org.jboss.portal.common.value
Class AbstractValue

java.lang.Object
  org.jboss.portal.common.value.AbstractValue

All Implemented Interfaces:

java.io.Serializable, Value

Direct Known Subclasses:

BooleanValue, IntegerValue, NullValue, StringValue

public abstract class AbstractValue
extends java.lang.Object
implements Value

See Also:

Serialized Form

Constructor Summary

AbstractValue()

Method Summary

boolean	asBoolean() Return the value as a boolean.
boolean[]	asBooleanArray() Return the values as an array of boolean.
int	asInt() Return the value as an int.
int[]	asIntArray() Return the values as an array of int.
java.util.List	asObjectList() Return the values as an immutable collection of converted object or null.
java.lang.String[]	asStringArray() Return the values as an array of string.
boolean	equals(java.lang.Object obj)
int	hashCode()
boolean	isMultiValued() Return true if it contains more than one value.
boolean	isNull() Return true if the value is null.
java.lang.String	toString()

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Methods inherited from interface org.jboss.portal.common.value.Value

asObject, asObjectArray, asString

Constructor Detail

AbstractValue

public AbstractValue()

Method Detail

isNull

public boolean isNull()

Description copied from interface: Value

Return true if the value is null.

Specified by:

isNull in interface Value

asInt

public int asInt()
          throws NullConversionException,
                 FormatConversionException

Description copied from interface: Value

Return the value as an int.

Specified by:

asInt in interface Value

Throws:

NullConversionException - if one of the values is null

FormatConversionException - if one of the values cannot be converted

asBoolean

public boolean asBoolean()
                  throws NullConversionException,
                         FormatConversionException

Description copied from interface: Value

Return the value as a boolean.

Specified by:

asBoolean in interface Value

Throws:

NullConversionException - if one of the values is null

FormatConversionException - if one of the values cannot be converted

isMultiValued

public boolean isMultiValued()

Description copied from interface: Value

Return true if it contains more than one value.

Specified by:

isMultiValued in interface Value

asStringArray

public java.lang.String[] asStringArray()

Description copied from interface: Value

Return the values as an array of string.

Specified by:

asStringArray in interface Value

asIntArray

public int[] asIntArray()
                 throws NullConversionException,
                        FormatConversionException

Description copied from interface: Value

Return the values as an array of int.

Specified by:

asIntArray in interface Value

Throws:

NullConversionException - if one of the values is null

FormatConversionException - if one of the values cannot be converted

asBooleanArray

public boolean[] asBooleanArray()
                         throws NullConversionException,
                                FormatConversionException

Description copied from interface: Value

Return the values as an array of boolean.

Specified by:

asBooleanArray in interface Value

Throws:

NullConversionException - if one of the values is null

FormatConversionException - if one of the values cannot be converted

hashCode

public int hashCode()

Overrides:

hashCode in class java.lang.Object

equals

public boolean equals(java.lang.Object obj)

Overrides:

equals in class java.lang.Object

asObjectList

public java.util.List asObjectList()

Description copied from interface: Value

Return the values as an immutable collection of converted object or null.

Specified by:

asObjectList in interface Value

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object