1 /*
2  * reserved comment block
3  * DO NOT REMOVE OR ALTER!
4  */
5 /*
6  * Licensed to the Apache Software Foundation (ASF) under one or more
7  * contributor license agreements.  See the NOTICE file distributed with
8  * this work for additional information regarding copyright ownership.
9  * The ASF licenses this file to You under the Apache License, Version 2.0
10  * (the "License"); you may not use this file except in compliance with
11  * the License.  You may obtain a copy of the License at
12  *
13  *      http://www.apache.org/licenses/LICENSE-2.0
14  *
15  * Unless required by applicable law or agreed to in writing, software
16  * distributed under the License is distributed on an "AS IS" BASIS,
17  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
18  * See the License for the specific language governing permissions and
19  * limitations under the License.
20  */
21 
22 package com.sun.org.apache.xpath.internal;
23 
24 import javax.xml.transform.TransformerException;
25 
26 import org.w3c.dom.Element;
27 
28 /**
29  * A class that implements this interface can tell if a given element should
30  * strip whitespace nodes from it's children.
31  */
32 public interface WhitespaceStrippingElementMatcher
33 {
34   /**
35    * Get information about whether or not an element should strip whitespace.
36    * @see <a href="http://www.w3.org/TR/xslt#strip">strip in XSLT Specification</a>
37    *
38    * @param support The XPath runtime state.
39    * @param targetElement Element to check
40    *
41    * @return true if the whitespace should be stripped.
42    *
43    * @throws TransformerException
44    */
shouldStripWhiteSpace( XPathContext support, Element targetElement)45   public boolean shouldStripWhiteSpace(
46           XPathContext support, Element targetElement) throws TransformerException;
47 
48   /**
49    * Get information about whether or not whitespace can be stripped.
50    * @see <a href="http://www.w3.org/TR/xslt#strip">strip in XSLT Specification</a>
51    *
52    * @return true if the whitespace can be stripped.
53    */
canStripWhiteSpace()54   public boolean canStripWhiteSpace();
55 }
56