Class TypeConverter

java.lang.Object

org.jboss.resteasy.util.TypeConverter

public final class TypeConverter
extends Object

A utility class that can convert a String value as a typed object.

Version:

$Revision: $

Field Summary

Fields

Modifier and Type	Field	Description
private static final Map<Class<?>,Class<?>>	PRIMITIVES	A map of primitive to objects.
private static final String	VALUE_OF_METHOD

Constructor Summary

Constructors

Modifier	Constructor	Description
private	TypeConverter()

Method Summary

Modifier and Type	Method	Description
static Boolean	getBooleanValue(String source)	Returns a Boolean value from a String.
static <T> T	getType(Class<T> targetType, String source)	A generic method that returns the String as the specified Java type.
private static <T> T	getTypeViaStringConstructor(String source, Class<T> targetType)
static <T> T	getTypeViaValueOfMethod(String source, Class<T> targetType)
static boolean	isConvertable(Class<?> targetType)	Tests if the class can safely be converted from a String to the specified type.

Methods inherited from class Object

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

Field Details

VALUE_OF_METHOD

private static final String VALUE_OF_METHOD

See Also:

• Constant Field Values

PRIMITIVES

private static final Map<Class<?>,Class<?>> PRIMITIVES

A map of primitive to objects.

Constructor Details

TypeConverter

private TypeConverter()

Method Details

getType

public static <T> T getType(Class<T> targetType,
 String source)

A generic method that returns the String as the specified Java type.

Type Parameters:

T - the type to return

Parameters:

targetType -

source - the string value to convert

Returns:

the object instance

isConvertable

public static boolean isConvertable(Class<?> targetType)

Tests if the class can safely be converted from a String to the specified type.

Parameters:

targetType - the type to convert to

Returns:

true if the class possesses either a "valueOf()" method or a constructor with a String parameter.

getBooleanValue

public static Boolean getBooleanValue(String source)

Returns a Boolean value from a String. Unlike

invalid @link

{@link Boolean.#valueOf(String)

}, this method takes more String options. The following String values will return true:

• Yes
• Y
• T
• 1

While the following values will return false:

• No
• N
• F
• 0

Parameters:

source -

Returns:

getTypeViaValueOfMethod

public static <T> T getTypeViaValueOfMethod(String source,
 Class<T> targetType)
                                     throws NoSuchMethodException

Type Parameters:

T -

Parameters:

source -

targetType -

Returns:

Throws:

NoSuchMethodException

getTypeViaStringConstructor

private static <T> T getTypeViaStringConstructor(String source,
 Class<T> targetType)

Type Parameters:

T -

Parameters:

source -

targetType -

Returns:

Throws:

IllegalArgumentException

InstantiationException

IllegalAccessException

InvocationTargetException