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1   package org.apache.dvsl;
2   
3   /*
4    * Licensed to the Apache Software Foundation (ASF) under one
5    * or more contributor license agreements.  See the NOTICE file
6    * distributed with this work for additional information
7    * regarding copyright ownership.  The ASF licenses this file
8    * to you under the Apache License, Version 2.0 (the
9    * "License"); you may not use this file except in compliance
10   * with the License.  You may obtain a copy of the License at
11   *
12   *   http://www.apache.org/licenses/LICENSE-2.0
13   *
14   * Unless required by applicable law or agreed to in writing,
15   * software distributed under the License is distributed on an
16   * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
17   * KIND, either express or implied.  See the License for the
18   * specific language governing permissions and limitations
19   * under the License.
20   */
21  
22  /**
23   *  This is the tool interface exposed to the stylesheet.
24   *
25   *  @author <a href="mailto:geirm@apache.org">Geir Magnusson Jr.</a>
26   */
27  public interface TransformTool
28  {
29      /**
30       *  <p>
31       *  Applies templates in the current stylesheet
32       *  to the nodeset returned by the XPath expression
33       *  </p>
34       *
35       *  @param xpath  XPath expression to select nodes
36       *  @return The rendered result
37       */
38      public String applyTemplates(String xpath) throws Exception;
39  
40      public String applyTemplates(DVSLNode node) throws Exception;
41  
42      public String applyTemplates(DVSLNode node, String xpath) throws Exception;
43  
44      public String applyTemplates() throws Exception;
45  
46      public String copy() throws Exception;
47  
48      public Object get(String key);
49  
50      public Object getAppValue(Object key);
51      public Object putAppValue(Object key, Object value);
52  }