com.clickntap.utils.URLUtils Maven / Gradle / Ivy

package com.clickntap.utils;

import java.io.ByteArrayOutputStream;
import java.io.File;
import java.io.FileOutputStream;
import java.io.InputStream;
import java.net.URL;

public class URLUtils {

  public static String getSource(String url, String charsetName) throws Exception {
    if (url.startsWith("//")) {
      url = "http:" + url;

    }
    String source = null;
    InputStream in = new URL(url).openStream();
    ByteArrayOutputStream out = new ByteArrayOutputStream();
    IOUtils.copy(in, out);
    source = out.toString(charsetName);
    out.close();
    in.close();
    return source;
  }

  public static void download(String url, File file) throws Exception {
    InputStream in = new URL(url).openStream();
    FileOutputStream out = new FileOutputStream(file);
    IOUtils.copy(in, out);
    out.close();
    in.close();
  }

  public static String getSource(String url) throws Exception {
    return getSource(url, ConstUtils.UTF_8);
  }
}