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/*
 * Copyright 2012 International Business Machines Corp.
 * 
 * See the NOTICE file distributed with this work for additional information
 * regarding copyright ownership. 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.batchee.container.jsl;

import org.xml.sax.SAXException;

import javax.xml.XMLConstants;
import javax.xml.validation.Schema;
import javax.xml.validation.SchemaFactory;

public class Xsds {
    private static Schema schema = null;
    private static SchemaFactory sf = SchemaFactory.newInstance(XMLConstants.W3C_XML_SCHEMA_NS_URI);

    private Xsds() {
        // private utility class ct
    }

    public static Schema jobXML() {
        if (schema == null) {
            synchronized (Xsds.class) {
                try {
                    schema = sf.newSchema(Xsds.class.getResource("/xsd/jobXML_1_0.xsd"));
                } catch (final SAXException e) {
                    throw new RuntimeException(e);
                }
            }
        }
        return schema;
    }
}