/*
 * 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.exoplatform.services.jcr.impl.core.query.xpath;

import javax.jcr.query.InvalidQueryException;
import javax.jcr.query.Query;

import org.exoplatform.services.jcr.impl.core.LocationFactory;
import org.exoplatform.services.jcr.impl.core.query.QueryNodeFactory;
import org.exoplatform.services.jcr.impl.core.query.QueryRootNode;
import org.exoplatform.services.jcr.impl.core.query.QueryTreeBuilder;


/**
 * Implements the XPath query tree builder.
 */
public class QueryBuilder implements QueryTreeBuilder
{

   /**
    * {@inheritDoc}
    */
   public QueryRootNode createQueryTree(String statement, LocationFactory resolver, QueryNodeFactory factory)
      throws InvalidQueryException
   {
      return XPathQueryBuilder.createQuery(statement, resolver, factory);
   }

   /**
    * {@inheritDoc}
    */
   public boolean canHandle(String language)
   {
      return Query.XPATH.equals(language);
   }

   /**
    * This builder supports {@link Query#XPATH}.
    * {@inheritDoc}
    */
   public String[] getSupportedLanguages()
   {
      return new String[]{Query.XPATH};
   }

   /**
    * {@inheritDoc}
    */
   public String toString(QueryRootNode root, LocationFactory resolver) throws InvalidQueryException
   {
      return XPathQueryBuilder.toString(root, resolver);
   }
}