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common.java.Number.NumberHelper Maven / Gradle / Ivy
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package common.java.Number;
import common.java.String.StringHelper;
import java.math.BigDecimal;
import java.math.BigInteger;
public class NumberHelper {
public static long number2long(Object in) {
long r = 0;
if (in == null) {
return r;
}
try {
if (in instanceof Long) {
r = (Long) in;
} else if (in instanceof Integer) {
r = ((Integer) in).longValue();
} else if (in instanceof String) {
r = Long.valueOf(((String) in).trim());
} else if (in instanceof Double) {
r = ((Double) in).longValue();
} else if (in instanceof Float) {
r = ((Float) in).longValue();
} else if (in instanceof Boolean) {
r = (Boolean) in ? 0 : 1;
} else if (in instanceof BigInteger) {
r = ((BigInteger) in).longValue();
} else if (in instanceof BigDecimal) {
r = ((BigDecimal) in).longValue();
}
} catch (Exception e) {
r = 0;
}
return r;
}
public static int number2int(Object in) {
int r = 0;
if (in == null) {
return r;
}
try {
if (in instanceof Long) {
r = ((Long) in).intValue();
} else if (in instanceof Integer) {
r = (Integer) in;
} else if (in instanceof String) {
r = Integer.valueOf(((String) in).trim());
} else if (in instanceof Double) {
r = ((Double) in).intValue();
} else if (in instanceof Float) {
r = ((Float) in).intValue();
} else if (in instanceof Boolean) {
r = (Boolean) in ? 0 : 1;
} else if (in instanceof BigInteger) {
r = ((BigInteger) in).intValue();
} else if (in instanceof BigDecimal) {
r = ((BigDecimal) in).intValue();
}
} catch (Exception e) {
r = 0;
}
return r;
}
public static float number2float(Object in) {
float r = 0.f;
if (in == null) {
return r;
}
try {
if (in instanceof Long) {
r = ((Long) in).floatValue();
} else if (in instanceof Integer) {
r = ((Integer) in).floatValue();
} else if (in instanceof String) {
r = Float.valueOf(((String) in).trim());
} else if (in instanceof Double) {
r = ((Double) in).floatValue();
} else if (in instanceof Float) {
r = (Float) in;
} else if (in instanceof Boolean) {
r = (Boolean) in ? 0.0f : 1.0f;
} else if (in instanceof BigInteger) {
r = ((BigInteger) in).floatValue();
} else if (in instanceof BigDecimal) {
r = ((BigDecimal) in).floatValue();
}
} catch (Exception e) {
r = 0.f;
}
return r;
}
public static double number2double(Object in) {
double r = 0.d;
if (in == null) {
return r;
}
try {
if (in instanceof Long) {
r = ((Long) in).doubleValue();
} else if (in instanceof Integer) {
r = ((Integer) in).doubleValue();
} else if (in instanceof String) {
r = Double.valueOf(((String) in).trim());
} else if (in instanceof Double) {
r = ((Double) in);
} else if (in instanceof Float) {
r = ((Float) in).doubleValue();
} else if (in instanceof Boolean) {
r = (Boolean) in ? 0.0d : 1.0d;
} else if (in instanceof BigInteger) {
r = ((BigInteger) in).doubleValue();
} else if (in instanceof BigDecimal) {
r = ((BigDecimal) in).doubleValue();
}
} catch (Exception e) {
r = 0.d;
}
return r;
}
public static boolean isNumeric(Object str) {
var v = StringHelper.toString(str);
if (v == null) {
return false;
}
for (int i = v.length(); --i >= 0; ) {
if (!Character.isDigit(v.charAt(i))) {
return false;
}
}
return true;
}
}
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