    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;
    17
    18  /***
    19   * A Container is an object implementing an indirection
    20   * mechanism transparent to JXPath.  For example, if property
    21   * "foo" of the context node has a Container as its value,
    22   * the XPath "foo" will produce the contents of that Container,
    23   * rather than the container itself.
    24   *
    25   * @author Dmitri Plotnikov
    26   * @version $Revision: 1.6 $ $Date: 2004/02/29 14:17:42 $
    27   */
    28  public interface Container {
    29
    30      /***
    31       * Returns the contained value.
    32       */
    33      Object getValue();
    34
    35      /***
    36       * Modifies the value contained by this container.  May throw
    37       * UnsupportedOperationException.
    38       */
    39      void setValue(Object value);
    40  }