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Java > Open Source Codes > org > apache > fop > fo > flow > Flow


1 /*
2  * $Id: Flow.java,v 1.24.2.5 2003/04/11 00:24:38 pietsch Exp $
3  * ============================================================================
4  * The Apache Software License, Version 1.1
5  * ============================================================================
6  *
7  * Copyright (C) 1999-2003 The Apache Software Foundation. All rights reserved.
8  *
9  * Redistribution and use in source and binary forms, with or without modifica-
10  * tion, are permitted provided that the following conditions are met:
11  *
12  * 1. Redistributions of source code must retain the above copyright notice,
13  * this list of conditions and the following disclaimer.
14  *
15  * 2. Redistributions in binary form must reproduce the above copyright notice,
16  * this list of conditions and the following disclaimer in the documentation
17  * and/or other materials provided with the distribution.
18  *
19  * 3. The end-user documentation included with the redistribution, if any, must
20  * include the following acknowledgment: "This product includes software
21  * developed by the Apache Software Foundation (http://www.apache.org/)."
22  * Alternately, this acknowledgment may appear in the software itself, if
23  * and wherever such third-party acknowledgments normally appear.
24  *
25  * 4. The names "FOP" and "Apache Software Foundation" must not be used to
26  * endorse or promote products derived from this software without prior
27  * written permission. For written permission, please contact
28  * apache@apache.org.
29  *
30  * 5. Products derived from this software may not be called "Apache", nor may
31  * "Apache" appear in their name, without prior written permission of the
32  * Apache Software Foundation.
33  *
34  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED WARRANTIES,
35  * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
36  * FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
37  * APACHE SOFTWARE FOUNDATION OR ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
38  * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLU-
39  * DING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
40  * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
41  * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
42  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
43  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
44  * ============================================================================
45  *
46  * This software consists of voluntary contributions made by many individuals
47  * on behalf of the Apache Software Foundation and was originally created by
48  * James Tauber <jtauber@jtauber.com>. For more information on the Apache
49  * Software Foundation, please see <http://www.apache.org/>.
50  */
51 package org.apache.fop.fo.flow;
52
53 // FOP
54 import org.apache.fop.fo.*;
55 import org.apache.fop.apps.FOPException;
56
57 public class Flow extends AbstractFlow {
58
59     public static class Maker extends FObj.Maker {
60         public FObj make(FObj parent, PropertyList propertyList,
61                          String JavaDoc systemId, int line, int column)
62             throws FOPException {
63             return new Flow(parent, propertyList, systemId, line, column);
64         }
65     }
66
67     public static FObj.Maker maker() {
68         return new Flow.Maker();
69     }
70
71     protected Flow(FObj parent, PropertyList propertyList,
72                    String JavaDoc systemId, int line, int column) throws FOPException {
73         super(parent, propertyList, systemId, line, column);
74         setFlowName(getProperty("flow-name").getString());
75         pageSequence.addFlow(this);
76     }
77
78     public String JavaDoc getName() {
79         return "fo:flow";
80     }
81
82     protected void setFlowName(String JavaDoc name) throws FOPException {
83         if (name == null || name.equals("")) {
84             log.warn("A 'flow-name' is required for "
85                      + getName()
86                      + ". This constraint will be enforced in future versions of FOP");
87             _flowName = "xsl-region-body";
88         } else {
89             _flowName = name;
90         }
91
92     }
93
94 }
95
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