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/*
* Copyright 2010, 2011 Christopher Pheby
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.jadira.usertype.spi.utils.reflection;
import java.lang.reflect.Array;
/**
* Utility methods for manipulating arrays
* @author Chris Pheby
*/
public final class ArrayUtils {
private ArrayUtils() {
}
/**
* This method does a similar job to JSE 6.0's Arrays.copyOf() method
* @param The type of input array
* @param objectArray The array to copy
* @return A copy of the input, of component type
*/
public static U[] copyOf(U[] objectArray) {
Class arrayClass = objectArray.getClass();
@SuppressWarnings("unchecked") Class componentClass = (Class) arrayClass.getComponentType();
@SuppressWarnings("unchecked") U[] copy = (U[]) Array.newInstance(componentClass, objectArray.length);
System.arraycopy(objectArray, 0, copy, 0, objectArray.length);
return copy;
}
/**
* This method does a similar job to JSE 6.0's Arrays.copyOf() method and overloads the method for use with arrays of ints
* @param The type of input array
* @param intArray The array to copy
* @return A copy of the input, of component type
*/
public static int[] copyOf(int[] intArray) {
int[] copy = new int[intArray.length];
System.arraycopy(intArray, 0, copy, 0, intArray.length);
return copy;
}
/**
* This method does a similar job to JSE 6.0's Arrays.copyOf() method and overloads the method for use with arrays of short
* @param The type of input array
* @param shortArray The array to copy
* @return A copy of the input, of component type
*/
public static short[] copyOf(short[] shortArray) {
short[] copy = new short[shortArray.length];
System.arraycopy(shortArray, 0, copy, 0, shortArray.length);
return copy;
}
/**
* This method does a similar job to JSE 6.0's Arrays.copyOf() method and overloads the method for use with arrays of long
* @param The type of input array
* @param longArray The array to copy
* @return A copy of the input, of component type
*/
public static long[] copyOf(long[] longArray) {
long[] copy = new long[longArray.length];
System.arraycopy(longArray, 0, copy, 0, longArray.length);
return copy;
}
/**
* This method does a similar job to JSE 6.0's Arrays.copyOf() method and overloads the method for use with arrays of byte
* @param The type of input array
* @param byteArray The array to copy
* @return A copy of the input, of component type
*/
public static byte[] copyOf(byte[] byteArray) {
byte[] copy = new byte[byteArray.length];
System.arraycopy(byteArray, 0, copy, 0, byteArray.length);
return copy;
}
/**
* This method does a similar job to JSE 6.0's Arrays.copyOf() method and overloads the method for use with arrays of char
* @param The type of input array
* @param charArray The array to copy
* @return A copy of the input, of component type
*/
public static char[] copyOf(char[] charArray) {
char[] copy = new char[charArray.length];
System.arraycopy(charArray, 0, copy, 0, charArray.length);
return copy;
}
/**
* This method does a similar job to JSE 6.0's Arrays.copyOf() method and overloads the method for use with arrays of float
* @param The type of input array
* @param floatArray The array to copy
* @return A copy of the input, of component type
*/
public static float[] copyOf(float[] floatArray) {
float[] copy = new float[floatArray.length];
System.arraycopy(floatArray, 0, copy, 0, floatArray.length);
return copy;
}
/**
* This method does a similar job to JSE 6.0's Arrays.copyOf() method and overloads the method for use with arrays of double
* @param The type of input array
* @param doubleArray The array to copy
* @return A copy of the input, of component type
*/
public static double[] copyOf(double[] doubleArray) {
double[] copy = new double[doubleArray.length];
System.arraycopy(doubleArray, 0, copy, 0, doubleArray.length);
return copy;
}
/**
* This method does a similar job to JSE 6.0's Arrays.copyOf() method and overloads the method for use with arrays of boolean
* @param The type of input array
* @param booleanArray The array to copy
* @return A copy of the input, of component type
*/
public static boolean[] copyOf(boolean[] booleanArray) {
boolean[] copy = new boolean[booleanArray.length];
System.arraycopy(booleanArray, 0, copy, 0, booleanArray.length);
return copy;
}
}
