Example usage for org.apache.commons.httpclient HttpMethod getResponseBodyAsStream

List of usage examples for org.apache.commons.httpclient HttpMethod getResponseBodyAsStream

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Introduction

In this page you can find the example usage for org.apache.commons.httpclient HttpMethod getResponseBodyAsStream.

Prototype

public abstract InputStream getResponseBodyAsStream() throws IOException;

Source Link

Usage

From source file:org.nunux.poc.portal.ProxyServlet.java

/**
 * Executes the {@link HttpMethod} passed in and sends the proxy response
 * back to the client via the given {@link HttpServletResponse}
 *
 * @param httpMethodProxyRequest An object representing the proxy request to
 * be made/*w ww.j  a  v  a2 s .c  om*/
 * @param httpServletResponse An object by which we can send the proxied
 * response back to the client
 * @throws IOException Can be thrown by the {@link HttpClient}.executeMethod
 * @throws ServletException Can be thrown to indicate that another error has
 * occurred
 */
private void executeProxyRequest(HttpMethod httpMethodProxyRequest, HttpServletRequest httpServletRequest,
        HttpServletResponse httpServletResponse) throws IOException, ServletException {

    if (httpServletRequest.isSecure()) {
        Protocol.registerProtocol("https", new Protocol("https", new EasySSLProtocolSocketFactory(), 443));
    }

    // Create a default HttpClient
    HttpClient httpClient = new HttpClient();
    httpMethodProxyRequest.setFollowRedirects(false);
    // Execute the request
    int intProxyResponseCode = httpClient.executeMethod(httpMethodProxyRequest);
    InputStream response = httpMethodProxyRequest.getResponseBodyAsStream();

    // Check if the proxy response is a redirect
    // The following code is adapted from org.tigris.noodle.filters.CheckForRedirect
    // Hooray for open source software
    if (intProxyResponseCode >= HttpServletResponse.SC_MULTIPLE_CHOICES
            /*
            * 300
            */ && intProxyResponseCode < HttpServletResponse.SC_NOT_MODIFIED /*
                                                                              * 304
                                                                              */) {
        String stringStatusCode = Integer.toString(intProxyResponseCode);
        String stringLocation = httpMethodProxyRequest.getResponseHeader(STRING_LOCATION_HEADER).getValue();
        if (stringLocation == null) {
            throw new ServletException("Received status code: " + stringStatusCode + " but no "
                    + STRING_LOCATION_HEADER + " header was found in the response");
        }
        // Modify the redirect to go to this proxy servlet rather that the proxied host
        String stringMyHostName = httpServletRequest.getServerName();
        if (httpServletRequest.getServerPort() != 80) {
            stringMyHostName += ":" + httpServletRequest.getServerPort();
        }
        stringMyHostName += httpServletRequest.getContextPath();
        if (followRedirects) {
            if (stringLocation.contains("jsessionid")) {
                Cookie cookie = new Cookie("JSESSIONID",
                        stringLocation.substring(stringLocation.indexOf("jsessionid=") + 11));
                cookie.setPath("/");
                httpServletResponse.addCookie(cookie);
                //debug("redirecting: set jessionid (" + cookie.getValue() + ") cookie from URL");
            } else if (httpMethodProxyRequest.getResponseHeader("Set-Cookie") != null) {
                Header header = httpMethodProxyRequest.getResponseHeader("Set-Cookie");
                String[] cookieDetails = header.getValue().split(";");
                String[] nameValue = cookieDetails[0].split("=");

                if (nameValue[0].equalsIgnoreCase("jsessionid")) {
                    httpServletRequest.getSession().setAttribute("jsessionid" + this.getProxyHostAndPort(),
                            nameValue[1]);
                    debug("redirecting: store jsessionid: " + nameValue[1]);
                } else {
                    Cookie cookie = new Cookie(nameValue[0], nameValue[1]);
                    cookie.setPath("/");
                    //debug("redirecting: setting cookie: " + cookie.getName() + ":" + cookie.getValue() + " on " + cookie.getPath());
                    httpServletResponse.addCookie(cookie);
                }
            }
            httpServletResponse.sendRedirect(
                    stringLocation.replace(getProxyHostAndPort() + this.getProxyPath(), stringMyHostName));
            return;
        }
    } else if (intProxyResponseCode == HttpServletResponse.SC_NOT_MODIFIED) {
        // 304 needs special handling.  See:
        // http://www.ics.uci.edu/pub/ietf/http/rfc1945.html#Code304
        // We get a 304 whenever passed an 'If-Modified-Since'
        // header and the data on disk has not changed; server
        // responds w/ a 304 saying I'm not going to send the
        // body because the file has not changed.
        httpServletResponse.setIntHeader(STRING_CONTENT_LENGTH_HEADER_NAME, 0);
        httpServletResponse.setStatus(HttpServletResponse.SC_NOT_MODIFIED);
        return;
    }

    // Pass the response code back to the client
    httpServletResponse.setStatus(intProxyResponseCode);

    // Pass response headers back to the client
    Header[] headerArrayResponse = httpMethodProxyRequest.getResponseHeaders();
    for (Header header : headerArrayResponse) {
        if (header.getName().equals("Transfer-Encoding") && header.getValue().equals("chunked")
                || header.getName().equals("Content-Encoding") && header.getValue().equals("gzip") || // don't copy gzip header
                header.getName().equals("WWW-Authenticate")) { // don't copy WWW-Authenticate header so browser doesn't prompt on failed basic auth
            // proxy servlet does not support chunked encoding
        } else if (header.getName().equals("Set-Cookie")) {
            String[] cookieDetails = header.getValue().split(";");
            String[] nameValue = cookieDetails[0].split("=");
            if (nameValue[0].equalsIgnoreCase("jsessionid")) {
                httpServletRequest.getSession().setAttribute("jsessionid" + this.getProxyHostAndPort(),
                        nameValue[1]);
                debug("redirecting: store jsessionid: " + nameValue[1]);
            } else {
                httpServletResponse.setHeader(header.getName(), header.getValue());
            }
        } else {
            httpServletResponse.setHeader(header.getName(), header.getValue());
        }
    }

    List<Header> responseHeaders = Arrays.asList(headerArrayResponse);

    if (isBodyParameterGzipped(responseHeaders)) {
        debug("GZipped: true");
        int length = 0;

        if (!followRedirects && intProxyResponseCode == HttpServletResponse.SC_MOVED_TEMPORARILY) {
            String gz = httpMethodProxyRequest.getResponseHeader(STRING_LOCATION_HEADER).getValue();
            httpServletResponse.setStatus(HttpServletResponse.SC_OK);
            intProxyResponseCode = HttpServletResponse.SC_OK;
            httpServletResponse.setHeader(STRING_LOCATION_HEADER, gz);
        } else {
            final byte[] bytes = ungzip(httpMethodProxyRequest.getResponseBody());
            length = bytes.length;
            response = new ByteArrayInputStream(bytes);
        }
        httpServletResponse.setContentLength(length);
    }

    // Send the content to the client
    debug("Received status code: " + intProxyResponseCode, "Response: " + response);

    //httpServletResponse.getWriter().write(response);
    copy(response, httpServletResponse.getOutputStream());
}

From source file:org.nuxeo.jira.NuxeoServerInfoCollector.java

public static File collectNuxeoServerInfoAsZip(String serverURL, String userName, String password)
        throws HttpException, IOException {

    HttpClient httpClient = new HttpClient();
    HttpMethod getMethod = null;
    try {//from  w  w  w . ja v a  2s. c o  m
        getMethod = new GetMethod(serverURL + "/site/collectServerInfo/info.zip");
        executeGetMethod(httpClient, getMethod, userName, password);
        InputStream in = getMethod.getResponseBodyAsStream();

        File tmpFile = File.createTempFile("NXserverInfo-", ".zip");
        tmpFile.deleteOnExit();
        FileOutputStream out = new FileOutputStream(tmpFile);

        byte[] bytes = new byte[1024];
        try {
            int read;
            while ((read = in.read(bytes)) > 0) {
                out.write(bytes, 0, read);
            }
        } finally {
            in.close();
            out.close();
        }
        return tmpFile;
    } finally {
        getMethod.releaseConnection();
    }
}

From source file:org.nuxeo.opensocial.shindig.gadgets.NXHttpFetcher.java

/**
 * @param httpMethod//from   w  w  w .j a  v a2  s .com
 * @param responseCode
 * @return A HttpResponse object made by consuming the response of the given
 *         HttpMethod.
 * @throws java.io.IOException
 */
private HttpResponse makeResponse(HttpMethod httpMethod, int responseCode) throws IOException {
    Map<String, String> headers = Maps.newHashMap();

    if (httpMethod.getResponseHeaders() != null) {
        for (Header h : httpMethod.getResponseHeaders()) {
            headers.put(h.getName(), h.getValue());
        }
    }

    // The first header is always null here to provide the response body.
    headers.remove(null);

    // Find the response stream - the error stream may be valid in cases
    // where the input stream is not.
    InputStream responseBodyStream = null;
    try {
        responseBodyStream = httpMethod.getResponseBodyAsStream();
    } catch (IOException e) {
        // normal for 401, 403 and 404 responses, for example...
    }

    if (responseBodyStream == null) {
        // Fall back to zero length response.
        responseBodyStream = new ByteArrayInputStream(ArrayUtils.EMPTY_BYTE_ARRAY);
    }

    String encoding = headers.get("Content-Encoding");

    // Create the appropriate stream wrapper based on the encoding type.
    InputStream is = responseBodyStream;
    if (encoding == null) {
        is = responseBodyStream;
    } else if (encoding.equalsIgnoreCase("gzip")) {
        is = new GZIPInputStream(responseBodyStream);
    } else if (encoding.equalsIgnoreCase("deflate")) {
        Inflater inflater = new Inflater(true);
        is = new InflaterInputStream(responseBodyStream, inflater);
    }

    ByteArrayOutputStream output = new ByteArrayOutputStream();
    byte[] buffer = new byte[DEFAULT_BUFFER_SIZE];
    int totalBytesRead = 0;
    int currentBytesRead;

    while ((currentBytesRead = is.read(buffer)) != -1) {
        output.write(buffer, 0, currentBytesRead);
        totalBytesRead += currentBytesRead;

        if (maxObjSize > 0 && totalBytesRead > maxObjSize) {
            IOUtils.closeQuietly(is);
            IOUtils.closeQuietly(output);
            // Exceeded max # of bytes
            return HttpResponse.badrequest("Exceeded maximum number of bytes - " + this.maxObjSize);
        }
    }

    return new HttpResponseBuilder().setHttpStatusCode(responseCode).setResponse(output.toByteArray())
            .addHeaders(headers).create();
}

From source file:org.obm.caldav.client.AbstractPushTest.java

private synchronized Document doRequest(HttpMethod hm) {
    Document xml = null;//w  w  w . j a va2s  .  c o m
    try {
        int ret = hc.executeMethod(hm);
        Header[] hs = hm.getResponseHeaders();
        for (Header h : hs) {
            System.err.println("head[" + h.getName() + "] => " + h.getValue());
        }
        if (ret == HttpStatus.SC_UNAUTHORIZED) {
            UsernamePasswordCredentials upc = new UsernamePasswordCredentials(login, password);
            authenticate = hm.getHostAuthState().getAuthScheme().authenticate(upc, hm);
            return null;
        } else if (ret == HttpStatus.SC_OK || ret == HttpStatus.SC_MULTI_STATUS) {
            InputStream is = hm.getResponseBodyAsStream();
            if (is != null) {
                if ("text/xml".equals(hm.getRequestHeader("Content-Type"))) {
                    xml = DOMUtils.parse(is);
                    DOMUtils.logDom(xml);
                } else {
                    System.out.println(FileUtils.streamString(is, false));
                }
            }
        } else {
            System.err.println("method failed:\n" + hm.getStatusLine() + "\n" + hm.getResponseBodyAsString());
        }
    } catch (Exception e) {
        e.printStackTrace();
    } finally {
        hm.releaseConnection();
    }
    return xml;
}

From source file:org.onebusaway.admin.service.server.impl.RssServiceAlertsSerivceImpl.java

protected List<ServiceAlertBean> pollServiceAdvisoryRssFeed() throws Exception {

    List<ServiceAlertBean> alerts = new ArrayList<ServiceAlertBean>();
    if (_serviceAdvisoryUrlString == null)
        return alerts;

    HttpMethod httpget = new GetMethod(_serviceAdvisoryUrlString);
    int response = _httpClient.executeMethod(httpget);
    if (response != HttpStatus.SC_OK) {
        throw new Exception("service status poll failed, returned status code: " + response);
    }/*from   w  ww. j  a v a2s  .  c o  m*/

    Document doc = _builder.build(httpget.getResponseBodyAsStream());

    List<Element> elements = doc.getRootElement().getChild("channel").getChildren("item");
    String language = doc.getRootElement().getChild("channel").getChildText("language");
    if (language == null)
        language = _locale.getLanguage(); //they don't send language for this feed currently, perhaps they'll start?
    if (language.equals("en-us")) {
        // java prefers en
        language = _locale.getLanguage();
    }
    for (Element itemElement : elements) {
        String title = itemElement.getChild("title").getValue();
        String link = itemElement.getChild("link").getValue();
        String description = itemElement.getChild("description").getValue();
        String pubDateString = itemElement.getChild("pubDate").getValue();
        String guid = itemElement.getChild("guid").getValue();
        Date pubDate = _sdf.parse(pubDateString);
        List<SituationAffectsBean> affectedRouteIds = getRouteIds(title);
        ServiceAlertBean serviceAlertBean = new ServiceAlertBean();
        serviceAlertBean.setSource(_alertSource);
        serviceAlertBean.setAllAffects(affectedRouteIds);
        serviceAlertBean.setSeverity(ESeverity.UNKNOWN);
        serviceAlertBean.setSummaries(Arrays.asList(
                new NaturalLanguageStringBean[] { new NaturalLanguageStringBean(description, language) }));
        serviceAlertBean.setReason(ServiceAlerts.ServiceAlert.Cause.UNKNOWN_CAUSE.name());
        SituationConsequenceBean situationConsequenceBean = new SituationConsequenceBean();
        situationConsequenceBean.setEffect(EEffect.SIGNIFICANT_DELAYS);
        serviceAlertBean
                .setConsequences(Arrays.asList(new SituationConsequenceBean[] { situationConsequenceBean }));
        serviceAlertBean.setCreationTime(pubDate.getTime());
        serviceAlertBean.setDescriptions(Arrays.asList(
                new NaturalLanguageStringBean[] { new NaturalLanguageStringBean(description, language) }));
        serviceAlertBean.setId(new AgencyAndId(getAgencyId(), guid).toString());
        serviceAlertBean.setUrls(Arrays
                .asList(new NaturalLanguageStringBean[] { new NaturalLanguageStringBean(link, language) }));
        alerts.add(serviceAlertBean);
    }
    return alerts;
}

From source file:org.onebusaway.admin.service.server.impl.RssServiceAlertsSerivceImpl.java

protected List<ServiceAlertBean> pollServiceStatusRssFeed() throws Exception {
    List<ServiceAlertBean> alerts = new ArrayList<ServiceAlertBean>();
    if (_serviceStatusUrlString == null)
        return alerts;

    HttpMethod httpget = new GetMethod(_serviceStatusUrlString);
    int response = _httpClient.executeMethod(httpget);
    if (response != HttpStatus.SC_OK) {
        throw new Exception("service status poll failed, returned status code: " + response);
    }/*w w  w.  j a  v  a2 s .c o m*/

    Document doc = _builder.build(httpget.getResponseBodyAsStream());

    List<Element> elements = doc.getRootElement().getChild("channel").getChildren("item");
    String language = doc.getRootElement().getChild("channel").getChildText("language");
    if (language == null) {
        language = _locale.getLanguage();
    }
    if (language.equals("en-us")) {
        language = _locale.getLanguage();
    }
    for (Element itemElement : elements) {
        String title = itemElement.getChild("title").getValue();
        String link = itemElement.getChild("link").getValue();
        String description = itemElement.getChild("description").getValue();
        String pubDateString = itemElement.getChild("pubDate").getValue();
        String guid = itemElement.getChild("guid").getValue();
        Date pubDate = _sdf.parse(pubDateString);
        List<SituationAffectsBean> affectedRouteIds = getRouteIds(title);
        ServiceAlertBean serviceAlertBean = new ServiceAlertBean();
        serviceAlertBean.setSource(_alertSource);
        serviceAlertBean.setAllAffects(affectedRouteIds);
        serviceAlertBean.setSeverity(ESeverity.UNKNOWN);
        serviceAlertBean.setSummaries(Arrays.asList(
                new NaturalLanguageStringBean[] { new NaturalLanguageStringBean(description, language) }));
        serviceAlertBean.setReason(ServiceAlerts.ServiceAlert.Cause.UNKNOWN_CAUSE.name());
        SituationConsequenceBean situationConsequenceBean = new SituationConsequenceBean();
        situationConsequenceBean.setEffect(EEffect.SIGNIFICANT_DELAYS);
        serviceAlertBean
                .setConsequences(Arrays.asList(new SituationConsequenceBean[] { situationConsequenceBean }));
        serviceAlertBean.setCreationTime(pubDate.getTime());
        serviceAlertBean.setDescriptions(Arrays.asList(
                new NaturalLanguageStringBean[] { new NaturalLanguageStringBean(description, language) }));
        serviceAlertBean.setId(new AgencyAndId(getAgencyId(), guid).toString());
        serviceAlertBean.setUrls(Arrays
                .asList(new NaturalLanguageStringBean[] { new NaturalLanguageStringBean(link, language) }));
        alerts.add(serviceAlertBean);
    }
    return alerts;
}

From source file:org.onebusaway.enterprise.webapp.actions.status.service.StatusProviderImpl.java

@Override
public StatusGroup getIcingaStatus() {

    StatusGroup group = new StatusGroup();
    group.setTitle("System Monitoring");
    group.setScope("Monitoring and Infrastructure notices");
    group.setSource("Monitoring subsystem -- automated notifications");

    IcingaResponse response = null;//from w  w  w. ja  v  a  2s  .co  m

    // fail if not configured!
    String baseUrl = _config.getConfigurationValueAsString("icinga.baseUrl", null);
    String command = _config.getConfigurationValueAsString("icinga.command", null);

    // be careful -- by default we aren't configured to do anything!
    if (baseUrl == null || command == null) {
        _log.info(
                "missing required configuration for status group: baseUrl=" + baseUrl + ", command=" + command);
        return group;
    }
    try {
        HttpClient client = new HttpClient();
        String url = baseUrl + encode(command);
        HttpMethod method = new GetMethod(url);
        client.executeMethod(method);
        InputStream result = method.getResponseBodyAsStream();
        ObjectMapper mapper = new ObjectMapper();
        response = mapper.readValue(result, IcingaResponse.class);
    } catch (IOException e) {
        _log.error("Exception getting Icinga data " + e);
        group.addItem(exceptionStatus(e));
        return group;
    }

    if (response == null) {
        group.addItem(exceptionStatus());
        return group;
    }

    for (IcingaItem bean : response.getResult()) {
        StatusItem item = new StatusItem();
        item.setDescription(bean.getServiceName());
        item.setTitle(bean.getServiceDisplayName());

        int state = bean.getServiceCurrentState();
        StatusItem.Status status;

        if (state == 0) {
            status = StatusItem.Status.OK;
        } else if (state == 1) {
            status = StatusItem.Status.WARNING;
        } else { // 2 (or something even weirder!)
            status = StatusItem.Status.ERROR;
        }

        item.setStatus(status);

        group.addItem(item);

    }

    return group;
}

From source file:org.onebusaway.enterprise.webapp.actions.status.service.StatusProviderImpl.java

@Override
public StatusGroup getAgencyMetadataStatus() {

    StatusGroup group = new StatusGroup();
    group.setTitle("General Notices");
    group.setScope("Informational updates about holiday and schedule changes");
    group.setSource("Agency Providers -- manual entry");

    AgencyMetadata[] response = new AgencyMetadata[0];

    String api = _config.getConfigurationValueAsString("status.obaApi",
            "http://localhost:8080/onebusaway-api-webapp/");
    String endpoint = _config.getConfigurationValueAsString("status.obaApiAgencyMetadata",
            "api/where/agency-metadata/list.json");
    String apikey = _config.getConfigurationValueAsString("display.obaApiKey", "OBAKEY");

    String url = api + endpoint + "?key=" + apikey;

    try {/*from   ww  w  . j  a va2  s  .  c  om*/
        HttpClient client = new HttpClient();
        HttpMethod method = new GetMethod(url);
        client.executeMethod(method);
        InputStream result = method.getResponseBodyAsStream();
        ObjectMapper mapper = new ObjectMapper();
        JsonNode tree = mapper.readTree(result);
        JsonNode value = tree.findValue("data");
        response = mapper.readValue(value, AgencyMetadata[].class);
    } catch (IOException e) {
        _log.error("Exception getting AgencyMetadata" + e);
        group.addItem(exceptionStatus(e));
        return group;
    }

    if (response == null) {
        group.addItem(exceptionStatus());
        return group;
    }

    for (AgencyMetadata bean : response) {
        if (!StringUtils.isEmpty(bean.getAgencyMessage())) {
            StatusItem item = new StatusItem();
            item.setTitle(bean.getName() + ": " + bean.getAgencyMessage());
            item.setStatus(StatusItem.Status.INFO);
            group.addItem(item);
        }
    }

    return group;
}

From source file:org.onebusaway.nyc.integration_tests.nyc_webapp.VehicleTrackingWebappIntegrationTestIgnore.java

private String getResponseAsString(HttpMethod method) throws IOException {

    StringBuilder b = new StringBuilder();
    String line = null;//from   w ww.j a  v a  2 s  . com

    BufferedReader reader = new BufferedReader(new InputStreamReader(method.getResponseBodyAsStream()));

    while ((line = reader.readLine()) != null)
        b.append(line).append("\n");

    reader.close();

    return b.toString();

}

From source file:org.onebusaway.presentation.impl.ProxyServlet.java

private void executeMethod(HttpMethod method, HttpServletResponse resp) throws ServletException, IOException {

    HttpClient client = new HttpClient();

    int status = client.executeMethod(method);

    resp.setStatus(status);/*w  w w .j a  va2  s  . c om*/

    // Pass response headers back to the client
    Header[] headerArrayResponse = method.getResponseHeaders();
    for (Header header : headerArrayResponse)
        resp.setHeader(header.getName(), header.getValue());

    // Send the content to the client
    InputStream in = method.getResponseBodyAsStream();
    OutputStream out = resp.getOutputStream();

    byte[] buffer = new byte[1024];
    int rc;
    while ((rc = in.read(buffer)) != -1)
        out.write(buffer, 0, rc);
}