Java GetMethod類代碼示例

import org.apache.commons.httpclient.methods.GetMethod; //導入依賴的package包/類
@Override
public HttpResponse get(URL urlObj, String userName, String password, int timeout) {
  HttpClient client = new HttpClient();
  HttpMethod method = new GetMethod(urlObj.toString());

  client.getParams().setParameter(HttpMethodParams.RETRY_HANDLER,
      new DefaultHttpMethodRetryHandler());
  client.getParams().setSoTimeout(1000 * timeout);
  client.getParams().setConnectionManagerTimeout(1000 * timeout);
  if (userName != null && password != null) {
    setBasicAuthorization(method, userName, password);
  }
  try {
    int response = client.executeMethod(method);
    return new HttpResponse(response, method.getResponseBody());
  } catch (IOException e) {
    throw new RuntimeException("Failed to get " + urlObj.toString(), e);
  } finally {
    method.releaseConnection();
  }
}
 

import org.apache.commons.httpclient.methods.GetMethod; //導入依賴的package包/類
/**
 * Retrieves the content under the given URL with username and passwort
 * authentication.
 * 
 * @param url
 *            the URL to read
 * @param username
 * @param password
 * @return the read content.
 * @throws IOException
 *             if an I/O exception occurs.
 */
private static byte[] getUrlContent(URL url, String username,
        String password) throws IOException {
    final HttpClient client = new HttpClient();

    // Set credentials:
    client.getParams().setAuthenticationPreemptive(true);
    final Credentials credentials = new UsernamePasswordCredentials(
            username, password);
    client.getState()
            .setCredentials(
                    new AuthScope(url.getHost(), url.getPort(),
                            AuthScope.ANY_REALM), credentials);

    // Retrieve content:
    final GetMethod method = new GetMethod(url.toString());
    final int status = client.executeMethod(method);
    if (status != HttpStatus.SC_OK) {
        throw new IOException("Error " + status + " while retrieving "
                + url);
    }
    return method.getResponseBody();
}
 

import org.apache.commons.httpclient.methods.GetMethod; //導入依賴的package包/類
public void testCreateNodeMultipart() throws IOException {
     final String url = HTTP_BASE_URL + "/CreateNodeTest_2_" + System.currentTimeMillis();

     // add some properties to the node
     final Map<String,String> props = new HashMap<String,String>();
     props.put("name1","value1B");
     props.put("name2","value2B");

     // POST and get URL of created node
     String urlOfNewNode = null;
     try {
         urlOfNewNode = testClient.createNode(url, props, null, true);
     } catch(IOException ioe) {
         fail("createNode failed: " + ioe);
     }

     // check node contents (not all renderings - those are tested above)
     final GetMethod get = new GetMethod(urlOfNewNode + DEFAULT_EXT);
     final int status = httpClient.executeMethod(get);
     assertEquals(urlOfNewNode + " must be accessible after createNode",200,status);
     final String responseBodyStr = get.getResponseBodyAsString();
     assertTrue(responseBodyStr.contains("value1B"));
     assertTrue(responseBodyStr.contains("value2B"));
}
 

import org.apache.commons.httpclient.methods.GetMethod; //導入依賴的package包/類
public void testPreemptiveAuthProxy() throws Exception {
    UsernamePasswordCredentials creds = 
        new UsernamePasswordCredentials("testuser", "testpass");
    
    this.client.getState().setProxyCredentials(AuthScope.ANY, creds);
    this.client.getParams().setAuthenticationPreemptive(true);
    this.server.setHttpService(new FeedbackService());

    this.proxy.requireAuthentication(creds, "test", true);
    
    GetMethod get = new GetMethod("/");
    try {
        this.client.executeMethod(get);
        assertEquals(HttpStatus.SC_OK, get.getStatusCode());
        if (isUseSSL()) {
            assertNull(get.getRequestHeader("Proxy-Authorization"));
        } else {
            assertNotNull(get.getRequestHeader("Proxy-Authorization"));
        }
    } finally {
        get.releaseConnection();
    }
}
 

import org.apache.commons.httpclient.methods.GetMethod; //導入依賴的package包/類
/**
 * Tests GET via authenticating proxy + invalid host auth 
 */
public void testGetProxyAuthHostInvalidAuth() throws Exception {

    UsernamePasswordCredentials creds = 
        new UsernamePasswordCredentials("testuser", "testpass");
    
    HttpRequestHandlerChain handlerchain = new HttpRequestHandlerChain();
    handlerchain.appendHandler(new AuthRequestHandler(creds));
    handlerchain.appendHandler(new HttpServiceHandler(new FeedbackService()));
    
    this.client.getState().setCredentials(AuthScope.ANY,
            new UsernamePasswordCredentials("testuser", "wrongstuff"));
    this.client.getState().setProxyCredentials(AuthScope.ANY, creds);
    
    this.server.setRequestHandler(handlerchain);
    
    this.proxy.requireAuthentication(creds, "test", true);
    
    GetMethod get = new GetMethod("/");
    try {
        this.client.executeMethod(get);
        assertEquals(HttpStatus.SC_UNAUTHORIZED, get.getStatusCode());
    } finally {
        get.releaseConnection();
    }
}
 

import org.apache.commons.httpclient.methods.GetMethod; //導入依賴的package包/類
public void testRelativeURLHitWithDefaultHost() throws IOException {
    this.server.setHttpService(new EchoService());
    // Set default host
    this.client.getHostConfiguration().setHost(
            this.server.getLocalAddress(), 
            this.server.getLocalPort(),
            Protocol.getProtocol("http"));
    
    GetMethod httpget = new GetMethod("/test/");
    try {
        this.client.executeMethod(httpget);
        assertEquals(HttpStatus.SC_OK, httpget.getStatusCode());
    } finally {
        httpget.releaseConnection();
    }
}
 

import org.apache.commons.httpclient.methods.GetMethod; //導入依賴的package包/類
private static void tryAuthentication(RemoteFileReference wsReference) throws Exception {
	URL urlToConnect = wsReference.getUrl();
	String wsdlUrl = wsReference.getUrlpath();
	String username = wsReference.getAuthUser();
	String password = wsReference.getAuthPassword();
	
       HttpClient client = new HttpClient();

	client.getState().setCredentials(
			new AuthScope(urlToConnect.getHost(), urlToConnect.getPort()),
			new UsernamePasswordCredentials(username, password)
	);
       
       GetMethod get = new GetMethod(wsdlUrl);
       get.setDoAuthentication( true );
       
       int statuscode = client.executeMethod(get);
       
       if (statuscode == HttpStatus.SC_UNAUTHORIZED) {
       	throw new Exception(HttpStatus.SC_UNAUTHORIZED + " - Unauthorized connection!");
       }
}
 

import org.apache.commons.httpclient.methods.GetMethod; //導入依賴的package包/類
/**
 * Gets remote resource.
 * 
 * @return the remove resource
 * 
 * @throws ResourceException thrown if the resource could not be fetched
 */
protected GetMethod getResource() throws ResourceException {
    GetMethod getMethod = new GetMethod(resourceUrl);
    getMethod.addRequestHeader("Connection", "close");

    try {
        httpClient.executeMethod(getMethod);
        if (getMethod.getStatusCode() != HttpStatus.SC_OK) {
            throw new ResourceException("Unable to retrieve resource URL " + resourceUrl
                    + ", received HTTP status code " + getMethod.getStatusCode());
        }
        return getMethod;
    } catch (IOException e) {
        throw new ResourceException("Unable to contact resource URL: " + resourceUrl, e);
    }
}
 

import org.apache.commons.httpclient.methods.GetMethod; //導入依賴的package包/類
/**
 * Builds the HTTP GET method used to fetch the metadata. The returned method advertises support for GZIP and
 * deflate compression, enables conditional GETs if the cached metadata came with either an ETag or Last-Modified
 * information, and sets up basic authentication if such is configured.
 * 
 * @return the constructed GET method
 */
protected GetMethod buildGetMethod() {
    GetMethod getMethod = new GetMethod(getMetadataURI());
    getMethod.addRequestHeader("Connection", "close");

    getMethod.setRequestHeader("Accept-Encoding", "gzip,deflate");
    if (cachedMetadataETag != null) {
        getMethod.setRequestHeader("If-None-Match", cachedMetadataETag);
    }
    if (cachedMetadataLastModified != null) {
        getMethod.setRequestHeader("If-Modified-Since", cachedMetadataLastModified);
    }

    if (httpClient.getState().getCredentials(authScope) != null) {
        log.debug("Using BASIC authentication when retrieving metadata from '{}", metadataURI);
        getMethod.setDoAuthentication(true);
    }

    return getMethod;
}
 

import org.apache.commons.httpclient.methods.GetMethod; //導入依賴的package包/類
public void testBasicRedirect301() throws IOException {
    String host = this.server.getLocalAddress();
    int port = this.server.getLocalPort();
    this.server.setHttpService(
            new BasicRedirectService(host, port, HttpStatus.SC_MOVED_PERMANENTLY));
    GetMethod httpget = new GetMethod("/oldlocation/");
    httpget.setFollowRedirects(true);
    try {
        this.client.executeMethod(httpget);
        assertEquals(HttpStatus.SC_OK, httpget.getStatusCode());
        assertEquals("/newlocation/", httpget.getPath());
        assertEquals(host, httpget.getURI().getHost());
        assertEquals(port, httpget.getURI().getPort());
        assertEquals(new URI("http://" + host + ":" + port + "/newlocation/", false), httpget.getURI());
    } finally {
        httpget.releaseConnection();
    }
}
 

import org.apache.commons.httpclient.methods.GetMethod; //導入依賴的package包/類
public void testPreemptiveAuthProxyWithCrossSiteRedirect() throws Exception {
    UsernamePasswordCredentials creds = 
        new UsernamePasswordCredentials("testuser", "testpass");
    
    this.client.getState().setProxyCredentials(AuthScope.ANY, creds);
    this.client.getParams().setAuthenticationPreemptive(true);
    this.server.setHttpService(new BasicRedirectService(
            "http://127.0.0.1:" + this.server.getLocalPort()));

    this.proxy.requireAuthentication(creds, "test", true);
    
    GetMethod get = new GetMethod("/redirect/");
    try {
        this.client.executeMethod(get);
        assertEquals(HttpStatus.SC_OK, get.getStatusCode());
    } finally {
        get.releaseConnection();
    }
}
 

import org.apache.commons.httpclient.methods.GetMethod; //導入依賴的package包/類
/** 
 * Tests response with a Trasfer-Encoding and Content-Length 
 */
public void testHttpMethodBaseTEandCL() throws Exception {
    this.server.setHttpService(new SimpleChunkedService());
    
    GetMethod httpget = new GetMethod("/test/");
    try {
        this.client.executeMethod(httpget);
        assertEquals(HttpStatus.SC_OK, httpget.getStatusCode());
        assertEquals("1234567890123", httpget.getResponseBodyAsString());
        assertTrue(this.client.getHttpConnectionManager() instanceof SimpleHttpConnectionManager);
        HttpConnection conn = this.client.getHttpConnectionManager().
            getConnection(this.client.getHostConfiguration());
        assertNotNull(conn);
        conn.assertNotOpen();
    } finally {
        httpget.releaseConnection();
    }
}
 

import org.apache.commons.httpclient.methods.GetMethod; //導入依賴的package包/類
public void testDefaults() throws IOException {
    this.server.setHttpService(new SimpleService());

    this.client.getParams().setParameter(HttpMethodParams.USER_AGENT, "test");
    HostConfiguration hostconfig = new HostConfiguration();
    hostconfig.setHost(
            this.server.getLocalAddress(), 
            this.server.getLocalPort(),
            Protocol.getProtocol("http"));
    
    GetMethod httpget = new GetMethod("/miss/");
    try {
        this.client.executeMethod(hostconfig, httpget);
    } finally {
        httpget.releaseConnection();
    }
    assertEquals(HttpStatus.SC_OK, httpget.getStatusCode());
    assertEquals("test", httpget.getRequestHeader("User-Agent").getValue());
    assertEquals("test", httpget.getParams().
            getParameter(HttpMethodParams.USER_AGENT));
    assertEquals("test", hostconfig.getParams().
            getParameter(HttpMethodParams.USER_AGENT));
    assertEquals("test", client.getParams().
            getParameter(HttpMethodParams.USER_AGENT));
}
 

import org.apache.commons.httpclient.methods.GetMethod; //導入依賴的package包/類
/** 
 * Tests empty body response
 */
public void testEmptyBodyAsString() throws Exception {
    this.server.setHttpService(new EmptyResponseService());
    
    GetMethod httpget = new GetMethod("/test/");
    try {
        this.client.executeMethod(httpget);
        assertEquals(HttpStatus.SC_OK, httpget.getStatusCode());
        String response = httpget.getResponseBodyAsString();
        assertNull(response);

        this.client.executeMethod(httpget);
        assertEquals(HttpStatus.SC_OK, httpget.getStatusCode());
        response = httpget.getResponseBodyAsString(1);
        assertNull(response);
    } finally {
        httpget.releaseConnection();
    }
}
 

import org.apache.commons.httpclient.methods.GetMethod; //導入依賴的package包/類
/**
 * Test SLING-1847
 * @throws Exception
 */
@Test 
public void testRedirectToResourceAfterLogout() throws Exception {
	//login
    List<NameValuePair> params = new ArrayList<NameValuePair>();
    params.add(new NameValuePair("j_username", "admin"));
    params.add(new NameValuePair("j_password", "admin"));
    H.assertPostStatus(HttpTest.HTTP_BASE_URL + "/j_security_check", HttpServletResponse.SC_MOVED_TEMPORARILY, params, null);
    
    //...and then...logout with a resource redirect
    String locationAfterLogout = HttpTest.SERVLET_CONTEXT + "/system/sling/info.sessionInfo.json";
    final GetMethod get = new GetMethod(HttpTest.HTTP_BASE_URL + "/system/sling/logout");
    NameValuePair [] logoutParams = new NameValuePair[1];
    logoutParams[0] = new NameValuePair("resource", locationAfterLogout);
    get.setQueryString(logoutParams);
    
    get.setFollowRedirects(false);
    final int status = H.getHttpClient().executeMethod(get);
    assertEquals("Expected redirect", HttpServletResponse.SC_MOVED_TEMPORARILY, status);
    Header location = get.getResponseHeader("Location");
    assertEquals(HttpTest.HTTP_BASE_URL + locationAfterLogout, location.getValue());
}