Implementing strip() on isProperties

Signed-off-by: Manolo Carrasco <manolo@apache.org>

5 files changed, 44 insertions, 21 deletions

diff --git a/gwtquery-core/src/main/java/com/google/gwt/query/client/IsProperties.java b/gwtquery-core/src/main/java/com/google/gwt/query/client/IsProperties.java
index bcd79cdb..3b88edf5 100644
--- a/gwtquery-core/src/main/java/com/google/gwt/query/client/IsProperties.java
+++ b/gwtquery-core/src/main/java/com/google/gwt/query/client/IsProperties.java
@@ -31,6 +31,12 @@ public interface IsProperties {
    * parses a json string and loads the resulting properties object.
    */
   <T extends IsProperties> T parse(String json);
+  
+  /**
+   * Removes the extra JSON and leaves only the setters/getters described 
+   * in the JsonBuilder interface.
+   */
+  <T extends IsProperties> T strip();
 
   /**
    * Returns the underlying object, normally a Properties jso in client
@@ -77,7 +83,6 @@ public interface IsProperties {
    */
   String getJsonName();
   
-  
   /**
    * converts a JsonBuilder instance into another JsonBuilder type but
    * preserving the underlying data object. 
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 db35f5d6..91259103 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
@@ -219,6 +219,12 @@ public class Properties extends JavaScriptObject implements IsProperties {
     return getDataImpl();
   }
 
+  @SuppressWarnings("unchecked")
+  @Override
+  public final <J extends IsProperties> J strip() {
+    return getDataImpl();
+  }
+  
   public final <J extends IsProperties> J parse(String json) {
     return load(JsUtils.parseJSON(json));
   }
diff --git a/gwtquery-core/src/main/java/com/google/gwt/query/client/builders/JsonBuilder.java b/gwtquery-core/src/main/java/com/google/gwt/query/client/builders/JsonBuilder.java
index 9dd3df78..b5f30451 100644
--- a/gwtquery-core/src/main/java/com/google/gwt/query/client/builders/JsonBuilder.java
+++ b/gwtquery-core/src/main/java/com/google/gwt/query/client/builders/JsonBuilder.java
@@ -31,12 +31,6 @@ public interface JsonBuilder extends IsProperties {
   <J> J parse(String json, boolean fix);
 
   /**
-   * Parses a json string and loads the resulting properties object.
-   * It will parse only the json's properties which are in clz.
-   */
-  <J> J parseStrict(String json, Class<J> clz);
-  
-  /**
    * Returns the wrapped object, normally a Properties jso in client
    * but can be used to return the underlying Json implementation in JVM
    * @deprecated use asObject() instead
diff --git a/gwtquery-core/src/main/java/com/google/gwt/query/client/builders/JsonBuilderBase.java b/gwtquery-core/src/main/java/com/google/gwt/query/client/builders/JsonBuilderBase.java
index c09836a5..bd5ad66e 100644
--- a/gwtquery-core/src/main/java/com/google/gwt/query/client/builders/JsonBuilderBase.java
+++ b/gwtquery-core/src/main/java/com/google/gwt/query/client/builders/JsonBuilderBase.java
@@ -37,6 +37,15 @@ public abstract class JsonBuilderBase<J extends JsonBuilderBase<?>> implements J
   public J parse(String json, boolean fix) {
     return fix ? parse(Properties.wrapPropertiesString(json)) : parse(json);
   }
+  
+  @SuppressWarnings("unchecked")
+  @Override
+  public J strip() {
+    String[] methods = getFieldNames(); //EXCEPTION
+    String[] jsonMethods = p.getFieldNames(); // OK
+    System.out.println(methods);
+    return (J)this;
+  }
 
   @SuppressWarnings("unchecked")
   @Override
diff --git a/gwtquery-core/src/main/java/com/google/gwt/query/vm/JsonFactoryJre.java b/gwtquery-core/src/main/java/com/google/gwt/query/vm/JsonFactoryJre.java
index dfdb4cf2..634a483d 100644
--- a/gwtquery-core/src/main/java/com/google/gwt/query/vm/JsonFactoryJre.java
+++ b/gwtquery-core/src/main/java/com/google/gwt/query/vm/JsonFactoryJre.java
@@ -15,6 +15,7 @@ import java.lang.reflect.ParameterizedType;
 import java.lang.reflect.Proxy;
 import java.lang.reflect.Type;
 import java.util.ArrayList;
+import java.util.Arrays;
 import java.util.Date;
 import java.util.List;
 
@@ -220,11 +221,10 @@ public class JsonFactoryJre implements JsonFactory  {
           json = Properties.wrapPropertiesString(json);
         }
         jsonObject = Json.parse(json);
-      } else if (largs > 1 && ("parseStrict".equals(mname))) {
-        Class<? extends JsonBuilder> clz = (Class<? extends JsonBuilder>) args[1];
-        Class<? extends JsonBuilder> proxie = (Class<? extends JsonBuilder>) Proxy.getProxyClass(clz.getClassLoader(), new Class[] {clz});
-        JsonObject jsonArg = Json.parse((String)args[0]);
-        parseStrict(proxie, jsonArg, regexGetOrSet);
+      } else if ("strip".equals(mname)) {
+        List<String> keys = Arrays.asList(jsonObject.keys());
+        Class<?> type = proxy.getClass().getInterfaces()[0];
+        strip(keys, type.getMethods());    
       } else if (mname.matches("toString")) {
         return jsonObject.toString();
       } else if (mname.matches("toJsonWithName")) {
@@ -251,19 +251,28 @@ public class JsonFactoryJre implements JsonFactory  {
       return null;
     }
 
-    public void parseStrict(Class<? extends JsonBuilder> proxie, JsonObject jsonArg,
-        String regexGetOrSet) {
-      for(Method m: proxie.getMethods()) {
-        if (!m.getName().matches("^set.+")) {
-          continue;
+    private void strip(List<String> keys, Method[] methods) {
+      for (String key: keys) {
+        boolean isInType = isInType(key, methods);
+        if (!isInType) {
+          jsonObject.remove(key);
         }
-        String attrJs = deCapitalize(m.getName().replaceFirst(regexGetOrSet, ""));
-        Object value = jsonArg.get(attrJs);
-        setValue(null, jsonObject, attrJs, value);
+      }
+    }
+
+    private boolean isInType(String key, Method[] methods) {
+      if (methods == null || methods.length == 0) {
+        return false;
       }
       
+      for(Method m : methods) {
+        if (m.getName().toLowerCase().contains(key)) {
+          return true;
+        }
+      }
+      return false;
     }
-    
+
     private String deCapitalize(String s) {
       return s != null && s.length() > 0 ? s.substring(0, 1).toLowerCase() + s.substring(1) : s;
     }