/**
* Loops through the SchemaDocuments in the Schema and returns null or the first which has a
* matching systemID to the given systemID;
*
* @throws IllegalArgumentException if Schema is null or contains no SchemaDocuments
* @param schema the Schema to search
* @param systemId the systemID to look for
* @return the matching SchemaDocuemnt or null
*/
public static XMLSchemaDocument getSchemaDocumentFromSchema(XMLSchema schema, String systemId) {
if (schema == null) {
throw new IllegalArgumentException("Schema must be non null.");
}
if (schema.getRootDocument().getSystemID().equals(systemId)) {
return schema.getRootDocument();
} else {
for (XMLSchemaDocument sd : schema.getAdditionalDocuments()) {
if (sd.getSystemID().equals(systemId)) {
return sd;
}
}
}
return null;
}
/**
* Constructs a Schema using the given namespace and populates it with SchemaDocuments with the
* given files' contents. Note: this does not check that the files actually represent valid XML
* Schemas, nor does it check that the are all of the same specified namespace.
*
* @param namespace the namespace to assign to the schema
* @param schemaFiles the files to create the schema with
* @return the constructed Schema
* @throws java.io.FileNotFoundException if a file is not valid
* @throws java.io.IOException if a file is not valid
*/
public static XMLSchema createSchema(URI namespace, List<File> schemaFiles)
throws FileNotFoundException, IOException {
if (schemaFiles == null || schemaFiles.size() == 0) {
throw new IllegalArgumentException("schemaFiles must be a valid array of files.");
}
XMLSchemaDocument root = createSchemaDocument(schemaFiles.get(0));
Set<XMLSchemaDocument> docs = new HashSet<XMLSchemaDocument>(schemaFiles.size() - 1);
for (int i = 1; i < schemaFiles.size(); i++) {
docs.add(createSchemaDocument(schemaFiles.get(i)));
}
XMLSchema schema = new XMLSchema();
schema.setTargetNamespace(namespace);
schema.setRootDocument(root);
schema.getAdditionalDocuments().addAll(docs);
return schema;
}
