com.agileapes.couteau.http.util.HttpEntityStringTransformer.java Source code

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Here is the source code for com.agileapes.couteau.http.util.HttpEntityStringTransformer.java

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/*
 * The MIT License (MIT)
 *
 * Copyright (c) 2013 AgileApes, Ltd.
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy of
 * this software and associated documentation files (the "Software"), to deal in
 * the Software without restriction, including without limitation the rights to
 * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
 * the Software, and to permit persons to whom the Software is furnished to do so,
 * subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in all
 * copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
 * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
 * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
 * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 */

package com.agileapes.couteau.http.util;

import com.agileapes.couteau.basics.api.Transformer;
import org.apache.http.HttpEntity;
import org.apache.http.util.EntityUtils;

import java.nio.charset.Charset;

/**
 * @author Mohammad Milad Naseri (m.m.naseri@gmail.com)
 * @since 1.0 (14/6/15 AD, 19:30)
 */
public class HttpEntityStringTransformer implements Transformer<HttpEntity, String> {

    private final Charset charset;

    public HttpEntityStringTransformer() {
        this(Charset.defaultCharset());
    }

    public HttpEntityStringTransformer(String charset) {
        this(Charset.forName(charset));
    }

    public HttpEntityStringTransformer(Charset charset) {
        this.charset = charset;
    }

    @Override
    public String map(HttpEntity input) {
        try {
            return EntityUtils.toString(input, charset);
        } catch (Throwable e) {
            return null;
        }
    }

}