use json-smart to parse the query

json-path/src/main/java/com/jayway/jsonpath/internal/filter/ValueNode.java

@@ -11,6 +11,10 @@ import com.jayway.jsonpath.internal.Utils;
 import com.jayway.jsonpath.internal.path.PathCompiler;
 import com.jayway.jsonpath.internal.path.PredicateContextImpl;
 import com.jayway.jsonpath.spi.json.JsonProvider;
+
+import net.minidev.json.parser.JSONParser;
+import net.minidev.json.parser.ParseException;
+
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
@@ -343,7 +347,11 @@ public abstract class ValueNode {
         }
 
         public Object parse(Predicate.PredicateContext ctx){
-            return parsed ? json : ctx.configuration().jsonProvider().parse(json.toString());
+            try {
+              return parsed ? json : new JSONParser(JSONParser.MODE_PERMISSIVE).parse(json.toString());
+            } catch (ParseException e) {
+              throw new IllegalArgumentException(e);
+            }
         }
 
         public boolean isParsed() {

json-path/src/test/java/com/jayway/jsonpath/JacksonTest.java

@@ -45,4 +45,14 @@ public class JacksonTest extends BaseTest {
         assertThat(date).isEqualTo(now);
     }
 
+    @Test
+    // https://github.com/jayway/JsonPath/issues/275
+    public void single_quotes_work_with_in_filter() {
+        final String jsonArray = "[{\"foo\": \"bar\"}, {\"foo\": \"baz\"}]";
+        final Object readFromSingleQuote = JsonPath.using(JACKSON_CONFIGURATION).parse(jsonArray).read("$.[?(@.foo in ['bar'])].foo");
+        final Object readFromDoubleQuote = JsonPath.using(JACKSON_CONFIGURATION).parse(jsonArray).read("$.[?(@.foo in [\"bar\"])].foo");
+        assertThat(readFromSingleQuote).isEqualTo(readFromDoubleQuote);
+
+    }
+
 }