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* Copyright 2009 IBM. All rights reserved.
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* 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
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* obtain a copy of the License at http://odftoolkit.org/docs/license.txt
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package org.odftoolkit.odfdom.type;
import java.util.logging.Level;
import java.util.logging.Logger;
import org.apache.xerces.impl.dv.InvalidDatatypeValueException;
import org.apache.xerces.impl.dv.SchemaDVFactory;
import org.apache.xerces.impl.dv.ValidatedInfo;
import org.apache.xerces.impl.dv.XSSimpleType;
import org.apache.xerces.impl.validation.ValidationState;
/** This class validates string to be valid W3C schema data types.
In general it takes advantage of already existing underlying parser functionality and encapsulates it */
class W3CSchemaType {
// validate the content by the dataType which is defined in XML schema
static boolean isValid(String dataType, String content) {
boolean isValid = false;
try {
// SchemaDVFactory / Enumeration Dataype
XSSimpleType simpleType = SchemaDVFactory.getInstance().getBuiltInType(dataType);
if (simpleType != null) {
simpleType.validate(content, new ValidationState(), new ValidatedInfo());
isValid = true; //Xerces docu is a little weak, we assume it works this way
} else {
throw new IllegalArgumentException("Datatype " + dataType + " does not exist!");
}
} catch (InvalidDatatypeValueException e) {
isValid = false;
Logger.getLogger(W3CSchemaType.class.getName()).log(Level.FINE, content + "is not of datatype " + dataType + "!", e);
}
return isValid;
}
private W3CSchemaType() {
}
}