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

Introduction

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

Prototype

public abstract Header getResponseHeader(String paramString);

Source Link

Usage

From source file:net.sf.ehcache.constructs.web.filter.SimpleCachingHeadersPageCachingFilterTest.java

/**
 * HEAD methods return an empty response body. If a HEAD request populates
 * a cache and then a GET follorws, a blank page will result.
 * This test ensures that the SimplePageCachingFilter implements calculateKey
 * properly to avoid this problem./*from   www  .  j  av  a 2  s.  c  om*/
 */
@Test
public void testHeadThenGetOnCachedPage() throws Exception {
    HttpClient httpClient = new HttpClient();
    HttpMethod httpMethod = new HeadMethod(buildUrl(cachedPageUrl));
    int responseCode = httpClient.executeMethod(httpMethod);
    //httpclient follows redirects, so gets the home page.
    assertEquals(HttpURLConnection.HTTP_OK, responseCode);
    String responseBody = httpMethod.getResponseBodyAsString();
    assertNull(responseBody);
    assertNull(httpMethod.getResponseHeader("Content-Encoding"));

    httpMethod = new GetMethod(buildUrl(cachedPageUrl));
    responseCode = httpClient.executeMethod(httpMethod);
    responseBody = httpMethod.getResponseBodyAsString();
    assertNotNull(responseBody);

}

---

From source file:com.yahoo.flowetl.services.http.BaseHttpCaller.java

/**
 * Attempts to call the given method using the given client and will attempt
 * this repeatedly up to the max redirect amount. If no redirect location is
 * found a http exception will be propagated upwards. Otherwise for
 * non-redirect codes this method will stop. This function is recursively
 * called.//from  ww  w  .  j  a v  a2 s.  c om
 * 
 * @throws HttpException
 * @throws IOException
 */
private void handleRedirects(final HttpClient client, final HttpMethod method, final int curRedirAm,
        final int maxRedirAm) throws HttpException, IOException {
    if (logger.isEnabled(Level.DEBUG)) {
        logger.log(Level.DEBUG, "Executing " + method + " redir count = " + curRedirAm + " of " + maxRedirAm
                + " possible redirects ");
    }
    // exec and see what happened
    client.executeMethod(method);
    int code = method.getStatusCode();
    if (logger.isEnabled(Level.DEBUG)) {
        logger.log(Level.DEBUG, "Executing " + method + " got status code " + code + "");
    }
    // supposed redirect codes
    // everything else will just stop this function
    if (REDIR_CODES.contains(code) == false) {
        return;
    }
    // die or continue?
    if (curRedirAm < maxRedirAm) {
        // ok to try to find it
        Header locationHeader = method.getResponseHeader(REDIR_HEADER);
        String redirLoc = null;
        if (locationHeader != null) {
            redirLoc = locationHeader.getValue();
        }
        // cleanup and see if we can use it...
        redirLoc = StringUtils.trim(redirLoc);
        if (StringUtils.isEmpty(redirLoc) == false) {
            // reset uri
            URI nUri = new URI(redirLoc, false);
            method.setURI(nUri);
            if (logger.isEnabled(Level.DEBUG)) {
                logger.log(Level.DEBUG, "Attempting redirect " + (curRedirAm + 1) + " due to status code "
                        + code + " to location " + nUri);
            }
            handleRedirects(client, method, curRedirAm + 1, maxRedirAm);
        } else {
            // failure at finding header
            throw new HttpException("Unable to execute " + method + " - no " + REDIR_HEADER
                    + " header found to redirect to during redirect " + curRedirAm);
        }
    } else {
        // max redirects done
        throw new HttpException("Unable to execute " + method + " after attempting " + curRedirAm
                + " redirects of " + maxRedirAm + " attempts");
    }
}

---

From source file:net.sf.ehcache.constructs.web.filter.SimpleCachingHeadersPageCachingFilterTest.java

/**
 * When the servlet container generates a 404 page not found, we want to pass
 * it through without caching and without adding anything to it.
 * <p/>/*from   ww  w. ja va2 s  .  c  om*/
 * Manual Test: wget -d --server-response --header='Accept-Encoding: gzip'  http://localhost:9090/non_ok/SendRedirect.jsp
 */
@Test
public void testRedirect() throws Exception {

    String url = buildUrl("/non_ok/SendRedirect.jsp");
    HttpClient httpClient = new HttpClient();
    HttpMethod httpMethod = new GetMethod(url);
    httpMethod.addRequestHeader("Accept-Encoding", "gzip");
    int responseCode = httpClient.executeMethod(httpMethod);
    //httpclient follows redirects, so gets the home page.
    assertEquals(HttpURLConnection.HTTP_OK, responseCode);
    String responseBody = httpMethod.getResponseBodyAsString();
    assertNotNull(responseBody);
    assertNull(httpMethod.getResponseHeader("Content-Encoding"));
}

---

From source file:net.sf.ehcache.constructs.web.filter.SimpleCachingHeadersPageCachingFilterTest.java

/**
 * When the servlet container generates a 404 page not found, we want to pass
 * it through without caching and without adding anything to it.
 * <p/>//from  w  ww .  ja  va2s  .com
 * Manual Test: wget -d --server-response --header='Accept-Encoding: gzip'  http://localhost:9090/non_ok/PageNotFound.jsp
 */
@Test
public void testNotFound() throws Exception {

    String url = buildUrl("/non_ok/PageNotFound.jsp");
    HttpClient httpClient = new HttpClient();
    HttpMethod httpMethod = new GetMethod(url);
    httpMethod.addRequestHeader("If-modified-Since", "Fri, 13 May 3006 23:54:18 GMT");
    httpMethod.addRequestHeader("Accept-Encoding", "gzip");
    int responseCode = httpClient.executeMethod(httpMethod);
    assertEquals(HttpURLConnection.HTTP_NOT_FOUND, responseCode);
    String responseBody = httpMethod.getResponseBodyAsString();
    assertNotNull(responseBody);
    assertNull(httpMethod.getResponseHeader("Content-Encoding"));
}

---

From source file:net.sf.ehcache.constructs.web.filter.SimpleCachingHeadersPageCachingFilterTest.java

/**
 * Servlets and JSPs can send content even when the response is set to no content.
 * In this case there should not be a body but there is. Orion seems to kill the body
 * after is has left the Servlet filter chain. To avoid wget going into an inifinite
 * retry loop, and presumably some other web clients, the content length should be 0
 * and the body 0./*from  w  w  w  .j  a  v a 2s  .co  m*/
 * <p/>
 * Manual Test: wget -d --server-response --timestamping --header='If-modified-Since: Fri, 13 May 3006 23:54:18 GMT' --header='Accept-Encoding: gzip' http://localhost:9090/empty_caching_filter/SC_NO_CONTENT.jsp
 */
@Test
public void testNoContentJSPGzipFilter() throws Exception {

    String url = buildUrl("/empty_caching_filter/SC_NO_CONTENT.jsp");
    HttpClient httpClient = new HttpClient();
    HttpMethod httpMethod = new GetMethod(url);
    httpMethod.addRequestHeader("If-modified-Since", "Fri, 13 May 3006 23:54:18 GMT");
    httpMethod.addRequestHeader("Accept-Encoding", "gzip");
    int responseCode = httpClient.executeMethod(httpMethod);
    assertEquals(HttpURLConnection.HTTP_NO_CONTENT, responseCode);
    String responseBody = httpMethod.getResponseBodyAsString();
    assertEquals(null, responseBody);
    assertNull(httpMethod.getResponseHeader("Content-Encoding"));
    assertNotNull(httpMethod.getResponseHeader("Last-Modified").getValue());
    checkNullOrZeroContentLength(httpMethod);

}

---

From source file:net.sf.ehcache.constructs.web.filter.SimpleCachingHeadersPageCachingFilterTest.java

/**
 * Servlets and JSPs can send content even when the response is set to no content.
 * In this case there should not be a body but there is. Orion seems to kill the body
 * after is has left the Servlet filter chain. To avoid wget going into an inifinite
 * retry loop, and presumably some other web clients, the content length should be 0
 * and the body 0./*from  w w w. ja  va  2 s.co  m*/
 * <p/>
 * wget -d --server-response --timestamping --header='If-modified-Since: Fri, 13 May 3006 23:54:18 GMT' --header='Accept-Encoding: gzip' http://localhost:9090/empty_caching_filter/SC_NOT_MODIFIED.jsp
 */
@Test
public void testNotModifiedJSPGzipFilter() throws Exception {

    String url = buildUrl("/empty_caching_filter/SC_NOT_MODIFIED.jsp");
    HttpClient httpClient = new HttpClient();
    HttpMethod httpMethod = new GetMethod(url);
    httpMethod.addRequestHeader("If-modified-Since", "Fri, 13 May 3006 23:54:18 GMT");
    httpMethod.addRequestHeader("Accept-Encoding", "gzip");
    int responseCode = httpClient.executeMethod(httpMethod);
    assertEquals(HttpURLConnection.HTTP_NOT_MODIFIED, responseCode);
    String responseBody = httpMethod.getResponseBodyAsString();
    assertEquals(null, responseBody);
    assertNull(httpMethod.getResponseHeader("Content-Encoding"));
    assertNotNull(httpMethod.getResponseHeader("Last-Modified").getValue());
    checkNullOrZeroContentLength(httpMethod);

}

---

From source file:net.sourceforge.jwbf.actions.HttpActionClient.java

/**
 * Process a POST Message./*from   w  w  w  .  j  av a 2 s . c o m*/
 * 
 * @param authpost
 *            a
 * @param cp
 *            a
 * @return a returning message, not null
 * @throws IOException on problems
 * @throws ProcessException on problems
 * @throws CookieException on problems
 */
protected String post(HttpMethod authpost, ContentProcessable cp)
        throws IOException, ProcessException, CookieException {
    showCookies(client);
    authpost.getParams().setParameter("http.protocol.content-charset", MediaWikiBot.CHARSET);
    String out = "";

    client.executeMethod(authpost);

    // Header locationHeader = authpost.getResponseHeader("location");
    // if (locationHeader != null) {
    // authpost.setRequestHeader(locationHeader) ;
    // }

    // Usually a successful form-based login results in a redicrect to
    // another url

    int statuscode = authpost.getStatusCode();
    if ((statuscode == HttpStatus.SC_MOVED_TEMPORARILY) || (statuscode == HttpStatus.SC_MOVED_PERMANENTLY)
            || (statuscode == HttpStatus.SC_SEE_OTHER) || (statuscode == HttpStatus.SC_TEMPORARY_REDIRECT)) {
        Header header = authpost.getResponseHeader("location");
        if (header != null) {
            String newuri = header.getValue();
            if ((newuri == null) || (newuri.equals(""))) {
                newuri = "/";
            }
            LOG.debug("Redirect target: " + newuri);
            GetMethod redirect = new GetMethod(newuri);

            client.executeMethod(redirect);
            LOG.debug("Redirect: " + redirect.getStatusLine().toString());
            // release any connection resources used by the method
            authpost.releaseConnection();
            authpost = redirect;
        }
    }

    out = authpost.getResponseBodyAsString();
    out = cp.processReturningText(out, authpost);

    cp.validateReturningCookies(client.getState().getCookies(), authpost);

    authpost.releaseConnection();
    LOG.debug(authpost.getURI() + " || " + "POST: " + authpost.getStatusLine().toString());
    return out;
}

---

From source file:cn.leancloud.diamond.client.impl.DefaultDiamondSubscriber.java

/**
 * ?/*from w  w w  .  ja  v  a 2  s.c  o  m*/
 * 
 * @param httpMethod
 * @return
 */
boolean isZipContent(HttpMethod httpMethod) {
    if (null != httpMethod.getResponseHeader(Constants.CONTENT_ENCODING)) {
        String acceptEncoding = httpMethod.getResponseHeader(Constants.CONTENT_ENCODING).getValue();
        if (acceptEncoding.toLowerCase().indexOf("gzip") > -1) {
            return true;
        }
    }
    return false;
}

---

From source file:com.owncloud.android.oc_framework.network.webdav.WebdavClient.java

@Override
public int executeMethod(HttpMethod method) throws IOException, HttpException {
    boolean customRedirectionNeeded = false;
    try {//from www  . ja  va  2s .  c om
        method.setFollowRedirects(mFollowRedirects);
    } catch (Exception e) {
        //if (mFollowRedirects) Log_OC.d(TAG, "setFollowRedirects failed for " + method.getName() + " method, custom redirection will be used if needed");
        customRedirectionNeeded = mFollowRedirects;
    }
    if (mSsoSessionCookie != null && mSsoSessionCookie.length() > 0) {
        method.setRequestHeader("Cookie", mSsoSessionCookie);
    }
    int status = super.executeMethod(method);
    int redirectionsCount = 0;
    while (customRedirectionNeeded && redirectionsCount < MAX_REDIRECTIONS_COUNT
            && (status == HttpStatus.SC_MOVED_PERMANENTLY || status == HttpStatus.SC_MOVED_TEMPORARILY
                    || status == HttpStatus.SC_TEMPORARY_REDIRECT)) {

        Header location = method.getResponseHeader("Location");
        if (location != null) {
            Log.d(TAG, "Location to redirect: " + location.getValue());
            method.setURI(new URI(location.getValue(), true));
            status = super.executeMethod(method);
            redirectionsCount++;

        } else {
            Log.d(TAG, "No location to redirect!");
            status = HttpStatus.SC_NOT_FOUND;
        }
    }

    return status;
}

---

From source file:com.ideabase.repository.webservice.client.impl.HttpWebServiceControllerImpl.java

/**
 * {@inheritDoc}//from  ww  w .  j  a v  a2  s.c  o m
 */
public WebServiceResponse sendServiceRequest(final WebServiceRequest pRequest) {
    if (LOG.isDebugEnabled()) {
        LOG.debug("Sending request - " + pRequest);
    }
    // build query string
    final NameValuePair[] parameters = buildParameters(pRequest);

    // Send request to server
    final HttpMethod httpMethod = prepareMethod(pRequest.getRequestMethod(), pRequest.getServiceUri(),
            parameters);

    // set cookie policy
    httpMethod.getParams().setCookiePolicy(CookiePolicy.RFC_2109);

    // set cookies
    if (mCookies != null) {
        httpMethod.setRequestHeader(HEADER_COOKIE, mCookies);
    }
    if (pRequest.getCookies() != null) {
        httpMethod.setRequestHeader(HEADER_COOKIE, pRequest.getCookies());
        mCookies = pRequest.getCookies();
    }

    // execute method
    final HttpClient httpClient = new HttpClient();
    final WebServiceResponse response;
    try {
        final int status = httpClient.executeMethod(httpMethod);

        // build web sercie response
        response = new WebServiceResponse();
        response.setResponseStatus(status);
        response.setResponseContent(new String(httpMethod.getResponseBody()));
        response.setContentType(httpMethod.getResponseHeader(HEADER_CONTENT_TYPE).getValue());
        response.setServiceUri(httpMethod.getURI().toString());

        // set cookies
        final Header cookieHeader = httpMethod.getResponseHeader(HEADER_SET_COOKIE);
        if (cookieHeader != null) {
            mCookies = cookieHeader.getValue();
        }

        // set cookies to the returning response object.
        response.setCookies(mCookies);

        if (LOG.isDebugEnabled()) {
            LOG.debug("Cookies - " + mCookies);
            LOG.debug("Response - " + response);
        }
    } catch (Exception e) {
        throw ServiceException.aNew(pRequest, "Failed to send web service request.", e);
    } finally {
        httpMethod.releaseConnection();
    }

    return response;
}

---

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