Java Code Examples for java.net.URL#openConnection()

The following examples show how to use java.net.URL#openConnection() . These examples are extracted from open source projects. You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example 1
Source Project: big-c   File: TestHFSTestCase.java    License: Apache License 2.0 6 votes vote down vote up
@Test
@TestJetty
public void testJetty() throws Exception {
  Context context = new Context();
  context.setContextPath("/");
  context.addServlet(MyServlet.class, "/bar");
  Server server = TestJettyHelper.getJettyServer();
  server.addHandler(context);
  server.start();
  URL url = new URL(TestJettyHelper.getJettyURL(), "/bar");
  HttpURLConnection conn = (HttpURLConnection) url.openConnection();
  assertEquals(conn.getResponseCode(), HttpURLConnection.HTTP_OK);
  BufferedReader reader = new BufferedReader(new InputStreamReader(conn.getInputStream()));
  assertEquals(reader.readLine(), "foo");
  reader.close();
}
 
Example 2
Source Project: hadoop   File: TestGlobalFilter.java    License: Apache License 2.0 6 votes vote down vote up
/** access a url, ignoring some IOException such as the page does not exist */
static void access(String urlstring) throws IOException {
  LOG.warn("access " + urlstring);
  URL url = new URL(urlstring);
  URLConnection connection = url.openConnection();
  connection.connect();
  
  try {
    BufferedReader in = new BufferedReader(new InputStreamReader(
        connection.getInputStream()));
    try {
      for(; in.readLine() != null; );
    } finally {
      in.close();
    }
  } catch(IOException ioe) {
    LOG.warn("urlstring=" + urlstring, ioe);
  }
}
 
Example 3
/**
 * Disconnect with Maximo Server
 * @throws IOException
 */
public void disconnect() throws IOException {
	String logout = this.options.getPublicURI()
			+ "/logout";
	if(this.getOptions().isMultiTenancy()){
		logout += "?&_tenantcode=" + this.getOptions().getTenantCode();
	}
	logger.fine(logout);
	URL httpURL = new URL(logout);

	// long t1 = System.currentTimeMillis();
	HttpURLConnection con = (HttpURLConnection) httpURL.openConnection();
	con.setRequestMethod("GET");
	this.setCookiesForSession(con);
	
	lastResponseCode = con.getResponseCode();
	if (lastResponseCode == 401) {
		logger.fine("Logout");
	}
	this.valid = false;
}
 
Example 4
public static void main(String[] args) throws Exception {
        initialize();
        fileUpload();

        //http://flameupload.com/process.php?upload_id=cf3feacdebff8f722a5a4051ccefda3f
        u = new URL("http://flameupload.com/process.php?upload_id=" + uploadid);
        uc = (HttpURLConnection) u.openConnection();
        System.out.println(uc.getURL());

        uc.setRequestProperty("Referer", "http://flameupload.com/cgi/ubr_upload.pl?upload_id=" + uploadid);
        br = new BufferedReader(new InputStreamReader(uc.getInputStream()));
        String temp = "", k = "";
        while ((temp = br.readLine()) != null) {
//            NULogger.getLogger().info(temp);
            System.out.println(temp);
            k += temp;
        }
        System.exit(0);
        downloadlink = parseResponse(k, "files/", "\"");
        downloadlink = "http://flameupload.com/files/" + downloadlink;
        NULogger.getLogger().log(Level.INFO, "Download link : {0}", downloadlink);


    }
 
Example 5
/**
 * This method returns the entire result from the HTTP response.
 *
 * @param url The URL to fetch the HTTP response from.
 * @return The contents of the HTTP response.
 * @throws IOException Related to network and stream reading
 */
public static String getResponseFromHttpUrl(URL url) throws IOException {
    HttpURLConnection urlConnection = (HttpURLConnection) url.openConnection();
    try {
        InputStream in = urlConnection.getInputStream();

        Scanner scanner = new Scanner(in);
        scanner.useDelimiter("\\A");

        boolean hasInput = scanner.hasNext();
        if (hasInput) {
            return scanner.next();
        } else {
            return null;
        }
    } finally {
        urlConnection.disconnect();
    }
}
 
Example 6
Source Project: HippyJava   File: WebUtils.java    License: MIT License 6 votes vote down vote up
/**
 * Returns the response from the given URL as an array of lines.
 * @param url
 *           The url to connect to.
 * @return
 *        A response string from the server.
 * @throws Exception
 *                  This exception is thrown when there was a problem connecting to the URL
 */
public static String[] getText(String url) throws Exception {
    URL website = new URL(url);
    URLConnection connection = website.openConnection();
    BufferedReader in = new BufferedReader(
                            new InputStreamReader(
                                connection.getInputStream()));

    ArrayList<String> lines = new ArrayList<String>();
    String inputLine;
    
    while ((inputLine = in.readLine()) != null) 
        lines.add(inputLine);

    in.close();

    return lines.toArray(new String[lines.size()]);
}
 
Example 7
private JSONObject getRemainingResource(Project project) throws IOException {
	URL url = new URL("https://api.github.com/rate_limit");
	HttpsURLConnection connection = (HttpsURLConnection) url.openConnection();
	connection.setRequestProperty("Authorization", "token " + ((GitHubRepository) project).getToken());
	connection.connect();
	InputStream is = connection.getInputStream();
	BufferedReader bufferReader = new BufferedReader(new InputStreamReader(is, Charset.forName(UTF8)));
	String jsonText = readAll(bufferReader);
	JSONObject obj = (JSONObject) JSONValue.parse(jsonText);
	return (JSONObject) obj.get("resources");
}
 
Example 8
Source Project: java-docs-samples   File: AppTest.java    License: Apache License 2.0 5 votes vote down vote up
private static TestResponse executeRequest(String method, String path) throws IOException {
  URL url = new URL("http://localhost:8080" + path);
  HttpURLConnection connection = (HttpURLConnection) url.openConnection();
  connection.setRequestMethod(method);
  connection.setDoOutput(true);
  connection.connect();
  String body = IOUtils.toString(connection.getInputStream());
  return new TestResponse(connection.getResponseCode(), body);
}
 
Example 9
/**
 * 下载文件
 *
 * @param destUrl
 * @param fileName
 * @throws IOException
 */
public static void downloadFile(String destUrl, String fileName) throws IOException {
    byte[] buf = new byte[1024];
    int size = 0;
    URL url = new URL(destUrl);
    HttpURLConnection httpUrl = (HttpURLConnection) url.openConnection();
    httpUrl.connect();
    try (BufferedInputStream bis = new BufferedInputStream(httpUrl.getInputStream()); FileOutputStream fos = new FileOutputStream(fileName)) {
        while ((size = bis.read(buf)) != -1) {
            fos.write(buf, 0, size);
        }
    }
    httpUrl.disconnect();
}
 
Example 10
Source Project: smart-framework   File: ClassTemplate.java    License: Apache License 2.0 5 votes vote down vote up
public final List<Class<?>> getClassList() {
    List<Class<?>> classList = new ArrayList<Class<?>>();
    try {
        // 从包名获取 URL 类型的资源
        Enumeration<URL> urls = ClassUtil.getClassLoader().getResources(packageName.replace(".", "/"));
        // 遍历 URL 资源
        while (urls.hasMoreElements()) {
            URL url = urls.nextElement();
            if (url != null) {
                // 获取协议名(分为 file 与 jar)
                String protocol = url.getProtocol();
                if (protocol.equals("file")) {
                    // 若在 class 目录中,则执行添加类操作
                    String packagePath = url.getPath().replaceAll("%20", " ");
                    addClass(classList, packagePath, packageName);
                } else if (protocol.equals("jar")) {
                    // 若在 jar 包中,则解析 jar 包中的 entry
                    JarURLConnection jarURLConnection = (JarURLConnection) url.openConnection();
                    JarFile jarFile = jarURLConnection.getJarFile();
                    Enumeration<JarEntry> jarEntries = jarFile.entries();
                    while (jarEntries.hasMoreElements()) {
                        JarEntry jarEntry = jarEntries.nextElement();
                        String jarEntryName = jarEntry.getName();
                        // 判断该 entry 是否为 class
                        if (jarEntryName.endsWith(".class")) {
                            // 获取类名
                            String className = jarEntryName.substring(0, jarEntryName.lastIndexOf(".")).replaceAll("/", ".");
                            // 执行添加类操作
                            doAddClass(classList, className);
                        }
                    }
                }
            }
        }
    } catch (Exception e) {
        logger.error("获取类出错!", e);
    }
    return classList;
}
 
Example 11
Source Project: react-native-fcm   File: SendNotificationTask.java    License: MIT License 5 votes vote down vote up
private Bitmap getBitmapFromURL(String strURL) {
    try {
        URL url = new URL(strURL);
        HttpURLConnection connection = (HttpURLConnection) url.openConnection();
        connection.setDoInput(true);
        connection.connect();
        InputStream input = connection.getInputStream();
        return BitmapFactory.decodeStream(input);
    } catch (IOException e) {
        e.printStackTrace();
        return null;
    }
}
 
Example 12
@Test
public void validAcceptHeader() throws Exception {
  URL url = new URL(SERVICE_URI + "ESAllPrim");

  HttpURLConnection connection = (HttpURLConnection) url.openConnection();
  connection.setRequestMethod(HttpMethod.GET.name());
  connection.setRequestProperty(HttpHeader.ACCEPT, "application/json");
  connection.connect();

  assertEquals(HttpStatusCode.OK.getStatusCode(), connection.getResponseCode());

  final String content = IOUtils.toString(connection.getInputStream());
  assertNotNull(content);
}
 
Example 13
private HttpURLConnection makePreSignedRequest(String method, String preSignedUrl, Map headers) throws IOException {
    URL url = new URL(preSignedUrl);
    HttpURLConnection connection = (HttpURLConnection) url.openConnection();
    connection.setRequestMethod(method);

    addHeaders(connection, headers);

    return connection;
}
 
Example 14
Source Project: Bats   File: VersionInfo.java    License: Apache License 2.0 5 votes vote down vote up
public VersionInfo(Class<?> classInJar, String groupId, String artifactId, String gitPropertiesResource)
{
  try {
    URL res = classInJar.getResource(classInJar.getSimpleName() + ".class");
    URLConnection conn = res.openConnection();
    if (conn instanceof JarURLConnection) {
      Manifest mf = ((JarURLConnection)conn).getManifest();
      Attributes mainAttribs = mf.getMainAttributes();
      String builtBy = mainAttribs.getValue("Built-By");
      if (builtBy != null) {
        this.user = builtBy;
      }
    }

    Enumeration<URL> resources = classInJar.getClassLoader().getResources("META-INF/maven/" + groupId + "/" + artifactId + "/pom.properties");
    while (resources.hasMoreElements()) {
      Properties pomInfo = new Properties();
      pomInfo.load(resources.nextElement().openStream());
      String v = pomInfo.getProperty("version", "unknown");
      this.version = v;
    }

    resources = VersionInfo.class.getClassLoader().getResources(gitPropertiesResource);
    while (resources.hasMoreElements()) {
      Properties gitInfo = new Properties();
      gitInfo.load(resources.nextElement().openStream());
      String commitAbbrev = gitInfo.getProperty("git.commit.id.abbrev", "unknown");
      String branch = gitInfo.getProperty("git.branch", "unknown");
      this.revision = "rev: " + commitAbbrev + " branch: " + branch;
      this.date = gitInfo.getProperty("git.build.time", this.date);
      this.user = gitInfo.getProperty("git.build.user.name", this.user);
      break;
    }

  } catch (IOException e) {
    org.slf4j.LoggerFactory.getLogger(VersionInfo.class).error("Failed to read version info", e);
  }
}
 
Example 15
Source Project: olingo-odata4   File: BasicHttpITCase.java    License: Apache License 2.0 5 votes vote down vote up
@Test
public void testBaseTypeDerivedTypeCasting2() throws Exception {
  URL url = new URL(SERVICE_URI + "ESTwoPrim(111)/olingo.odata.test1.ETBase/AdditionalPropertyString_5");

  HttpURLConnection connection = (HttpURLConnection) url.openConnection();
  connection.setRequestMethod(HttpMethod.GET.name());
  connection.setRequestProperty(HttpHeader.ACCEPT, "application/json");
  connection.connect();

  assertEquals(HttpStatusCode.OK.getStatusCode(), connection.getResponseCode());
  final String content = IOUtils.toString(connection.getInputStream());
  assertTrue(content.contains("\"TEST A 0815\""));
}
 
Example 16
Source Project: spiracle   File: FileUrlServlet.java    License: Apache License 2.0 4 votes vote down vote up
private InputStream getUrlInputStream(String path) throws MalformedURLException, IOException {
	URL url = new URL(path);
	URLConnection con = url.openConnection();
	return con.getInputStream();
}
 
Example 17
@Override
protected String doInBackground(String... params){

    String stringUrl = params[0];
    String firstName = params[1];
    String lastName = params[2];
    String email = params[3];
    String password = params[4];
    int yearOfBirth = Integer.parseInt(params[5]);


    JSONObject myjson = new JSONObject();

    try {

        myjson.put("user_first_name", firstName);
        myjson.put("user_last_name", lastName);
        myjson.put("user_email", email);
        myjson.put("user_password", password);
        myjson.put("user_year_birth", yearOfBirth);

        URL url = new URL(stringUrl+getPostDataString(myjson));
        HttpsURLConnection connection =(HttpsURLConnection) url.openConnection();

        connection.setRequestMethod(REQUEST_METHOD);
        connection.setReadTimeout(READ_TIMEOUT);
        connection.setConnectTimeout(CONNECTION_TIMEOUT);
        connection.setRequestProperty("Content-Type", "application/json");
        connection.setRequestProperty("Accept", "application/json");
        connection.setDoOutput(true);
        connection.setDoInput(true);

        String body = myjson.toString();
        OutputStream outputStream = new BufferedOutputStream(connection.getOutputStream());
        BufferedWriter writer = new BufferedWriter(new OutputStreamWriter(outputStream, "utf-8"));
        writer.write(body);
        writer.flush();
        writer.close();
        outputStream.close();

        connection.connect();
        BufferedReader in = new BufferedReader(new InputStreamReader(connection.getInputStream()));
        String inputLine;
        StringBuffer response = new StringBuffer();

        while ((inputLine = in.readLine()) != null) {
            response.append(inputLine);
        }
        in.close();

        connection.disconnect();
        return response.toString();
    }

    catch(Exception e) {
        return "Exception: " + e.getMessage();
    }
}
 
Example 18
Source Project: micro-integrator   File: FileServiceApp.java    License: Apache License 2.0 4 votes vote down vote up
private InputStream contactURL(String url) throws IOException {
	URL urlObj = new URL(url);
	URLConnection conn = urlObj.openConnection();
	return conn.getInputStream();
}
 
Example 19
/**
 * Opens and returns a connection to the given URL.
 * <p>The default implementation uses the given {@linkplain #setProxy(java.net.Proxy) proxy} -
 * if any - to open a connection.
 * @param url the URL to open a connection to
 * @param proxy the proxy to use, may be {@code null}
 * @return the opened connection
 * @throws IOException in case of I/O errors
 */
protected HttpURLConnection openConnection(URL url, @Nullable Proxy proxy) throws IOException {
	URLConnection urlConnection = (proxy != null ? url.openConnection(proxy) : url.openConnection());
	if (!HttpURLConnection.class.isInstance(urlConnection)) {
		throw new IllegalStateException("HttpURLConnection required for [" + url + "] but got: " + urlConnection);
	}
	return (HttpURLConnection) urlConnection;
}
 
Example 20
Source Project: Android-RTEditor   File: IOUtils.java    License: Apache License 2.0 3 votes vote down vote up
/**
 * Get the contents of a <code>URL</code> as a <code>byte[]</code>.
 *
 * @param url the <code>URL</code> to read
 * @return the requested byte array
 * @throws NullPointerException if the input is null
 * @throws IOException          if an I/O exception occurs
 * @since 2.4
 */
public static byte[] toByteArray(URL url) throws IOException {
    URLConnection conn = url.openConnection();
    try {
        return IOUtils.toByteArray(conn);
    } finally {
        close(conn);
    }
}