| /* Copyright 2004 The Apache Software Foundation |
| * |
| * 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.apache.xmlbeans.impl.values; |
| |
| import org.apache.xmlbeans.XmlObject; |
| import org.apache.xmlbeans.SchemaType; |
| import org.apache.xmlbeans.impl.schema.BuiltinSchemaTypeSystem; |
| import org.apache.xmlbeans.impl.common.ValidationContext; |
| import org.apache.xmlbeans.impl.util.XsTypeConverter; |
| |
| import java.math.BigDecimal; |
| import java.math.BigInteger; |
| |
| public abstract class JavaDoubleHolder extends XmlObjectBase |
| { |
| public SchemaType schemaType() |
| { return BuiltinSchemaTypeSystem.ST_DOUBLE; } |
| |
| double _value; |
| |
| // SIMPLE VALUE ACCESSORS BELOW ------------------------------------------- |
| |
| // gets/sets raw text value |
| protected String compute_text(NamespaceManager nsm) { return serialize(_value); } |
| |
| public static String serialize(double d) |
| { |
| if (d == Double.POSITIVE_INFINITY) |
| return "INF"; |
| else if (d == Double.NEGATIVE_INFINITY) |
| return "-INF"; |
| else if (d == Double.NaN) |
| return "NaN"; |
| else |
| return Double.toString(d); |
| } |
| protected void set_text(String s) |
| { |
| set_double(validateLexical(s,_voorVc)); |
| } |
| public static double validateLexical(String v, ValidationContext context) |
| { |
| try |
| { |
| return XsTypeConverter.lexDouble(v); |
| } |
| catch(NumberFormatException e) |
| { |
| context.invalid("Invalid double value"); |
| |
| return Double.NaN; |
| } |
| } |
| protected void set_nil() |
| { |
| _value = 0.0; |
| } |
| |
| // numerics: fractional |
| public BigDecimal bigDecimalValue() { check_dated(); return new BigDecimal(_value); } |
| public double doubleValue() { check_dated(); return _value; } |
| public float floatValue() { check_dated(); return (float)_value; } |
| |
| // setters |
| protected void set_double(double v) { _value = v; } |
| protected void set_float(float v) { set_double((double)v); } |
| protected void set_long(long v) { set_double((double)v); } |
| protected void set_BigDecimal(BigDecimal v) { set_double(v.doubleValue()); } |
| protected void set_BigInteger(BigInteger v) { set_double(v.doubleValue()); } |
| |
| // comparators |
| protected int compare_to(XmlObject d) |
| { |
| return compare(_value,((XmlObjectBase)d).doubleValue()); |
| } |
| static int compare(double thisValue, double thatValue) |
| { |
| if (thisValue < thatValue) return -1; |
| if (thisValue > thatValue) return 1; |
| |
| long thisBits = Double.doubleToLongBits(thisValue); |
| long thatBits = Double.doubleToLongBits(thatValue); |
| |
| return thisBits == thatBits ? 0 : thisBits < thatBits ? -1 : 1; |
| } |
| |
| protected boolean equal_to(XmlObject d) |
| { |
| return compare(_value, ((XmlObjectBase)d).doubleValue()) == 0; |
| } |
| |
| protected int value_hash_code() |
| { |
| long v = Double.doubleToLongBits(_value); |
| return (int)((v >> 32) * 19 + v); |
| } |
| } |