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Added identicalValues() method to Numbers utility class
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@salmonb
salmonb committed Jan 30, 2024
1 parent 09a18a0 commit 968b67e
Showing 1 changed file with 137 additions and 65 deletions.
202 changes: 137 additions & 65 deletions webfx-platform-util/src/main/java/dev/webfx/platform/util/Numbers.java
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Original file line number Diff line number Diff line change
Expand Up @@ -5,21 +5,21 @@
*/
public final class Numbers {

public static final Byte ZERO_BYTE = 0;
public static final Short ZERO_SHORT = 0;
public static final Integer ZERO_INTEGER = 0;
public static final Long ZERO_LONG = 0L;
public static final Float ZERO_FLOAT = 0f;
public static final Double ZERO_DOUBLE = 0d;
public static final Float ZERO_FLOAT = 0f;
public static final Long ZERO_LONG = 0L;
public static final Integer ZERO_INTEGER = 0;
public static final Short ZERO_SHORT = 0;
public static final Byte ZERO_BYTE = 0;

public static boolean isZero(Object value) {
return value != null && (
value == ZERO_BYTE ||
value == ZERO_SHORT ||
value == ZERO_INTEGER ||
value == ZERO_LONG ||
value.equals(ZERO_DOUBLE) ||
value.equals(ZERO_FLOAT) ||
value.equals(ZERO_DOUBLE));
value == ZERO_LONG ||
value == ZERO_INTEGER ||
value == ZERO_SHORT ||
value == ZERO_BYTE);
}

public static boolean isNotZero(Object value) {
Expand All @@ -30,132 +30,151 @@ public static boolean isPositive(Number number) {
return number != null && number.intValue() >= 0;
}

public static boolean isNegative(Number number) {
return number != null && number.intValue() < 0;
}

public static Object negate(Object value) {
return negate((Number) value);
}

public static Number negate(Number value) {
if (value == null)
return null;
if (value instanceof Byte)
return -(Byte) value;
if (value instanceof Short)
return -(Short) value;
if (value instanceof Integer)
return -(Integer) value;
if (value instanceof Long)
return -(Long) value;
if (value instanceof Float)
return -(Float) value;
if (value instanceof Double)
return -(Double) value;
if (value instanceof Float)
return -(Float) value;
if (value instanceof Long)
return -(Long) value;
if (value instanceof Integer)
return -(Integer) value;
if (value instanceof Short)
return -(Short) value;
if (value instanceof Byte)
return -(Byte) value;
return null;
}

public static boolean isNumber(Object value) {
return value instanceof Number;
}

public static Integer asInteger(Object value) {
return value == null ? null : value instanceof Integer ? (Integer) value : value instanceof Number ? ((Number) value).intValue() : null;
public static boolean isMathematicalInteger(float value) {
return Float.isFinite(value) && value % 1 == 0;
}

public static Long asLong(Object value) {
return value == null ? null : value instanceof Long ? (Long) value : value instanceof Number ? ((Number) value).longValue() : null;
public static boolean isMathematicalInteger(double value) {
return Double.isFinite(value) && value % 1 == 0;
}

public static Float asFloat(Object value) {
return value == null ? null : value instanceof Float ? (Float) value : value instanceof Number ? ((Number) value).floatValue() : null;
public static boolean isMathematicalInteger(Number value) {
if (value == null)
return false;
if (value instanceof Double)
return isMathematicalInteger(value.doubleValue());
if (value instanceof Float)
return isMathematicalInteger(value.floatValue());
return true; // for Long, Integer, Short & Byte
}

public static Double asDouble(Object value) {
return value == null ? null : value instanceof Double ? (Double) value : value instanceof Number ? ((Number) value).doubleValue() : null;
}

public static Byte asByte(Object value){
return value == null ? null : value instanceof Byte ? (Byte) value : value instanceof Number ? ((Number) value).byteValue() : null;
public static Float asFloat(Object value) {
return value == null ? null : value instanceof Float ? (Float) value : value instanceof Number ? ((Number) value).floatValue() : null;
}

public static Long asLong(Object value) {
return value == null ? null : value instanceof Long ? (Long) value : value instanceof Number ? ((Number) value).longValue() : null;
}

public static Short asShort(Object value){
return value == null ? null : value instanceof Short ? (Short) value : value instanceof Number ? ((Number) value).shortValue() : null;
}

public static Integer parseInteger(String s) {
public static Integer asInteger(Object value) {
return value == null ? null : value instanceof Integer ? (Integer) value : value instanceof Number ? ((Number) value).intValue() : null;
}

public static Byte asByte(Object value){
return value == null ? null : value instanceof Byte ? (Byte) value : value instanceof Number ? ((Number) value).byteValue() : null;
}

public static Double parseDouble(String s) {
if (s == null)
return null;
try {
return Integer.parseInt(s);
return Double.parseDouble(s);
} catch (NumberFormatException e) {
return null;
}
}

public static Long parseLong(String s) {
public static Float parseFloat(String s) {
if (s == null)
return null;
try {
return Long.parseLong(s);
return Float.parseFloat(s);
} catch (NumberFormatException e) {
return null;
}
}

public static Float parseFloat(String s) {
public static Long parseLong(String s) {
if (s == null)
return null;
try {
return Float.parseFloat(s);
return Long.parseLong(s);
} catch (NumberFormatException e) {
return null;
}
}

public static Double parseDouble(String s) {
public static Integer parseInteger(String s) {
if (s == null)
return null;
try {
return Double.parseDouble(s);
return Integer.parseInt(s);
} catch (NumberFormatException e) {
return null;
}
}

public static Byte parseByte(String s) {
public static Short parseShort(String s) {
if (s == null)
return null;
try {
return Byte.parseByte(s);
return Short.parseShort(s);
} catch (NumberFormatException e) {
return null;
}
}

public static Short parseShort(String s) {
public static Byte parseByte(String s) {
if (s == null)
return null;
try {
return Short.parseShort(s);
return Byte.parseByte(s);
} catch (NumberFormatException e) {
return null;
}
}

public static Number parseShortestNumber(String s) {
return toShortestNumber(parseLong(s));
Long longValue = parseLong(s);
if (longValue == null)
return Double.valueOf(s);
return toShortestNumber(longValue);
}

public static Integer toInteger(Object value) {
Integer number = asInteger(value);
if (number != null || value == null)
return number;
return parseInteger(value.toString());
}

public static Long toLong(Object value) {
Long number = asLong(value);
public static Double toDouble(Object value) {
Double number = asDouble(value);
if (number != null || value == null)
return number;
return parseLong(value.toString());
return parseDouble(value.toString());
}

public static Float toFloat(Object value) {
Expand All @@ -165,18 +184,18 @@ public static Float toFloat(Object value) {
return parseFloat(value.toString());
}

public static Double toDouble(Object value) {
Double number = asDouble(value);
public static Integer toInteger(Object value) {
Integer number = asInteger(value);
if (number != null || value == null)
return number;
return parseDouble(value.toString());
return parseInteger(value.toString());
}

public static Byte toByte(Object value) {
Byte number = asByte(value);
public static Long toLong(Object value) {
Long number = asLong(value);
if (number != null || value == null)
return number;
return parseByte(value.toString());
return parseLong(value.toString());
}

public static Short toShort(Object value) {
Expand All @@ -186,6 +205,36 @@ public static Short toShort(Object value) {
return parseShort(value.toString());
}

public static Byte toByte(Object value) {
Byte number = asByte(value);
if (number != null || value == null)
return number;
return parseByte(value.toString());
}


public static Number toShortestNumber(Double value) {
if (value == null)
return null;
if (isMathematicalInteger(value)) {
long l = value.longValue();
if (value == l)
return toShortestNumber(l);
}
return value;
}

public static Number toShortestNumber(Float value) {
if (value == null)
return null;
if (isMathematicalInteger(value)) {
long l = value.longValue();
if (value == l)
return toShortestNumber(l);
}
return value;
}

public static Number toShortestNumber(Long value) {
if (value == null)
return null;
Expand Down Expand Up @@ -217,13 +266,23 @@ public static Number toShortestNumber(Byte value) {
return value;
}

public static int intValue(Object value) {
Integer number = toInteger(value);
return number == null ? 0 : number;
public static Number toShortestNumber(Number value) {
if (value instanceof Double)
return toShortestNumber((Double) value);
if (value instanceof Float)
return toShortestNumber((Float) value);
if (value instanceof Long)
return toShortestNumber((Long) value);
if (value instanceof Integer)
return toShortestNumber((Integer) value);
if (value instanceof Short)
return toShortestNumber((Short) value);
return value;
}

public static long longValue(Object value) {
Long number = toLong(value);

public static double doubleValue(Object value) {
Double number = toDouble(value);
return number == null ? 0 : number;
}

Expand All @@ -232,13 +291,13 @@ public static float floatValue(Object value) {
return number == null ? 0 : number;
}

public static double doubleValue(Object value) {
Double number = toDouble(value);
public static long longValue(Object value) {
Long number = toLong(value);
return number == null ? 0 : number;
}

public static byte byteValue(Object value) {
Byte number = toByte(value);
public static int intValue(Object value) {
Integer number = toInteger(value);
return number == null ? 0 : number;
}

Expand All @@ -247,6 +306,19 @@ public static short shortValue(Object value) {
return number == null ? 0 : number;
}

public static byte byteValue(Object value) {
Byte number = toByte(value);
return number == null ? 0 : number;
}

public static boolean identicalValues(Number n1, Number n2) {
if (java.util.Objects.equals(n1, n2))
return true;
if (!isMathematicalInteger(n1) || !isMathematicalInteger(n2))
return false;
return java.util.Objects.equals(toShortestNumber(n1), toShortestNumber(n2));
}

public static String twoDigits(int i) {
return i < 10 ? "0" + i : Integer.toString(i);
}
Expand Down

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