang.Object), but for this page-scope attribute. Synchronizes on jspContext to ensure atomic operation.

See Also:

• Map.replace(java.lang.Object, java.lang.Object, java.lang.Object)

set

public static <T> void set(JspContext jspContext,
 String name,
 T value)

Sets a page-scope attribute.

set

public void set(T value)

Sets the value of this page-scope attribute.

Specified by:

set in class Attribute<JspContext,T>

set

public static <T> void set(JspContext jspContext,
 int scope,
 String name,
 T value)

Sets an attribute in the given scope.

set

public void set(int scope,
 T value)

Sets this attribute in the given scope.

setIfAbsent

public static <T> T setIfAbsent(JspContext jspContext,
 String name,
 T value)

Much like Map.putIfAbsent(java.lang.Object, java.lang.Object), but for a page-scope attribute. Synchronizes on jspContext to ensure atomic operation.

See Also:

• Map.putIfAbsent(java.lang.Object, java.lang.Object)

setIfAbsent

public T setIfAbsent(T value)

Much like Map.putIfAbsent(java.lang.Object, java.lang.Object), but for this page-scope attribute. Synchronizes on jspContext to ensure atomic operation.

Specified by:

setIfAbsent in class Attribute<JspContext,T>

See Also:

• Map.putIfAbsent(java.lang.Object, java.lang.Object)

setIfAbsent

public static <T> T setIfAbsent(JspContext jspContext,
 int scope,
 String name,
 T value)

Much like Map.putIfAbsent(java.lang.Object, java.lang.Object), but for a page-scope attribute. Synchronizes on jspContext to ensure atomic operation.

See Also:

• Map.putIfAbsent(java.lang.Object, java.lang.Object)

setIfAbsent

public T setIfAbsent(int scope,
 T value)

Much like Map.putIfAbsent(java.lang.Object, java.lang.Object), but for this page-scope attribute. Synchronizes on jspContext to ensure atomic operation.

See Also:

• Map.putIfAbsent(java.lang.Object, java.lang.Object)