org.ujac.util.exi
Class ExpressionContext

java.lang.Object
  org.ujac.util.exi.ExpressionContext

All Implemented Interfaces:

Serializable, Map

Direct Known Subclasses:

TemplateContext

public class ExpressionContext
extends Object
implements Map, Serializable

Name: ExpressionContext
Description: A class holding all relevant data, needed to execute expressions.

Author:

lauerc

See Also:

Serialized Form

Nested Class Summary

Nested classes/interfaces inherited from interface java.util.Map

Map.Entry<K,V>

Constructor Summary

ExpressionContext()
Constructs a ExpressionContext instance with no specific attributes.

ExpressionContext(ExpressionContext ctx)
Constructs a ExpressionContext instance with specific attributes.

ExpressionContext(Map properties)
Constructs a ExpressionContext instance with specific attributes.

ExpressionContext(Map properties, FormatHelper formatHelper)
Constructs a ExpressionContext instance with specific attributes.

ExpressionContext(Map properties, Object bean, FormatHelper formatHelper)
Constructs a ExpressionContext instance with specific attributes.

Method Summary

void	clear()
boolean	containsKey(Object key)
boolean	containsValue(Object value)
Set	entrySet()
Object	get(Object key)
Object	getBean() Getter method for the the property bean.
FormatHelper	getFormatHelper() Getter method for the the property formatHelper.
Object	getProperty(Object name) Gets a property from the property map.
boolean	isEmpty()
Set	keySet()
Object	put(Object key, Object value)
void	putAll(Map properties)
protected void	readData(ObjectInputStream s) Reads the object's data from the given stream.
Object	remove(Object key)
void	setBean(Object bean) Setter method for the the property bean.
void	setFormatHelper(FormatHelper formatHelper) Setter method for the the property formatHelper.
Object	setProperty(Object name, Object value) Sets a property at the property map.
int	size()
Collection	values()
protected void	writeData(ObjectOutputStream s) Writes the object's data to the given stream.

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.util.Map

equals, hashCode

Constructor Detail

ExpressionContext

public ExpressionContext()

Constructs a ExpressionContext instance with no specific attributes.

ExpressionContext

public ExpressionContext(Map properties)

Constructs a ExpressionContext instance with specific attributes.

Parameters:

properties - The properties to use for expression evaluation.

ExpressionContext

public ExpressionContext(Map properties,
                         FormatHelper formatHelper)

Constructs a ExpressionContext instance with specific attributes.

Parameters:

properties - The properties to use for expression evaluation.

formatHelper - The format helper to use.

ExpressionContext

public ExpressionContext(Map properties,
                         Object bean,
                         FormatHelper formatHelper)

Constructs a ExpressionContext instance with specific attributes.

Parameters:

properties - The properties to use for expression evaluation.

bean - The bean used to retrieve parameter values, if the parameter value didn't exist in the localData map.

formatHelper - The format helper to use.

ExpressionContext

public ExpressionContext(ExpressionContext ctx)

Constructs a ExpressionContext instance with specific attributes.

Parameters:

ctx - The context to clone.

Method Detail

getProperty

public Object getProperty(Object name)

Gets a property from the property map.

Parameters:

name - The property name.

Returns:

The value of the desired property or null.

setProperty

public Object setProperty(Object name,
                          Object value)

Sets a property at the property map.

Parameters:

name - The property name.

value - The value to set.

Returns:

The old value of the desired property or null.

getBean

public Object getBean()

Getter method for the the property bean.

Returns:

The current value of property bean.

setBean

public void setBean(Object bean)

Setter method for the the property bean.

Parameters:

bean - The value to set for the property bean.

getFormatHelper

public FormatHelper getFormatHelper()

Getter method for the the property formatHelper.

Returns:

The current value of property formatHelper.

setFormatHelper

public void setFormatHelper(FormatHelper formatHelper)

Setter method for the the property formatHelper.

Parameters:

formatHelper - The value to set for the property formatHelper.

size

public int size()

Specified by:

size in interface Map

See Also:

Map.size()

isEmpty

public boolean isEmpty()

Specified by:

isEmpty in interface Map

See Also:

Map.isEmpty()

containsKey

public boolean containsKey(Object key)

Specified by:

containsKey in interface Map

See Also:

Map.containsKey(java.lang.Object)

containsValue

public boolean containsValue(Object value)

Specified by:

containsValue in interface Map

See Also:

Map.containsValue(java.lang.Object)

get

public Object get(Object key)

Specified by:

get in interface Map

See Also:

Map.get(java.lang.Object)

put

public Object put(Object key,
                  Object value)

Specified by:

put in interface Map

See Also:

Map.put(java.lang.Object, java.lang.Object)

remove

public Object remove(Object key)

Specified by:

remove in interface Map

See Also:

Map.remove(java.lang.Object)

putAll

public void putAll(Map properties)

Specified by:

putAll in interface Map

See Also:

Map.putAll(java.util.Map)

clear

public void clear()

Specified by:

clear in interface Map

See Also:

Map.clear()

keySet

public Set keySet()

Specified by:

keySet in interface Map

See Also:

Map.keySet()

values

public Collection values()

Specified by:

values in interface Map

See Also:

Map.values()

entrySet

public Set entrySet()

Specified by:

entrySet in interface Map

See Also:

Map.entrySet()

writeData

protected void writeData(ObjectOutputStream s)
                  throws IOException

Writes the object's data to the given stream.

Parameters:

s - The stream to write to

Throws:

IOException - In case the data output failed.

readData

protected void readData(ObjectInputStream s)
                 throws IOException,
                        ClassNotFoundException

Reads the object's data from the given stream.

Parameters:

s - The stream to read from.

Throws:

IOException - In case the data reading failed.

ClassNotFoundException - In case the class to deserialize could not be found