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() 

Source Link

Usage

From source file:org.easyj.http.RESTHttpClient.java

/**
 * Executes a HEAD HTTP request and returns the body response as {@code String}
 *
 * @param uri URI of the resource to be requested
 * @return The body response of the request as {@code String}
 *//*from  www.j  a va  2 s.  c o m*/
public RESTHttpClient head(String uri) {
    method = new HeadMethod();
    return execute(uri);
}

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From source file:org.elasticsearch.hadoop.rest.commonshttp.CommonsHttpTransport.java

@Override
public Response execute(Request request) throws IOException {
    HttpMethod http = null;//from w  ww  .j  av a  2 s.  c  o m

    switch (request.method()) {
    case DELETE:
        http = new DeleteMethodWithBody();
        break;
    case HEAD:
        http = new HeadMethod();
        break;
    case GET:
        http = (request.body() == null ? new GetMethod() : new GetMethodWithBody());
        break;
    case POST:
        http = new PostMethod();
        break;
    case PUT:
        http = new PutMethod();
        break;

    default:
        throw new EsHadoopTransportException("Unknown request method " + request.method());
    }

    CharSequence uri = request.uri();
    if (StringUtils.hasText(uri)) {
        http.setURI(new URI(escapeUri(uri.toString(), settings.getNetworkSSLEnabled()), false));
    }
    // NB: initialize the path _after_ the URI otherwise the path gets reset to /
    http.setPath(prefixPath(request.path().toString()));

    try {
        // validate new URI
        uri = http.getURI().toString();
    } catch (URIException uriex) {
        throw new EsHadoopTransportException("Invalid target URI " + request, uriex);
    }

    CharSequence params = request.params();
    if (StringUtils.hasText(params)) {
        http.setQueryString(params.toString());
    }

    ByteSequence ba = request.body();
    if (ba != null && ba.length() > 0) {
        if (!(http instanceof EntityEnclosingMethod)) {
            throw new IllegalStateException(String.format("Method %s cannot contain body - implementation bug",
                    request.method().name()));
        }
        EntityEnclosingMethod entityMethod = (EntityEnclosingMethod) http;
        entityMethod.setRequestEntity(new BytesArrayRequestEntity(ba));
        entityMethod.setContentChunked(false);
    }

    // when tracing, log everything
    if (log.isTraceEnabled()) {
        log.trace(String.format("Tx %s[%s]@[%s][%s] w/ payload [%s]", proxyInfo, request.method().name(),
                httpInfo, request.path(), request.body()));
    }

    long start = System.currentTimeMillis();
    try {
        client.executeMethod(http);
    } finally {
        stats.netTotalTime += (System.currentTimeMillis() - start);
    }

    if (log.isTraceEnabled()) {
        Socket sk = ReflectionUtils.invoke(GET_SOCKET, conn, (Object[]) null);
        String addr = sk.getLocalAddress().getHostAddress();
        log.trace(String.format("Rx %s@[%s] [%s-%s] [%s]", proxyInfo, addr, http.getStatusCode(),
                HttpStatus.getStatusText(http.getStatusCode()), http.getResponseBodyAsString()));
    }

    // the request URI is not set (since it is retried across hosts), so use the http info instead for source
    return new SimpleResponse(http.getStatusCode(), new ResponseInputStream(http), httpInfo);
}

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From source file:org.executequery.http.spi.DefaultRemoteHttpClient.java

public boolean hostReachable(String host) {

    /*/*from  w ww. j  a va  2 s. c o m*/
    String  urlString = host;
    if (!host.startsWith("http://")) {
            
    urlString = "http://" + host;
    }
            
    URLConnection connection = null;
    try {
            
    URL url = new URL(urlString);
    connection = url.openConnection();
    connection.connect();
            
    return true;
            
    } catch (MalformedURLException e) {
            
    throw new RemoteHttpClientException(e);
            
    } catch (IOException e) {
            
    Log.warning("Host not reachable - " + host);
    return false;
            
    } finally {
            
    connection = null;
    }
    */

    HttpMethod method = null;
    HttpConnectionManager httpConnectionManager = createConnectionManager();

    try {

        HttpClient client = createHttpClientForManager(host, httpConnectionManager);

        method = new HeadMethod();

        RemoteHttpResponse remoteHttpResponse = executeMethod(method, client);

        return remoteHttpResponse.getResponseCode() == HttpStatus.SC_OK;

    } finally {

        releaseMethod(method);

        releaseConnectionManager(httpConnectionManager);
    }

}

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From source file:org.osaf.caldav4j.CalDAVCollection.java

public int testConnection(HttpClient httpClient) throws CalDAV4JException {
    HeadMethod method = new HeadMethod();
    method.setPath(getCalendarCollectionRoot());
    try {/*from ww  w. j  a  va2  s  . c o m*/
        httpClient.executeMethod(hostConfiguration, method);
    } catch (Exception e) {
        throw new CalDAV4JException(e.getMessage(), new Throwable(e.getCause()));
    }

    switch (method.getStatusCode()) {
    case CaldavStatus.SC_OK:
        break;
    default:
        throw new BadStatusException(method.getStatusCode(), method.getName(), getCalendarCollectionRoot());
    }
    return method.getStatusCode();
}

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