Example usage for org.apache.http.client.methods HttpHead HttpHead

List of usage examples for org.apache.http.client.methods HttpHead HttpHead

Introduction

In this page you can find the example usage for org.apache.http.client.methods HttpHead HttpHead.

Prototype

public HttpHead(final String uri) 

Source Link

Usage

From source file:com.basho.riak.client.http.util.ClientHelper.java

/**
 * Same as {@link RiakClient}, except only returning the HTTP response
 *//*from   w w w .  j  a  v a  2s  .c  om*/
public HttpResponse fetchMeta(String bucket, String key, RequestMeta meta) {
    if (meta == null) {
        meta = new RequestMeta();
    }

    HttpHead head = new HttpHead(ClientUtils.makeURI(config, bucket, key));
    return executeMethod(bucket, key, head, meta);
}

From source file:com.amos.tool.SelfRedirectStrategy.java

public HttpUriRequest getRedirect(final HttpRequest request, final HttpResponse response,
        final HttpContext context) throws ProtocolException {
    final URI uri = getLocationURI(request, response, context);
    final String method = request.getRequestLine().getMethod();
    if (method.equalsIgnoreCase(HttpHead.METHOD_NAME)) {
        return new HttpHead(uri);
    } else if (method.equalsIgnoreCase(HttpGet.METHOD_NAME)) {
        return new HttpGet(uri);
    } else if (method.equalsIgnoreCase(HttpPost.METHOD_NAME)) {
        return new HttpPost(uri);
    } else {// ww w .j ava  2 s  . c o  m
        final int status = response.getStatusLine().getStatusCode();
        if (status == HttpStatus.SC_TEMPORARY_REDIRECT) {
            return RequestBuilder.copy(request).setUri(uri).build();
        } else {
            return new HttpGet(uri);
        }
    }
}

From source file:self.philbrown.javaQuery.AjaxTask.java

@Override
protected TaskResponse doInBackground(Void... arg0) {
    //handle cached responses
    CachedResponse cachedResponse = URLresponses
            .get(String.format(Locale.US, "%s_?=%s", options.url(), options.dataType()));
    //handle ajax caching option
    if (cachedResponse != null) {
        if (options.cache()) {
            if (new Date().getTime() - cachedResponse.timestamp.getTime() < options.cacheTimeout()) {
                //return cached response
                Success s = new Success();
                s.obj = cachedResponse.response;
                s.reason = "cached response";
                s.headers = null;/*from  w w w . j  a v a  2  s .c o  m*/
                return s;
            }
        }

    }

    if (request == null) {
        String type = options.type();
        if (type == null)
            type = "GET";
        if (type.equalsIgnoreCase("DELETE")) {
            request = new HttpDelete(options.url());
        } else if (type.equalsIgnoreCase("GET")) {
            request = new HttpGet(options.url());
        } else if (type.equalsIgnoreCase("HEAD")) {
            request = new HttpHead(options.url());
        } else if (type.equalsIgnoreCase("OPTIONS")) {
            request = new HttpOptions(options.url());
        } else if (type.equalsIgnoreCase("POST")) {
            request = new HttpPost(options.url());
        } else if (type.equalsIgnoreCase("PUT")) {
            request = new HttpPut(options.url());
        } else if (type.equalsIgnoreCase("TRACE")) {
            request = new HttpTrace(options.url());
        } else if (type.equalsIgnoreCase("CUSTOM")) {
            try {
                request = options.customRequest();
            } catch (Exception e) {
                request = null;
            }

            if (request == null) {
                Log.w("javaQuery.ajax",
                        "CUSTOM type set, but AjaxOptions.customRequest is invalid. Defaulting to GET.");
                request = new HttpGet();
            }

        } else {
            //default to GET
            request = new HttpGet();
        }
    }

    Map<String, Object> args = new HashMap<String, Object>();
    args.put("options", options);
    args.put("request", request);
    EventCenter.trigger("ajaxPrefilter", args, null);

    if (options.headers() != null) {
        if (options.headers().authorization() != null) {
            options.headers()
                    .authorization(options.headers().authorization() + " " + options.getEncodedCredentials());
        } else if (options.username() != null) {
            //guessing that authentication is basic
            options.headers().authorization("Basic " + options.getEncodedCredentials());
        }

        for (Entry<String, String> entry : options.headers().map().entrySet()) {
            request.addHeader(entry.getKey(), entry.getValue());
        }
    }

    if (options.data() != null) {
        try {
            Method setEntity = request.getClass().getMethod("setEntity", new Class<?>[] { HttpEntity.class });
            if (options.processData() == null) {
                setEntity.invoke(request, new StringEntity(options.data().toString()));
            } else {
                Class<?> dataProcessor = Class.forName(options.processData());
                Constructor<?> constructor = dataProcessor.getConstructor(new Class<?>[] { Object.class });
                setEntity.invoke(request, constructor.newInstance(options.data()));
            }
        } catch (Throwable t) {
            Log.w("Ajax", "Could not post data");
        }
    }

    HttpParams params = new BasicHttpParams();

    if (options.timeout() != 0) {
        HttpConnectionParams.setConnectionTimeout(params, options.timeout());
        HttpConnectionParams.setSoTimeout(params, options.timeout());
    }

    HttpClient client = new DefaultHttpClient(params);

    HttpResponse response = null;
    try {

        if (options.cookies() != null) {
            CookieStore cookies = new BasicCookieStore();
            for (Entry<String, String> entry : options.cookies().entrySet()) {
                cookies.addCookie(new BasicClientCookie(entry.getKey(), entry.getValue()));
            }
            HttpContext httpContext = new BasicHttpContext();
            httpContext.setAttribute(ClientContext.COOKIE_STORE, cookies);
            response = client.execute(request, httpContext);
        } else {
            response = client.execute(request);
        }

        if (options.dataFilter() != null) {
            if (options.context() != null)
                options.dataFilter().invoke(new $(options.context()), response, options.dataType());
            else
                options.dataFilter().invoke(null, response, options.dataType());
        }

        StatusLine statusLine = response.getStatusLine();

        Function function = options.statusCode().get(statusLine);
        if (function != null) {
            if (options.context() != null)
                function.invoke(new $(options.context()));
            else
                function.invoke(null);
        }

        if (statusLine.getStatusCode() >= 300) {
            //an error occurred
            Error e = new Error();
            AjaxError error = new AjaxError();
            error.request = request;
            error.options = options;
            e.status = statusLine.getStatusCode();
            e.reason = statusLine.getReasonPhrase();
            error.status = e.status;
            error.reason = e.reason;
            e.headers = response.getAllHeaders();
            e.error = error;
            return e;
        } else {
            //handle dataType
            String dataType = options.dataType();
            if (dataType == null)
                dataType = "text";
            Object parsedResponse = null;
            boolean success = true;
            try {
                if (dataType.equalsIgnoreCase("text") || dataType.equalsIgnoreCase("html")) {
                    parsedResponse = parseText(response);
                } else if (dataType.equalsIgnoreCase("xml")) {
                    if (options.customXMLParser() != null) {
                        InputStream is = response.getEntity().getContent();
                        if (options.SAXContentHandler() != null)
                            options.customXMLParser().parse(is, options.SAXContentHandler());
                        else
                            options.customXMLParser().parse(is, new DefaultHandler());
                        parsedResponse = "Response handled by custom SAX parser";
                    } else if (options.SAXContentHandler() != null) {
                        InputStream is = response.getEntity().getContent();

                        SAXParserFactory factory = SAXParserFactory.newInstance();

                        factory.setFeature("http://xml.org/sax/features/namespaces", false);
                        factory.setFeature("http://xml.org/sax/features/namespace-prefixes", true);

                        SAXParser parser = factory.newSAXParser();

                        XMLReader reader = parser.getXMLReader();
                        reader.setContentHandler(options.SAXContentHandler());
                        reader.parse(new InputSource(is));
                        parsedResponse = "Response handled by custom SAX content handler";
                    } else {
                        parsedResponse = parseXML(response);
                    }
                } else if (dataType.equalsIgnoreCase("json")) {
                    parsedResponse = parseJSON(response);
                } else if (dataType.equalsIgnoreCase("script")) {
                    parsedResponse = parseScript(response);
                } else if (dataType.equalsIgnoreCase("image")) {
                    parsedResponse = parseImage(response);
                }
            } catch (ClientProtocolException cpe) {
                if (options.debug())
                    cpe.printStackTrace();
                success = false;
                Error e = new Error();
                AjaxError error = new AjaxError();
                error.request = request;
                error.options = options;
                e.status = statusLine.getStatusCode();
                e.reason = statusLine.getReasonPhrase();
                error.status = e.status;
                error.reason = e.reason;
                e.headers = response.getAllHeaders();
                e.error = error;
                return e;
            } catch (Exception ioe) {
                if (options.debug())
                    ioe.printStackTrace();
                success = false;
                Error e = new Error();
                AjaxError error = new AjaxError();
                error.request = request;
                error.options = options;
                e.status = statusLine.getStatusCode();
                e.reason = statusLine.getReasonPhrase();
                error.status = e.status;
                error.reason = e.reason;
                e.headers = response.getAllHeaders();
                e.error = error;
                return e;
            }
            if (success) {
                //Handle cases where successful requests still return errors (these include
                //configurations in AjaxOptions and HTTP Headers
                String key = String.format(Locale.US, "%s_?=%s", options.url(), options.dataType());
                CachedResponse cache = URLresponses.get(key);
                Date now = new Date();
                //handle ajax caching option
                if (cache != null) {
                    if (options.cache()) {
                        if (now.getTime() - cache.timestamp.getTime() < options.cacheTimeout()) {
                            parsedResponse = cache;
                        } else {
                            cache.response = parsedResponse;
                            cache.timestamp = now;
                            synchronized (URLresponses) {
                                URLresponses.put(key, cache);
                            }
                        }
                    }

                }
                //handle ajax ifModified option
                Header[] lastModifiedHeaders = response.getHeaders("last-modified");
                if (lastModifiedHeaders.length >= 1) {
                    try {
                        Header h = lastModifiedHeaders[0];
                        SimpleDateFormat format = new SimpleDateFormat("EEE, dd MMM yyyy HH:mm:ss zzz");
                        Date lastModified = format.parse(h.getValue());
                        if (options.ifModified() && lastModified != null) {
                            if (cache.lastModified != null && cache.lastModified.compareTo(lastModified) == 0) {
                                //request response has not been modified. 
                                //Causes an error instead of a success.
                                Error e = new Error();
                                AjaxError error = new AjaxError();
                                error.request = request;
                                error.options = options;
                                e.status = statusLine.getStatusCode();
                                e.reason = statusLine.getReasonPhrase();
                                error.status = e.status;
                                error.reason = e.reason;
                                e.headers = response.getAllHeaders();
                                e.error = error;
                                Function func = options.statusCode().get(304);
                                if (func != null) {
                                    if (options.context() != null)
                                        func.invoke(new $(options.context()));
                                    else
                                        func.invoke(null);
                                }
                                return e;
                            } else {
                                cache.lastModified = lastModified;
                                synchronized (URLresponses) {
                                    URLresponses.put(key, cache);
                                }
                            }
                        }
                    } catch (Throwable t) {
                        Log.e("Ajax", "Could not parse Last-Modified Header");
                    }

                }

                //Now handle a successful request

                Success s = new Success();
                s.obj = parsedResponse;
                s.reason = statusLine.getReasonPhrase();
                s.headers = response.getAllHeaders();
                return s;
            }
            //success
            Success s = new Success();
            s.obj = parsedResponse;
            s.reason = statusLine.getReasonPhrase();
            s.headers = response.getAllHeaders();
            return s;
        }

    } catch (Throwable t) {
        if (options.debug())
            t.printStackTrace();
        if (t instanceof java.net.SocketTimeoutException) {
            Error e = new Error();
            AjaxError error = new AjaxError();
            error.request = request;
            error.options = options;
            e.status = 0;
            String reason = t.getMessage();
            if (reason == null)
                reason = "Socket Timeout";
            e.reason = reason;
            error.status = e.status;
            error.reason = e.reason;
            if (response != null)
                e.headers = response.getAllHeaders();
            else
                e.headers = new Header[0];
            e.error = error;
            return e;
        }
        return null;
    }
}

From source file:sabina.integration.TestScenario.java

private HttpUriRequest getHttpRequest(String method, String path, String body, boolean secure,
        String acceptType) {//  www  . j  av  a  2  s .c  o  m

    if (body == null)
        body = "";

    try {
        String protocol = secure ? "https" : "http";
        String uri = protocol + "://localhost:" + port + path;

        if (method.equals("GET")) {
            HttpGet httpGet = new HttpGet(uri);
            httpGet.setHeader("Accept", acceptType);
            return httpGet;
        }

        if (method.equals("POST")) {
            HttpPost httpPost = new HttpPost(uri);
            httpPost.setHeader("Accept", acceptType);
            httpPost.setEntity(new StringEntity(body));
            return httpPost;
        }

        if (method.equals("PATCH")) {
            HttpPatch httpPatch = new HttpPatch(uri);
            httpPatch.setHeader("Accept", acceptType);
            httpPatch.setEntity(new StringEntity(body));
            return httpPatch;
        }

        if (method.equals("DELETE")) {
            HttpDelete httpDelete = new HttpDelete(uri);
            httpDelete.setHeader("Accept", acceptType);
            return httpDelete;
        }

        if (method.equals("PUT")) {
            HttpPut httpPut = new HttpPut(uri);
            httpPut.setHeader("Accept", acceptType);
            httpPut.setEntity(new StringEntity(body));
            return httpPut;
        }

        if (method.equals("HEAD"))
            return new HttpHead(uri);

        if (method.equals("TRACE"))
            return new HttpTrace(uri);

        if (method.equals("OPTIONS"))
            return new HttpOptions(uri);

        throw new IllegalArgumentException("Unknown method " + method);
    } catch (UnsupportedEncodingException e) {
        throw new RuntimeException(e);
    }
}

From source file:com.github.seratch.signedrequest4j.SignedRequestApacheHCImpl.java

static HttpUriRequest getRequest(HttpMethod method, String url) {
    if (method == HttpMethod.GET) {
        return new HttpGet(url);
    } else if (method == HttpMethod.POST) {
        return new HttpPost(url);
    } else if (method == HttpMethod.PUT) {
        return new HttpPut(url);
    } else if (method == HttpMethod.DELETE) {
        return new HttpDelete(url);
    } else if (method == HttpMethod.HEAD) {
        return new HttpHead(url);
    } else if (method == HttpMethod.OPTIONS) {
        return new HttpOptions(url);
    } else if (method == HttpMethod.TRACE) {
        return new HttpTrace(url);
    } else {//w w  w  . j av a  2s.  c om
        return null;
    }
}

From source file:com.basho.riak.client.util.ClientHelper.java

/**
 * Same as {@link RiakClient}, except only returning the HTTP response
 *//*from w ww  .  ja v a2 s .  c o m*/
public HttpResponse fetchMeta(String bucket, String key, RequestMeta meta) {
    if (meta == null) {
        meta = new RequestMeta();
    }
    if (meta.getQueryParam(Constants.QP_R) == null) {
        meta.setQueryParam(Constants.QP_R, Constants.DEFAULT_R.toString());
    }
    HttpHead head = new HttpHead(ClientUtils.makeURI(config, bucket, key));
    return executeMethod(bucket, key, head, meta);
}

From source file:com.mobiperf_library.measurements.HttpTask.java

/** Runs the HTTP measurement task. Will acquire power lock to ensure wifi
 *  is not turned off *//*from   www . j a  v  a 2 s .  co  m*/
@Override
public MeasurementResult[] call() throws MeasurementError {

    int statusCode = HttpTask.DEFAULT_STATUS_CODE;
    long duration = 0;
    long originalHeadersLen = 0;
    long originalBodyLen;
    String headers = null;
    ByteBuffer body = ByteBuffer.allocate(HttpTask.MAX_BODY_SIZE_TO_UPLOAD);
    //    boolean success = false;
    TaskProgress taskProgress = TaskProgress.FAILED;
    String errorMsg = "";
    InputStream inputStream = null;

    try {
        // set the download URL, a URL that points to a file on the Internet
        // this is the file to be downloaded
        HttpDesc task = (HttpDesc) this.measurementDesc;
        String urlStr = task.url;

        // TODO(Wenjie): Need to set timeout for the HTTP methods
        httpClient = AndroidHttpClient.newInstance(Util.prepareUserAgent());
        HttpRequestBase request = null;
        if (task.method.compareToIgnoreCase("head") == 0) {
            request = new HttpHead(urlStr);
        } else if (task.method.compareToIgnoreCase("get") == 0) {
            request = new HttpGet(urlStr);
        } else if (task.method.compareToIgnoreCase("post") == 0) {
            request = new HttpPost(urlStr);
            HttpPost postRequest = (HttpPost) request;
            postRequest.setEntity(new StringEntity(task.body));
        } else {
            // Use GET by default
            request = new HttpGet(urlStr);
        }

        if (task.headers != null && task.headers.trim().length() > 0) {
            for (String headerLine : task.headers.split("\r\n")) {
                String tokens[] = headerLine.split(":");
                if (tokens.length == 2) {
                    request.addHeader(tokens[0], tokens[1]);
                } else {
                    throw new MeasurementError("Incorrect header line: " + headerLine);
                }
            }
        }

        byte[] readBuffer = new byte[HttpTask.READ_BUFFER_SIZE];
        int readLen;
        int totalBodyLen = 0;

        long startTime = System.currentTimeMillis();
        HttpResponse response = httpClient.execute(request);

        /* TODO(Wenjie): HttpClient does not automatically handle the following codes
         * 301 Moved Permanently. HttpStatus.SC_MOVED_PERMANENTLY
         * 302 Moved Temporarily. HttpStatus.SC_MOVED_TEMPORARILY
         * 303 See Other. HttpStatus.SC_SEE_OTHER
         * 307 Temporary Redirect. HttpStatus.SC_TEMPORARY_REDIRECT
         * 
         * We may want to fetch instead from the redirected page. 
         */
        StatusLine statusLine = response.getStatusLine();
        if (statusLine != null) {
            statusCode = statusLine.getStatusCode();
            if (statusCode == 200) {
                taskProgress = TaskProgress.COMPLETED;
            } else {
                taskProgress = TaskProgress.FAILED;
            }
        }

        /* For HttpClient to work properly, we still want to consume the entire
         * response even if the status code is not 200 
         */
        HttpEntity responseEntity = response.getEntity();
        originalBodyLen = responseEntity.getContentLength();
        long expectedResponseLen = HttpTask.MAX_HTTP_RESPONSE_SIZE;
        // getContentLength() returns negative number if body length is unknown
        if (originalBodyLen > 0) {
            expectedResponseLen = originalBodyLen;
        }

        if (responseEntity != null) {
            inputStream = responseEntity.getContent();
            while ((readLen = inputStream.read(readBuffer)) > 0
                    && totalBodyLen <= HttpTask.MAX_HTTP_RESPONSE_SIZE) {
                totalBodyLen += readLen;
                // Fill in the body to report up to MAX_BODY_SIZE
                if (body.remaining() > 0) {
                    int putLen = body.remaining() < readLen ? body.remaining() : readLen;
                    body.put(readBuffer, 0, putLen);
                }
            }
            duration = System.currentTimeMillis() - startTime;//TODO check this
        }

        Header[] responseHeaders = response.getAllHeaders();
        if (responseHeaders != null) {
            headers = "";
            for (Header hdr : responseHeaders) {
                /*
                 * TODO(Wenjie): There can be preceding and trailing white spaces in
                 * each header field. I cannot find internal methods that return the
                 * number of bytes in a header. The solution here assumes the encoding
                 * is one byte per character.
                 */
                originalHeadersLen += hdr.toString().length();
                headers += hdr.toString() + "\r\n";
            }
        }

        PhoneUtils phoneUtils = PhoneUtils.getPhoneUtils();

        MeasurementResult result = new MeasurementResult(phoneUtils.getDeviceInfo().deviceId,
                phoneUtils.getDeviceProperty(), HttpTask.TYPE, System.currentTimeMillis() * 1000, taskProgress,
                this.measurementDesc);

        result.addResult("code", statusCode);

        if (taskProgress == TaskProgress.COMPLETED) {
            result.addResult("time_ms", duration);
            result.addResult("headers_len", originalHeadersLen);
            result.addResult("body_len", totalBodyLen);
            result.addResult("headers", headers);
            result.addResult("body", Base64.encodeToString(body.array(), Base64.DEFAULT));
        }

        Logger.i(MeasurementJsonConvertor.toJsonString(result));
        MeasurementResult[] mrArray = new MeasurementResult[1];
        mrArray[0] = result;
        return mrArray;
    } catch (MalformedURLException e) {
        errorMsg += e.getMessage() + "\n";
        Logger.e(e.getMessage());
    } catch (IOException e) {
        errorMsg += e.getMessage() + "\n";
        Logger.e(e.getMessage());
    } finally {
        if (inputStream != null) {
            try {
                inputStream.close();
            } catch (IOException e) {
                Logger.e("Fails to close the input stream from the HTTP response");
            }
        }
        if (httpClient != null) {
            httpClient.close();
        }

    }
    throw new MeasurementError("Cannot get result from HTTP measurement because " + errorMsg);
}

From source file:io.crate.integrationtests.BlobHttpIntegrationTest.java

protected CloseableHttpResponse head(String uri) throws IOException {
    HttpHead httpHead = new HttpHead(String.format(Locale.ENGLISH, "http://%s:%s/_blobs/%s",
            address.getHostName(), address.getPort(), uri));
    return executeAndDefaultAssertions(httpHead);
}

From source file:com.mobilyzer.measurements.HttpTask.java

/** Runs the HTTP measurement task. Will acquire power lock to ensure wifi
 *  is not turned off *//* w ww. ja  v a  2 s  .  c  om*/
@Override
public MeasurementResult[] call() throws MeasurementError {

    int statusCode = HttpTask.DEFAULT_STATUS_CODE;
    long duration = 0;
    long originalHeadersLen = 0;
    long originalBodyLen;
    String headers = null;
    ByteBuffer body = ByteBuffer.allocate(HttpTask.MAX_BODY_SIZE_TO_UPLOAD);
    //    boolean success = false;
    TaskProgress taskProgress = TaskProgress.FAILED;
    String errorMsg = "";
    InputStream inputStream = null;

    long currentRxTx = Util.getCurrentRxTxBytes();

    try {
        // set the download URL, a URL that points to a file on the Internet
        // this is the file to be downloaded
        HttpDesc task = (HttpDesc) this.measurementDesc;
        String urlStr = task.url;

        // TODO(Wenjie): Need to set timeout for the HTTP methods
        httpClient = AndroidHttpClient.newInstance(Util.prepareUserAgent());
        HttpRequestBase request = null;
        if (task.method.compareToIgnoreCase("head") == 0) {
            request = new HttpHead(urlStr);
        } else if (task.method.compareToIgnoreCase("get") == 0) {
            request = new HttpGet(urlStr);
        } else if (task.method.compareToIgnoreCase("post") == 0) {
            request = new HttpPost(urlStr);
            HttpPost postRequest = (HttpPost) request;
            postRequest.setEntity(new StringEntity(task.body));
        } else {
            // Use GET by default
            request = new HttpGet(urlStr);
        }

        if (task.headers != null && task.headers.trim().length() > 0) {
            for (String headerLine : task.headers.split("\r\n")) {
                String tokens[] = headerLine.split(":");
                if (tokens.length == 2) {
                    request.addHeader(tokens[0], tokens[1]);
                } else {
                    throw new MeasurementError("Incorrect header line: " + headerLine);
                }
            }
        }

        byte[] readBuffer = new byte[HttpTask.READ_BUFFER_SIZE];
        int readLen;
        int totalBodyLen = 0;

        long startTime = System.currentTimeMillis();
        HttpResponse response = httpClient.execute(request);

        /* TODO(Wenjie): HttpClient does not automatically handle the following codes
         * 301 Moved Permanently. HttpStatus.SC_MOVED_PERMANENTLY
         * 302 Moved Temporarily. HttpStatus.SC_MOVED_TEMPORARILY
         * 303 See Other. HttpStatus.SC_SEE_OTHER
         * 307 Temporary Redirect. HttpStatus.SC_TEMPORARY_REDIRECT
         * 
         * We may want to fetch instead from the redirected page. 
         */
        StatusLine statusLine = response.getStatusLine();
        if (statusLine != null) {
            statusCode = statusLine.getStatusCode();
            if (statusCode == 200) {
                taskProgress = TaskProgress.COMPLETED;
            } else {
                taskProgress = TaskProgress.FAILED;
            }
        }

        /* For HttpClient to work properly, we still want to consume the entire
         * response even if the status code is not 200 
         */
        HttpEntity responseEntity = response.getEntity();
        originalBodyLen = responseEntity.getContentLength();
        long expectedResponseLen = HttpTask.MAX_HTTP_RESPONSE_SIZE;
        // getContentLength() returns negative number if body length is unknown
        if (originalBodyLen > 0) {
            expectedResponseLen = originalBodyLen;
        }

        if (responseEntity != null) {
            inputStream = responseEntity.getContent();
            while ((readLen = inputStream.read(readBuffer)) > 0
                    && totalBodyLen <= HttpTask.MAX_HTTP_RESPONSE_SIZE) {
                totalBodyLen += readLen;
                // Fill in the body to report up to MAX_BODY_SIZE
                if (body.remaining() > 0) {
                    int putLen = body.remaining() < readLen ? body.remaining() : readLen;
                    body.put(readBuffer, 0, putLen);
                }
            }
            duration = System.currentTimeMillis() - startTime;//TODO check this
        }

        Header[] responseHeaders = response.getAllHeaders();
        if (responseHeaders != null) {
            headers = "";
            for (Header hdr : responseHeaders) {
                /*
                 * TODO(Wenjie): There can be preceding and trailing white spaces in
                 * each header field. I cannot find internal methods that return the
                 * number of bytes in a header. The solution here assumes the encoding
                 * is one byte per character.
                 */
                originalHeadersLen += hdr.toString().length();
                headers += hdr.toString() + "\r\n";
            }
        }

        PhoneUtils phoneUtils = PhoneUtils.getPhoneUtils();

        MeasurementResult result = new MeasurementResult(phoneUtils.getDeviceInfo().deviceId,
                phoneUtils.getDeviceProperty(this.getKey()), HttpTask.TYPE, System.currentTimeMillis() * 1000,
                taskProgress, this.measurementDesc);

        result.addResult("code", statusCode);

        dataConsumed += (Util.getCurrentRxTxBytes() - currentRxTx);

        if (taskProgress == TaskProgress.COMPLETED) {
            result.addResult("time_ms", duration);
            result.addResult("headers_len", originalHeadersLen);
            result.addResult("body_len", totalBodyLen);
            result.addResult("headers", headers);
            result.addResult("body", Base64.encodeToString(body.array(), Base64.DEFAULT));
        }

        Logger.i(MeasurementJsonConvertor.toJsonString(result));
        MeasurementResult[] mrArray = new MeasurementResult[1];
        mrArray[0] = result;
        return mrArray;
    } catch (MalformedURLException e) {
        errorMsg += e.getMessage() + "\n";
        Logger.e(e.getMessage());
    } catch (IOException e) {
        errorMsg += e.getMessage() + "\n";
        Logger.e(e.getMessage());
    } finally {
        if (inputStream != null) {
            try {
                inputStream.close();
            } catch (IOException e) {
                Logger.e("Fails to close the input stream from the HTTP response");
            }
        }
        if (httpClient != null) {
            httpClient.close();
        }

    }
    throw new MeasurementError("Cannot get result from HTTP measurement because " + errorMsg);
}

From source file:com.mobilyzer.measurements.HttpTask_original.java

/** Runs the HTTP measurement task. Will acquire power lock to ensure wifi
 *  is not turned off *///from  w w w  .  ja va 2s.  co  m
@Override
public MeasurementResult[] call() throws MeasurementError {

    int statusCode = HttpTask.DEFAULT_STATUS_CODE;
    long duration = 0;
    long originalHeadersLen = 0;
    long originalBodyLen;
    String headers = null;
    ByteBuffer body = ByteBuffer.allocate(HttpTask_original.MAX_BODY_SIZE_TO_UPLOAD);
    //    boolean success = false;
    TaskProgress taskProgress = TaskProgress.FAILED;
    String errorMsg = "";
    InputStream inputStream = null;

    long currentRxTx = Util.getCurrentRxTxBytes();

    try {
        // set the download URL, a URL that points to a file on the Internet
        // this is the file to be downloaded
        HttpDesc task = (HttpDesc) this.measurementDesc;
        String urlStr = task.url;

        // TODO(Wenjie): Need to set timeout for the HTTP methods
        httpClient = AndroidHttpClient.newInstance(Util.prepareUserAgent());
        HttpRequestBase request = null;
        if (task.method.compareToIgnoreCase("head") == 0) {
            request = new HttpHead(urlStr);
        } else if (task.method.compareToIgnoreCase("get") == 0) {
            request = new HttpGet(urlStr);
        } else if (task.method.compareToIgnoreCase("post") == 0) {
            request = new HttpPost(urlStr);
            HttpPost postRequest = (HttpPost) request;
            postRequest.setEntity(new StringEntity(task.body));
        } else {
            // Use GET by default
            request = new HttpGet(urlStr);
        }

        if (task.headers != null && task.headers.trim().length() > 0) {
            for (String headerLine : task.headers.split("\r\n")) {
                String tokens[] = headerLine.split(":");
                if (tokens.length == 2) {
                    request.addHeader(tokens[0], tokens[1]);
                } else {
                    throw new MeasurementError("Incorrect header line: " + headerLine);
                }
            }
        }

        byte[] readBuffer = new byte[HttpTask.READ_BUFFER_SIZE];
        int readLen;
        int totalBodyLen = 0;

        long startTime = System.currentTimeMillis();
        HttpResponse response = httpClient.execute(request);

        /* TODO(Wenjie): HttpClient does not automatically handle the following codes
         * 301 Moved Permanently. HttpStatus.SC_MOVED_PERMANENTLY
         * 302 Moved Temporarily. HttpStatus.SC_MOVED_TEMPORARILY
         * 303 See Other. HttpStatus.SC_SEE_OTHER
         * 307 Temporary Redirect. HttpStatus.SC_TEMPORARY_REDIRECT
         * 
         * We may want to fetch instead from the redirected page. 
         */
        StatusLine statusLine = response.getStatusLine();
        if (statusLine != null) {
            statusCode = statusLine.getStatusCode();
            if (statusCode == 200) {
                taskProgress = TaskProgress.COMPLETED;
            } else {
                taskProgress = TaskProgress.FAILED;
            }
        }

        /* For HttpClient to work properly, we still want to consume the entire
         * response even if the status code is not 200 
         */
        HttpEntity responseEntity = response.getEntity();
        originalBodyLen = responseEntity.getContentLength();
        long expectedResponseLen = HttpTask.MAX_HTTP_RESPONSE_SIZE;
        // getContentLength() returns negative number if body length is unknown
        if (originalBodyLen > 0) {
            expectedResponseLen = originalBodyLen;
        }

        if (responseEntity != null) {
            inputStream = responseEntity.getContent();
            while ((readLen = inputStream.read(readBuffer)) > 0
                    && totalBodyLen <= HttpTask.MAX_HTTP_RESPONSE_SIZE) {
                totalBodyLen += readLen;
                // Fill in the body to report up to MAX_BODY_SIZE
                if (body.remaining() > 0) {
                    int putLen = body.remaining() < readLen ? body.remaining() : readLen;
                    body.put(readBuffer, 0, putLen);
                }
            }
            duration = System.currentTimeMillis() - startTime;//TODO check this
        }

        Header[] responseHeaders = response.getAllHeaders();
        if (responseHeaders != null) {
            headers = "";
            for (Header hdr : responseHeaders) {
                /*
                 * TODO(Wenjie): There can be preceding and trailing white spaces in
                 * each header field. I cannot find internal methods that return the
                 * number of bytes in a header. The solution here assumes the encoding
                 * is one byte per character.
                 */
                originalHeadersLen += hdr.toString().length();
                headers += hdr.toString() + "\r\n";
            }
        }

        PhoneUtils phoneUtils = PhoneUtils.getPhoneUtils();

        MeasurementResult result = new MeasurementResult(phoneUtils.getDeviceInfo().deviceId,
                phoneUtils.getDeviceProperty(this.getKey()), HttpTask.TYPE, System.currentTimeMillis() * 1000,
                taskProgress, this.measurementDesc);

        result.addResult("code", statusCode);

        dataConsumed += (Util.getCurrentRxTxBytes() - currentRxTx);

        if (taskProgress == TaskProgress.COMPLETED) {
            result.addResult("time_ms", duration);
            result.addResult("headers_len", originalHeadersLen);
            result.addResult("body_len", totalBodyLen);
            result.addResult("headers", headers);
            result.addResult("body", Base64.encodeToString(body.array(), Base64.DEFAULT));
        }

        Logger.i(MeasurementJsonConvertor.toJsonString(result));
        MeasurementResult[] mrArray = new MeasurementResult[1];
        mrArray[0] = result;
        return mrArray;
    } catch (MalformedURLException e) {
        errorMsg += e.getMessage() + "\n";
        Logger.e(e.getMessage());
    } catch (IOException e) {
        errorMsg += e.getMessage() + "\n";
        Logger.e(e.getMessage());
    } finally {
        if (inputStream != null) {
            try {
                inputStream.close();
            } catch (IOException e) {
                Logger.e("Fails to close the input stream from the HTTP response");
            }
        }
        if (httpClient != null) {
            httpClient.close();
        }

    }
    throw new MeasurementError("Cannot get result from HTTP measurement because " + errorMsg);
}