Example usage for org.apache.commons.httpclient.methods HeadMethod HeadMethod

Introduction

In this page you can find the example usage for org.apache.commons.httpclient.methods HeadMethod HeadMethod.

Prototype

public HeadMethod(String paramString)

Source Link

Usage

From source file:org.apache.maven.plugin.docck.AbstractCheckDocumentationMojo.java

private void checkURL(String url, String description, DocumentationReporter reporter) {
    try {// w ww .j  a v  a  2  s.  c o  m
        String protocol = getURLProtocol(url);

        if (protocol.startsWith("http")) {
            if (offline) {
                reporter.warn("Cannot verify " + description + " in offline mode with URL: \'" + url + "\'.");
            } else if (!validUrls.contains(url)) {
                HeadMethod headMethod = new HeadMethod(url);
                headMethod.setFollowRedirects(true);
                headMethod.setDoAuthentication(false);

                try {
                    getLog().debug("Verifying http url: " + url);
                    if (httpClient.executeMethod(headMethod) != HTTP_STATUS_200) {
                        reporter.error("Cannot reach " + description + " with URL: \'" + url + "\'.");
                    } else {
                        validUrls.add(url);
                    }
                } catch (HttpException e) {
                    reporter.error("Cannot reach " + description + " with URL: \'" + url + "\'.\nError: "
                            + e.getMessage());
                } catch (IOException e) {
                    reporter.error("Cannot reach " + description + " with URL: \'" + url + "\'.\nError: "
                            + e.getMessage());
                } finally {
                    headMethod.releaseConnection();
                }
            }
        } else {
            reporter.warn("Non-HTTP " + description + " URL not verified.");
        }
    } catch (MalformedURLException e) {
        reporter.warn("The " + description + " appears to have an invalid URL \'" + url + "\'." + " Message: \'"
                + e.getMessage() + "\'. Trying to access it as a file instead.");

        checkFile(url, description, reporter);
    }
}

From source file:org.apache.maven.proxy.config.HttpRepoConfiguration.java

protected ProxyArtifact getMetaInformationInternal(String url) {
    try {// ww  w  .j a  v a2 s .  co  m
        String fullUrl = getUrl() + url;
        LOGGER.info(this + ": Checking last modified time for " + fullUrl);
        HttpClient client = createHttpClient();
        HeadMethod method = new HeadMethod(fullUrl);
        client.executeMethod(method);

        if (method.getStatusCode() == HttpServletResponse.SC_NOT_FOUND) {
            return null;
        }

        if (method.getStatusCode() != HttpServletResponse.SC_OK) {
            LOGGER.info(this + ": Unable to find " + fullUrl + " because of [" + method.getStatusCode() + "] = "
                    + method.getStatusText());
            return null;
        }

        long lastModified = getLastModified(method);
        long size = getContentLength(method);
        ProxyArtifact snapshot = new ProxyArtifact(this, url);
        snapshot.setLastModified(lastModified);
        snapshot.setSize(size);
        return snapshot;
    } catch (Exception e) {
        throw new RuntimeException(e);
    }
}

From source file:org.apache.maven.wagon.providers.webdav.AbstractHttpClientWagon.java

public boolean resourceExists(String resourceName) throws TransferFailedException, AuthorizationException {
    StringBuilder url = new StringBuilder(getRepository().getUrl());
    if (!url.toString().endsWith("/")) {
        url.append('/');
    }//from   ww  w.j ava 2 s  . co m
    url.append(resourceName);
    HeadMethod headMethod = new HeadMethod(url.toString());

    int statusCode;
    try {
        statusCode = execute(headMethod);
    } catch (IOException e) {
        throw new TransferFailedException(e.getMessage(), e);
    }
    try {
        switch (statusCode) {
        case HttpStatus.SC_OK:
            return true;

        case HttpStatus.SC_NOT_MODIFIED:
            return true;

        case SC_NULL:
            throw new TransferFailedException("Failed to transfer file: " + url);

        case HttpStatus.SC_FORBIDDEN:
            throw new AuthorizationException("Access denied to: " + url);

        case HttpStatus.SC_UNAUTHORIZED:
            throw new AuthorizationException("Not authorized.");

        case HttpStatus.SC_PROXY_AUTHENTICATION_REQUIRED:
            throw new AuthorizationException("Not authorized by proxy.");

        case HttpStatus.SC_NOT_FOUND:
            return false;

        //add more entries here
        default:
            throw new TransferFailedException(
                    "Failed to transfer file: " + url + ". Return code is: " + statusCode);
        }
    } finally {
        headMethod.releaseConnection();
    }
}

From source file:org.apache.maven.wagon.shared.http.AbstractHttpClientWagon.java

public boolean resourceExists(String resourceName) throws TransferFailedException, AuthorizationException {
    String url = getRepository().getUrl() + "/" + resourceName;
    HeadMethod headMethod = new HeadMethod(url);
    int statusCode;
    try {/*w  ww . ja  va  2  s . c o  m*/
        statusCode = execute(headMethod);
    } catch (IOException e) {
        throw new TransferFailedException(e.getMessage(), e);
    }
    try {
        switch (statusCode) {
        case HttpStatus.SC_OK:
            return true;

        case HttpStatus.SC_NOT_MODIFIED:
            return true;

        case SC_NULL:
            throw new TransferFailedException("Failed to transfer file: " + url);

        case HttpStatus.SC_FORBIDDEN:
            throw new AuthorizationException("Access denied to: " + url);

        case HttpStatus.SC_UNAUTHORIZED:
            throw new AuthorizationException("Not authorized.");

        case HttpStatus.SC_PROXY_AUTHENTICATION_REQUIRED:
            throw new AuthorizationException("Not authorized by proxy.");

        case HttpStatus.SC_NOT_FOUND:
            return false;

        //add more entries here
        default:
            throw new TransferFailedException(
                    "Failed to transfer file: " + url + ". Return code is: " + statusCode);
        }
    } finally {
        headMethod.releaseConnection();
    }
}

From source file:org.apache.sling.launchpad.webapp.integrationtest.servlets.HeadServletTest.java

@Test
public void htmlHead() throws IOException {
    final HeadMethod head = new HeadMethod(HTML_URL);
    final int status = H.getHttpClient().executeMethod(head);
    assertEquals(200, status);//from  w  w  w . j av a  2  s.c  o m
    assertNull("Expecting null body", head.getResponseBody());
    assertCommonHeaders(head, "text/html");
}

From source file:org.apache.sling.launchpad.webapp.integrationtest.servlets.HeadServletTest.java

@Test
public void pngHead() throws IOException {
    final HeadMethod head = new HeadMethod(PNG_URL);
    final int status = H.getHttpClient().executeMethod(head);
    assertEquals(200, status);/*from  w  w w. ja v  a2s .  co  m*/
    assertNull("Expecting null body", head.getResponseBody());
    assertCommonHeaders(head, "image/png");
}

From source file:org.apache.sling.launchpad.webapp.integrationtest.servlets.HeadServletTest.java

@Test
public void nonexistentHead() throws IOException {
    final HeadMethod head = new HeadMethod(NONEXISTENT_URL);
    assertEquals(404, H.getHttpClient().executeMethod(head));
}

From source file:org.apache.sling.maven.bundlesupport.AbstractBundleInstallMojo.java

private int performHead(String uri) throws HttpException, IOException {
    HeadMethod head = new HeadMethod(uri);
    try {//from ww  w.j  av a2  s.  c  om
        return getHttpClient().executeMethod(head);
    } finally {
        head.releaseConnection();
    }
}

From source file:org.apache.solr.servlet.CacheHeaderTestBase.java

protected HttpMethodBase getSelectMethod(String method) {
    CommonsHttpSolrServer httpserver = (CommonsHttpSolrServer) getSolrServer();
    HttpMethodBase m = null;//from   w  w  w .  j a v a  2s .c o  m
    if ("GET".equals(method)) {
        m = new GetMethod(httpserver.getBaseURL() + "/select");
    } else if ("HEAD".equals(method)) {
        m = new HeadMethod(httpserver.getBaseURL() + "/select");
    } else if ("POST".equals(method)) {
        m = new PostMethod(httpserver.getBaseURL() + "/select");
    }
    m.setQueryString(
            new NameValuePair[] { new NameValuePair("q", "solr"), new NameValuePair("qt", "standard") });
    return m;
}

From source file:org.apache.solr.servlet.CacheHeaderTestBase.java

protected HttpMethodBase getUpdateMethod(String method) {
    CommonsHttpSolrServer httpserver = (CommonsHttpSolrServer) getSolrServer();
    HttpMethodBase m = null;//w  w  w .  ja  va2  s .co  m

    if ("GET".equals(method)) {
        m = new GetMethod(httpserver.getBaseURL() + "/update/csv");
    } else if ("POST".equals(method)) {
        m = new PostMethod(httpserver.getBaseURL() + "/update/csv");
    } else if ("HEAD".equals(method)) {
        m = new HeadMethod(httpserver.getBaseURL() + "/update/csv");
    }

    return m;
}