Android Open Source - AdvancedPlayer Parse Html To Url

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Back to project page AdvancedPlayer.

License

The source code is released under:

Apache License

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Java Source Code

package com.huilan.library_videoplay.util;
/*from  w ww  .  ja  va2s . c  o  m*/
import android.text.TextUtils;

import org.apache.http.HttpResponse;
import org.apache.http.HttpStatus;
import org.apache.http.client.HttpClient;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.impl.client.DefaultHttpClient;

import java.io.InputStream;
import java.util.regex.Matcher;
import java.util.regex.Pattern;

/**
 * Created by liujigang on 2014/9/30 0030.
 */
public class ParseHtmlToUrl {
    /**
     * ????html ???????????????url
     */
    public String getVideoUrl(String url, String regex) {
        if (TextUtils.isEmpty(regex)) {
            return "";
        }
        String content = parseHtml(url);
//        String regex = "(/eportal/immovableDir/lszrmzf/resource/cms/)(.{0,50})\\.flv";
        Pattern pa = Pattern.compile(regex, Pattern.DOTALL);
        Matcher ma = pa.matcher(content);
        if (ma.find()) {
            int endIndex = url.indexOf('/', 9);
            String group = ma.group();
            if (group.startsWith("http")) {
                return group;
            } else {
                String hostUrl = url.substring(0, endIndex == -1 ? url.length() : endIndex);
                return hostUrl + group;
            }
        } else {
            return "";
        }
    }

    public String parseHtml(String url) {
        try {
            HttpClient getClient = new DefaultHttpClient();
            HttpGet request = new HttpGet(url);
            HttpResponse response = getClient.execute(request);
            if (response.getStatusLine().getStatusCode() == HttpStatus.SC_OK) {
                InputStream is = response.getEntity().getContent();

                long contentLength = response.getEntity().getContentLength();
                if (contentLength > 1024 * 500) {//1024*1024
                    is.close();
                    is = null;
                    return "";
                }
                StringBuilder sb = new StringBuilder();
                int len;
                byte[] bytes = new byte[1024];
                while ((len = is.read(bytes)) != -1) {
                    sb.append(new String(bytes, 0, len, "utf-8"));
                    if (sb.length() > 1024 * 500) {
                        sb.delete(0, sb.length());
                        sb = null;
                        return "";
                    }
                }
                is.close();
                is = null;
                return sb.toString();
            } else {
                return "";
            }
        } catch (Exception e) {
            e.printStackTrace();
        }
        return "";
    }
}

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