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org.rapidoid.commons.Arr Maven / Gradle / Ivy
/*-
* #%L
* rapidoid-commons
* %%
* Copyright (C) 2014 - 2017 Nikolche Mihajlovski and contributors
* %%
* 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.
* #L%
*/
package org.rapidoid.commons;
import org.rapidoid.RapidoidThing;
import org.rapidoid.annotation.Authors;
import org.rapidoid.annotation.Since;
import org.rapidoid.u.U;
import java.util.Arrays;
@Authors("Nikolche Mihajlovski")
@Since("2.0.0")
public class Arr extends RapidoidThing {
/* indexOf */
public static int indexOf(Object[] arr, Object value) {
for (int i = 0; i < arr.length; i++) {
if (U.eq(arr[i], value)) {
return i;
}
}
return -1;
}
public static int indexOf(boolean[] arr, boolean value) {
for (int i = 0; i < arr.length; i++) {
if (arr[i] == value) {
return i;
}
}
return -1;
}
public static int indexOf(byte[] arr, byte value) {
for (int i = 0; i < arr.length; i++) {
if (arr[i] == value) {
return i;
}
}
return -1;
}
public static int indexOf(char[] arr, char value) {
for (int i = 0; i < arr.length; i++) {
if (arr[i] == value) {
return i;
}
}
return -1;
}
public static int indexOf(int[] arr, int value) {
for (int i = 0; i < arr.length; i++) {
if (arr[i] == value) {
return i;
}
}
return -1;
}
public static int indexOf(long[] arr, long value) {
for (int i = 0; i < arr.length; i++) {
if (arr[i] == value) {
return i;
}
}
return -1;
}
public static int indexOf(float[] arr, float value) {
for (int i = 0; i < arr.length; i++) {
if (arr[i] == value) {
return i;
}
}
return -1;
}
public static int indexOf(double[] arr, double value) {
for (int i = 0; i < arr.length; i++) {
if (arr[i] == value) {
return i;
}
}
return -1;
}
/* contains */
public static boolean contains(T[] arr, T value) {
return indexOf(arr, value) >= 0;
}
public static boolean contains(boolean[] arr, boolean value) {
return indexOf(arr, value) >= 0;
}
public static boolean contains(byte[] arr, byte value) {
return indexOf(arr, value) >= 0;
}
public static boolean contains(char[] arr, char value) {
return indexOf(arr, value) >= 0;
}
public static boolean contains(int[] arr, int value) {
return indexOf(arr, value) >= 0;
}
public static boolean contains(long[] arr, long value) {
return indexOf(arr, value) >= 0;
}
public static boolean contains(float[] arr, float value) {
return indexOf(arr, value) >= 0;
}
public static boolean contains(double[] arr, double value) {
return indexOf(arr, value) >= 0;
}
/* containsAny */
public static boolean containsAny(T[] arr, Iterable values) {
for (T value : values) {
if (contains(arr, value)) return true;
}
return false;
}
/* sub */
public static T[] sub(T[] arr, int from, int to) {
int start = from >= 0 ? from : arr.length + from;
int end = to >= 0 ? to : arr.length + to;
return Arrays.copyOfRange(arr, start, end);
}
public static boolean[] sub(boolean[] arr, int from, int to) {
int start = from >= 0 ? from : arr.length + from;
int end = to >= 0 ? to : arr.length + to;
return Arrays.copyOfRange(arr, start, end);
}
public static byte[] sub(byte[] arr, int from, int to) {
int start = from >= 0 ? from : arr.length + from;
int end = to >= 0 ? to : arr.length + to;
return Arrays.copyOfRange(arr, start, end);
}
public static char[] sub(char[] arr, int from, int to) {
int start = from >= 0 ? from : arr.length + from;
int end = to >= 0 ? to : arr.length + to;
return Arrays.copyOfRange(arr, start, end);
}
public static int[] sub(int[] arr, int from, int to) {
int start = from >= 0 ? from : arr.length + from;
int end = to >= 0 ? to : arr.length + to;
return Arrays.copyOfRange(arr, start, end);
}
public static long[] sub(long[] arr, int from, int to) {
int start = from >= 0 ? from : arr.length + from;
int end = to >= 0 ? to : arr.length + to;
return Arrays.copyOfRange(arr, start, end);
}
public static float[] sub(float[] arr, int from, int to) {
int start = from >= 0 ? from : arr.length + from;
int end = to >= 0 ? to : arr.length + to;
return Arrays.copyOfRange(arr, start, end);
}
public static double[] sub(double[] arr, int from, int to) {
int start = from >= 0 ? from : arr.length + from;
int end = to >= 0 ? to : arr.length + to;
return Arrays.copyOfRange(arr, start, end);
}
/* concat */
@SafeVarargs
public static T[] concat(T[] left, T... right) {
T[] concatenated = Arrays.copyOf(left, left.length + right.length);
System.arraycopy(right, 0, concatenated, left.length, right.length);
return concatenated;
}
public static boolean[] concat(boolean[] left, boolean... right) {
boolean[] concatenated = Arrays.copyOf(left, left.length + right.length);
System.arraycopy(right, 0, concatenated, left.length, right.length);
return concatenated;
}
public static byte[] concat(byte[] left, byte... right) {
byte[] concatenated = Arrays.copyOf(left, left.length + right.length);
System.arraycopy(right, 0, concatenated, left.length, right.length);
return concatenated;
}
public static char[] concat(char[] left, char... right) {
char[] concatenated = Arrays.copyOf(left, left.length + right.length);
System.arraycopy(right, 0, concatenated, left.length, right.length);
return concatenated;
}
public static int[] concat(int[] left, int... right) {
int[] concatenated = Arrays.copyOf(left, left.length + right.length);
System.arraycopy(right, 0, concatenated, left.length, right.length);
return concatenated;
}
public static long[] concat(long[] left, long... right) {
long[] concatenated = Arrays.copyOf(left, left.length + right.length);
System.arraycopy(right, 0, concatenated, left.length, right.length);
return concatenated;
}
public static float[] concat(float[] left, float... right) {
float[] concatenated = Arrays.copyOf(left, left.length + right.length);
System.arraycopy(right, 0, concatenated, left.length, right.length);
return concatenated;
}
public static double[] concat(double[] left, double... right) {
double[] concatenated = Arrays.copyOf(left, left.length + right.length);
System.arraycopy(right, 0, concatenated, left.length, right.length);
return concatenated;
}
/* merge */
public static Object[] merge(Object[]... arrays) {
int size = 0;
for (Object[] arr : arrays) size += arr.length;
Object[] concat = new Object[size];
int destPos = 0;
for (Object[] src : arrays) {
System.arraycopy(src, 0, concat, destPos, src.length);
destPos += src.length;
}
return concat;
}
public static boolean[] merge(boolean[]... arrays) {
int size = 0;
for (boolean[] arr : arrays) size += arr.length;
boolean[] concat = new boolean[size];
int destPos = 0;
for (boolean[] src : arrays) {
System.arraycopy(src, 0, concat, destPos, src.length);
destPos += src.length;
}
return concat;
}
public static byte[] merge(byte[]... arrays) {
int size = 0;
for (byte[] arr : arrays) size += arr.length;
byte[] concat = new byte[size];
int destPos = 0;
for (byte[] src : arrays) {
System.arraycopy(src, 0, concat, destPos, src.length);
destPos += src.length;
}
return concat;
}
public static char[] merge(char[]... arrays) {
int size = 0;
for (char[] arr : arrays) size += arr.length;
char[] concat = new char[size];
int destPos = 0;
for (char[] src : arrays) {
System.arraycopy(src, 0, concat, destPos, src.length);
destPos += src.length;
}
return concat;
}
public static int[] merge(int[]... arrays) {
int size = 0;
for (int[] arr : arrays) size += arr.length;
int[] concat = new int[size];
int destPos = 0;
for (int[] src : arrays) {
System.arraycopy(src, 0, concat, destPos, src.length);
destPos += src.length;
}
return concat;
}
public static long[] merge(long[]... arrays) {
int size = 0;
for (long[] arr : arrays) size += arr.length;
long[] concat = new long[size];
int destPos = 0;
for (long[] src : arrays) {
System.arraycopy(src, 0, concat, destPos, src.length);
destPos += src.length;
}
return concat;
}
public static float[] merge(float[]... arrays) {
int size = 0;
for (float[] arr : arrays) size += arr.length;
float[] concat = new float[size];
int destPos = 0;
for (float[] src : arrays) {
System.arraycopy(src, 0, concat, destPos, src.length);
destPos += src.length;
}
return concat;
}
public static double[] merge(double[]... arrays) {
int size = 0;
for (double[] arr : arrays) size += arr.length;
double[] concat = new double[size];
int destPos = 0;
for (double[] src : arrays) {
System.arraycopy(src, 0, concat, destPos, src.length);
destPos += src.length;
}
return concat;
}
/* split */
@SafeVarargs
public static void split(T[] src, T[]... parts) {
int srcPos = 0;
for (T[] dest : parts) {
System.arraycopy(src, srcPos, dest, 0, dest.length);
srcPos += dest.length;
}
}
public static void split(boolean[] src, boolean[]... parts) {
int srcPos = 0;
for (boolean[] dest : parts) {
System.arraycopy(src, srcPos, dest, 0, dest.length);
srcPos += dest.length;
}
}
public static void split(byte[] src, byte[]... parts) {
int srcPos = 0;
for (byte[] dest : parts) {
System.arraycopy(src, srcPos, dest, 0, dest.length);
srcPos += dest.length;
}
}
public static void split(char[] src, char[]... parts) {
int srcPos = 0;
for (char[] dest : parts) {
System.arraycopy(src, srcPos, dest, 0, dest.length);
srcPos += dest.length;
}
}
public static void split(int[] src, int[]... parts) {
int srcPos = 0;
for (int[] dest : parts) {
System.arraycopy(src, srcPos, dest, 0, dest.length);
srcPos += dest.length;
}
}
public static void split(long[] src, long[]... parts) {
int srcPos = 0;
for (long[] dest : parts) {
System.arraycopy(src, srcPos, dest, 0, dest.length);
srcPos += dest.length;
}
}
public static void split(float[] src, float[]... parts) {
int srcPos = 0;
for (float[] dest : parts) {
System.arraycopy(src, srcPos, dest, 0, dest.length);
srcPos += dest.length;
}
}
public static void split(double[] src, double[]... parts) {
int srcPos = 0;
for (double[] dest : parts) {
System.arraycopy(src, srcPos, dest, 0, dest.length);
srcPos += dest.length;
}
}
}
