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/*
 * Copyright 2019 the original author or authors.
 *
 * Licensed under the Apache, 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.gnu.org/licenses/lgpl-3.0.html
 *
 * 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.jn.easyjson.gson.exclusion;

import com.google.gson.ExclusionStrategy;
import com.google.gson.FieldAttributes;
import com.jn.easyjson.core.exclusion.Exclusion;
import com.jn.langx.util.reflect.MethodAttributes;
import com.jn.langx.util.reflect.Reflects;

import java.lang.reflect.Field;
import java.lang.reflect.Method;

public class DelegateExclusionStrategy implements ExclusionStrategy {
    private Exclusion exclusion;
    private boolean serialize;

    public DelegateExclusionStrategy(Exclusion exclusion, boolean serialize) {
        this.exclusion = exclusion;
        this.serialize = serialize;
    }

    @Override
    public boolean shouldSkipField(FieldAttributes f) {
        Field field = Reflects.getAnyFieldValue(f, "field", true, true);
        Method getterOrSetter = serialize ? Reflects.getGetter(field.getDeclaringClass(), field.getName()) : Reflects.getSetter(field.getDeclaringClass(), f.getName());
        boolean skip = false;
        if (getterOrSetter != null) {
            skip = exclusion.shouldSkipMethod(new MethodAttributes(getterOrSetter), serialize);
        }
        if (!skip) {
            skip = exclusion.shouldSkipField(new GsonFieldAttributesAdapter(f, field), serialize);
        }
        return skip;
    }

    @Override
    public boolean shouldSkipClass(Class clazz) {
        return exclusion.shouldSkipClass(clazz, serialize);
    }
}




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