com.addthis.bundle.util.ValueObjectToString.java Source code

Introduction

Here is the source code for com.addthis.bundle.util.ValueObjectToString.java

Source

/*
 * 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.addthis.bundle.util;

import java.util.List;

import com.addthis.bundle.value.ValueObject;

import com.google.common.base.Function;
import com.google.common.base.Joiner;
import com.google.common.collect.Lists;

public class ValueObjectToString implements Function<ValueObject, String> {
    public static final ValueObjectToString INSTANCE = new ValueObjectToString();
    public static final Joiner ARRAY_JOINER = Joiner.on(',');

    @Override
    public String apply(ValueObject input) {
        return input.asString().asNative();
    }

    public static String valueArrayToString(List<ValueObject> valueArray) {
        return ValueObjectToString.ARRAY_JOINER.join(Lists.transform(valueArray, INSTANCE));
    }
}