Enclose println used warn the user in dev mode in a block so as it does not generates any code in production

3 files changed, 10 insertions, 5 deletions

diff --git a/gwtquery-core/src/main/java/com/google/gwt/query/client/GQuery.java b/gwtquery-core/src/main/java/com/google/gwt/query/client/GQuery.java
index 0fad3d5c..d2d0e486 100644
--- a/gwtquery-core/src/main/java/com/google/gwt/query/client/GQuery.java
+++ b/gwtquery-core/src/main/java/com/google/gwt/query/client/GQuery.java
@@ -274,7 +274,9 @@ public class GQuery implements Lazy<GQuery, LazyGQuery> {
       if (o instanceof IsWidget) {
         return $(Arrays.asList(o));
       }
-      System.err.println("GQuery.$(Object o) could not wrap the type : " + o.getClass());
+      if (!GWT.isProdMode()) {
+        System.err.println("GQuery.$(Object o) could not wrap the type : " + o.getClass());
+      }
     }
     return $();
   }
diff --git a/gwtquery-core/src/main/java/com/google/gwt/query/client/Properties.java b/gwtquery-core/src/main/java/com/google/gwt/query/client/Properties.java
index 87840ec7..7999e10d 100644
--- a/gwtquery-core/src/main/java/com/google/gwt/query/client/Properties.java
+++ b/gwtquery-core/src/main/java/com/google/gwt/query/client/Properties.java
@@ -17,6 +17,7 @@ package com.google.gwt.query.client;
 
 import com.google.gwt.core.client.JavaScriptObject;
 import com.google.gwt.core.client.JsArrayMixed;
+import com.google.gwt.core.shared.GWT;
 import com.google.gwt.query.client.js.JsCache;
 import com.google.gwt.query.client.js.JsUtils;
 
@@ -35,8 +36,9 @@ public class Properties extends JavaScriptObject {
       try {
         return JsUtils.parseJSON(p);
       } catch (Exception e) {
-        String msg =  e.getMessage();
-        System.err.println("Error creating Properties: \n> " + properties  + "\n< " + p + "\n" + msg);
+        if (!GWT.isProdMode()) {
+          System.err.println("Error creating Properties: \n> " + properties  + "\n< " + p + "\n" + e.getMessage());
+        }
       }
     }
     return create();
diff --git a/gwtquery-core/src/main/java/com/google/gwt/query/client/js/JsUtils.java b/gwtquery-core/src/main/java/com/google/gwt/query/client/js/JsUtils.java
index 645ccd15..2d9ba9dd 100644
--- a/gwtquery-core/src/main/java/com/google/gwt/query/client/js/JsUtils.java
+++ b/gwtquery-core/src/main/java/com/google/gwt/query/client/js/JsUtils.java
@@ -404,8 +404,9 @@ public class JsUtils {
     try {
       return utilsImpl.parseJSON(json);
     } catch (Exception e) {
-      System.err.println("Error while parsing json: " + e.getMessage() + ".\n"
-          + json);
+      if (!GWT.isProdMode()) {
+        System.err.println("Error while parsing json: " + e.getMessage() + ".\n" + json);
+      }
       return Properties.create();
     }
   }