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1 package com.thaiopensource.validate.mns;
2
3 import com.thaiopensource.util.PropertyMap;
4 import com.thaiopensource.util.PropertyMapBuilder;
5 import com.thaiopensource.validate.rng.CompactSchemaReader;
6 import com.thaiopensource.validate.IncorrectSchemaException;
7 import com.thaiopensource.validate.rng.RngProperty;
8 import com.thaiopensource.validate.rng.SAXSchemaReader;
9 import com.thaiopensource.validate.nrl.NrlSchemaReceiverFactory;
10 import com.thaiopensource.validate.nrl.NrlProperty;
11 import com.thaiopensource.validate.Schema;
12 import com.thaiopensource.validate.SchemaReader;
13 import com.thaiopensource.validate.ValidateProperty;
14 import com.thaiopensource.validate.auto.AutoSchemaReader;
15 import com.thaiopensource.validate.auto.SchemaFuture;
16 import com.thaiopensource.validate.auto.SchemaReceiver;
17 import com.thaiopensource.validate.auto.SchemaReceiverFactory;
18 import org.xml.sax.ErrorHandler  ;
19 import org.xml.sax.InputSource ;
20 import org.xml.sax.SAXException ;
21 import org.xml.sax.XMLReader ;
22
23 import java.io.IOException ;
24 import java.net.URL ;
25
26 class SchemaReceiverImpl implements SchemaReceiver {
27 private static final String MNS_SCHEMA = "mns.rng";
28 private static final String RNC_MEDIA_TYPE = "application/x-rnc";
29 private final PropertyMap properties;
30 private final PropertyMap attributeSchemaProperties;
31 private final boolean attributesSchema;
32 private final SchemaReader autoSchemaLanguage;
33 private Schema mnsSchema = null;
34
35 public SchemaReceiverImpl(PropertyMap properties) {
36 this.attributesSchema = properties.contains(NrlProperty.ATTRIBUTES_SCHEMA);
37 PropertyMapBuilder builder = new PropertyMapBuilder(properties);
38 if (attributesSchema) {
39 attributeSchemaProperties = properties;
40 builder.put(NrlProperty.ATTRIBUTES_SCHEMA, null);
41 this.properties = builder.toPropertyMap();
42 }
43 else {
44 this.properties = properties;
45 NrlProperty.ATTRIBUTES_SCHEMA.add(builder);
46 attributeSchemaProperties = builder.toPropertyMap();
47 }
48 this.autoSchemaLanguage = new AutoSchemaReader(SchemaReceiverFactory.PROPERTY.get(properties));
49 }
50
51 public SchemaFuture installHandlers(XMLReader xr) {
52 return new SchemaImpl(attributesSchema).installHandlers(xr, this);
53 }
54
55 Schema getMnsSchema() throws IOException , IncorrectSchemaException, SAXException {
56 if (mnsSchema == null) {
57 String className = SchemaReceiverImpl.class.getName();
58 String resourceName = className.substring(0, className.lastIndexOf('.')).replace('.', '/') + "/resources/" + MNS_SCHEMA;
59 URL mnsSchemaUrl = getResource(resourceName);
60 mnsSchema = SAXSchemaReader.getInstance().createSchema(
61 new InputSource (mnsSchemaUrl.toString()),
62 properties);
63 }
64 return mnsSchema;
65 }
66
67 private static URL getResource(String resourceName) {
68 ClassLoader cl = SchemaReceiverImpl.class.getClassLoader();
69 if (cl == null)
71 return ClassLoader.getSystemResource(resourceName);
72 else
73 return cl.getResource(resourceName);
74 }
75
76 PropertyMap getProperties() {
77 return properties;
78 }
79
80 Schema createChildSchema(InputSource inputSource, String schemaType, boolean isAttributesSchema) throws IOException , IncorrectSchemaException, SAXException {
81 SchemaReader lang = isRnc(schemaType) ? CompactSchemaReader.getInstance() : autoSchemaLanguage;
82 return lang.createSchema(inputSource,
83 isAttributesSchema ? attributeSchemaProperties : properties);
84 }
85
86 private static boolean isRnc(String schemaType) {
87 if (schemaType == null)
88 return false;
89 schemaType = schemaType.trim();
90 return schemaType.equals(RNC_MEDIA_TYPE);
91 }
92 }
93 |
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