org.apache.xmlbeans.impl.validator.ValidatorUtil 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.validator;

import org.apache.xmlbeans.SchemaType;
import org.apache.xmlbeans.XmlCursor;
import org.apache.xmlbeans.impl.common.PrefixResolver;
import org.apache.xmlbeans.impl.common.ValidatorListener;
import org.apache.xmlbeans.impl.common.XmlWhitespace;

import javax.xml.namespace.QName;
import java.util.Collection;

/**
 * Author: Cezar Andrei (cezar.andrei at bea.com)
 * Date: Feb 5, 2004
 */
public class ValidatorUtil
{
    private static class EventImpl implements ValidatorListener.Event
    {
        PrefixResolver _prefixResolver;
        String _text;

        EventImpl(PrefixResolver prefixResolver, String text)
        {
            _prefixResolver = prefixResolver;
            _text = text;
        }

        // can return null, used only to locate errors
        public XmlCursor getLocationAsCursor()
        {
            return null;
        }

        public javax.xml.stream.Location getLocation()
        {
            return null;
        }

        // fill up chars with the xsi:type attribute value if there is one othervise return false
        public String getXsiType() // BEGIN xsi:type
        {
            return null;
        }

        // fill up chars with xsi:nill attribute value if any
        public String getXsiNil() // BEGIN xsi:nil
        {
            return null;
        }

        public String getXsiLoc() // BEGIN xsi:schemaLocation
        {
            return null;
        }

        public String getXsiNoLoc() // BEGIN xsi:noNamespaceSchemaLocation
        {
            return null;
        }

        // On START and ATTR
        public QName getName()
        {
            return null;
        }

        // On TEXT and ATTR
        public String getText()
        {
            return _text;
        }

        public String getText(int wsr)
        {
            return XmlWhitespace.collapse( _text, wsr );
        }

        public boolean textIsWhitespace()
        {
            return false;
        }

        public String getNamespaceForPrefix(String prefix)
        {
            return _prefixResolver.getNamespaceForPrefix(prefix);
        }
    }

    public static boolean validateSimpleType (
        SchemaType type, String value, Collection errors, PrefixResolver prefixResolver )
    {
        if (!type.isSimpleType() && type.getContentType() != SchemaType.SIMPLE_CONTENT)
        {
            assert false;
            throw new RuntimeException( "Not a simple type" );
        }

        Validator validator =
                new Validator(
                        type, null, type.getTypeSystem(), null, errors);

        //make only one event at the beginning and than reuse it
        EventImpl ev = new EventImpl(prefixResolver, value);

        validator.nextEvent(ValidatorListener.BEGIN, ev);

        validator.nextEvent(ValidatorListener.TEXT, ev);

        validator.nextEvent(ValidatorListener.END, ev);

        return validator.isValid();
    }

//    public static void main(String[] args)
//    {
//        String value;
//        value = "  +1.2323 ";
//        System.out.println("float " + validateSimpleType(XmlFloat.type, value, null , null));
//        value = " +234  ";
//        System.out.println("posInt " + validateSimpleType(XmlPositiveInteger.type, value, null , null));
//        value = "2001-01-01";
//        System.out.println("IntOrDateUnion " + validateSimpleType(DocDocument.Doc.IntOrDateUnion.type, value, null , null));
//        value = "232321";
//        System.out.println("IntOrDateUnion " + validateSimpleType(DocDocument.Doc.IntOrDateUnion.type, value, null , null));
//    }
}