wf.utils.java.object.ObjectUtils Maven / Gradle / Ivy
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package wf.utils.java.object;
import wf.utils.java.misc.annotation.Nullable;
import wf.utils.java.misc.Assert;
import java.io.File;
import java.lang.reflect.Array;
import java.net.InetAddress;
import java.net.URI;
import java.net.URL;
import java.nio.charset.Charset;
import java.nio.file.Path;
import java.time.ZoneId;
import java.time.temporal.Temporal;
import java.util.*;
import java.util.regex.Pattern;
public class ObjectUtils {
private static final Object[] EMPTY_OBJECT_ARRAY = new Object[0];
public ObjectUtils() {
}
public static boolean isCheckedException(Throwable ex) {
return !(ex instanceof RuntimeException) && !(ex instanceof Error);
}
public static boolean isCompatibleWithThrowsClause(Throwable ex, @Nullable Class... declaredExceptions) {
if (!isCheckedException(ex)) {
return true;
} else {
if (declaredExceptions != null) {
Class[] var2 = declaredExceptions;
int var3 = declaredExceptions.length;
for(int var4 = 0; var4 < var3; ++var4) {
Class declaredException = var2[var4];
if (declaredException.isInstance(ex)) {
return true;
}
}
}
return false;
}
}
public static boolean isArray(@Nullable Object obj) {
return obj != null && obj.getClass().isArray();
}
public static boolean isEmpty(@Nullable Object[] array) {
return array == null || array.length == 0;
}
public static boolean isEmpty(@Nullable Object obj) {
if (obj == null) {
return true;
} else if (obj instanceof Optional) {
Optional optional = (Optional)obj;
return !optional.isPresent();
} else if (obj instanceof CharSequence) {
CharSequence charSequence = (CharSequence)obj;
return charSequence.length() == 0;
} else if (obj.getClass().isArray()) {
return Array.getLength(obj) == 0;
} else if (obj instanceof Collection) {
Collection collection = (Collection)obj;
return collection.isEmpty();
} else if (obj instanceof Map) {
Map map = (Map)obj;
return map.isEmpty();
} else {
return false;
}
}
@Nullable
public static Object unwrapOptional(@Nullable Object obj) {
if (obj instanceof Optional) {
if (!((Optional)obj).isPresent()) {
return null;
} else {
Object result = ((Optional)obj).get();
Assert.isTrue(!(result instanceof Optional), "Multi-level Optional usage not supported");
return result;
}
} else {
return obj;
}
}
public static boolean containsElement(@Nullable Object[] array, Object element) {
if (array == null) {
return false;
} else {
Object[] var2 = array;
int var3 = array.length;
for(int var4 = 0; var4 < var3; ++var4) {
Object arrayEle = var2[var4];
if (nullSafeEquals(arrayEle, element)) {
return true;
}
}
return false;
}
}
public static boolean containsConstant(Enum[] enumValues, String constant) {
return containsConstant(enumValues, constant, false);
}
public static boolean containsConstant(Enum[] enumValues, String constant, boolean caseSensitive) {
Enum[] var3 = enumValues;
int var4 = enumValues.length;
int var5 = 0;
while(true) {
if (var5 >= var4) {
return false;
}
Enum candidate = var3[var5];
if (caseSensitive) {
if (candidate.toString().equals(constant)) {
break;
}
} else if (candidate.toString().equalsIgnoreCase(constant)) {
break;
}
++var5;
}
return true;
}
public static > E caseInsensitiveValueOf(E[] enumValues, String constant) {
Enum[] var2 = enumValues;
int var3 = enumValues.length;
for(int var4 = 0; var4 < var3; ++var4) {
E candidate = (E) var2[var4];
if (candidate.toString().equalsIgnoreCase(constant)) {
return candidate;
}
}
throw new IllegalArgumentException("Constant [" + constant + "] does not exist in enum type " + enumValues.getClass().getComponentType().getName());
}
public static A[] addObjectToArray(@Nullable A[] array, @Nullable O obj) {
return addObjectToArray(array, obj, array != null ? array.length : 0);
}
public static A[] addObjectToArray(@Nullable A[] array, @Nullable O obj, int position) {
Class componentType = Object.class;
if (array != null) {
componentType = array.getClass().getComponentType();
} else if (obj != null) {
componentType = obj.getClass();
}
int newArrayLength = array != null ? array.length + 1 : 1;
A[] newArray = (A[]) Array.newInstance(componentType, newArrayLength);
if (array != null) {
System.arraycopy(array, 0, newArray, 0, position);
System.arraycopy(array, position, newArray, position + 1, array.length - position);
}
newArray[position] = obj;
return newArray;
}
public static Object[] toObjectArray(@Nullable Object source) {
if (source instanceof Object[]) {
return (Object[]) source;
} else if (source == null) {
return EMPTY_OBJECT_ARRAY;
} else if (!source.getClass().isArray()) {
throw new IllegalArgumentException("Source is not an array: " + source);
} else {
int length = Array.getLength(source);
if (length == 0) {
return EMPTY_OBJECT_ARRAY;
} else {
Class wrapperType = Array.get(source, 0).getClass();
Object[] newArray = (Object[])Array.newInstance(wrapperType, length);
for(int i = 0; i < length; ++i) {
newArray[i] = Array.get(source, i);
}
return newArray;
}
}
}
public static boolean nullSafeEquals(@Nullable Object o1, @Nullable Object o2) {
if (o1 == o2) {
return true;
} else if (o1 != null && o2 != null) {
if (o1.equals(o2)) {
return true;
} else {
return o1.getClass().isArray() && o2.getClass().isArray() ? arrayEquals(o1, o2) : false;
}
} else {
return false;
}
}
private static boolean arrayEquals(Object o1, Object o2) {
if (o1 instanceof Object[]) {
if (o2 instanceof Object[]) {
return Arrays.equals((Object[]) o1, (Object[]) o2);
}
}
if (o1 instanceof boolean[]) {
if (o2 instanceof boolean[]) {
return Arrays.equals((boolean[]) o1, (boolean[]) o2);
}
}
if (o1 instanceof byte[]) {
if (o2 instanceof byte[]) {
return Arrays.equals((byte[]) o1, (byte[]) o2);
}
}
if (o1 instanceof char[]) {
if (o2 instanceof char[]) {
return Arrays.equals((char[]) o1, (char[]) o2);
}
}
if (o1 instanceof double[]) {
if (o2 instanceof double[]) {
return Arrays.equals((double[]) o1, (double[]) o2);
}
}
if (o1 instanceof float[]) {
if (o2 instanceof float[]) {
return Arrays.equals((float[]) o1, (float[]) o2);
}
}
if (o1 instanceof int[]) {
if (o2 instanceof int[]) {
return Arrays.equals((int[]) o1, (int[]) o2);
}
}
if (o1 instanceof long[]) {
if (o2 instanceof long[]) {
return Arrays.equals((long[]) o1, (long[]) o2);
}
}
if (o1 instanceof short[]) {
if (o2 instanceof short[]) {
return Arrays.equals((short[]) o1, (short[]) o2);
}
}
return false;
}
public static int nullSafeHashCode(@Nullable Object obj) {
if (obj == null) {
return 0;
} else {
if (obj.getClass().isArray()) {
if (obj instanceof Object[]) {
Object[] objects = (Object[])obj;
return nullSafeHashCode(objects);
}
if (obj instanceof boolean[]) {
boolean[] booleans = (boolean[])obj;
return nullSafeHashCode(booleans);
}
if (obj instanceof byte[]) {
byte[] bytes = (byte[])obj;
return nullSafeHashCode(bytes);
}
if (obj instanceof char[]) {
char[] chars = (char[])obj;
return nullSafeHashCode(chars);
}
if (obj instanceof double[]) {
double[] doubles = (double[])obj;
return nullSafeHashCode(doubles);
}
if (obj instanceof float[]) {
float[] floats = (float[])obj;
return nullSafeHashCode(floats);
}
if (obj instanceof int[]) {
int[] ints = (int[])obj;
return nullSafeHashCode(ints);
}
if (obj instanceof long[]) {
long[] longs = (long[])obj;
return nullSafeHashCode(longs);
}
if (obj instanceof short[]) {
short[] shorts = (short[])obj;
return nullSafeHashCode(shorts);
}
}
return obj.hashCode();
}
}
public static int nullSafeHashCode(@Nullable Object[] array) {
if (array == null) {
return 0;
} else {
int hash = 7;
Object[] var2 = array;
int var3 = array.length;
for(int var4 = 0; var4 < var3; ++var4) {
Object element = var2[var4];
hash = 31 * hash + nullSafeHashCode(element);
}
return hash;
}
}
public static int nullSafeHashCode(@Nullable boolean[] array) {
if (array == null) {
return 0;
} else {
int hash = 7;
boolean[] var2 = array;
int var3 = array.length;
for(int var4 = 0; var4 < var3; ++var4) {
boolean element = var2[var4];
hash = 31 * hash + Boolean.hashCode(element);
}
return hash;
}
}
public static int nullSafeHashCode(@Nullable byte[] array) {
if (array == null) {
return 0;
} else {
int hash = 7;
byte[] var2 = array;
int var3 = array.length;
for(int var4 = 0; var4 < var3; ++var4) {
byte element = var2[var4];
hash = 31 * hash + element;
}
return hash;
}
}
public static int nullSafeHashCode(@Nullable char[] array) {
if (array == null) {
return 0;
} else {
int hash = 7;
char[] var2 = array;
int var3 = array.length;
for(int var4 = 0; var4 < var3; ++var4) {
char element = var2[var4];
hash = 31 * hash + element;
}
return hash;
}
}
public static int nullSafeHashCode(@Nullable double[] array) {
if (array == null) {
return 0;
} else {
int hash = 7;
double[] var2 = array;
int var3 = array.length;
for(int var4 = 0; var4 < var3; ++var4) {
double element = var2[var4];
hash = 31 * hash + Double.hashCode(element);
}
return hash;
}
}
public static int nullSafeHashCode(@Nullable float[] array) {
if (array == null) {
return 0;
} else {
int hash = 7;
float[] var2 = array;
int var3 = array.length;
for(int var4 = 0; var4 < var3; ++var4) {
float element = var2[var4];
hash = 31 * hash + Float.hashCode(element);
}
return hash;
}
}
public static int nullSafeHashCode(@Nullable int[] array) {
if (array == null) {
return 0;
} else {
int hash = 7;
int[] var2 = array;
int var3 = array.length;
for(int var4 = 0; var4 < var3; ++var4) {
int element = var2[var4];
hash = 31 * hash + element;
}
return hash;
}
}
public static int nullSafeHashCode(@Nullable long[] array) {
if (array == null) {
return 0;
} else {
int hash = 7;
long[] var2 = array;
int var3 = array.length;
for(int var4 = 0; var4 < var3; ++var4) {
long element = var2[var4];
hash = 31 * hash + Long.hashCode(element);
}
return hash;
}
}
public static int nullSafeHashCode(@Nullable short[] array) {
if (array == null) {
return 0;
} else {
int hash = 7;
short[] var2 = array;
int var3 = array.length;
for(int var4 = 0; var4 < var3; ++var4) {
short element = var2[var4];
hash = 31 * hash + element;
}
return hash;
}
}
public static String identityToString(@Nullable Object obj) {
if (obj == null) {
return "";
} else {
String var10000 = obj.getClass().getName();
return var10000 + "@" + getIdentityHexString(obj);
}
}
public static String getIdentityHexString(Object obj) {
return Integer.toHexString(System.identityHashCode(obj));
}
public static String getDisplayString(@Nullable Object obj) {
return obj == null ? "" : nullSafeToString(obj);
}
public static String nullSafeClassName(@Nullable Object obj) {
return obj != null ? obj.getClass().getName() : "null";
}
public static String nullSafeToString(@Nullable Object obj) {
if (obj == null) {
return "null";
} else {
String str;
if (obj instanceof String) {
str = (String)obj;
return str;
} else if (obj instanceof Object[]) {
Object[] objects = (Object[])obj;
return nullSafeToString(objects);
} else if (obj instanceof boolean[]) {
boolean[] booleans = (boolean[])obj;
return nullSafeToString(booleans);
} else if (obj instanceof byte[]) {
byte[] bytes = (byte[])obj;
return nullSafeToString(bytes);
} else if (obj instanceof char[]) {
char[] chars = (char[])obj;
return nullSafeToString(chars);
} else if (obj instanceof double[]) {
double[] doubles = (double[])obj;
return nullSafeToString(doubles);
} else if (obj instanceof float[]) {
float[] floats = (float[])obj;
return nullSafeToString(floats);
} else if (obj instanceof int[]) {
int[] ints = (int[])obj;
return nullSafeToString(ints);
} else if (obj instanceof long[]) {
long[] longs = (long[])obj;
return nullSafeToString(longs);
} else if (obj instanceof short[]) {
short[] shorts = (short[])obj;
return nullSafeToString(shorts);
} else {
str = obj.toString();
return str != null ? str : "";
}
}
}
public static String nullSafeToString(@Nullable Object[] array) {
if (array == null) {
return "null";
} else {
int length = array.length;
if (length == 0) {
return "{}";
} else {
StringJoiner stringJoiner = new StringJoiner(", ", "{", "}");
Object[] var3 = array;
int var4 = array.length;
for(int var5 = 0; var5 < var4; ++var5) {
Object o = var3[var5];
stringJoiner.add(String.valueOf(o));
}
return stringJoiner.toString();
}
}
}
public static String nullSafeToString(@Nullable boolean[] array) {
if (array == null) {
return "null";
} else {
int length = array.length;
if (length == 0) {
return "{}";
} else {
StringJoiner stringJoiner = new StringJoiner(", ", "{", "}");
boolean[] var3 = array;
int var4 = array.length;
for(int var5 = 0; var5 < var4; ++var5) {
boolean b = var3[var5];
stringJoiner.add(String.valueOf(b));
}
return stringJoiner.toString();
}
}
}
public static String nullSafeToString(@Nullable byte[] array) {
if (array == null) {
return "null";
} else {
int length = array.length;
if (length == 0) {
return "{}";
} else {
StringJoiner stringJoiner = new StringJoiner(", ", "{", "}");
byte[] var3 = array;
int var4 = array.length;
for(int var5 = 0; var5 < var4; ++var5) {
byte b = var3[var5];
stringJoiner.add(String.valueOf(b));
}
return stringJoiner.toString();
}
}
}
public static String nullSafeToString(@Nullable char[] array) {
if (array == null) {
return "null";
} else {
int length = array.length;
if (length == 0) {
return "{}";
} else {
StringJoiner stringJoiner = new StringJoiner(", ", "{", "}");
char[] var3 = array;
int var4 = array.length;
for(int var5 = 0; var5 < var4; ++var5) {
char c = var3[var5];
stringJoiner.add("'" + String.valueOf(c) + "'");
}
return stringJoiner.toString();
}
}
}
public static String nullSafeToString(@Nullable double[] array) {
if (array == null) {
return "null";
} else {
int length = array.length;
if (length == 0) {
return "{}";
} else {
StringJoiner stringJoiner = new StringJoiner(", ", "{", "}");
double[] var3 = array;
int var4 = array.length;
for(int var5 = 0; var5 < var4; ++var5) {
double d = var3[var5];
stringJoiner.add(String.valueOf(d));
}
return stringJoiner.toString();
}
}
}
public static String nullSafeToString(@Nullable float[] array) {
if (array == null) {
return "null";
} else {
int length = array.length;
if (length == 0) {
return "{}";
} else {
StringJoiner stringJoiner = new StringJoiner(", ", "{", "}");
float[] var3 = array;
int var4 = array.length;
for(int var5 = 0; var5 < var4; ++var5) {
float f = var3[var5];
stringJoiner.add(String.valueOf(f));
}
return stringJoiner.toString();
}
}
}
public static String nullSafeToString(@Nullable int[] array) {
if (array == null) {
return "null";
} else {
int length = array.length;
if (length == 0) {
return "{}";
} else {
StringJoiner stringJoiner = new StringJoiner(", ", "{", "}");
int[] var3 = array;
int var4 = array.length;
for(int var5 = 0; var5 < var4; ++var5) {
int i = var3[var5];
stringJoiner.add(String.valueOf(i));
}
return stringJoiner.toString();
}
}
}
public static String nullSafeToString(@Nullable long[] array) {
if (array == null) {
return "null";
} else {
int length = array.length;
if (length == 0) {
return "{}";
} else {
StringJoiner stringJoiner = new StringJoiner(", ", "{", "}");
long[] var3 = array;
int var4 = array.length;
for(int var5 = 0; var5 < var4; ++var5) {
long l = var3[var5];
stringJoiner.add(String.valueOf(l));
}
return stringJoiner.toString();
}
}
}
public static String nullSafeToString(@Nullable short[] array) {
if (array == null) {
return "null";
} else {
int length = array.length;
if (length == 0) {
return "{}";
} else {
StringJoiner stringJoiner = new StringJoiner(", ", "{", "}");
short[] var3 = array;
int var4 = array.length;
for(int var5 = 0; var5 < var4; ++var5) {
short s = var3[var5];
stringJoiner.add(String.valueOf(s));
}
return stringJoiner.toString();
}
}
}
private static boolean isSimpleValueType(Class type) {
return Void.class != type && Void.TYPE != type && (ClassUtils.isPrimitiveOrWrapper(type) || Enum.class.isAssignableFrom(type) || CharSequence.class.isAssignableFrom(type) || Number.class.isAssignableFrom(type) || Date.class.isAssignableFrom(type) || Temporal.class.isAssignableFrom(type) || ZoneId.class.isAssignableFrom(type) || TimeZone.class.isAssignableFrom(type) || File.class.isAssignableFrom(type) || Path.class.isAssignableFrom(type) || Charset.class.isAssignableFrom(type) || Currency.class.isAssignableFrom(type) || InetAddress.class.isAssignableFrom(type) || URI.class == type || URL.class == type || UUID.class == type || Locale.class == type || Pattern.class == type || Class.class == type);
}
}
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