com.github.jeluard.guayaba.lang.ToStringBuilders.java Source code

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/**
 * Copyright 2012 Julien Eluard
 * This project includes software developed by Julien Eluard: https://github.com/jeluard/
 *
 * 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.github.jeluard.guayaba.lang;

import com.github.jeluard.guayaba.lang.reflect.Fields;
import com.google.common.base.Objects;
import com.google.common.base.Preconditions;

import java.lang.reflect.Field;

/**
 * Helper methods for {@link Objects.ToStringHelper}.
 */
public final class ToStringBuilders {

    private ToStringBuilders() {
    }

    /**
     * @param object
     * @return a {@link String} representation of specified object.
     */
    public static String reflectionToString(final Object object) {
        Preconditions.checkNotNull(object, "null object");

        final Objects.ToStringHelper toStringHelper = Objects.toStringHelper(object);
        for (final Field field : Classes.allFields(object.getClass())) {
            field.setAccessible(true);
            toStringHelper.add(field.getName(), Fields.get(field, object));
        }
        return toStringHelper.toString();
    }

}