small comments

src/main/java/ru/touchin/templates/validation/ConversionException.java

@@ -1,34 +0,0 @@
-/*
- *  Copyright (c) 2016 Touch Instinct
- *
- *  This file is part of RoboSwag library.
- *
- *  Licensed under the Apache License, Version 2.0 (the "License");
- *  you may not use this file except in compliance with the License.
- *  You may obtain a copy of the License at
- *
- *  http://www.apache.org/licenses/LICENSE-2.0
- *
- *  Unless required by applicable law or agreed to in writing, software
- *  distributed under the License is distributed on an "AS IS" BASIS,
- *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- *  See the License for the specific language governing permissions and
- *  limitations under the License.
- *
- */
-
-package ru.touchin.templates.validation;
-
-import android.support.annotation.Nullable;
-
-/**
- * Created by Ilia Kurtov on 24/01/2017.
- * TODO: fill
- */
-public class ConversionException extends Exception {
-
-    public ConversionException(@Nullable final Throwable cause) {
-        super(cause);
-    }
-
-}

src/main/java/ru/touchin/templates/validation/ValidationFunc.java

@@ -6,7 +6,7 @@ import java.io.Serializable;
 
 /**
  * Created by Ilia Kurtov on 30/01/2017.
- * Simple interface that gets one parameter {@link TInput} as input and returns other type {@link TReturn}.
+ * Simple interface that gets one parameter with {@link TInput} type as input and returns other type {@link TReturn} as a result.
  * Interface extends {@link Serializable} to survive after {@link ru.touchin.roboswag.components.navigation.AbstractState} recreation.
  * Created as a replace for {@link rx.functions.Func1} because it needed to be {@link Serializable}
  * @param <TInput> input type.
@@ -15,10 +15,10 @@ import java.io.Serializable;
 public interface ValidationFunc<TInput, TReturn> extends Serializable  {
 
     /**
-     *
-     * @param input
-     * @return
-     * @throws Throwable
+     * The method maps some {@link TInput} type argument into a {@link TReturn} type.
+     * @param input data;
+     * @return mapped data into a {@link TReturn} type.
+     * @throws Throwable for catching conversion errors.
      */
     @NonNull
     TReturn call(@NonNull final TInput input) throws Throwable;

src/main/java/ru/touchin/templates/validation/validators/Validator.java

@@ -29,7 +29,10 @@ import ru.touchin.templates.validation.ValidationState;
 
 /**
  * Created by Ilia Kurtov on 24/01/2017.
- * TODO: fill
+ * This class holds information about current state of the object - {@link #getWrapperModel()}(that should be connected to some view),
+ * current error state {@link #getValidationState()}. Also you need to provide a {@link ValidationState} or class that extends it
+ * as an empty state. Eg, if you need to show some text in your view to show user that this view shouldn't be empty - pass needed state
+ * to the {@link #getValidationStateWhenEmpty()}
  */
 public abstract class Validator<TWrapperModel extends Serializable, TModel extends Serializable>
         implements Serializable {