Fix Java String literal parsing in JQPL grammar.

Allow using java string literals using escaped double quotes next to single quoted values.

Author: christophstrobl

spring-data-jpa/src/main/antlr4/org/springframework/data/jpa/repository/query/Jpql.g4

@@ -204,6 +204,7 @@ constructor_item
     | scalar_expression
     | aggregate_expression
     | identification_variable
+    | literal
     ;
 
 aggregate_expression
@@ -620,6 +621,7 @@ constructor_name
 
 literal
     : STRINGLITERAL
+    | JAVASTRINGLITERAL
     | INTLITERAL
     | FLOATLITERAL
     | LONGLITERAL
@@ -855,6 +857,7 @@ NOT_EQUAL                   : '<>' | '!=' ;
 CHARACTER                   : '\'' (~ ('\'' | '\\')) '\'' ;
 IDENTIFICATION_VARIABLE     : ('a' .. 'z' | 'A' .. 'Z' | '\u0080' .. '\ufffe' | '$' | '_') ('a' .. 'z' | 'A' .. 'Z' | '\u0080' .. '\ufffe' | '0' .. '9' | '$' | '_')* ;
 STRINGLITERAL               : '\'' (~ ('\'' | '\\'))* '\'' ;
+JAVASTRINGLITERAL           : '"' ( ('\\' [btnfr"']) | ~('"'))* '"';
 FLOATLITERAL                : ('0' .. '9')* '.' ('0' .. '9')+ (E ('0' .. '9')+)* (F|D)?;
 INTLITERAL                  : ('0' .. '9')+ ;
 LONGLITERAL                  : ('0' .. '9')+L ;

spring-data-jpa/src/main/java/org/springframework/data/jpa/repository/query/JpqlQueryRenderer.java

@@ -723,6 +723,8 @@ public List<JpaQueryParsingToken> visitConstructor_item(JpqlParser.Constructor_i
 			tokens.addAll(visit(ctx.aggregate_expression()));
 		} else if (ctx.identification_variable() != null) {
 			tokens.addAll(visit(ctx.identification_variable()));
+		} else if (ctx.literal() != null) {
+			tokens.addAll(visit(ctx.literal()));
 		}
 
 		return tokens;
@@ -2153,6 +2155,8 @@ public List<JpaQueryParsingToken> visitLiteral(JpqlParser.LiteralContext ctx) {
 
 		if (ctx.STRINGLITERAL() != null) {
 			tokens.add(new JpaQueryParsingToken(ctx.STRINGLITERAL()));
+		} else if (ctx.JAVASTRINGLITERAL() != null) {
+			tokens.add(new JpaQueryParsingToken(ctx.JAVASTRINGLITERAL()));
 		} else if (ctx.INTLITERAL() != null) {
 			tokens.add(new JpaQueryParsingToken(ctx.INTLITERAL()));
 		} else if (ctx.FLOATLITERAL() != null) {

spring-data-jpa/src/test/java/org/springframework/data/jpa/repository/query/JpqlComplianceTests.java

@@ -66,4 +66,9 @@ void numericLiterals() {
 		assertQuery("SELECT s FROM  Stat s WHERE s.ratio > 3.14e32D");
 	}
 
+	@Test // GH-3308
+	void newWithStrings() {
+		assertQuery("select new com.example.demo.SampleObject(se.id, se.sampleValue, \"java\") from SampleEntity se");
+	}
+
 }