Require JsonPath 1.1+

Issue: SPR-13729

spring-test/src/main/java/org/springframework/test/util/JsonPathExpectationsHelper.java

@@ -16,27 +16,21 @@
 
 package org.springframework.test.util;
 
-import java.lang.reflect.Array;
-import java.lang.reflect.Method;
 import java.text.ParseException;
 import java.util.List;
 import java.util.Map;
 
+import com.jayway.jsonpath.InvalidPathException;
+import com.jayway.jsonpath.JsonPath;
 import org.hamcrest.Matcher;
 
 import org.springframework.util.Assert;
 import org.springframework.util.ObjectUtils;
-import org.springframework.util.ReflectionUtils;
 import org.springframework.util.StringUtils;
 
-import com.jayway.jsonpath.InvalidPathException;
-import com.jayway.jsonpath.JsonPath;
-
-import static org.hamcrest.MatcherAssert.assertThat;
-import static org.hamcrest.core.IsInstanceOf.instanceOf;
-import static org.springframework.test.util.AssertionErrors.assertEquals;
-import static org.springframework.test.util.AssertionErrors.assertTrue;
-import static org.springframework.test.util.AssertionErrors.fail;
+import static org.hamcrest.MatcherAssert.*;
+import static org.hamcrest.core.IsInstanceOf.*;
+import static org.springframework.test.util.AssertionErrors.*;
 
 /**
  * A helper class for applying assertions via JSON path expressions.
@@ -52,26 +46,6 @@ import static org.springframework.test.util.AssertionErrors.fail;
  */
 public class JsonPathExpectationsHelper {
 
-	private static Method compileMethod;
-
-	private static Object emptyFilters;
-
-	static {
-		// Reflective bridging between JsonPath 0.9.x and 1.x
-		for (Method candidate : JsonPath.class.getMethods()) {
-			if (candidate.getName().equals("compile")) {
-				Class<?>[] paramTypes = candidate.getParameterTypes();
-				if (paramTypes.length == 2 && String.class == paramTypes[0] && paramTypes[1].isArray()) {
-					compileMethod = candidate;
-					emptyFilters = Array.newInstance(paramTypes[1].getComponentType(), 0);
-					break;
-				}
-			}
-		}
-		Assert.state(compileMethod != null, "Unexpected JsonPath API - no compile(String, ...) method found");
-	}
-
-
 	private final String expression;
 
 	private final JsonPath jsonPath;
@@ -86,8 +60,7 @@ public class JsonPathExpectationsHelper {
 	public JsonPathExpectationsHelper(String expression, Object... args) {
 		Assert.hasText(expression, "expression must not be null or empty");
 		this.expression = String.format(expression, args);
-		this.jsonPath = (JsonPath) ReflectionUtils.invokeMethod(
-				compileMethod, null, this.expression, emptyFilters);
+		this.jsonPath = JsonPath.compile(this.expression);
 	}