Removes static declaration of JSON_PARSER.

This allows for multi-threaded use of JsonPath.

json-path/src/main/java/com/jayway/jsonpath/JsonPath.java

@@ -82,11 +82,11 @@ public class JsonPath {
 
     private final static Logger log = Logger.getLogger(JsonPath.class.getName());
 
-    private static JSONParser JSON_PARSER = new JSONParser(JsonPath.mode);
+    private JSONParser JSON_PARSER = new JSONParser(JsonPath.mode);
 
     private JsonPathFilterChain filters;
 
-    public static void setMode(int mode){
+    public void setMode(int mode){
         if(mode != JsonPath.mode){
             JsonPath.mode = mode;
             JSON_PARSER = new JSONParser(JsonPath.mode);
@@ -177,7 +177,7 @@ public class JsonPath {
     }
 
 
-    private static Object parse(String json) throws java.text.ParseException {
+    private Object parse(String json) throws java.text.ParseException {
         try {
             return JSON_PARSER.parse(json);
         } catch (ParseException e) {

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

@@ -37,14 +37,16 @@ public class ParserTest {
 
     @Test(expected = ParseException.class)
     public void strict_mode_does_not_accept_single_quotes() throws Exception {
-        JsonPath.setMode(JsonPath.STRICT_MODE);
-        JsonPath.read(SINGLE_QUOTE_JSON, "lhs");
+    	JsonPath path = JsonPath.compile("lhs");
+    	path.setMode(JsonPath.STRICT_MODE);
+    	path.read(SINGLE_QUOTE_JSON);
     }
 
     @Test(expected = ParseException.class)
     public void strict_mode_does_not_accept_no_quotes() throws Exception {
-        JsonPath.setMode(JsonPath.STRICT_MODE);
-        JsonPath.read(NO_QUOTE_JSON, "lhs");
+    	JsonPath path = JsonPath.compile("lhs");
+    	path.setMode(JsonPath.STRICT_MODE);
+    	path.read(NO_QUOTE_JSON);
     }