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With inspiration from other libraries
/**
* MVEL 2.0
* Copyright (C) 2007 The Codehaus
* Mike Brock, Dhanji Prasanna, John Graham, Mark Proctor
*
* 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.
*/
package org.mvel2.math;
import org.mvel2.DataTypes;
import org.mvel2.Unit;
import org.mvel2.compiler.BlankLiteral;
import org.mvel2.debug.DebugTools;
import org.mvel2.util.InternalNumber;
import java.math.BigDecimal;
import java.math.BigInteger;
import java.math.MathContext;
import java.util.ArrayList;
import java.util.Collection;
import java.util.List;
import static java.lang.String.valueOf;
import static org.mvel2.DataConversion.convert;
import static org.mvel2.DataTypes.BIG_DECIMAL;
import static org.mvel2.DataTypes.EMPTY;
import static org.mvel2.Operator.*;
import static org.mvel2.util.ParseTools.*;
import static org.mvel2.util.Soundex.soundex;
/**
* @author Christopher Brock
*/
public strictfp class MathProcessor {
private static final MathContext MATH_CONTEXT = MathContext.DECIMAL128;
public static Object doOperations(Object val1, int operation, Object val2) {
return doOperations(val1 == null ? DataTypes.OBJECT : __resolveType(val1.getClass()),
val1, operation,
val2 == null ? DataTypes.NULL : __resolveType(val2.getClass()), val2);
}
public static Object doOperations(Object val1, int operation, int type2, Object val2) {
return doOperations(val1 == null ? DataTypes.OBJECT : __resolveType(val1.getClass()), val1, operation, type2, val2);
}
public static Object doOperations(int type1, Object val1, int operation, int type2, Object val2) {
if (type1 == -1)
type1 = val1 == null ? DataTypes.OBJECT : __resolveType(val1.getClass());
if (type2 == -1)
type2 = val2 == null ? DataTypes.OBJECT : __resolveType(val2.getClass());
switch (type1) {
case BIG_DECIMAL:
switch (type2) {
case BIG_DECIMAL:
return doBigDecimalArithmetic((BigDecimal) val1, operation, (BigDecimal) val2, false, -1);
default:
if (type2 > 99) {
return doBigDecimalArithmetic((BigDecimal) val1, operation, getInternalNumberFromType(val2, type2), false, -1);
}
else {
return _doOperations(type1, val1, operation, type2, val2);
}
}
default:
return _doOperations(type1, val1, operation, type2, val2);
}
}
private static Object doPrimWrapperArithmetic(final Number val1, final int operation, final Number val2, boolean iNumber, int returnTarget) {
switch (operation) {
case ADD:
return toType(val1.doubleValue() + val2.doubleValue(), returnTarget);
case DIV:
return toType(val1.doubleValue() / val2.doubleValue(), returnTarget);
case SUB:
return toType(val1.doubleValue() - val2.doubleValue(), returnTarget);
case MULT:
return toType(val1.doubleValue() * val2.doubleValue(), returnTarget);
case POWER:
return toType(Math.pow(val1.doubleValue(), val2.doubleValue()), returnTarget);
case MOD:
return toType(val1.doubleValue() % val2.doubleValue(), returnTarget);
case GTHAN:
return val1.doubleValue() > val2.doubleValue() ? Boolean.TRUE : Boolean.FALSE;
case GETHAN:
return val1.doubleValue() >= val2.doubleValue() ? Boolean.TRUE : Boolean.FALSE;
case LTHAN:
return val1.doubleValue() < val2.doubleValue() ? Boolean.TRUE : Boolean.FALSE;
case LETHAN:
return val1.doubleValue() <= val2.doubleValue() ? Boolean.TRUE : Boolean.FALSE;
case EQUAL:
return val1.doubleValue() == val2.doubleValue() ? Boolean.TRUE : Boolean.FALSE;
case NEQUAL:
return val1.doubleValue() != val2.doubleValue() ? Boolean.TRUE : Boolean.FALSE;
}
return null;
}
private static Object toType(Number val, int returnType) {
switch (returnType) {
case DataTypes.W_DOUBLE:
case DataTypes.DOUBLE:
return val.doubleValue();
case DataTypes.W_FLOAT:
case DataTypes.FLOAT:
return val.floatValue();
case DataTypes.INTEGER:
case DataTypes.W_INTEGER:
return val.intValue();
case DataTypes.W_LONG:
case DataTypes.LONG:
return val.longValue();
case DataTypes.W_SHORT:
case DataTypes.SHORT:
return val.shortValue();
case DataTypes.BIG_DECIMAL:
return new BigDecimal(val.doubleValue());
case DataTypes.BIG_INTEGER:
return BigInteger.valueOf(val.longValue());
case DataTypes.STRING:
return val.doubleValue();
}
throw new RuntimeException("internal error: " + returnType);
}
private static Object doBigDecimalArithmetic(final BigDecimal val1, final int operation, final BigDecimal val2, boolean iNumber, int returnTarget) {
switch (operation) {
case ADD:
if (iNumber) {
return narrowType(val1.add(val2, MATH_CONTEXT), returnTarget);
}
else {
return val1.add(val2, MATH_CONTEXT);
}
case DIV:
if (iNumber) {
return narrowType(val1.divide(val2, MATH_CONTEXT), returnTarget);
}
else {
return val1.divide(val2, MATH_CONTEXT);
}
case SUB:
if (iNumber) {
return narrowType(val1.subtract(val2, MATH_CONTEXT), returnTarget);
}
else {
return val1.subtract(val2, MATH_CONTEXT);
}
case MULT:
if (iNumber) {
return narrowType(val1.multiply(val2, MATH_CONTEXT), returnTarget);
}
else {
return val1.multiply(val2, MATH_CONTEXT);
}
case POWER:
if (iNumber) {
return narrowType(val1.pow(val2.intValue(), MATH_CONTEXT), returnTarget);
}
else {
return val1.pow(val2.intValue(), MATH_CONTEXT);
}
case MOD:
if (iNumber) {
return narrowType(val1.remainder(val2), returnTarget);
}
else {
return val1.remainder(val2);
}
case GTHAN:
return val1.compareTo(val2) == 1 ? Boolean.TRUE : Boolean.FALSE;
case GETHAN:
return val1.compareTo(val2) >= 0 ? Boolean.TRUE : Boolean.FALSE;
case LTHAN:
return val1.compareTo(val2) == -1 ? Boolean.TRUE : Boolean.FALSE;
case LETHAN:
return val1.compareTo(val2) <= 0 ? Boolean.TRUE : Boolean.FALSE;
case EQUAL:
return val1.compareTo(val2) == 0 ? Boolean.TRUE : Boolean.FALSE;
case NEQUAL:
return val1.compareTo(val2) != 0 ? Boolean.TRUE : Boolean.FALSE;
}
return null;
}
private static Object _doOperations(int type1, Object val1, int operation, int type2, Object val2) {
if (operation < 20) {
if (((type1 > 49 || operation == EQUAL || operation == NEQUAL) && type1 == type2) ||
(isIntegerType(type1) && isIntegerType(type2) && operation >= BW_AND && operation <= BW_NOT)) {
return doOperationsSameType(type1, val1, operation, val2);
}
else if (isNumericOperation(type1, val1, operation, type2, val2)) {
return doPrimWrapperArithmetic(getNumber(val1, type1),
operation,
getNumber(val2, type2), true, box(type2) > box(type1) ? box(type2) : box(type1));
}
else if (operation != ADD &&
(type1 == DataTypes.W_BOOLEAN || type2 == DataTypes.W_BOOLEAN) &&
type1 != type2 && type1 != EMPTY && type2 != EMPTY) {
return doOperationNonNumeric(type1, convert(val1, Boolean.class), operation, convert(val2, Boolean.class));
}
// Fix for: MVEL-56
else if ((type1 == 1 || type2 == 1) && (type1 == 8 || type1 == 112 || type2 == 8 || type2 == 112)) {
if (type1 == 1) {
return doOperationNonNumeric(type1, val1, operation, valueOf(val2));
}
else {
return doOperationNonNumeric(type1, valueOf(val1), operation, val2);
}
}
}
return doOperationNonNumeric(type1, val1, operation, val2);
}
private static boolean isNumericOperation(int type1, Object val1, int operation, int type2, Object val2) {
return (type1 > 99 && type2 > 99)
|| (operation != ADD && (type1 > 99 || type2 > 99 || operation < LTHAN || operation > GETHAN) && isNumber(val1) && isNumber(val2));
}
private static boolean isIntegerType(int type) {
return type == DataTypes.INTEGER || type == DataTypes.W_INTEGER || type == DataTypes.LONG || type == DataTypes.W_LONG;
}
private static Object doOperationNonNumeric(int type1, final Object val1, final int operation, final Object val2) {
switch (operation) {
case ADD:
if (type1 == DataTypes.COLLECTION) {
List list = new ArrayList((Collection) val1);
list.add(val2);
return list;
}
else {
return valueOf(val1) + valueOf(val2);
}
case EQUAL:
return safeEquals(val2, val1) ? Boolean.TRUE : Boolean.FALSE;
case NEQUAL:
return safeNotEquals(val2, val1) ? Boolean.TRUE : Boolean.FALSE;
case SUB:
case DIV:
case MULT:
case MOD:
case GTHAN:
if (val1 instanceof Comparable) {
try {
return val2 != null && (((Comparable) val1).compareTo(val2) >= 1 ? Boolean.TRUE : Boolean.FALSE);
}
catch (ClassCastException e) {
throw new RuntimeException("uncomparable values <<" + val1 + ">> and <<" + val2 + ">>", e);
}
}
else {
return Boolean.FALSE;
}
// break;
case GETHAN:
if (val1 instanceof Comparable) {
//noinspection unchecked
try {
return val2 != null && ((Comparable) val1).compareTo(val2) >= 0 ? Boolean.TRUE : Boolean.FALSE;
}
catch (ClassCastException e) {
throw new RuntimeException("uncomparable values <<" + val1 + ">> and <<" + val2 + ">>", e);
}
}
else {
return Boolean.FALSE;
}
case LTHAN:
if (val1 instanceof Comparable) {
//noinspection unchecked
try {
return val2 != null && ((Comparable) val1).compareTo(val2) <= -1 ? Boolean.TRUE : Boolean.FALSE;
}
catch (ClassCastException e) {
throw new RuntimeException("uncomparable values <<" + val1 + ">> and <<" + val2 + ">>", e);
}
}
else {
return Boolean.FALSE;
}
case LETHAN:
if (val1 instanceof Comparable) {
//noinspection unchecked
try {
return val2 != null && ((Comparable) val1).compareTo(val2) <= 0 ? Boolean.TRUE : Boolean.FALSE;
}
catch (ClassCastException e) {
throw new RuntimeException("uncomparable values <<" + val1 + ">> and <<" + val2 + ">>", e);
}
}
else {
return Boolean.FALSE;
}
case SOUNDEX:
return soundex(String.valueOf(val1)).equals(soundex(String.valueOf(val2)));
case STR_APPEND:
return valueOf(val1) + valueOf(val2);
}
throw new RuntimeException("could not perform numeric operation on non-numeric types: left-type="
+ (val1 != null ? val1.getClass().getName() : "null") + "; right-type="
+ (val2 != null ? val2.getClass().getName() : "null")
+ " [vals (" + valueOf(val1) + ", " + valueOf(val2) + ") operation=" + DebugTools.getOperatorName(operation) + " (opcode:" + operation + ") ]");
}
private static Boolean safeEquals(final Object val1, final Object val2) {
if (val1 != null) {
return val1.equals(val2) ? Boolean.TRUE : Boolean.FALSE;
}
else return val2 == null || (val2.equals(val1) ? Boolean.TRUE : Boolean.FALSE);
}
private static Boolean safeNotEquals(final Object val1, final Object val2) {
if (val1 != null) {
return !val1.equals(val2) ? Boolean.TRUE : Boolean.FALSE;
}
else return (val2 != null && !val2.equals(val1)) ? Boolean.TRUE : Boolean.FALSE;
}
private static Object doOperationsSameType(int type1, Object val1, int operation, Object val2) {
switch (type1) {
case DataTypes.COLLECTION:
switch (operation) {
case ADD:
List list = new ArrayList((Collection) val1);
list.addAll((Collection) val2);
return list;
case EQUAL:
return val1.equals(val2);
case NEQUAL:
return !val1.equals(val2);
default:
throw new UnsupportedOperationException("illegal operation on Collection type");
}
case DataTypes.INTEGER:
case DataTypes.W_INTEGER:
switch (operation) {
case ADD:
return ((Integer) val1) + ((Integer) val2);
case SUB:
return ((Integer) val1) - ((Integer) val2);
case DIV:
return ((Integer) val1).doubleValue() / ((Integer) val2).doubleValue();
case MULT:
return ((Integer) val1) * ((Integer) val2);
case POWER:
double d = Math.pow((Integer) val1, (Integer) val2);
if (d > Integer.MAX_VALUE) return d;
else return (int) d;
case MOD:
return ((Integer) val1) % ((Integer) val2);
case GTHAN:
return ((Integer) val1) > ((Integer) val2) ? Boolean.TRUE : Boolean.FALSE;
case GETHAN:
return ((Integer) val1) >= ((Integer) val2) ? Boolean.TRUE : Boolean.FALSE;
case LTHAN:
return ((Integer) val1) < ((Integer) val2) ? Boolean.TRUE : Boolean.FALSE;
case LETHAN:
return ((Integer) val1) <= ((Integer) val2) ? Boolean.TRUE : Boolean.FALSE;
case EQUAL:
return ((Integer) val1).intValue() == ((Integer) val2).intValue() ? Boolean.TRUE : Boolean.FALSE;
case NEQUAL:
return ((Integer) val1).intValue() != ((Integer) val2).intValue() ? Boolean.TRUE : Boolean.FALSE;
case BW_AND:
if (val2 instanceof Long) return (Integer) val1 & (Long) val2;
return (Integer) val1 & (Integer) val2;
case BW_OR:
if (val2 instanceof Long) return (Integer) val1 | (Long) val2;
return (Integer) val1 | (Integer) val2;
case BW_SHIFT_LEFT:
if (val2 instanceof Long) return (Integer) val1 << (Long) val2;
return (Integer) val1 << (Integer) val2;
case BW_SHIFT_RIGHT:
if (val2 instanceof Long) return (Integer) val1 >> (Long) val2;
return (Integer) val1 >> (Integer) val2;
case BW_USHIFT_RIGHT:
if (val2 instanceof Long) return (Integer) val1 >>> (Long) val2;
return (Integer) val1 >>> (Integer) val2;
case BW_XOR:
if (val2 instanceof Long) return (Integer) val1 ^ (Long) val2;
return (Integer) val1 ^ (Integer) val2;
}
case DataTypes.SHORT:
case DataTypes.W_SHORT:
switch (operation) {
case ADD:
return ((Short) val1) + ((Short) val2);
case SUB:
return ((Short) val1) - ((Short) val2);
case DIV:
return ((Short) val1).doubleValue() / ((Short) val2).doubleValue();
case MULT:
return ((Short) val1) * ((Short) val2);
case POWER:
double d = Math.pow((Short) val1, (Short) val2);
if (d > Short.MAX_VALUE) return d;
else return (short) d;
case MOD:
return ((Short) val1) % ((Short) val2);
case GTHAN:
return ((Short) val1) > ((Short) val2) ? Boolean.TRUE : Boolean.FALSE;
case GETHAN:
return ((Short) val1) >= ((Short) val2) ? Boolean.TRUE : Boolean.FALSE;
case LTHAN:
return ((Short) val1) < ((Short) val2) ? Boolean.TRUE : Boolean.FALSE;
case LETHAN:
return ((Short) val1) <= ((Short) val2) ? Boolean.TRUE : Boolean.FALSE;
case EQUAL:
return ((Short) val1).shortValue() == ((Short) val2).shortValue() ? Boolean.TRUE : Boolean.FALSE;
case NEQUAL:
return ((Short) val1).shortValue() != ((Short) val2).shortValue() ? Boolean.TRUE : Boolean.FALSE;
case BW_AND:
return (Short) val1 & (Short) val2;
case BW_OR:
return (Short) val1 | (Short) val2;
case BW_SHIFT_LEFT:
return (Short) val1 << (Short) val2;
case BW_SHIFT_RIGHT:
return (Short) val1 >> (Short) val2;
case BW_USHIFT_RIGHT:
return (Short) val1 >>> (Short) val2;
case BW_XOR:
return (Short) val1 ^ (Short) val2;
}
case DataTypes.LONG:
case DataTypes.W_LONG:
switch (operation) {
case ADD:
return ((Long) val1) + ((Long) val2);
case SUB:
return ((Long) val1) - ((Long) val2);
case DIV:
return ((Long) val1).doubleValue() / ((Long) val2).doubleValue();
case MULT:
return ((Long) val1) * ((Long) val2);
case POWER:
double d = Math.pow((Long) val1, (Long) val2);
if (d > Long.MAX_VALUE) return d;
else return (long) d;
case MOD:
return ((Long) val1) % ((Long) val2);
case GTHAN:
return ((Long) val1) > ((Long) val2) ? Boolean.TRUE : Boolean.FALSE;
case GETHAN:
return ((Long) val1) >= ((Long) val2) ? Boolean.TRUE : Boolean.FALSE;
case LTHAN:
return ((Long) val1) < ((Long) val2) ? Boolean.TRUE : Boolean.FALSE;
case LETHAN:
return ((Long) val1) <= ((Long) val2) ? Boolean.TRUE : Boolean.FALSE;
case EQUAL:
return ((Long) val1).longValue() == ((Long) val2).longValue() ? Boolean.TRUE : Boolean.FALSE;
case NEQUAL:
return ((Long) val1).longValue() != ((Long) val2).longValue() ? Boolean.TRUE : Boolean.FALSE;
case BW_AND:
if (val2 instanceof Integer) return (Long) val1 & (Integer) val2;
return (Long) val1 & (Long) val2;
case BW_OR:
if (val2 instanceof Integer) return (Long) val1 | (Integer) val2;
return (Long) val1 | (Long) val2;
case BW_SHIFT_LEFT:
if (val2 instanceof Integer) return (Long) val1 << (Integer) val2;
return (Long) val1 << (Long) val2;
case BW_USHIFT_LEFT:
throw new UnsupportedOperationException("unsigned left-shift not supported");
case BW_SHIFT_RIGHT:
if (val2 instanceof Integer) return (Long) val1 >> (Integer) val2;
return (Long) val1 >> (Long) val2;
case BW_USHIFT_RIGHT:
if (val2 instanceof Integer) return (Long) val1 >>> (Integer) val2;
return (Long) val1 >>> (Long) val2;
case BW_XOR:
if (val2 instanceof Integer) return (Long) val1 ^ (Integer) val2;
return (Long) val1 ^ (Long) val2;
}
case DataTypes.UNIT:
val2 = ((Unit) val1).convertFrom(val2);
val1 = ((Unit) val1).getValue();
case DataTypes.DOUBLE:
case DataTypes.W_DOUBLE:
switch (operation) {
case ADD:
return ((Double) val1) + ((Double) val2);
case SUB:
return ((Double) val1) - ((Double) val2);
case DIV:
return ((Double) val1) / ((Double) val2);
case MULT:
return ((Double) val1) * ((Double) val2);
case POWER:
return Math.pow((Double) val1, (Double) val2);
case MOD:
return ((Double) val1) % ((Double) val2);
case GTHAN:
return ((Double) val1) > ((Double) val2) ? Boolean.TRUE : Boolean.FALSE;
case GETHAN:
return ((Double) val1) >= ((Double) val2) ? Boolean.TRUE : Boolean.FALSE;
case LTHAN:
return ((Double) val1) < ((Double) val2) ? Boolean.TRUE : Boolean.FALSE;
case LETHAN:
return ((Double) val1) <= ((Double) val2) ? Boolean.TRUE : Boolean.FALSE;
case EQUAL:
return ((Double) val1).doubleValue() == ((Double) val2).doubleValue() ? Boolean.TRUE : Boolean.FALSE;
case NEQUAL:
return ((Double) val1).doubleValue() != ((Double) val2).doubleValue() ? Boolean.TRUE : Boolean.FALSE;
case BW_AND:
case BW_OR:
case BW_SHIFT_LEFT:
case BW_SHIFT_RIGHT:
case BW_USHIFT_RIGHT:
case BW_XOR:
throw new RuntimeException("bitwise operation on a non-fixed-point number.");
}
case DataTypes.FLOAT:
case DataTypes.W_FLOAT:
switch (operation) {
case ADD:
return ((Float) val1) + ((Float) val2);
case SUB:
return ((Float) val1) - ((Float) val2);
case DIV:
return ((Float) val1).doubleValue() / ((Float) val2).doubleValue();
case MULT:
return ((Float) val1) * ((Float) val2);
case POWER:
return narrowType(new InternalNumber((Float) val1, MATH_CONTEXT).pow(new InternalNumber((Float) val2).intValue(), MATH_CONTEXT), -1);
case MOD:
return ((Float) val1) % ((Float) val2);
case GTHAN:
return ((Float) val1) > ((Float) val2) ? Boolean.TRUE : Boolean.FALSE;
case GETHAN:
return ((Float) val1) >= ((Float) val2) ? Boolean.TRUE : Boolean.FALSE;
case LTHAN:
return ((Float) val1) < ((Float) val2) ? Boolean.TRUE : Boolean.FALSE;
case LETHAN:
return ((Float) val1) <= ((Float) val2) ? Boolean.TRUE : Boolean.FALSE;
case EQUAL:
return ((Float) val1).floatValue() == ((Float) val2).floatValue() ? Boolean.TRUE : Boolean.FALSE;
case NEQUAL:
return ((Float) val1).floatValue() != ((Float) val2).floatValue() ? Boolean.TRUE : Boolean.FALSE;
case BW_AND:
case BW_OR:
case BW_SHIFT_LEFT:
case BW_SHIFT_RIGHT:
case BW_USHIFT_RIGHT:
case BW_XOR:
throw new RuntimeException("bitwise operation on a non-fixed-point number.");
}
case DataTypes.BIG_INTEGER:
switch (operation) {
case ADD:
return ((BigInteger) val1).add(((BigInteger) val2));
case SUB:
return ((BigInteger) val1).subtract(((BigInteger) val2));
case DIV:
return ((BigInteger) val1).divide(((BigInteger) val2));
case MULT:
return ((BigInteger) val1).multiply(((BigInteger) val2));
case POWER:
return ((BigInteger) val1).pow(((BigInteger) val2).intValue());
case MOD:
return ((BigInteger) val1).remainder(((BigInteger) val2));
case GTHAN:
return ((BigInteger) val1).compareTo(((BigInteger) val2)) == 1 ? Boolean.TRUE : Boolean.FALSE;
case GETHAN:
return ((BigInteger) val1).compareTo(((BigInteger) val2)) >= 0 ? Boolean.TRUE : Boolean.FALSE;
case LTHAN:
return ((BigInteger) val1).compareTo(((BigInteger) val2)) == -1 ? Boolean.TRUE : Boolean.FALSE;
case LETHAN:
return ((BigInteger) val1).compareTo(((BigInteger) val2)) <= 0 ? Boolean.TRUE : Boolean.FALSE;
case EQUAL:
return ((BigInteger) val1).compareTo(((BigInteger) val2)) == 0 ? Boolean.TRUE : Boolean.FALSE;
case NEQUAL:
return ((BigInteger) val1).compareTo(((BigInteger) val2)) != 0 ? Boolean.TRUE : Boolean.FALSE;
case BW_AND:
case BW_OR:
case BW_SHIFT_LEFT:
case BW_SHIFT_RIGHT:
case BW_USHIFT_RIGHT:
case BW_XOR:
throw new RuntimeException("bitwise operation on a number greater than 32-bits not possible");
}
default:
switch (operation) {
case EQUAL:
return safeEquals(val2, val1);
case NEQUAL:
return safeNotEquals(val2, val1);
case ADD:
return valueOf(val1) + valueOf(val2);
}
}
return null;
}
private static int box(int type) {
switch (type) {
case DataTypes.INTEGER:
return DataTypes.W_INTEGER;
case DataTypes.DOUBLE:
return DataTypes.W_DOUBLE;
case DataTypes.LONG:
return DataTypes.W_LONG;
case DataTypes.SHORT:
return DataTypes.W_SHORT;
case DataTypes.BYTE:
return DataTypes.W_BYTE;
case DataTypes.FLOAT:
return DataTypes.W_FLOAT;
case DataTypes.CHAR:
return DataTypes.W_CHAR;
case DataTypes.BOOLEAN:
return DataTypes.W_BOOLEAN;
}
return type;
}
private static Double getNumber(Object in, int type) {
if (in == null || in == BlankLiteral.INSTANCE)
return 0d;
switch (type) {
case BIG_DECIMAL:
return ((Number) in).doubleValue();
case DataTypes.BIG_INTEGER:
return ((Number) in).doubleValue();
case DataTypes.INTEGER:
case DataTypes.W_INTEGER:
return ((Number) in).doubleValue();
case DataTypes.LONG:
case DataTypes.W_LONG:
return ((Number) in).doubleValue();
case DataTypes.STRING:
return Double.parseDouble((String) in);
case DataTypes.FLOAT:
case DataTypes.W_FLOAT:
return ((Number) in).doubleValue();
case DataTypes.DOUBLE:
case DataTypes.W_DOUBLE:
return (Double) in;
case DataTypes.SHORT:
case DataTypes.W_SHORT:
return ((Number) in).doubleValue();
case DataTypes.CHAR:
case DataTypes.W_CHAR:
return Double.parseDouble(String.valueOf((Character) in));
case DataTypes.BOOLEAN:
case DataTypes.W_BOOLEAN:
return ((Boolean) in) ? 1d : 0d;
case DataTypes.W_BYTE:
case DataTypes.BYTE:
return ((Byte) in).doubleValue();
}
throw new RuntimeException("cannot convert <" + in + "> to a numeric type: " + in.getClass() + " [" + type + "]");
}
private static InternalNumber getInternalNumberFromType(Object in, int type) {
if (in == null || in == BlankLiteral.INSTANCE)
return new InternalNumber(0, MATH_CONTEXT);
switch (type) {
case BIG_DECIMAL:
return new InternalNumber(((BigDecimal) in).doubleValue());
case DataTypes.BIG_INTEGER:
return new InternalNumber((BigInteger) in, MathContext.DECIMAL128);
case DataTypes.INTEGER:
case DataTypes.W_INTEGER:
return new InternalNumber((Integer) in, MathContext.DECIMAL32);
case DataTypes.LONG:
case DataTypes.W_LONG:
return new InternalNumber((Long) in, MathContext.DECIMAL64);
case DataTypes.STRING:
return new InternalNumber((String) in, MathContext.DECIMAL64);
case DataTypes.FLOAT:
case DataTypes.W_FLOAT:
return new InternalNumber((Float) in, MathContext.DECIMAL64);
case DataTypes.DOUBLE:
case DataTypes.W_DOUBLE:
return new InternalNumber((Double) in, MathContext.DECIMAL64);
case DataTypes.SHORT:
case DataTypes.W_SHORT:
return new InternalNumber((Short) in, MathContext.DECIMAL32);
case DataTypes.CHAR:
case DataTypes.W_CHAR:
return new InternalNumber((Character) in, MathContext.DECIMAL32);
case DataTypes.BOOLEAN:
case DataTypes.W_BOOLEAN:
return new InternalNumber(((Boolean) in) ? 1 : 0);
case DataTypes.UNIT:
return new InternalNumber(((Unit) in).getValue(), MathContext.DECIMAL64);
case DataTypes.W_BYTE:
case DataTypes.BYTE:
return new InternalNumber(((Byte) in).intValue());
}
throw new RuntimeException("cannot convert <" + in + "> to a numeric type: " + in.getClass() + " [" + type + "]");
}
}