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) 2016 Qiscus.
 *
 * 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.util.Patterns;

import java.util.ArrayList;
import java.util.List;

import java.util.regex.Matcher;

public class Main {
    public static List<String> extractUrl(String text) {
        List<String> urls = new ArrayList<>();
        Matcher matcher = Patterns.WEB_URL.matcher(text);
        while (matcher.find()) {
            int start = matcher.start();
            if (start > 0 && text.charAt(start - 1) == '@') {
                continue;
            }
            String url = matcher.group();
            if (!url.startsWith("http")) {
                url = "http://" + url;
            }
            urls.add(url);
        }
        return urls;
    }
}