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Java > Open Source Codes > net > sf > saxon > pull > PullConsumer


1 package net.sf.saxon.pull;
2
3 import net.sf.saxon.trans.XPathException;
4
5 /**
6  * A PullConsumer consumes all the events supplied by a PullProvider, doing nothing
7  * with them. The class exists so that PullFilters on the pipeline can produce side-effects.
8  * For example, this class can be used to validate a document, where the side effects are
9  * error messages.
10  */
11
12 public class PullConsumer {
13
14     private PullProvider in;
15
16     public PullConsumer(PullProvider in) {
17         this.in = in;
18     }
19
20     /**
21      * Consume the input
22      * @throws net.sf.saxon.trans.XPathException
23      */
24
25     public void consume() throws XPathException {
26         while (true) {
27             if (in.next() == PullProvider.END_OF_INPUT) {
28                 return;
29             }
30         }
31     }
32 }
33
34 //
35 // The contents of this file are subject to the Mozilla Public License Version 1.0 (the "License");
36 // you may not use this file except in compliance with the License. You may obtain a copy of the
37 // License at http://www.mozilla.org/MPL/
38 //
39 // Software distributed under the License is distributed on an "AS IS" basis,
40 // WITHOUT WARRANTY OF ANY KIND, either express or implied.
41 // See the License for the specific language governing rights and limitations under the License.
42 //
43 // The Original Code is: all this file.
44 //
45 // The Initial Developer of the Original Code is Michael H. Kay.
46 //
47 // Portions created by (your name) are Copyright (C) (your legal entity). All Rights Reserved.
48 //
49 // Contributor(s): none.
50 //
51
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