org.apache.xmlbeans.impl.values.JavaDecimalHolderEx Maven / Gradle / Ivy

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The Apache Commons Codec package contains simple encoder and decoders for various formats such as Base64 and Hexadecimal. In addition to these widely used encoders and decoders, the codec package also maintains a collection of phonetic encoding utilities.
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/*   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.SchemaType;
import org.apache.xmlbeans.XmlErrorCodes;
import org.apache.xmlbeans.XmlObject;
import org.apache.xmlbeans.impl.common.ValidationContext;
import org.apache.xmlbeans.impl.common.QNameHelper;


import java.math.BigDecimal;

public abstract class JavaDecimalHolderEx extends JavaDecimalHolder
{
    private SchemaType _schemaType;

    public SchemaType schemaType()
        { return _schemaType; }

    public JavaDecimalHolderEx(SchemaType type, boolean complex)
        { _schemaType = type; initComplexType(complex, false); }

    protected void set_text(String s)
    {
        if (_validateOnSet())
            validateLexical(s, _schemaType, _voorVc);

        BigDecimal v = null;
        try {
            v = new BigDecimal(s);
        }
        catch (NumberFormatException e)
        {
            _voorVc.invalid(XmlErrorCodes.DECIMAL, new Object[] { s });
        }

        if (_validateOnSet())
            validateValue(v, _schemaType, _voorVc);

        super.set_BigDecimal(v);
    }
    
    protected void set_BigDecimal(BigDecimal v)
    {
        if (_validateOnSet())
            validateValue(v, _schemaType, _voorVc);
        super.set_BigDecimal(v);
    }
    
    public static void validateLexical(String v, SchemaType sType, ValidationContext context)
    {
        JavaDecimalHolder.validateLexical(v, context);
        
        // check pattern
        if (sType.hasPatternFacet())
        {
            if (!sType.matchPatternFacet(v))
            {
                // TODO - describe string and pattern here in error
                context.invalid(XmlErrorCodes.DATATYPE_VALID$PATTERN_VALID,
                    new Object[] { "decimal", v, QNameHelper.readable(sType) });
            }
        }
    }
    
    /**
     * Performs facet validation only.
     */

    public static void validateValue(BigDecimal v, SchemaType sType, ValidationContext context)
    {
        // fractional digits
        XmlObject fd = sType.getFacet(SchemaType.FACET_FRACTION_DIGITS);
        if (fd != null)
        {
            int scale = ((XmlObjectBase)fd).getBigIntegerValue().intValue();
            try
            {
                // used only for side-effect - this does not change v despite
                // the name of the method
                v.setScale(scale);
            }
            catch(ArithmeticException e)
            {
                // ArithmeticException will be thrown if cannot represent as an Integer
                // with this scale - i.e. would need a fraction which would correspond
                // to digits beyond the allowed number
                context.invalid(XmlErrorCodes.DATATYPE_FRACTION_DIGITS_VALID,
                    new Object[] { new Integer(v.scale()), v.toString(), new Integer(scale), QNameHelper.readable(sType) });
                return;
            }
        }

        // total digits
        XmlObject td = sType.getFacet(SchemaType.FACET_TOTAL_DIGITS);
        if (td != null)
        {
            String temp = v.unscaledValue().toString();
            int tdf = ((XmlObjectBase)td).getBigIntegerValue().intValue();
            int origLen = temp.length();
            int len = origLen;
            if (origLen > 0)
            {
                // don't count leading minus
                if (temp.charAt(0) == '-')
                {
                    len -= 1;
                }

                // don't count trailing zeros if we can absorb them into scale
                int insignificantTrailingZeros = 0;
                int vScale = v.scale();
                for(int j = origLen-1;
                    temp.charAt(j) == '0' && j > 0 && insignificantTrailingZeros < vScale;
                    j--)
                {
                    insignificantTrailingZeros++;
                }

                len -= insignificantTrailingZeros;
            }

            if (len > tdf)
            {
                context.invalid(XmlErrorCodes.DATATYPE_TOTAL_DIGITS_VALID,
                    new Object[] { new Integer(len), v.toString(), new Integer(tdf), QNameHelper.readable(sType) });
                return;
            }
        }

        // min ex
        XmlObject mine = sType.getFacet(SchemaType.FACET_MIN_EXCLUSIVE);
        if (mine != null)
        {
            BigDecimal m = ((XmlObjectBase)mine).getBigDecimalValue();
            if (v.compareTo(m) <= 0)
            {
                context.invalid(XmlErrorCodes.DATATYPE_MIN_EXCLUSIVE_VALID,
                    new Object[] { "decimal", v, m, QNameHelper.readable(sType) });
                return;
            }
        }

        // min in
        XmlObject mini = sType.getFacet(SchemaType.FACET_MIN_INCLUSIVE);
        if (mini != null)
        {
            BigDecimal m = ((XmlObjectBase)mini).getBigDecimalValue();
            if (v.compareTo(m) < 0)
            {
                context.invalid(XmlErrorCodes.DATATYPE_MIN_INCLUSIVE_VALID,
                    new Object[] { "decimal", v, m, QNameHelper.readable(sType) });
                return;
            }
        }

        // max in
        XmlObject maxi = sType.getFacet(SchemaType.FACET_MAX_INCLUSIVE);
        if (maxi != null)
        {
            BigDecimal m = ((XmlObjectBase)maxi).getBigDecimalValue();
            if (v.compareTo(m) > 0)
            {
                context.invalid(XmlErrorCodes.DATATYPE_MAX_INCLUSIVE_VALID,
                    new Object[] { "decimal", v, m, QNameHelper.readable(sType) });
                return;
            }
        }

        // max ex
        XmlObject maxe = sType.getFacet(SchemaType.FACET_MAX_EXCLUSIVE);
        if (maxe != null)
        {
            BigDecimal m = ((XmlObjectBase)maxe).getBigDecimalValue();
            if (v.compareTo(m) >= 0)
            {
                context.invalid(XmlErrorCodes.DATATYPE_MAX_EXCLUSIVE_VALID,
                    new Object[] { "decimal", v, m, QNameHelper.readable(sType) });
                return;
            }
        }

        // enumeration
        XmlObject[] vals = sType.getEnumerationValues();
        if (vals != null)
        {
            for (int i = 0; i < vals.length; i++)
                if (v.equals(((XmlObjectBase)vals[i]).getBigDecimalValue()))
                    return;
            context.invalid(XmlErrorCodes.DATATYPE_ENUM_VALID,
                new Object[] { "decimal", v, QNameHelper.readable(sType) });
        }
    }
    
    protected void validate_simpleval(String lexical, ValidationContext ctx)
    {
        validateLexical(lexical, schemaType(), ctx);
        validateValue(getBigDecimalValue(), schemaType(), ctx);
    }

}