Main.java Source code

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Here is the source code for Main.java

Source

//package com.java2s;
/*
 * Copyright 2015 Yan Zhenjie
 *
 * 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 java.util.StringTokenizer;

public class Main {
    /**
     * A value of the header information.
     *
     * @param content      like {@code text/html;charset=utf-8}.
     * @param key          like {@code charset}.
     * @param defaultValue list {@code utf-8}.
     * @return If you have a value key, you will return the parsed value if you don't return the default value.
     */
    public static String parseHeadValue(String content, String key, String defaultValue) {
        if (!TextUtils.isEmpty(content) && !TextUtils.isEmpty(key)) {
            StringTokenizer stringTokenizer = new StringTokenizer(content, ";");
            while (stringTokenizer.hasMoreElements()) {
                String valuePair = stringTokenizer.nextToken();
                int index = valuePair.indexOf('=');
                if (index > 0) {
                    String name = valuePair.substring(0, index).trim();
                    if (key.equalsIgnoreCase(name)) {
                        defaultValue = valuePair.substring(index + 1).trim();
                        break;
                    }
                }
            }
        }
        return defaultValue;
    }
}