IFilterParser.java

/* See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * Esri Inc. 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
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package com.esri.gpt.server.csw.provider.components;
import javax.xml.xpath.XPath;
import javax.xml.xpath.XPathExpressionException;
import org.w3c.dom.Node;

/**
 * Interface for parsing the ogc:Filter portion of a CSW request.
 */
public interface IFilterParser {
  
  /**
   * Parses the ogc:Filter node for an XML based request.
   * @param context the operation context
   * @param filterNode the ogc:Filter node
   * @param xpath an XPath to enable queries (properly configured with name spaces)
   * @throws OwsException if validation fails
   * @throws XPathExpressionException if an XPath related exception occurs
   */
  public void parseFilter(OperationContext context, Node filterNode, XPath xpath) 
    throws OwsException, XPathExpressionException;

}