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add allAll for primitive

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Looly 2020-05-31 16:17:33 +08:00
parent 32ece1bbf4
commit 5a99c64226
3 changed files with 231 additions and 0 deletions
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1
CHANGELOG.md
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@ -31,6 +31,7 @@
* 【http 】 HttpUtil增加downloadBytes方法（pr#895@Github）
* 【core 】 isMactchRegex失效标记，增加isMatchRegex（issue#I1IPJG@Gitee）
* 【core 】 优化Validator.isChinese
* 【core 】 ArrayUtil.addAll增加原始类型支持（issue#898@Github）
### Bug修复
* 【core 】 修复SimpleCache死锁问题（issue#I1HOKB@Gitee）

224
hutool-core/src/main/java/cn/hutool/core/util/ArrayUtil.java
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@ -654,6 +654,230 @@ public class ArrayUtil {
return result;
}
/**
* 将多个数组合并在一起<br>
* 忽略null的数组
*
* @param arrays 数组集合
* @return 合并后的数组
* @since 4.6.9
*/
public static int[] addAll(int[]... arrays) {
if (arrays.length == 1) {
return arrays[0];
}
// 计算总长度
int length = 0;
for (int[] array : arrays) {
if (null != array) {
length += array.length;
}
}
final int[] result = new int[length];
length = 0;
for (int[] array : arrays) {
if (null != array) {
System.arraycopy(array, 0, result, length, array.length);
length += array.length;
}
}
return result;
}
/**
* 将多个数组合并在一起<br>
* 忽略null的数组
*
* @param arrays 数组集合
* @return 合并后的数组
* @since 4.6.9
*/
public static long[] addAll(long[]... arrays) {
if (arrays.length == 1) {
return arrays[0];
}
// 计算总长度
int length = 0;
for (long[] array : arrays) {
if (null != array) {
length += array.length;
}
}
final long[] result = new long[length];
length = 0;
for (long[] array : arrays) {
if (null != array) {
System.arraycopy(array, 0, result, length, array.length);
length += array.length;
}
}
return result;
}
/**
* 将多个数组合并在一起<br>
* 忽略null的数组
*
* @param arrays 数组集合
* @return 合并后的数组
* @since 4.6.9
*/
public static double[] addAll(double[]... arrays) {
if (arrays.length == 1) {
return arrays[0];
}
// 计算总长度
int length = 0;
for (double[] array : arrays) {
if (null != array) {
length += array.length;
}
}
final double[] result = new double[length];
length = 0;
for (double[] array : arrays) {
if (null != array) {
System.arraycopy(array, 0, result, length, array.length);
length += array.length;
}
}
return result;
}
/**
* 将多个数组合并在一起<br>
* 忽略null的数组
*
* @param arrays 数组集合
* @return 合并后的数组
* @since 4.6.9
*/
public static float[] addAll(float[]... arrays) {
if (arrays.length == 1) {
return arrays[0];
}
// 计算总长度
int length = 0;
for (float[] array : arrays) {
if (null != array) {
length += array.length;
}
}
final float[] result = new float[length];
length = 0;
for (float[] array : arrays) {
if (null != array) {
System.arraycopy(array, 0, result, length, array.length);
length += array.length;
}
}
return result;
}
/**
* 将多个数组合并在一起<br>
* 忽略null的数组
*
* @param arrays 数组集合
* @return 合并后的数组
* @since 4.6.9
*/
public static char[] addAll(char[]... arrays) {
if (arrays.length == 1) {
return arrays[0];
}
// 计算总长度
int length = 0;
for (char[] array : arrays) {
if (null != array) {
length += array.length;
}
}
final char[] result = new char[length];
length = 0;
for (char[] array : arrays) {
if (null != array) {
System.arraycopy(array, 0, result, length, array.length);
length += array.length;
}
}
return result;
}
/**
* 将多个数组合并在一起<br>
* 忽略null的数组
*
* @param arrays 数组集合
* @return 合并后的数组
* @since 4.6.9
*/
public static boolean[] addAll(boolean[]... arrays) {
if (arrays.length == 1) {
return arrays[0];
}
// 计算总长度
int length = 0;
for (boolean[] array : arrays) {
if (null != array) {
length += array.length;
}
}
final boolean[] result = new boolean[length];
length = 0;
for (boolean[] array : arrays) {
if (null != array) {
System.arraycopy(array, 0, result, length, array.length);
length += array.length;
}
}
return result;
}
/**
* 将多个数组合并在一起<br>
* 忽略null的数组
*
* @param arrays 数组集合
* @return 合并后的数组
* @since 4.6.9
*/
public static short[] addAll(short[]... arrays) {
if (arrays.length == 1) {
return arrays[0];
}
// 计算总长度
int length = 0;
for (short[] array : arrays) {
if (null != array) {
length += array.length;
}
}
final short[] result = new short[length];
length = 0;
for (short[] array : arrays) {
if (null != array) {
System.arraycopy(array, 0, result, length, array.length);
length += array.length;
}
}
return result;
}
/**
* 包装 {@link System#arraycopy(Object, int, Object, int, int)}<br>
* 数组复制

6
hutool-core/src/test/java/cn/hutool/core/util/ArrayUtilTest.java
View File

@ -283,4 +283,10 @@ public class ArrayUtilTest {
Assert.assertEquals("C", array[2]);
Assert.assertEquals("D", array[3]);
}
@Test
public void addAllTest(){
final int[] ints = ArrayUtil.addAll(new int[]{1, 2, 3}, new int[]{4, 5, 6});
Assert.assertArrayEquals(new int[]{1,2,3,4,5,6}, ints);
}
}