/**
    * 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.wss4j.policy.model;
  
  import java.util.Map;
  
  public class XPath {
  
      public enum Version {
          V1("1"),
          V2("2");
  
          private final String version;
  
          Version(String version) {
              this.version = version;
          }
  
          public String getVersion() {
              return version;
          }
      }
  
      private final String xPath;
      private final Version version;
      private final String filter;
      private final Map<String, String> prefixNamespaceMap;
  
      public XPath(String xPath, Version version, String filter, Map<String, String> prefixNamespaceMap) {
          this.xPath = xPath;
          this.version = version;
          this.filter = filter;
          this.prefixNamespaceMap = prefixNamespaceMap;
      }
  
      public String getXPath() {
          return xPath;
      }
  
      public Version getVersion() {
          return version;
      }
  
      public String getFilter() {
          return filter;
      }
  
      public Map<String, String> getPrefixNamespaceMap() {
          return prefixNamespaceMap;
      }
  
      @Override
      public boolean equals(Object object) {
          if (object == this) {
              return true;
          }
          if (!(object instanceof XPath)) {
              return false;
          }
  
          XPath that = (XPath)object;
          if (xPath != null && !xPath.equals(that.xPath)
              || xPath == null && that.xPath != null) {
              return false;
          }
          if (version != that.version) {
              return false;
          }
  
          return !(filter != null && !filter.equals(that.filter)
              || filter == null && that.filter != null);
      }
  
      @Override
      public int hashCode() {
          int result = 17;
          if (xPath != null) {
              result = 31 * result + xPath.hashCode();
          }
          if (version != null) {
              result = 31 * result + version.hashCode();
          }
          if (filter != null) {
             result = 31 * result + filter.hashCode();
         }
 
         return result;
     }
 }