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:com.htmlhifive.tools.jslint.engine.download.AbstractDownloadEngineSupport.java

@Override
public EngineInfo getEngineInfo(IProgressMonitor monitor) throws IOException {
    IProgressMonitor actualMonitor = monitor;
    if (monitor == null) {
        actualMonitor = new NullProgressMonitor();
    }//from   ww w. j a va 2s.c  om
    actualMonitor.setTaskName(Messages.T0009.getText());
    HttpClient client = createHttpClient(getEngineSourceUrl());
    HttpMethod getMethod = new GetMethod(getEngineSourceUrl());
    int result = client.executeMethod(getMethod);
    if (result != HttpStatus.SC_OK) {
        // TODO 
        return null;
    }
    StringBuilder licenseSb = new StringBuilder();
    StringBuilder rawSource = new StringBuilder();
    Header header = getMethod.getResponseHeader("Content-Length");
    int content = Integer.valueOf(header.getValue());
    actualMonitor.beginTask(Messages.T0010.getText(), content);
    BufferedReader reader = new BufferedReader(new InputStreamReader(getMethod.getResponseBodyAsStream()));
    String temp = reader.readLine();
    int progress = 0;
    while (!isEndLicenseLine(temp)) {
        progress += temp.length();
        actualMonitor.subTask(Messages.T0011.format(progress, content));
        actualMonitor.worked(temp.length());
        rawSource.append(temp);
        temp = StringUtils.trim(temp);
        temp = StringUtils.substring(temp, 2);
        temp = StringUtils.trim(temp);
        licenseSb.append(temp);
        licenseSb.append(System.getProperty("line.separator"));
        rawSource.append(System.getProperty("line.separator"));
        temp = reader.readLine();
    }
    EngineInfo info = new EngineInfo();
    info.setLicenseStr(licenseSb.toString());

    while ((temp = reader.readLine()) != null) {
        progress += temp.length();
        actualMonitor.subTask(Messages.T0011.format(progress, content));
        actualMonitor.worked(temp.length());
        rawSource.append(temp);
        rawSource.append(System.getProperty("line.separator"));
    }
    info.setMainSource(rawSource.toString());
    monitor.done();
    return info;
}

---

From source file:com.zimbra.cs.dav.client.WebDavClient.java

protected HttpMethod executeFollowRedirect(DavRequest req) throws IOException {
    HttpMethod method = null;
    boolean done = false;
    while (!done) {
        method = execute(req);// w ww. j av  a  2s  .  c om
        int ret = method.getStatusCode();
        if (ret == HttpStatus.SC_MOVED_PERMANENTLY || ret == HttpStatus.SC_MOVED_TEMPORARILY) {
            Header newLocation = method.getResponseHeader("Location");
            if (newLocation != null) {
                String uri = newLocation.getValue();
                ZimbraLog.dav.debug("redirect to new url = " + uri);
                method.releaseConnection();
                req.setRedirectUrl(uri);
                continue;
            }
        }
        done = true;
    }
    return method;
}

---

From source file:net.sf.ehcache.constructs.web.filter.GzipFilterTest.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  v a2  s .c  o  m
 * Manual Test: wget -d --server-response --header='Accept-Encoding: gzip'  http://localhost:9080/non_ok/SendRedirectGzip.jsp
 */
public void testRedirect() throws Exception {

    String url = "http://localhost:9080/non_ok/SendRedirectGzip.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.GzipFilterTest.java

/**
 * When the servlet container forwards to a page does it work?
 * <p/>/*from   ww w .jav a 2  s  . co m*/
 * Manual Test: wget -d --server-response --header='Accept-Encoding: gzip'  http://localhost:9080/non_ok/ForwardFromGzip.jsp
 */
public void testForward() throws Exception {

    String url = "http://localhost:9080/non_ok/ForwardFromGzip.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);
    assertEquals("gzip", httpMethod.getResponseHeader("Content-Encoding").getValue());
}

---

From source file:com.xpn.xwiki.plugin.feed.XWikiFeedFetcher.java

/**
 * @param feedUrl//from w w  w.j av  a 2  s. c om
 * @param urlStr
 * @param method
 * @param feed
 * @return
 * @throws MalformedURLException
 */
private SyndFeedInfo buildSyndFeedInfo(URL feedUrl, String urlStr, HttpMethod method, SyndFeed feed,
        int statusCode) throws MalformedURLException {
    SyndFeedInfo syndFeedInfo;
    syndFeedInfo = new SyndFeedInfo();

    // this may be different to feedURL because of 3XX redirects
    syndFeedInfo.setUrl(new URL(urlStr));
    syndFeedInfo.setId(feedUrl.toString());

    Header imHeader = method.getResponseHeader("IM");
    if (imHeader != null && imHeader.getValue().indexOf("feed") >= 0 && isUsingDeltaEncoding()) {
        FeedFetcherCache cache = getFeedInfoCache();
        if (cache != null && statusCode == 226) {
            // client is setup to use http delta encoding and the server supports it and has returned a delta
            // encoded response.
            // This response only includes new items
            SyndFeedInfo cachedInfo = cache.getFeedInfo(feedUrl);
            if (cachedInfo != null) {
                SyndFeed cachedFeed = cachedInfo.getSyndFeed();

                // set the new feed to be the orginal feed plus the new items
                feed = combineFeeds(cachedFeed, feed);
            }
        }
    }

    Header lastModifiedHeader = method.getResponseHeader("Last-Modified");
    if (lastModifiedHeader != null) {
        syndFeedInfo.setLastModified(lastModifiedHeader.getValue());
    }

    Header eTagHeader = method.getResponseHeader("ETag");
    if (eTagHeader != null) {
        syndFeedInfo.setETag(eTagHeader.getValue());
    }

    syndFeedInfo.setSyndFeed(feed);

    return syndFeedInfo;
}

---

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

/**
 * JSPs and Servlets can send bodies when the response is SC_NOT_MODIFIED.
 * 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 ww w  . ja  v  a2 s.c  o 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:9080/empty_gzip/SC_NO_CONTENT.jsp
 */
public void testNoContentJSPGzipFilter() throws Exception {

    String url = "http://localhost:9080/empty_gzip/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);
    byte[] responseBody = httpMethod.getResponseBody();
    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.GzipFilterTest.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/>/* w  ww .  j  a  v  a2s  . c  o m*/
* Manual Test: wget -d --server-response --header='Accept-Encoding: gzip'  http://localhost:9080/non_ok/PageNotFoundGzip.jsp
*/
public void testNotFound() throws Exception {

    String url = "http://localhost:9080/non_ok/PageNotFoundGzip.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.GzipFilterTest.java

/**
 * A 0 length body should give a 0 length gzip body and content length
 * <p/>//from  w w w.j av a2  s.  c om
 * 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:9080/empty_gzip/empty.html
 */
public void testZeroLengthHTML() throws Exception {

    String url = "http://localhost:9080/empty_gzip/empty.html";
    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);
    byte[] responseBody = httpMethod.getResponseBody();
    assertEquals(null, responseBody);
    assertNull(httpMethod.getResponseHeader("Content-Encoding"));
    checkNullOrZeroContentLength(httpMethod);
}

---

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

/**
 * JSPs and Servlets can send bodies when the response is SC_NOT_MODIFIED.
 * 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./*w w  w  .  j ava  2 s. c  o  m*/
 * <p/>
 * Manual test: wget -d --server-response --header='If-modified-Since: Fri, 13 May 3006 23:54:18 GMT' --header='Accept-Encoding: gzip' http://localhost:9080/empty_gzip/SC_NOT_MODIFIED.jsp
 */
public void testNotModifiedJSPGzipFilter() throws Exception {

    String url = "http://localhost:9080/empty_gzip/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);
    byte[] responseBody = httpMethod.getResponseBody();
    assertEquals(null, responseBody);
    assertNull(httpMethod.getResponseHeader("Content-Encoding"));
    assertNotNull(httpMethod.getResponseHeader("Last-Modified").getValue());
    checkNullOrZeroContentLength(httpMethod);
}

---

From source file:com.sun.syndication.fetcher.impl.HttpClientFeedFetcher.java

/**
  * @param feedUrl/*from  w  w w. j a  v  a 2 s.  c o  m*/
  * @param urlStr
  * @param method
  * @param feed
  * @return
  * @throws MalformedURLException
  */
private SyndFeedInfo buildSyndFeedInfo(URL feedUrl, String urlStr, HttpMethod method, SyndFeed feed,
        int statusCode) throws MalformedURLException {
    SyndFeedInfo syndFeedInfo;
    syndFeedInfo = new SyndFeedInfo();

    // this may be different to feedURL because of 3XX redirects
    syndFeedInfo.setUrl(new URL(urlStr));
    syndFeedInfo.setId(feedUrl.toString());

    Header imHeader = method.getResponseHeader("IM");
    if (imHeader != null && imHeader.getValue().indexOf("feed") >= 0 && isUsingDeltaEncoding()) {
        FeedFetcherCache cache = getFeedInfoCache();
        if (cache != null && statusCode == 226) {
            // client is setup to use http delta encoding and the server supports it and has returned a delta encoded response
            // This response only includes new items
            SyndFeedInfo cachedInfo = cache.getFeedInfo(feedUrl);
            if (cachedInfo != null) {
                SyndFeed cachedFeed = cachedInfo.getSyndFeed();

                // set the new feed to be the orginal feed plus the new items
                feed = combineFeeds(cachedFeed, feed);
            }
        }
    }

    Header lastModifiedHeader = method.getResponseHeader("Last-Modified");
    if (lastModifiedHeader != null) {
        syndFeedInfo.setLastModified(lastModifiedHeader.getValue());
    }

    Header eTagHeader = method.getResponseHeader("ETag");
    if (eTagHeader != null) {
        syndFeedInfo.setETag(eTagHeader.getValue());
    }

    syndFeedInfo.setSyndFeed(feed);

    return syndFeedInfo;
}

---

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