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Java > Open Source Codes > org > xquark > schema > validation > DefaultContentIterator


1 /*
2  * This file belongs to the XQuark distribution.
3  * Copyright (C) 2003 Universite de Versailles Saint-Quentin.
4  *
5  * This program is free software; you can redistribute it and/or
6  * modify it under the terms of the GNU Lesser General Public
7  * License as published by the Free Software Foundation; either
8  * version 2.1 of the License, or (at your option) any later version.
9  *
10  * This program is distributed in the hope that it will be useful,
11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13  * Lesser General Public License for more details.
14  *
15  * You should have received a copy of the GNU Lesser General Public
16  * License along with this program; if not, write to the Free Software
17  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307.
18  * You can also get it at http://www.gnu.org/licenses/lgpl.html
19  *
20  * For more information on this software, see http://www.xquark.org.
21  */
22
23 package org.xquark.schema.validation;
24
25 import java.util.List JavaDoc;
26
27 import org.xquark.schema.ComplexType;
28 import org.xquark.schema.ElementDeclaration;
29 import org.xquark.schema.SchemaManager;
30
31 public class DefaultContentIterator extends ContentIterator {
32 private static final String JavaDoc RCSRevision = "$Revision: 1.1 $";
33 private static final String JavaDoc RCSName = "$Name: $";
34   
35   private SchemaManager manager = null;
36   private ComplexType type = null;
37   private ElementDeclaration matchedDecl = null;
38   private int processContents;
39   
40   public DefaultContentIterator(SchemaManager manager) {
41     this(manager, LAX);
42   }
43
44   public DefaultContentIterator(SchemaManager manager, int processContents) {
45     super(0, Integer.MAX_VALUE);
46     this.manager = manager;
47     this.processContents = processContents;
48   }
49
50   public DefaultContentIterator(ComplexType type) {
51     super(0, Integer.MAX_VALUE);
52     processContents = LAX;
53     this.type = type;
54   }
55
56   public ElementDeclaration getMatchedDeclaration() {
57     return matchedDecl;
58   }
59
60   public int getProcessContents() {
61     return processContents;
62   }
63   
64   private SchemaManager getManager() {
65     if (type != null) return type.getManager();
66     else return manager;
67   }
68   
69   protected int nextElement(String JavaDoc namespace, String JavaDoc localName) {
70     if (processContents == SKIP) return UNKNOWN;
71     
72     if (namespace != null && namespace.length() == 0) namespace = null;
73
74     if (namespace == null && type != null) {
75       matchedDecl = type.getElementDeclaration(null, localName);
76     } else {
77       matchedDecl = getManager().getElementDeclaration(namespace, localName);
78     }
79     if (matchedDecl != null)
80       return MATCHED;
81     else
82       return UNKNOWN;
83   }
84
85   public int stopProcessing() {
86     return DONE;
87   }
88   
89   protected boolean nextValidElements(List JavaDoc elements) {
90     return true;
91   }
92   
93 }
94
95
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