Main.java Source code

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Here is the source code for Main.java

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//package com.java2s;
/*
 * Copyright (c) 2013. wyouflf (wyouflf@gmail.com)
 *
 * 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.
 */

import android.text.TextUtils;
import org.apache.http.Header;
import org.apache.http.HeaderElement;

import org.apache.http.NameValuePair;
import org.apache.http.client.methods.HttpRequestBase;

import java.nio.charset.Charset;

public class Main {
    public static Charset getCharsetFromHttpRequest(final HttpRequestBase request) {
        if (request == null)
            return null;
        String charsetName = null;
        Header header = request.getFirstHeader("Content-Type");
        if (header != null) {
            for (HeaderElement element : header.getElements()) {
                NameValuePair charsetPair = element.getParameterByName("charset");
                if (charsetPair != null) {
                    charsetName = charsetPair.getValue();
                    break;
                }
            }
        }

        boolean isSupportedCharset = false;
        if (!TextUtils.isEmpty(charsetName)) {
            try {
                isSupportedCharset = Charset.isSupported(charsetName);
            } catch (Throwable e) {
            }
        }

        return isSupportedCharset ? Charset.forName(charsetName) : null;
    }
}