List of usage examples for org.apache.commons.httpclient HttpException toString
public String toString()
From source file:edu.unc.lib.dl.admin.controller.RESTProxyController.java
@RequestMapping(value = { "/services/rest", "/services/rest/*", "/services/rest/**/*" })
public final void proxyAjaxCall(HttpServletRequest request, HttpServletResponse response) throws IOException {
log.debug("Prepending service url " + this.servicesUrl + " to " + request.getRequestURI());
String url = request.getRequestURI().replaceFirst(".*/services/rest/?", this.servicesUrl);
if (request.getQueryString() != null)
url = url + "?" + request.getQueryString();
OutputStreamWriter writer = new OutputStreamWriter(response.getOutputStream());
HttpClient client = new HttpClient();
HttpMethod method = null;/*from w ww. j a va2s. c o m*/
try {
log.debug("Proxying ajax request to services REST api via " + request.getMethod());
// Split this according to the type of request
if (request.getMethod().equals("GET")) {
method = new GetMethod(url);
} else if (request.getMethod().equals("POST")) {
method = new PostMethod(url);
// Set any eventual parameters that came with our original
// request (POST params, for instance)
Enumeration<String> paramNames = request.getParameterNames();
while (paramNames.hasMoreElements()) {
String paramName = paramNames.nextElement();
((PostMethod) method).setParameter(paramName, request.getParameter(paramName));
}
} else {
throw new NotImplementedException("This proxy only supports GET and POST methods.");
}
// Forward the user's groups along with the request
method.addRequestHeader(HttpClientUtil.SHIBBOLETH_GROUPS_HEADER, GroupsThreadStore.getGroupString());
method.addRequestHeader("On-Behalf-Of", GroupsThreadStore.getUsername());
// Execute the method
client.executeMethod(method);
// Set the content type, as it comes from the server
Header[] headers = method.getResponseHeaders();
for (Header header : headers) {
if ("Content-Type".equalsIgnoreCase(header.getName())) {
response.setContentType(header.getValue());
}
}
try (InputStream responseStream = method.getResponseBodyAsStream()) {
int b;
while ((b = responseStream.read()) != -1) {
response.getOutputStream().write(b);
}
}
response.getOutputStream().flush();
} catch (HttpException e) {
writer.write(e.toString());
throw e;
} catch (IOException e) {
e.printStackTrace();
writer.write(e.toString());
throw e;
} finally {
if (method != null)
method.releaseConnection();
}
}
From source file:edu.ku.brc.helpers.HTTPGetter.java
/** * Performs a "generic" HTTP request and fill member variable with results * use "getDigirResultsetStr" to get the results as a String * * @param url URL to be executed/* ww w . j av a 2 s .c om*/ * @param fileCache the file to place the results * @return returns an error code */ public byte[] doHTTPRequest(final String url, final File fileCache) { byte[] bytes = null; Exception excp = null; status = ErrorCode.NoError; // Create an HttpClient with the MultiThreadedHttpConnectionManager. // This connection manager must be used if more than one thread will // be using the HttpClient. httpClient = new HttpClient(new MultiThreadedHttpConnectionManager()); GetMethod method = null; try { method = new GetMethod(url); //log.debug("getting " + method.getURI()); //$NON-NLS-1$ httpClient.executeMethod(method); // get the response body as an array of bytes long bytesRead = 0; if (fileCache == null) { bytes = method.getResponseBody(); bytesRead = bytes.length; } else { BufferedOutputStream bos = new BufferedOutputStream(new FileOutputStream(fileCache)); bytes = new byte[4096]; InputStream ins = method.getResponseBodyAsStream(); BufferedInputStream bis = new BufferedInputStream(ins); while (bis.available() > 0) { int numBytes = bis.read(bytes); if (numBytes > 0) { bos.write(bytes, 0, numBytes); bytesRead += numBytes; } } bos.flush(); bos.close(); bytes = null; } log.debug(bytesRead + " bytes read"); //$NON-NLS-1$ } catch (ConnectException ce) { excp = ce; log.error(String.format("Could not make HTTP connection. (%s)", ce.toString())); //$NON-NLS-1$ status = ErrorCode.HttpError; } catch (HttpException he) { excp = he; log.error(String.format("Http problem making request. (%s)", he.toString())); //$NON-NLS-1$ status = ErrorCode.HttpError; } catch (IOException ioe) { excp = ioe; log.error(String.format("IO problem making request. (%s)", ioe.toString())); //$NON-NLS-1$ status = ErrorCode.IOError; } catch (java.lang.IllegalArgumentException ioe) { excp = ioe; log.error(String.format("IO problem making request. (%s)", ioe.toString())); //$NON-NLS-1$ status = ErrorCode.IOError; } catch (Exception e) { excp = e; log.error("Error: " + e); //$NON-NLS-1$ status = ErrorCode.Error; } finally { // always release the connection after we're done if (isThrowingErrors && status != ErrorCode.NoError) { edu.ku.brc.af.core.UsageTracker.incrHandledUsageCount(); edu.ku.brc.exceptions.ExceptionTracker.getInstance().capture(HTTPGetter.class, excp); } if (method != null) method.releaseConnection(); //log.debug("Connection released"); //$NON-NLS-1$ } if (listener != null) { if (status == ErrorCode.NoError) { listener.completed(this); } else { listener.completedWithError(this, status); } } return bytes; }
From source file:de.ingrid.portal.interfaces.impl.WMSInterfaceImpl.java
public String getWMCDocument(String sessionId) { String response = null;//from w ww .java 2 s. co m try { String urlStr = config.getString("interface_url", "http://localhost/mapbender/php/mod_portalCommunication_gt.php"); if (urlStr.indexOf("?") > 0) { urlStr = urlStr.concat("&PREQUEST=getWMC").concat("&PHPSESSID=" + sessionId); } else { urlStr = urlStr.concat("?PREQUEST=getWMC").concat("&PHPSESSID=" + sessionId); } if (log.isDebugEnabled()) { log.debug("MapBender Server Request: " + urlStr); } // Create an instance of HttpClient. HttpClient client = new HttpClient(); // Create a method instance. GetMethod method = new GetMethod(urlStr); // Provide custom retry handler is necessary method.getParams().setParameter(HttpMethodParams.RETRY_HANDLER, new DefaultHttpMethodRetryHandler(2, false)); try { // Execute the method. int statusCode = client.executeMethod(method); if (statusCode != HttpStatus.SC_OK) { log.error("Requesting WMC faild for URL: " + urlStr); } // Read the response body. byte[] responseBody = method.getResponseBody(); response = new String(responseBody); } catch (HttpException e) { log.error("Fatal protocol violation: " + e.getMessage(), e); } catch (IOException e) { log.error("Fatal transport error: " + e.getMessage(), e); } finally { // Release the connection. method.releaseConnection(); } if (log.isDebugEnabled()) { log.debug("MapBender Server Response: " + response); } Document document = DocumentHelper.parseText(response); // check for valid server response String error = document.valueOf("//portal_communication/error"); if (error != null && error.length() > 0) { throw new Exception("MapBender Server Error: " + error); } String sessionMapBender = document.valueOf("//portal_communication/session"); if (sessionMapBender != null && !sessionMapBender.equals(sessionId)) { throw new Exception( "MapBender Server Error: session Id (" + sessionId + ") from request and session Id (" + sessionMapBender + ") from MapBender are not the same."); } String urlEncodedWmc = document.valueOf("//portal_communication/wmc"); return urlEncodedWmc; } catch (Exception e) { log.error(e.toString()); } return null; }
From source file:org.eclipse.smarthome.binding.fsinternetradio.internal.radio.FrontierSiliconRadioConnection.java
/** * Perform login/establish a new session. Uses the PIN number and when successful saves the assigned sessionID for * future requests./*from w w w . j a v a2 s . com*/ * * @return <code>true</code> if login was successful; <code>false</code> otherwise. * @throws IOException if communication with the radio failed, e.g. because the device is not reachable. */ public boolean doLogin() throws IOException { isLoggedIn = false; // reset login flag if (httpClient == null) { httpClient = new HttpClient(); } final String url = "http://" + hostname + ":" + port + "/fsapi/CREATE_SESSION?pin=" + pin; logger.trace("opening URL:" + url); final HttpMethod method = new GetMethod(url); method.getParams().setSoTimeout(SOCKET_TIMEOUT); method.getParams().setParameter(HttpMethodParams.RETRY_HANDLER, new DefaultHttpMethodRetryHandler(3, false)); try { final int statusCode = httpClient.executeMethod(method); if (statusCode != HttpStatus.SC_OK) { logger.debug("Communication with radio failed: " + method.getStatusLine()); if (method.getStatusCode() == 403) { throw new RuntimeException("Radio does not allow connection, maybe wrong pin?"); } throw new IOException("Communication with radio failed, return code: " + statusCode); } final String responseBody = IOUtils.toString(method.getResponseBodyAsStream()); if (!responseBody.isEmpty()) { logger.trace("login response: " + responseBody); } final FrontierSiliconRadioApiResult result = new FrontierSiliconRadioApiResult(responseBody); if (result.isStatusOk()) { logger.trace("login successful"); sessionId = result.getSessionId(); isLoggedIn = true; return true; // login successful :-) } } catch (HttpException he) { logger.debug("Fatal protocol violation: {}", he.toString()); throw he; } catch (IOException ioe) { logger.debug("Fatal transport error: {}", ioe.toString()); throw ioe; } finally { method.releaseConnection(); } return false; // login not successful }
From source file:org.eclipse.smarthome.binding.fsinternetradio.internal.radio.FrontierSiliconRadioConnection.java
/** * Performs a request to the radio with addition parameters. * * Typically used for changing parameters. * * @param REST/*from ww w . j a va 2 s . c om*/ * API requestString, e.g. "SET/netRemote.sys.power" * @param params * , e.g. "value=1" * @return request result * @throws IOException if the request failed. */ public FrontierSiliconRadioApiResult doRequest(String requestString, String params) throws IOException { // 3 retries upon failure for (int i = 0; i < 2; i++) { if (!isLoggedIn && !doLogin()) { continue; // not logged in and login was not successful - try again! } final String url = "http://" + hostname + ":" + port + "/fsapi/" + requestString + "?pin=" + pin + "&sid=" + sessionId + (params == null || params.trim().length() == 0 ? "" : "&" + params); logger.trace("calling url: '" + url + "'"); final HttpMethod method = new GetMethod(url); method.getParams().setSoTimeout(SOCKET_TIMEOUT); method.getParams().setParameter(HttpMethodParams.RETRY_HANDLER, new DefaultHttpMethodRetryHandler(2, false)); try { final int statusCode = httpClient.executeMethod(method); if (statusCode != HttpStatus.SC_OK) { logger.warn("Method failed: " + method.getStatusLine()); isLoggedIn = false; method.releaseConnection(); continue; } final String responseBody = IOUtils.toString(method.getResponseBodyAsStream()); if (!responseBody.isEmpty()) { logger.trace("got result: " + responseBody); } else { logger.debug("got empty result"); isLoggedIn = false; method.releaseConnection(); continue; } final FrontierSiliconRadioApiResult result = new FrontierSiliconRadioApiResult(responseBody); if (result.isStatusOk()) { return result; } isLoggedIn = false; method.releaseConnection(); continue; // try again } catch (HttpException he) { logger.error("Fatal protocol violation: {}", he.toString()); isLoggedIn = false; throw he; } catch (IOException ioe) { logger.error("Fatal transport error: {}", ioe.toString()); throw ioe; } finally { method.releaseConnection(); } } isLoggedIn = false; // 3 tries failed. log in again next time, maybe our session went invalid (radio restarted?) return null; }
From source file:org.eclipse.smarthome.io.net.http.HttpUtil.java
/** * Executes the given <code>url</code> with the given <code>httpMethod</code> * //ww w . j ava2s . c o m * @param httpMethod the HTTP method to use * @param url the url to execute (in milliseconds) * @param httpHeaders optional HTTP headers which has to be set on request * @param content the content to be send to the given <code>url</code> or * <code>null</code> if no content should be send. * @param contentType the content type of the given <code>content</code> * @param timeout the socket timeout to wait for data * @param proxyHost the hostname of the proxy * @param proxyPort the port of the proxy * @param proxyUser the username to authenticate with the proxy * @param proxyPassword the password to authenticate with the proxy * @param nonProxyHosts the hosts that won't be routed through the proxy * @return the response body or <code>NULL</code> when the request went wrong */ public static String executeUrl(String httpMethod, String url, Properties httpHeaders, InputStream content, String contentType, int timeout, String proxyHost, Integer proxyPort, String proxyUser, String proxyPassword, String nonProxyHosts) { HttpClient client = new HttpClient(); // only configure a proxy if a host is provided if (StringUtils.isNotBlank(proxyHost) && proxyPort != null && shouldUseProxy(url, nonProxyHosts)) { client.getHostConfiguration().setProxy(proxyHost, proxyPort); if (StringUtils.isNotBlank(proxyUser)) { client.getState().setProxyCredentials(AuthScope.ANY, new UsernamePasswordCredentials(proxyUser, proxyPassword)); } } HttpMethod method = HttpUtil.createHttpMethod(httpMethod, url); method.getParams().setSoTimeout(timeout); method.getParams().setParameter(HttpMethodParams.RETRY_HANDLER, new DefaultHttpMethodRetryHandler(3, false)); if (httpHeaders != null) { for (String httpHeaderKey : httpHeaders.stringPropertyNames()) { method.addRequestHeader(new Header(httpHeaderKey, httpHeaders.getProperty(httpHeaderKey))); } } // add content if a valid method is given ... if (method instanceof EntityEnclosingMethod && content != null) { EntityEnclosingMethod eeMethod = (EntityEnclosingMethod) method; eeMethod.setRequestEntity(new InputStreamRequestEntity(content, contentType)); } Credentials credentials = extractCredentials(url); if (credentials != null) { client.getParams().setAuthenticationPreemptive(true); client.getState().setCredentials(AuthScope.ANY, credentials); } if (logger.isDebugEnabled()) { try { logger.debug("About to execute '" + method.getURI().toString() + "'"); } catch (URIException e) { logger.debug(e.getMessage()); } } try { int statusCode = client.executeMethod(method); if (statusCode != HttpStatus.SC_OK) { logger.warn("Method failed: " + method.getStatusLine()); } String responseBody = IOUtils.toString(method.getResponseBodyAsStream()); if (!responseBody.isEmpty()) { logger.debug(responseBody); } return responseBody; } catch (HttpException he) { logger.error("Fatal protocol violation: {}", he.toString()); } catch (IOException ioe) { logger.error("Fatal transport error: {}", ioe.toString()); } finally { method.releaseConnection(); } return null; }
From source file:org.eclipse.smila.connectivity.framework.crawler.web.http.HttpResponse.java
/** * Creates new object and fills it with retrieved URL information. * //from ww w . j a v a 2s. c o m * @param http * HTTP protocol options HTTP to retrieve * @param filterProcessor * filters to perform * @param urlString * the url string * * @throws IOException * if error while retrieving URL occur */ public HttpResponse(HttpBase http, String urlString, FilterProcessor filterProcessor) throws IOException { _http = http; _urlString = urlString; HttpMethodBase httpMethod = null; try { httpMethod = getHttpMethod(); setHttpParameters(http, httpMethod); _statusCode = Http.getClient().executeMethod(httpMethod); final Header[] headers = httpMethod.getResponseHeaders(); for (int i = 0; i < headers.length; i++) { _headers.set(headers[i].getName(), headers[i].getValue()); } // Content-Type filter should go here // TODO: Guess content type when Content-Type header is empty boolean contentTypeMatches = true; final String contentType = _headers.get(Response.CONTENT_TYPE); if ((contentType != null) && (filterProcessor != null)) { contentTypeMatches = filterProcessor.evaluateContentTypeFilters(contentType); LOG.debug("Content type header: " + contentType + ", passed filters: " + contentTypeMatches); } if (contentTypeMatches) { // always read content. Sometimes content is useful to find a cause for error. try { final InputStream in = httpMethod.getResponseBodyAsStream(); if (in != null) { final byte[] buffer = new byte[HttpBase.BUFFER_SIZE]; int totalRead = 0; final ByteArrayOutputStream out = new ByteArrayOutputStream(); int tryAndRead = calculateTryToRead(totalRead); int bufferFilled = in.read(buffer, 0, buffer.length); while (bufferFilled != -1 && tryAndRead > 0) { totalRead += bufferFilled; out.write(buffer, 0, bufferFilled); tryAndRead = calculateTryToRead(totalRead); bufferFilled = in.read(buffer, 0, buffer.length); } _content = out.toByteArray(); in.close(); } } catch (HttpException exception) { LOG.error("Http error occured ", exception); throw new IOException(exception.toString()); } catch (IOException exception) { if (_statusCode == HttpResponseCode.CODE_200) { throw new IOException(exception.toString()); } // for codes other than 200 OK, we are fine with empty content } if (_content != null) { // check if we have to uncompress it final String contentEncoding = _headers.get(Response.CONTENT_ENCODING); if ("gzip".equals(contentEncoding) || "x-gzip".equals(contentEncoding)) { _content = http.processGzipEncoded(_content, urlString); } if (("application/x-gzip".equals(contentType)) || ("application/gzip".equals(contentType))) { _content = http.processGzipEncoded(_content, urlString); } } } else { // URL wasn't fetched _statusCode = -1; } } catch (ProtocolException exception) { if (LOG.isErrorEnabled()) { LOG.error(exception); } throw new IOException(exception.toString()); } catch (URISyntaxException exception) { if (LOG.isErrorEnabled()) { LOG.error(exception); } throw new IOException(exception.toString()); } finally { if (httpMethod != null) { httpMethod.releaseConnection(); } } }
From source file:org.ktunaxa.referral.server.mvc.ProxyController.java
@SuppressWarnings("unchecked") @RequestMapping(value = "/proxy") public final void proxyAjaxCall(@RequestParam(required = true, value = "url") String url, HttpServletRequest request, HttpServletResponse response) throws IOException { // URL needs to be url decoded url = URLDecoder.decode(url, "utf-8"); HttpClient client = new HttpClient(); try {//from w w w . j a v a 2 s . c o m HttpMethod method = null; // Split this according to the type of request if ("GET".equals(request.getMethod())) { method = new GetMethod(url); NameValuePair[] pairs = new NameValuePair[request.getParameterMap().size()]; int i = 0; for (Object name : request.getParameterMap().keySet()) { pairs[i++] = new NameValuePair((String) name, request.getParameter((String) name)); } method.setQueryString(pairs); } else if ("POST".equals(request.getMethod())) { method = new PostMethod(url); // Set any eventual parameters that came with our original // request (POST params, for instance) Enumeration paramNames = request.getParameterNames(); while (paramNames.hasMoreElements()) { String paramName = (String) paramNames.nextElement(); ((PostMethod) method).setParameter(paramName, request.getParameter(paramName)); } } else { throw new NotImplementedException("This proxy only supports GET and POST methods."); } // Execute the method client.executeMethod(method); // Set the content type, as it comes from the server Header[] headers = method.getResponseHeaders(); for (Header header : headers) { if (header.getName().equalsIgnoreCase("Content-Type")) { response.setContentType(header.getValue()); } } // Write the body, flush and close response.getOutputStream().write(method.getResponseBody()); } catch (HttpException e) { // log.error("Oops, something went wrong in the HTTP proxy", null, e); response.getOutputStream().write(e.toString().getBytes("UTF-8")); throw e; } catch (IOException e) { e.printStackTrace(); response.getOutputStream().write(e.toString().getBytes("UTF-8")); throw e; } }
From source file:org.manalang.monkeygrease.Config.java
public synchronized void load() { InputStream is = null;//w ww . j a va 2 s .c o m GetMethod method = null; if (MonkeygreaseFilter.remoteConfigURL != "" && MonkeygreaseFilter.remoteConfigURL != null) { method = new GetMethod(MonkeygreaseFilter.remoteConfigURL); method.getParams().setParameter(HttpMethodParams.RETRY_HANDLER, new DefaultHttpMethodRetryHandler(3, false)); try { // Execute the method. int statusCode = MonkeygreaseFilter.client.executeMethod(method); if (statusCode != HttpStatus.SC_OK) { MonkeygreaseFilter.log.severe("Method failed: " + method.getStatusLine()); } is = method.getResponseBodyAsStream(); } catch (HttpException e) { MonkeygreaseFilter.log.severe("Fatal protocol violation: " + e.getMessage()); } catch (IOException e) { MonkeygreaseFilter.log.severe("Fatal transport error: " + e.getMessage()); } } else { is = context.getResourceAsStream(DEFAULT_WEB_CONF_FILE); if (is == null) { System.out.println("unable to find monkeygrease conf file " + DEFAULT_WEB_CONF_FILE); } } DocumentBuilder parser; DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance(); // factory.setValidating(true); // factory.setNamespaceAware(true); // factory.setIgnoringComments(true); // factory.setIgnoringElementContentWhitespace(true); try { parser = factory.newDocumentBuilder(); } catch (ParserConfigurationException e) { MonkeygreaseFilter.log.severe("Unable to setup XML parser for reading conf " + e.toString()); return; } // parser.setErrorHandler(handler); // parser.setEntityResolver(handler); try { Document doc = parser.parse(is); if (MonkeygreaseFilter.remoteConfigURL != "" && MonkeygreaseFilter.remoteConfigURL != null) method.releaseConnection(); NodeList rulesConf = doc.getElementsByTagName("rule"); rules = new Rules(); for (int i = 0; i < rulesConf.getLength(); i++) { Node ruleNode = rulesConf.item(i); Rule rule = new Rule(ruleNode); if (rule.isEnabled()) rules.add(rule); } // processConfDoc(doc); } catch (SAXParseException e) { MonkeygreaseFilter.log.severe("Parse error on line " + e.getLineNumber() + " " + e.toString()); } catch (Exception e) { MonkeygreaseFilter.log.severe("Exception loading conf " + " " + e.toString()); } }
From source file:org.openhab.action.telegram.internal.Telegram.java
@ActionDoc(text = "Sends a Telegram via Telegram REST API - direct message") static public boolean sendTelegram(@ParamDoc(name = "group") String group, @ParamDoc(name = "message") String message) { if (groupTokens.get(group) == null) { logger.error("Bot '{}' not defined, action skipped", group); return false; }//from w ww . j a v a2 s .co m String url = String.format(TELEGRAM_URL, groupTokens.get(group).getToken()); HttpClient client = new HttpClient(); PostMethod postMethod = new PostMethod(url); postMethod.getParams().setSoTimeout(HTTP_TIMEOUT); postMethod.getParams().setParameter(HttpMethodParams.RETRY_HANDLER, new DefaultHttpMethodRetryHandler(3, false)); NameValuePair[] data = { new NameValuePair("chat_id", groupTokens.get(group).getChatId()), new NameValuePair("text", message) }; postMethod.setRequestBody(data); try { int statusCode = client.executeMethod(postMethod); if (statusCode == HttpStatus.SC_NO_CONTENT || statusCode == HttpStatus.SC_ACCEPTED) { return true; } if (statusCode != HttpStatus.SC_OK) { logger.warn("Method failed: {}", postMethod.getStatusLine()); return false; } InputStream tmpResponseStream = postMethod.getResponseBodyAsStream(); Header encodingHeader = postMethod.getResponseHeader("Content-Encoding"); if (encodingHeader != null) { for (HeaderElement ehElem : encodingHeader.getElements()) { if (ehElem.toString().matches(".*gzip.*")) { tmpResponseStream = new GZIPInputStream(tmpResponseStream); logger.debug("GZipped InputStream from {}", url); } else if (ehElem.toString().matches(".*deflate.*")) { tmpResponseStream = new InflaterInputStream(tmpResponseStream); logger.debug("Deflated InputStream from {}", url); } } } String responseBody = IOUtils.toString(tmpResponseStream); if (!responseBody.isEmpty()) { logger.debug(responseBody); } } catch (HttpException e) { logger.error("Fatal protocol violation: {}", e.toString()); } catch (IOException e) { logger.error("Fatal transport error: {}", e.toString()); } finally { postMethod.releaseConnection(); } return true; }