Author: bayard
Date: Mon Mar 22 06:22:28 2010
New Revision: 925970
URL: http://svn.apache.org/viewvc?rev=925970&view=rev
Log:
Vararging constructor methods; much like the method ones were in MethodUtils.
LANG-396
Modified:
commons/proper/lang/trunk/src/main/java/org/apache/commons/lang3/reflect/ConstructorUtils.java
Modified:
commons/proper/lang/trunk/src/main/java/org/apache/commons/lang3/reflect/ConstructorUtils.java
URL:
http://svn.apache.org/viewvc/commons/proper/lang/trunk/src/main/java/org/apache/commons/lang3/reflect/ConstructorUtils.java?rev=925970&r1=925969&r2=925970&view=diff
==============================================================================
---
commons/proper/lang/trunk/src/main/java/org/apache/commons/lang3/reflect/ConstructorUtils.java
(original)
+++
commons/proper/lang/trunk/src/main/java/org/apache/commons/lang3/reflect/ConstructorUtils.java
Mon Mar 22 06:22:28 2010
@@ -65,30 +65,6 @@ public class ConstructorUtils {
}
/**
- * <p>Convenience method returning new instance of <code>klazz</code>
using a single argument constructor.
- * The formal parameter type is inferred from the actual values of
<code>arg</code>.
- * See {...@link #invokeExactConstructor(Class, Object[], Class[])} for
more details.</p>
- *
- * <p>The signatures should be assignment compatible.</p>
- *
- * @param cls the class to be constructed.
- * @param arg the actual argument
- * @return new instance of <code>klazz</code>
- *
- * @throws NoSuchMethodException If the constructor cannot be found
- * @throws IllegalAccessException If an error occurs accessing the
constructor
- * @throws InvocationTargetException If an error occurs invoking the
constructor
- * @throws InstantiationException If an error occurs instantiating the
class
- *
- * @see #invokeConstructor(java.lang.Class, java.lang.Object[],
java.lang.Class[])
- */
- public static <T> T invokeConstructor(Class<T> cls, Object arg)
- throws NoSuchMethodException, IllegalAccessException,
- InvocationTargetException, InstantiationException {
- return invokeConstructor(cls, new Object[] { arg });
- }
-
- /**
* <p>Returns new instance of <code>klazz</code> created using the actual
arguments <code>args</code>.
* The formal parameter types are inferred from the actual values of
<code>args</code>.
* See {...@link #invokeExactConstructor(Class, Object[], Class[])} for
more details.</p>
@@ -106,7 +82,7 @@ public class ConstructorUtils {
*
* @see #invokeConstructor(java.lang.Class, java.lang.Object[],
java.lang.Class[])
*/
- public static <T> T invokeConstructor(Class<T> cls, Object[] args)
+ public static <T> T invokeConstructor(Class<T> cls, Object... args)
throws NoSuchMethodException, IllegalAccessException,
InvocationTargetException, InstantiationException {
if (null == args) {
@@ -156,30 +132,6 @@ public class ConstructorUtils {
}
/**
- * <p>Convenience method returning new instance of <code>klazz</code>
using a single argument constructor.
- * The formal parameter type is inferred from the actual values of
<code>arg</code>.
- * See {...@link #invokeExactConstructor(Class, Object[], Class[])} for
more details.</p>
- *
- * <p>The signatures should match exactly.</p>
- *
- * @param cls the class to be constructed.
- * @param arg the actual argument
- * @return new instance of <code>klazz</code>
- *
- * @throws NoSuchMethodException If the constructor cannot be found
- * @throws IllegalAccessException If an error occurs accessing the
constructor
- * @throws InvocationTargetException If an error occurs invoking the
constructor
- * @throws InstantiationException If an error occurs instantiating the
class
- *
- * @see #invokeExactConstructor(java.lang.Class, java.lang.Object[],
java.lang.Class[])
- */
- public static <T> T invokeExactConstructor(Class<T> cls, Object arg)
- throws NoSuchMethodException, IllegalAccessException,
- InvocationTargetException, InstantiationException {
- return invokeExactConstructor(cls, new Object[] { arg });
- }
-
- /**
* <p>Returns new instance of <code>klazz</code> created using the actual
arguments <code>args</code>.
* The formal parameter types are inferred from the actual values of
<code>args</code>.
* See {...@link #invokeExactConstructor(Class, Object[], Class[])} for
more details.</p>
@@ -197,7 +149,7 @@ public class ConstructorUtils {
*
* @see #invokeExactConstructor(java.lang.Class, java.lang.Object[],
java.lang.Class[])
*/
- public static <T> T invokeExactConstructor(Class<T> cls, Object[] args)
+ public static <T> T invokeExactConstructor(Class<T> cls, Object... args)
throws NoSuchMethodException, IllegalAccessException,
InvocationTargetException, InstantiationException {
if (null == args) {
@@ -249,19 +201,6 @@ public class ConstructorUtils {
}
/**
- * Returns a constructor with single argument.
- * @param cls the class to be constructed
- * @param parameterType The constructor parameter type
- * @return null if matching accessible constructor can not be found.
- * @see Class#getConstructor
- * @see #getAccessibleConstructor(java.lang.reflect.Constructor)
- */
- public static <T> Constructor<T> getAccessibleConstructor(Class<T> cls,
- Class<?> parameterType) {
- return getAccessibleConstructor(cls, new Class[] { parameterType });
- }
-
- /**
* Returns a constructor given a class and signature.
* @param cls the class to be constructed
* @param parameterTypes the parameter array
@@ -270,7 +209,7 @@ public class ConstructorUtils {
* @see #getAccessibleConstructor(java.lang.reflect.Constructor)
*/
public static <T> Constructor<T> getAccessibleConstructor(Class<T> cls,
- Class<?>[] parameterTypes) {
+ Class<?>... parameterTypes) {
try {
return
getAccessibleConstructor(cls.getConstructor(parameterTypes));
} catch (NoSuchMethodException e) {
@@ -307,7 +246,7 @@ public class ConstructorUtils {
*/
@SuppressWarnings("unchecked")
public static <T> Constructor<T> getMatchingAccessibleConstructor(Class<T>
cls,
- Class<?>[] parameterTypes) {
+ Class<?>... parameterTypes) {
// see if we can find the constructor directly
// most of the time this works and it's much faster
try {
