DATACMNS-221 - Added support for Unicode characters in PartTree.

Altered parsing regular expressions to support unicode characters.

spring-data-commons-core/src/main/java/org/springframework/data/mapping/PropertyPath.java

@@ -340,7 +340,7 @@ public class PropertyPath implements Iterable<PropertyPath> {
 			exception = e;
 		}
 
-		Pattern pattern = Pattern.compile("[A-Z]+[a-z]*$");
+		Pattern pattern = Pattern.compile("\\p{Lu}+\\p{Ll}*$");
 		Matcher matcher = pattern.matcher(source);
 
 		if (matcher.find() && matcher.start() != 0) {

spring-data-commons-core/src/main/java/org/springframework/data/repository/query/parser/OrderBySource.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2008-2010 the original author or authors.
+ * Copyright 2008-2012 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -35,7 +35,7 @@ import org.springframework.util.StringUtils;
  */
 public class OrderBySource {
 
-	private static final String BLOCK_SPLIT = "(?<=Asc|Desc)(?=[A-Z])";
+	private static final String BLOCK_SPLIT = "(?<=Asc|Desc)(?=\\p{Lu})";
 	private static final Pattern DIRECTION_SPLIT = Pattern.compile("(.+)(Asc|Desc)$");
 
 	private final List<Order> orders;
@@ -107,4 +107,4 @@ public class OrderBySource {
 	public String toString() {
 		return "Order By " + StringUtils.collectionToDelimitedString(orders, ", ");
 	}
-}
+}

spring-data-commons-core/src/main/java/org/springframework/data/repository/query/parser/PartTree.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2008-2010 the original author or authors.
+ * Copyright 2008-2012 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -37,8 +37,8 @@ import org.springframework.util.StringUtils;
  */
 public class PartTree implements Iterable<OrPart> {
 
-	private static final Pattern PREFIX_TEMPLATE = Pattern.compile("^(find|read|get)(\\p{Upper}.*?)??By");
-	private static final String KEYWORD_TEMPLATE = "(%s)(?=[A-Z])";
+	private static final Pattern PREFIX_TEMPLATE = Pattern.compile("^(find|read|get)(\\p{Lu}.*?)??By");
+	private static final String KEYWORD_TEMPLATE = "(%s)(?=\\p{Lu})";
 
 	/**
 	 * The subject, for example "findDistinctUserByNameOrderByAge" would have the subject "DistinctUser".

spring-data-commons-core/src/test/java/org/springframework/data/repository/query/parser/PartTreeUnitTests.java

@@ -307,6 +307,17 @@ public class PartTreeUnitTests {
 				"commonNameContaining", Organization.class) });
 	}
 
+	/**
+	 * @see DATACMNS-221
+	 */
+	@Test
+	public void parsesSpecialCharactersCorrectly() {
+		PartTree tree = new PartTree("findByØreAndÅrOrderByÅrAsc", DomainObjectWithSpecialChars.class);
+		assertPart(tree, new Part[] { new Part("øre", DomainObjectWithSpecialChars.class),
+				new Part("år", DomainObjectWithSpecialChars.class) });
+		assertTrue(tree.getSort().getOrderFor("år").isAscending());
+	}
+
 	private static void assertType(Iterable<String> sources, Type type, String property) {
 		assertType(sources, type, property, 1, true);
 	}
@@ -380,4 +391,9 @@ public class PartTreeUnitTests {
 		String commonName;
 		String legalName;
 	}
+
+	class DomainObjectWithSpecialChars {
+		String øre;
+		String år;
+	}
 }