org.apache.wicket.util.value
Interface IValueMap

All Superinterfaces:

java.util.Map

All Known Implementing Classes:

AttributeMap, CopyOnWriteValueMap, PageParameters, ValueMap

public interface IValueMap
extends java.util.Map

A Map interface that holds values, parses Strings, and exposes a variety of convenience methods.

Since:

1.2.6

Author:

Johan Compagner

Nested Class Summary

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

java.util.Map.Entry<K,V>

Method Summary

void	clear()
boolean	getBoolean(java.lang.String key) Retrieves a boolean value by key.
java.lang.CharSequence	getCharSequence(java.lang.String key) Retrieves a CharSequence by key.
double	getDouble(java.lang.String key) Retrieves a double value by key.
double	getDouble(java.lang.String key, double defaultValue) Retrieves a double value by key, using a default value if not found.
Duration	getDuration(java.lang.String key) Retrieves a Duration by key.
int	getInt(java.lang.String key) Retrieves an int value by key.
int	getInt(java.lang.String key, int defaultValue) Retrieves an int value by key, using a default value if not found.
java.lang.String	getKey(java.lang.String key) Provided that the hash key is a String and you need to access the value ignoring the key's case (upper- or lowercase letters), then you may use this method to get the correct writing.
long	getLong(java.lang.String key) Retrieves a long value by key.
long	getLong(java.lang.String key, long defaultValue) Retrieves a long value by key, using a default value if not found.
java.lang.String	getString(java.lang.String key) Retrieves a String by key.
java.lang.String	getString(java.lang.String key, java.lang.String defaultValue) Retrieves a String by key, using a default value if not found.
java.lang.String[]	getStringArray(java.lang.String key) Retrieves a String array by key.
StringValue	getStringValue(java.lang.String key) Retrieves a StringValue object by key.
Time	getTime(java.lang.String key) Retrieves a Time object by key.
boolean	isImmutable() Returns whether or not this IValueMap is immutable.
IValueMap	makeImmutable() Makes this IValueMap immutable by changing the underlying map representation to a Collections.unmodifiableMap.
java.lang.Object	put(java.lang.Object key, java.lang.Object value)
void	putAll(java.util.Map map)
java.lang.Object	remove(java.lang.Object key)

Methods inherited from interface java.util.Map

containsKey, containsValue, entrySet, equals, get, hashCode, isEmpty, keySet, size, values

Method Detail

clear

void clear()

Specified by:

clear in interface java.util.Map

See Also:

Map.clear()

getBoolean

boolean getBoolean(java.lang.String key)
                   throws StringValueConversionException

Retrieves a boolean value by key.

Parameters:

key - the key

Returns:

the value

Throws:

StringValueConversionException

getDouble

double getDouble(java.lang.String key)
                 throws StringValueConversionException

Retrieves a double value by key.

Parameters:

key - the key

Returns:

the value

Throws:

StringValueConversionException

getDouble

double getDouble(java.lang.String key,
                 double defaultValue)
                 throws StringValueConversionException

Retrieves a double value by key, using a default value if not found.

Parameters:

key - the key

defaultValue - value to use if no value is in this IValueMap

Returns:

the value

Throws:

StringValueConversionException

getDuration

Duration getDuration(java.lang.String key)
                     throws StringValueConversionException

Retrieves a Duration by key.

Parameters:

key - the key

Returns:

the Duration value

Throws:

StringValueConversionException

getInt

int getInt(java.lang.String key)
           throws StringValueConversionException

Retrieves an int value by key.

Parameters:

key - the key

Returns:

the value

Throws:

StringValueConversionException

getInt

int getInt(java.lang.String key,
           int defaultValue)
           throws StringValueConversionException

Retrieves an int value by key, using a default value if not found.

Parameters:

key - the key

defaultValue - value to use if no value is in this IValueMap

Returns:

the value

Throws:

StringValueConversionException

getLong

long getLong(java.lang.String key)
             throws StringValueConversionException

Retrieves a long value by key.

Parameters:

key - the key

Returns:

the value

Throws:

StringValueConversionException

getLong

long getLong(java.lang.String key,
             long defaultValue)
             throws StringValueConversionException

Retrieves a long value by key, using a default value if not found.

Parameters:

key - the key

defaultValue - value to use if no value in this IValueMap

Returns:

the value

Throws:

StringValueConversionException

getString

java.lang.String getString(java.lang.String key,
                           java.lang.String defaultValue)

Retrieves a String by key, using a default value if not found.

Parameters:

key - the key

defaultValue - default value to return if value is null

Returns:

the String

getString

java.lang.String getString(java.lang.String key)

Retrieves a String by key.

Parameters:

key - the key

Returns:

the String

getCharSequence

java.lang.CharSequence getCharSequence(java.lang.String key)

Retrieves a CharSequence by key.

Parameters:

key - the key

Returns:

the CharSequence

getStringArray

java.lang.String[] getStringArray(java.lang.String key)

Retrieves a String array by key. If the value was a String[] it will be returned directly. If it was a String it will be converted to a String array of length one. If it was an array of another type, a String array will be made and each element will be converted to a String.

Parameters:

key - the key

Returns:

the String array of that key

getStringValue

StringValue getStringValue(java.lang.String key)

Retrieves a StringValue object by key.

Parameters:

key - the key

Returns:

the StringValue object

getTime

Time getTime(java.lang.String key)
             throws StringValueConversionException

Retrieves a Time object by key.

Parameters:

key - the key

Returns:

the Time object

Throws:

StringValueConversionException

isImmutable

boolean isImmutable()

Returns whether or not this IValueMap is immutable.

Returns:

whether or not this IValueMap is immutable

makeImmutable

IValueMap makeImmutable()

Makes this IValueMap immutable by changing the underlying map representation to a Collections.unmodifiableMap. After calling this method, any attempt to modify this IValueMap will result in a RuntimeException being thrown by the Collections framework.

Returns:

this IValueMap

put

java.lang.Object put(java.lang.Object key,
                     java.lang.Object value)

Specified by:

put in interface java.util.Map

See Also:

Map.put(Object, Object)

putAll

void putAll(java.util.Map map)

Specified by:

putAll in interface java.util.Map

See Also:

Map.putAll(java.util.Map)

remove

java.lang.Object remove(java.lang.Object key)

Specified by:

remove in interface java.util.Map

See Also:

Map.remove(java.lang.Object)

getKey

java.lang.String getKey(java.lang.String key)

Provided that the hash key is a String and you need to access the value ignoring the key's case (upper- or lowercase letters), then you may use this method to get the correct writing.

Parameters:

key - the key

Returns:

the key with the correct writing