/*
* Copyright 2000-2014 JetBrains s.r.o.
*
* 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 com.intellij.util.xmlb;
import com.intellij.util.ThreeState;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
import java.util.Collection;
import java.util.Map;
public class SkipEmptySerializationFilter extends SerializationFilterBase {
@Override
protected boolean accepts(@NotNull Accessor accessor, @NotNull Object bean, @Nullable Object beanValue) {
if (beanValue == null) {
return false;
}
ThreeState accepts = accepts(accessor.getName(), beanValue);
if (accepts != ThreeState.UNSURE) {
return accepts.toBoolean();
}
if (Boolean.FALSE.equals(beanValue) ||
(beanValue instanceof String && ((String)beanValue).isEmpty()) ||
beanValue instanceof Collection && ((Collection)beanValue).isEmpty() ||
(beanValue instanceof Map && ((Map)beanValue).isEmpty())) {
return false;
}
return true;
}
protected ThreeState accepts(@NotNull String name, @NotNull Object beanValue) {
return ThreeState.UNSURE;
}
}