trunk/components/camel-josql/src/main/java/org/apache/camel/language/sql/SqlLanguage.java

/**
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You 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.camel.language.sql;

import javax.xml.namespace.QName;

import org.apache.camel.Expression;
import org.apache.camel.IsSingleton;
import org.apache.camel.Predicate;
import org.apache.camel.RuntimeCamelException;
import org.apache.camel.builder.sql.SqlBuilder;
import org.apache.camel.builder.xml.XPathBuilder;
import org.apache.camel.spi.Language;
import org.josql.QueryParseException;

/**
 * XPath language.
 *
 * @version 
 */
public class SqlLanguage implements Language, IsSingleton {
   
    public Predicate createPredicate(String expression) {
        try {
            SqlBuilder builder = SqlBuilder.sql(expression);
            return builder;
        } catch (QueryParseException e) {
            RuntimeException exception = new RuntimeCamelException("Canont create the SqlBuilder.", e);
            throw exception;
        }
        
    }

    public Expression createExpression(String expression) {
        try {
            SqlBuilder builder = SqlBuilder.sql(expression);
            return builder;
        } catch (QueryParseException e) {
            RuntimeException exception = new RuntimeCamelException("Canont create the SqlBuilder.", e);
            throw exception;
        }
    }
    
    public boolean isSingleton() {
        return true;
    }
}