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    1   /*
    2    * Copyright 1999-2004 The Apache Software Foundation
    3    *
    4    * Licensed under the Apache License, Version 2.0 (the "License");
    5    * you may not use this file except in compliance with the License.
    6    * You may obtain a copy of the License at
    7    *
    8    *     http://www.apache.org/licenses/LICENSE-2.0
    9    *
    10   * Unless required by applicable law or agreed to in writing, software
    11   * distributed under the License is distributed on an "AS IS" BASIS,
    12   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    13   * See the License for the specific language governing permissions and
    14   * limitations under the License.
    15   */
    16  package org.apache.commons.jxpath.ri.model;
    17
    18  import java.util.Locale;
    19
    20  import org.apache.commons.jxpath.ri.QName;
    21
    22  /***
    23   * Creates NodePointers for objects of a certain type.
    24   * NodePointerFactories are ordered according to the values returned
    25   * by the "getOrder" method and always queried in that order.
    26   *
    27   * @author Dmitri Plotnikov
    28   * @version $Revision: 1.7 $ $Date: 2004/02/29 14:17:45 $
    29   */
    30  public interface NodePointerFactory {
    31
    32      /***
    33       * The factory order number determines its position between other factories.
    34       */
    35      int getOrder();
    36
    37      /***
    38       * Create a NodePointer for the supplied object.  The node will represent
    39       * the "root" object for a path.
    40       *
    41       * @return  null if this factory does not recognize objects of the supplied
    42       * type.
    43       */
    44      NodePointer createNodePointer(QName name, Object object, Locale locale);
    45
    46      /***
    47       * Create a NodePointer for the supplied child object.
    48       * <p>
    49       * @return null if this factory does not recognize objects of the supplied
    50       * type.
    51       */
    52      NodePointer createNodePointer(
    53          NodePointer parent,
    54          QName name,
    55          Object object);
    56  }