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Java > Open Source Codes > com > thaiopensource > relaxng > util > ValidationEngine


1 package com.thaiopensource.relaxng.util;
2
3 import com.thaiopensource.util.PropertyMap;
4 import com.thaiopensource.util.PropertyMapBuilder;
5 import com.thaiopensource.validate.ValidateProperty;
6 import com.thaiopensource.validate.ValidationDriver;
7 import com.thaiopensource.validate.rng.CompactSchemaReader;
8 import com.thaiopensource.validate.rng.RngProperty;
9 import com.thaiopensource.xml.sax.XMLReaderCreator;
10 import com.thaiopensource.xml.sax.Sax2XMLReaderCreator;
11 import org.xml.sax.ErrorHandler JavaDoc;
12
13 /**
14  * Provides a compatibility wrapper around ValidationDriver. New applications
15  * should use ValidationDriver directly.
16  *
17  * @author <a HREF="mailto:jjc@jclark.com">James Clark</a>
18  * @see ValidationDriver
19  * @deprecated
20  */
21 public class ValidationEngine extends ValidationDriver {
22
23   /**
24    * Flag indicating that ID/IDREF/IDREFS should be checked.
25    * @see RngProperty#CHECK_ID_IDREF
26    */
27   public static final int CHECK_ID_IDREF = 01;
28   /**
29    * Flag indicating that the schema is in the RELAX NG compact syntax rather than the XML syntax.
30    * @see CompactSchemaReader
31    */
32   public static final int COMPACT_SYNTAX = 02;
33   /**
34    * @see RngProperty#FEASIBLE
35    */
36   public static final int FEASIBLE = 04;
37
38   /**
39    * Default constructor. Equivalent to <code>ValidationEngine(null, null, CHECK_ID_IDREF)</code>.
40    */
41   public ValidationEngine() {
42     this(null, null, CHECK_ID_IDREF);
43   }
44   /**
45    * Constructs a <code>ValidationEngine</code>.
46    *
47    * @param xrc the <code>XMLReaderCreator</code> to be used for constructing <code>XMLReader</code>s;
48    * if <code>null</code> uses <code>Sax2XMLReaderCreator</code>
49    * @param eh the <code>ErrorHandler</code> to be used for reporting errors; if <code>null</code>
50    * uses <code>DraconianErrorHandler</code>
51    * @param flags bitwise OR of flags selected from <code>CHECK_ID_IDREF</code>, <code>COMPACT_SYNTAX</code>,
52    * <code>FEASIBLE</code>, <code>MNS</code>
53    * @see com.thaiopensource.xml.sax.DraconianErrorHandler
54    * @see com.thaiopensource.xml.sax.Sax2XMLReaderCreator
55    * @see #CHECK_ID_IDREF
56    * @see #COMPACT_SYNTAX
57    * @see #FEASIBLE
58    */
59   public ValidationEngine(XMLReaderCreator xrc,
60                           ErrorHandler JavaDoc eh,
61                           int flags) {
62     super(makePropertyMap(xrc, eh, flags),
63           (flags & COMPACT_SYNTAX) == 0 ? null : CompactSchemaReader.getInstance());
64   }
65
66   private static PropertyMap makePropertyMap(XMLReaderCreator xrc, ErrorHandler JavaDoc eh, int flags) {
67     PropertyMapBuilder builder = new PropertyMapBuilder();
68     if (xrc == null)
69       xrc = new Sax2XMLReaderCreator();
70     ValidateProperty.XML_READER_CREATOR.put(builder, xrc);
71     if (eh != null)
72       ValidateProperty.ERROR_HANDLER.put(builder, eh);
73     if ((flags & CHECK_ID_IDREF) != 0)
74       RngProperty.CHECK_ID_IDREF.add(builder);
75     if ((flags & FEASIBLE) != 0)
76       RngProperty.FEASIBLE.add(builder);
77     return builder.toPropertyMap();
78   }
79
80   /**
81    * Constructs a <code>ValidationEngine</code>.
82    *
83    * @param xrc the <code>XMLReaderCreator</code> to be used for constructing <code>XMLReader</code>s;
84    * if <code>null</code> uses <code>Sax2XMLReaderCreator</code>
85    * @param eh the <code>ErrorHandler</code> to be used for reporting errors; if <code>null</code>
86    * uses <code>DraconianErrorHandler</code>
87    * @param checkIdIdref <code>true</code> if ID/IDREF/IDREFS should be checked; <code>false</code> otherwise
88    * @see com.thaiopensource.xml.sax.DraconianErrorHandler
89    * @see com.thaiopensource.xml.sax.Sax2XMLReaderCreator
90    */
91   public ValidationEngine(XMLReaderCreator xrc,
92                           ErrorHandler JavaDoc eh,
93                           boolean checkIdIdref) {
94     this(xrc, eh, checkIdIdref ? CHECK_ID_IDREF : 0);
95   }
96
97   /**
98    * Constructs a <code>ValidationEngine</code>.
99    *
100    * @param xrc the <code>XMLReaderCreator</code> to be used for constructing <code>XMLReader</code>s;
101    * if <code>null</code> uses <code>Sax2XMLReaderCreator</code>
102    * @param eh the <code>ErrorHandler</code> to be used for reporting errors; if <code>null</code>
103    * uses <code>DraconianErrorHandler</code>
104    * @param checkIdIdref <code>true</code> if ID/IDREF/IDREFS should be checked; <code>false</code> otherwise
105    * @param compactSyntax <code>true</code> if the RELAX NG compact syntax should be used to parse the schema;
106    * <code>false</code> if the XML syntax should be used
107    * @see com.thaiopensource.xml.sax.DraconianErrorHandler
108    * @see com.thaiopensource.xml.sax.Sax2XMLReaderCreator
109    */
110   public ValidationEngine(XMLReaderCreator xrc, ErrorHandler JavaDoc eh, boolean checkIdIdref, boolean compactSyntax) {
111     this(xrc,
112          eh,
113          (checkIdIdref ? CHECK_ID_IDREF : 0)
114          | (compactSyntax ? COMPACT_SYNTAX : 0));
115   }
116
117
118   public ValidationEngine(XMLReaderCreator xrc, ErrorHandler JavaDoc eh, boolean checkIdIdref, boolean compactSyntax,
119                           boolean feasible) {
120     this(xrc,
121          eh,
122          (checkIdIdref ? CHECK_ID_IDREF : 0)
123          | (compactSyntax ? COMPACT_SYNTAX : 0)
124          | (feasible ? FEASIBLE : 0));
125   }
126
127 }
128
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