org.jboss.resteasy.util

Class TypeConverter

java.lang.Object

org.jboss.resteasy.util.TypeConverter

public final class TypeConverter
extends java.lang.Object

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

Version:

$Revision: $

Field Summary

Fields

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

Constructor Summary

Constructors

Modifier	Constructor and Description
private	TypeConverter()

Method Summary

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

Methods inherited from class java.lang.Object

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

Field Detail

VALUE_OF_METHOD

private static final java.lang.String VALUE_OF_METHOD

See Also:

Constant Field Values

PRIMITIVES

private static final java.util.Map<java.lang.Class<?>,java.lang.Class<?>> PRIMITIVES

A map of primitive to objects.

Constructor Detail

TypeConverter

private TypeConverter()

Method Detail

getType

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

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

Type Parameters:

T - the type to return

Parameters:

source - the string value to convert

targetType -

Returns:

the object instance

isConvertable

public static boolean isConvertable(java.lang.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 java.lang.Boolean getBooleanValue(java.lang.String source)

Returns a Boolean value from a String. Unlike 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(java.lang.String source,
                                            java.lang.Class<T> targetType)
                                     throws java.lang.NoSuchMethodException

Type Parameters:

T -

Parameters:

source -

targetType -

Returns:

Throws:

java.lang.NoSuchMethodException

getTypeViaStringConstructor

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

Type Parameters:

T -

Parameters:

source -

targetType -

Returns:

Throws:

java.lang.IllegalArgumentException

java.lang.InstantiationException

java.lang.IllegalAccessException

java.lang.reflect.InvocationTargetException