org.jboss.portal.common.value
Class AbstractValues

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

All Implemented Interfaces:

java.io.Serializable, Value

Direct Known Subclasses:

BooleanValues, IntegerValues, StringValues

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

See Also:

Serialized Form

Constructor Summary

AbstractValues()

Method Summary

boolean	asBoolean() Return the value as a boolean.
boolean[]	asBooleanArray() Default implementation throws FormatConversionException.
int	asInt() Return the value as an int.
int[]	asIntArray() Default implementation throws FormatConversionException.
java.lang.Object	asObject() Return the value.
java.lang.Object[]	asObjectArray() Return the values as an array of converted object.
java.util.List	asObjectList() Return the values as an immutable collection of converted object or null.
boolean	equals(java.lang.Object obj)
protected abstract java.lang.Object[]	getObjects() Must always return a non null array !!!
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

asString, asStringArray

Constructor Detail

AbstractValues

public AbstractValues()

Method Detail

getObjects

protected abstract java.lang.Object[] getObjects()

Must always return a non null array !!!

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

isNull

public boolean isNull()

Description copied from interface: Value

Return true if the value is null.

Specified by:

isNull in interface Value

isMultiValued

public boolean isMultiValued()

Description copied from interface: Value

Return true if it contains more than one value.

Specified by:

isMultiValued in interface Value

asIntArray

public int[] asIntArray()
                 throws NullConversionException,
                        FormatConversionException

Default implementation throws FormatConversionException.

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

Default implementation throws FormatConversionException.

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

asObjectArray

public java.lang.Object[] asObjectArray()

Description copied from interface: Value

Return the values as an array of converted object.

Specified by:

asObjectArray in interface Value

asObject

public java.lang.Object asObject()

Description copied from interface: Value

Return the value.

Specified by:

asObject in interface Value

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