Example usage for java.net HttpURLConnection setRequestMethod

List of usage examples for java.net HttpURLConnection setRequestMethod

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Introduction

In this page you can find the example usage for java.net HttpURLConnection setRequestMethod.

Prototype

public void setRequestMethod(String method) throws ProtocolException

Source Link

Document

Set the method for the URL request, one of:
  • GET
  • POST
  • HEAD
  • OPTIONS
  • PUT
  • DELETE
  • TRACE
are legal, subject to protocol restrictions.

Usage

From source file:com.sunchenbin.store.feilong.core.net.URLConnectionUtil.java

/**
 * Prepare connection./*from w  w w  . j av a2s  .c  om*/
 *
 * @param httpURLConnection
 *            the http url connection
 * @param httpRequest
 *            the http request
 * @param useConnectionConfig
 *            the use connection config
 * @throws IOException
 *             the IO exception
 * @since 1.4.0
 * @see "org.springframework.http.client.SimpleClientHttpRequestFactory#prepareConnection(HttpURLConnection, String)"
 */
private static void prepareConnection(HttpURLConnection httpURLConnection, HttpRequest httpRequest,
        ConnectionConfig useConnectionConfig) throws IOException {
    HttpMethodType httpMethodType = httpRequest.getHttpMethodType();

    // ?HttpUrlConnectionconnectTimeout
    httpURLConnection.setConnectTimeout(useConnectionConfig.getConnectTimeout());
    httpURLConnection.setReadTimeout(useConnectionConfig.getReadTimeout());

    httpURLConnection.setRequestMethod(httpMethodType.getMethod().toUpperCase());//?,?  java.net.ProtocolException: Invalid HTTP method: get

    httpURLConnection.setDoOutput(HttpMethodType.POST == httpMethodType);

    Map<String, String> headerMap = httpRequest.getHeaderMap();
    if (null != headerMap) {
        for (Map.Entry<String, String> entry : headerMap.entrySet()) {
            httpURLConnection.setRequestProperty(entry.getKey(), entry.getValue());
        }
    }
}

From source file:com.headswilllol.basiclauncher.Launcher.java

public static int getFileSize(URL url) {
    HttpURLConnection conn = null;
    try {//from ww w. j av a  2s .co m
        conn = (HttpURLConnection) url.openConnection();
        conn.setRequestMethod("HEAD"); // joke's on you if the server doesn't specify
        conn.getInputStream();
        return conn.getContentLength();
    } catch (Exception e) {
        return -1;
    } finally {
        if (conn != null)
            conn.disconnect();
    }
}

From source file:br.bireme.tb.URLS.java

/**
 * Given an url, loads its content (GET - method)
 * @param url url to be loaded/* www  .  j  a va2 s. c  om*/
 * @return an array with the real location of the page (in case of redirect)
 * and its content.
 * @throws IOException
 */
public static String[] loadPageGet(final URL url) throws IOException {
    if (url == null) {
        throw new NullPointerException("url");
    }
    System.out.print("loading page (GET) : [" + url + "]");
    HttpURLConnection.setFollowRedirects(false);
    HttpURLConnection connection = (HttpURLConnection) url.openConnection();
    connection.setRequestMethod("GET");
    connection.setRequestProperty("Accept-Charset", DEFAULT_ENCODING);
    connection.setRequestProperty("User-Agent", "curl/7.29.0");
    connection.setRequestProperty("Accept", "*/*");
    connection.connect();

    int respCode = connection.getResponseCode();
    final StringBuilder builder = new StringBuilder();
    String location = url.toString();

    while ((respCode >= 300) && (respCode <= 399)) {
        location = connection.getHeaderField("Location");
        connection = (HttpURLConnection) new URL(location).openConnection();
        respCode = connection.getResponseCode();
    }

    final boolean respCodeOk = (respCode == 200);
    final BufferedReader reader;
    boolean skipLine = false;

    if (respCodeOk) {
        reader = new BufferedReader(new InputStreamReader(connection.getInputStream(), DEFAULT_ENCODING));
    } else {
        reader = new BufferedReader(new InputStreamReader(connection.getErrorStream(), DEFAULT_ENCODING));
    }

    while (true) {
        String line = reader.readLine();
        if (line == null) {
            break;
        }
        final String line2 = line.trim();

        if (line2.startsWith("<!--")) {
            if (line2.endsWith("-->")) {
                continue;
            }
            skipLine = true;
        } else if (line2.endsWith("-->")) {
            skipLine = false;
            line = "";
        }
        if (!skipLine) {
            builder.append(line);
            builder.append("\n");
        }
    }
    reader.close();
    connection.disconnect();

    if (!respCodeOk) {
        throw new IOException("url=[" + url + "]\ncode=" + respCode + "\n" + builder.toString());
    }
    //System.out.print("+");
    System.out.println(" - OK");

    return new String[] { location, builder.toString() };
}

From source file:net.ftb.util.DownloadUtils.java

/**
 * @param file - the name of the file, as saved to the repo (including extension)
 * @param backupLink - the link of the location to backup to if the repo copy isn't found
 * @return - the direct static link or the backup link if the file isn't found
 *//*from   w  w w. java 2s. c  o  m*/
public static String getStaticCreeperhostLinkOrBackup(String file, String backupLink) {
    String resolved = (downloadServers.containsKey(Settings.getSettings().getDownloadServer()))
            ? "http://" + downloadServers.get(Settings.getSettings().getDownloadServer())
            : Locations.masterRepo;
    resolved += "/FTB2/static/" + file;
    HttpURLConnection connection = null;
    boolean good = false;
    try {
        connection = (HttpURLConnection) new URL(resolved).openConnection();
        connection.setRequestProperty("Cache-Control", "no-transform");
        connection.setRequestMethod("HEAD");
        if (connection.getResponseCode() != 200) {
            for (String server : downloadServers.values()) {
                if (connection.getResponseCode() != 200) {
                    resolved = "http://" + server + "/FTB2/static/" + file;
                    connection = (HttpURLConnection) new URL(resolved).openConnection();
                    connection.setRequestProperty("Cache-Control", "no-transform");
                    connection.setRequestMethod("HEAD");
                } else {
                    if (connection.getResponseCode() == 200)
                        good = true;
                    break;
                }
            }
        } else if (connection.getResponseCode() == 200) {
            good = true;
        }
    } catch (IOException e) {
    }
    connection.disconnect();
    if (good)
        return resolved;
    else {
        Logger.logWarn("Using backupLink for " + file);
        return backupLink;
    }
}

From source file:com.example.android.ennis.barrett.popularmovies.asynchronous.TMDbSyncUtil.java

private static String fetch(Uri uri) {
    HttpURLConnection connection = null;
    BufferedReader reader = null;
    String rawJSON = "";

    Log.d(TAG, uri.toString());// w  ww  .j a  v  a 2  s .  c  o m
    try {
        URL url = new URL(uri.toString()); //java.net Malformed uri exception

        connection = (HttpURLConnection) url.openConnection(); //java.io.  IO exception
        connection.setRequestMethod("GET"); //java.net.ProtocolException && unnecessary
        connection.connect(); //java.io.IOExecption

        InputStream inputStream = connection.getInputStream(); // java.io.IOException
        StringBuffer stringBuffer = new StringBuffer();

        if (inputStream == null) {
            return rawJSON;
        }
        reader = new BufferedReader(new InputStreamReader(inputStream));

        //Make the string more readable
        String line;
        while ((line = reader.readLine()) != null) {
            stringBuffer.append(line + "\n");
        }

        rawJSON = stringBuffer.toString();
        Log.d(TAG + "doInBackground", rawJSON);

    } catch (IOException e) {
        Log.e(TAG, "Error ", e);
        e.printStackTrace();
    } finally {
        if (connection != null) {
            connection.disconnect();
        }
        if (reader != null) {
            try {
                reader.close();
            } catch (final IOException e) {
                Log.e(TAG, "Error closing stream", e);
            }
        }
    }

    return rawJSON;
}

From source file:com.expertiseandroid.lib.sociallib.utils.Utils.java

/**
 * Sends a POST request with an attached object
 * @param url the url that should be opened
 * @param params the body parameters//from www.ja  v a  2 s.  c  o m
 * @param attachment the object to be attached
 * @return the response
 * @throws IOException
 */
public static String postWithAttachment(String url, Map<String, String> params, Object attachment)
        throws IOException {
    String boundary = generateBoundaryString(10);
    URL servUrl = new URL(url);
    HttpURLConnection conn = (HttpURLConnection) servUrl.openConnection();
    conn.setRequestProperty("User-Agent", System.getProperties().getProperty("http.agent") + SOCIALLIB);
    conn.setRequestMethod("POST");
    String contentType = "multipart/form-data; boundary=" + boundary;
    conn.setRequestProperty("Content-Type", contentType);

    byte[] body = generatePostBody(params, attachment, boundary);

    conn.setDoOutput(true);
    conn.connect();
    OutputStream out = conn.getOutputStream();
    out.write(body);
    InputStream is = null;
    try {
        is = conn.getInputStream();
    } catch (FileNotFoundException e) {
        is = conn.getErrorStream();
    } catch (Exception e) {
        int statusCode = conn.getResponseCode();
        Log.e("Response code", "" + statusCode);
        return conn.getResponseMessage();
    }

    BufferedReader r = new BufferedReader(new InputStreamReader(is));
    StringBuilder sb = new StringBuilder();
    String l;
    while ((l = r.readLine()) != null)
        sb.append(l).append('\n');
    out.close();
    is.close();
    if (conn != null)
        conn.disconnect();
    return sb.toString();
}

From source file:com.alibaba.akita.io.HttpInvoker.java

/**
 * post with files using URLConnection Impl
 * @param actionUrl URL to post/*from   w w w. java 2 s. c  om*/
 * @param params params to post
 * @param files files to post, support multi-files
 * @return response in String format
 * @throws IOException
 */
public static String postWithFilesUsingURLConnection(String actionUrl, ArrayList<NameValuePair> params,
        Map<String, File> files) throws AkInvokeException {
    try {
        String BOUNDARY = java.util.UUID.randomUUID().toString();
        String PREFIX = "--", LINEND = "\r\n";
        String MULTIPART_FROM_DATA = "multipart/form-data";
        String CHARSET = "UTF-8";

        URL uri = new URL(actionUrl);
        HttpURLConnection conn = (HttpURLConnection) uri.openConnection();

        conn.setReadTimeout(60 * 1000);
        conn.setDoInput(true); // permit input
        conn.setDoOutput(true); // permit output
        conn.setUseCaches(false);
        conn.setRequestMethod("POST"); // Post Method
        conn.setRequestProperty("connection", "keep-alive");
        conn.setRequestProperty("Charsert", "UTF-8");
        conn.setRequestProperty("Content-Type", MULTIPART_FROM_DATA + ";boundary=" + BOUNDARY);

        // firstly string params to add
        StringBuilder sb = new StringBuilder();
        for (NameValuePair nameValuePair : params) {
            sb.append(PREFIX);
            sb.append(BOUNDARY);
            sb.append(LINEND);
            sb.append("Content-Disposition: form-data; name=\"" + nameValuePair.getName() + "\"" + LINEND);
            sb.append("Content-Type: text/plain; charset=" + CHARSET + LINEND);
            sb.append("Content-Transfer-Encoding: 8bit" + LINEND);
            sb.append(LINEND);
            sb.append(nameValuePair.getValue());
            sb.append(LINEND);
        }

        DataOutputStream outStream = new DataOutputStream(conn.getOutputStream());
        outStream.write(sb.toString().getBytes());
        // send files secondly
        if (files != null) {
            int num = 0;
            for (Map.Entry<String, File> file : files.entrySet()) {
                num++;
                if (file.getKey() == null || file.getValue() == null)
                    continue;
                else {
                    if (!file.getValue().exists()) {
                        throw new AkInvokeException(AkInvokeException.CODE_FILE_NOT_FOUND,
                                "The file to upload is not found.");
                    }
                }
                StringBuilder sb1 = new StringBuilder();
                sb1.append(PREFIX);
                sb1.append(BOUNDARY);
                sb1.append(LINEND);
                sb1.append("Content-Disposition: form-data; name=\"file" + num + "\"; filename=\""
                        + file.getKey() + "\"" + LINEND);
                sb1.append("Content-Type: application/octet-stream; charset=" + CHARSET + LINEND);
                sb1.append(LINEND);
                outStream.write(sb1.toString().getBytes());

                InputStream is = new FileInputStream(file.getValue());
                byte[] buffer = new byte[1024];
                int len = 0;
                while ((len = is.read(buffer)) != -1) {
                    outStream.write(buffer, 0, len);
                }

                is.close();
                outStream.write(LINEND.getBytes());
            }
        }

        // request end flag
        byte[] end_data = (PREFIX + BOUNDARY + PREFIX + LINEND).getBytes();
        outStream.write(end_data);
        outStream.flush();
        // get response code
        int res = conn.getResponseCode();
        InputStream in = conn.getInputStream();
        StringBuilder sb2 = new StringBuilder();
        if (res == 200) {
            BufferedReader reader = new BufferedReader(new InputStreamReader(in, "utf-8"), 8192);
            String line = null;
            while ((line = reader.readLine()) != null) {
                sb2.append(line + "\n");
            }
            reader.close();
        }
        outStream.close();
        conn.disconnect();
        return sb2.toString();
    } catch (IOException ioe) {
        throw new AkInvokeException(AkInvokeException.CODE_IO_EXCEPTION, "IO Exception", ioe);
    }
}

From source file:com.mingsoft.weixin.http.HttpClientConnectionManager.java

/**
 * ?/*from w  w  w . ja va 2s  .c  om*/
 * @param postUrl ?
 * @param param ?
 * @param method 
 * @return null
 */
public static String request(String postUrl, String param, String method) {
    URL url;
    try {
        url = new URL(postUrl);

        HttpURLConnection conn;
        conn = (HttpURLConnection) url.openConnection();
        conn.setConnectTimeout(30000); // ??)
        conn.setReadTimeout(30000); // ????)
        conn.setDoOutput(true); // post??http?truefalse
        conn.setDoInput(true); // ?httpUrlConnectiontrue
        conn.setUseCaches(false); // Post ?
        conn.setRequestProperty("Content-Type", "application/x-www-form-urlencoded");
        conn.setRequestMethod(method);// "POST"GET
        conn.setRequestProperty("Content-Length", param.length() + "");
        String encode = "utf-8";
        OutputStreamWriter out = null;
        out = new OutputStreamWriter(conn.getOutputStream(), encode);
        out.write(param);
        out.flush();

        if (conn.getResponseCode() != HttpURLConnection.HTTP_OK) {
            return null;
        }
        // ??
        BufferedReader in = new BufferedReader(new InputStreamReader(conn.getInputStream(), "UTF-8"));
        String line = "";
        StringBuffer strBuf = new StringBuffer();
        while ((line = in.readLine()) != null) {
            strBuf.append(line).append("\n");
        }
        in.close();
        out.close();
        return strBuf.toString();
    } catch (MalformedURLException e2) {
        // TODO Auto-generated catch block
        e2.printStackTrace();
    } catch (UnsupportedEncodingException e) {
        // TODO Auto-generated catch block
        e.printStackTrace();
    } catch (IOException e) {
        // TODO Auto-generated catch block
        e.printStackTrace();
    }
    return null;
}

From source file:com.jooketechnologies.network.ServerUtilities.java

static JSONObject post(String endpoint, int action, Map<String, String> params) {
    URL url;/*from  w  w  w . ja  v  a 2s.  c  o m*/
    try {
        url = new URL(endpoint);
    } catch (MalformedURLException e) {
        throw new IllegalArgumentException("invalid url: " + endpoint);
    }
    StringBuilder bodyBuilder = new StringBuilder();
    Iterator<Entry<String, String>> iterator = params.entrySet().iterator();
    // constructs the POST body using the parameters
    while (iterator.hasNext()) {
        Entry<String, String> param = iterator.next();
        bodyBuilder.append(param.getKey()).append('=').append(param.getValue());
        if (iterator.hasNext()) {
            bodyBuilder.append('&');
        }
    }
    String body = bodyBuilder.toString();
    byte[] bytes = body.getBytes();
    HttpURLConnection conn = null;
    try {
        conn = (HttpURLConnection) url.openConnection();
        conn.setDoOutput(true);
        conn.setUseCaches(false);
        conn.setFixedLengthStreamingMode(bytes.length);
        conn.setRequestMethod("POST");
        conn.setRequestProperty("Content-Type", "application/x-www-form-urlencoded;charset=UTF-8");
        // post the request
        OutputStream out = conn.getOutputStream();
        out.write(bytes);
        out.close();
        // handle the response

        int status = conn.getResponseCode();
        InputStream is = conn.getInputStream();
        if (status != 200) {
            if (conn != null) {
                conn.disconnect();
            }
        } else {
            JSONObject jsonObject = streamToString(is);
            return jsonObject;
        }
    } catch (IOException e) {

        e.printStackTrace();
    }
    return null;

}

From source file:org.akita.io.HttpInvoker.java

/**
 * post with files using URLConnection Impl
 * @param actionUrl URL to post//from ww w.  j  a  v a 2s . c  o m
 * @param params params to post
 * @param files files to post, support multi-files
 * @return response in String format
 * @throws IOException
 */
public static String postWithFilesUsingURLConnection(String actionUrl, ArrayList<NameValuePair> params,
        Map<String, File> files) throws AkInvokeException {
    try {
        Log.v(TAG, "post:" + actionUrl);
        if (params != null) {
            Log.v(TAG, "params:=====================");
            for (NameValuePair nvp : params) {
                Log.v(TAG, nvp.getName() + "=" + nvp.getValue());
            }
            Log.v(TAG, "params end:=====================");
        }

        String BOUNDARY = java.util.UUID.randomUUID().toString();
        String PREFIX = "--", LINEND = "\r\n";
        String MULTIPART_FROM_DATA = "multipart/form-data";
        String CHARSET = "UTF-8";

        URL uri = new URL(actionUrl);
        HttpURLConnection conn = (HttpURLConnection) uri.openConnection();

        conn.setReadTimeout(60 * 1000);
        conn.setDoInput(true); // permit input
        conn.setDoOutput(true); // permit output
        conn.setUseCaches(false);
        conn.setRequestMethod("POST"); // Post Method
        conn.setRequestProperty("connection", "keep-alive");
        conn.setRequestProperty("Charsert", "UTF-8");
        conn.setRequestProperty("Content-Type", MULTIPART_FROM_DATA + ";boundary=" + BOUNDARY);

        // firstly string params to add
        StringBuilder sb = new StringBuilder();
        for (NameValuePair nameValuePair : params) {
            sb.append(PREFIX);
            sb.append(BOUNDARY);
            sb.append(LINEND);
            sb.append("Content-Disposition: form-data; name=\"" + nameValuePair.getName() + "\"" + LINEND);
            sb.append("Content-Type: text/plain; charset=" + CHARSET + LINEND);
            sb.append("Content-Transfer-Encoding: 8bit" + LINEND);
            sb.append(LINEND);
            sb.append(nameValuePair.getValue());
            sb.append(LINEND);
        }

        DataOutputStream outStream = new DataOutputStream(conn.getOutputStream());
        outStream.write(sb.toString().getBytes());
        // send files secondly
        if (files != null) {
            int num = 0;
            for (Map.Entry<String, File> file : files.entrySet()) {
                num++;
                if (file.getKey() == null || file.getValue() == null)
                    continue;
                else {
                    if (!file.getValue().exists()) {
                        throw new AkInvokeException(AkInvokeException.CODE_FILE_NOT_FOUND,
                                "The file to upload is not found.");
                    }
                }
                StringBuilder sb1 = new StringBuilder();
                sb1.append(PREFIX);
                sb1.append(BOUNDARY);
                sb1.append(LINEND);
                sb1.append("Content-Disposition: form-data; name=\"" + file.getKey() + "\"; filename=\""
                        + file.getKey() + "\"" + LINEND);
                sb1.append("Content-Type: application/octet-stream; charset=" + CHARSET + LINEND);
                sb1.append(LINEND);
                outStream.write(sb1.toString().getBytes());

                InputStream is = new FileInputStream(file.getValue());
                byte[] buffer = new byte[1024];
                int len = 0;
                while ((len = is.read(buffer)) != -1) {
                    outStream.write(buffer, 0, len);
                }

                is.close();
                outStream.write(LINEND.getBytes());
            }
        }

        // request end flag
        byte[] end_data = (PREFIX + BOUNDARY + PREFIX + LINEND).getBytes();
        outStream.write(end_data);
        outStream.flush();
        // get response code
        int res = conn.getResponseCode();
        InputStream in = conn.getInputStream();
        StringBuilder sb2 = new StringBuilder();
        if (res == 200) {
            BufferedReader reader = new BufferedReader(new InputStreamReader(in, "utf-8"), 8192);
            String line = null;
            while ((line = reader.readLine()) != null) {
                sb2.append(line + "\n");
            }
            reader.close();
        }
        outStream.close();
        conn.disconnect();
        Log.v(TAG, "response:" + sb2.toString());
        return sb2.toString();
    } catch (IOException ioe) {
        throw new AkInvokeException(AkInvokeException.CODE_IO_EXCEPTION, "IO Exception", ioe);
    }
}