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1 package com.thaiopensource.validate.nrl;
2
3 import com.thaiopensource.util.PropertyId;
4 import com.thaiopensource.util.PropertyMap;
5 import com.thaiopensource.util.PropertyMapBuilder;
6 import com.thaiopensource.validate.IncorrectSchemaException;
7 import com.thaiopensource.validate.Option;
8 import com.thaiopensource.validate.Schema;
9 import com.thaiopensource.validate.SchemaReader;
10 import com.thaiopensource.validate.ValidateProperty;
11 import com.thaiopensource.validate.auto.AutoSchemaReader;
12 import com.thaiopensource.validate.auto.SchemaFuture;
13 import com.thaiopensource.validate.auto.SchemaReceiver;
14 import com.thaiopensource.validate.auto.SchemaReceiverFactory;
15 import com.thaiopensource.validate.rng.CompactSchemaReader;
16 import com.thaiopensource.validate.rng.SAXSchemaReader;
17 import org.xml.sax.InputSource  ;
18 import org.xml.sax.SAXException ;
19 import org.xml.sax.XMLReader ;
20
21 import java.io.IOException ;
22 import java.net.URL ;
23
24 class SchemaReceiverImpl implements SchemaReceiver {
25 private static final String NRL_SCHEMA = "nrl.rng";
26 private static final String RNC_MEDIA_TYPE = "application/x-rnc";
27 private final PropertyMap properties;
28 private final boolean attributesSchema;
29 private final SchemaReader autoSchemaReader;
30 private Schema nrlSchema = null;
31 private static final PropertyId subSchemaProperties[] = {
32 ValidateProperty.ERROR_HANDLER,
33 ValidateProperty.XML_READER_CREATOR,
34 ValidateProperty.ENTITY_RESOLVER,
35 SchemaReceiverFactory.PROPERTY,
36 };
37
38 public SchemaReceiverImpl(PropertyMap properties) {
39 this.attributesSchema = properties.contains(NrlProperty.ATTRIBUTES_SCHEMA);
40 PropertyMapBuilder builder = new PropertyMapBuilder();
41 for (int i = 0; i < subSchemaProperties.length; i++) {
42 Object value = properties.get(subSchemaProperties[i]);
43 if (value != null)
44 builder.put(subSchemaProperties[i], value);
45 }
46 this.properties = builder.toPropertyMap();
47 this.autoSchemaReader = new AutoSchemaReader(SchemaReceiverFactory.PROPERTY.get(properties));
48 }
49
50 public SchemaFuture installHandlers(XMLReader xr) {
51 PropertyMapBuilder builder = new PropertyMapBuilder(properties);
52 if (attributesSchema)
53 NrlProperty.ATTRIBUTES_SCHEMA.add(builder);
54 return new SchemaImpl(builder.toPropertyMap()).installHandlers(xr, this);
55 }
56
57 Schema getNrlSchema() throws IOException , IncorrectSchemaException, SAXException {
58 if (nrlSchema == null) {
59 String className = SchemaReceiverImpl.class.getName();
60 String resourceName = className.substring(0, className.lastIndexOf('.')).replace('.', '/') + "/resources/" + NRL_SCHEMA;
61 URL nrlSchemaUrl = getResource(resourceName);
62 nrlSchema = SAXSchemaReader.getInstance().createSchema(new InputSource (nrlSchemaUrl.toString()),
63 properties);
64 }
65 return nrlSchema;
66 }
67
68 private static URL getResource(String resourceName) {
69 ClassLoader cl = SchemaReceiverImpl.class.getClassLoader();
70 if (cl == null)
72 return ClassLoader.getSystemResource(resourceName);
73 else
74 return cl.getResource(resourceName);
75 }
76
77 PropertyMap getProperties() {
78 return properties;
79 }
80
81 Schema createChildSchema(InputSource inputSource, String schemaType, PropertyMap options, boolean isAttributesSchema) throws IOException , IncorrectSchemaException, SAXException {
82 SchemaReader reader = isRnc(schemaType) ? CompactSchemaReader.getInstance() : autoSchemaReader;
83 PropertyMapBuilder builder = new PropertyMapBuilder(properties);
84 if (isAttributesSchema)
85 NrlProperty.ATTRIBUTES_SCHEMA.add(builder);
86 for (int i = 0, len = options.size(); i < len; i++)
87 builder.put(options.getKey(i), options.get(options.getKey(i)));
88 return reader.createSchema(inputSource, builder.toPropertyMap());
89 }
90
91 Option getOption(String uri) {
92 Option option = autoSchemaReader.getOption(uri);
93 if (option != null)
94 return option;
95 return CompactSchemaReader.getInstance().getOption(uri);
96 }
97
98 private static boolean isRnc(String schemaType) {
99 if (schemaType == null)
100 return false;
101 schemaType = schemaType.trim();
102 return schemaType.equals(RNC_MEDIA_TYPE);
103 }
104 }
105 |
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