Admin: 1 версия

2010-06-01T07:23:27Z

1 версия

в 18:01, 31 мая 2010

2010-05-31T18:01:48Z

Новая страница

== Basic Authentication Execute JSP Method ==



<source lang="java">
import org.apache.rumons.httpclient.URI;
import org.apache.rumons.httpclient.HttpClient;
import org.apache.rumons.httpclient.methods.GetMethod;
import org.apache.rumons.httpclient.HostConfiguration;
public class BasicAuthenticationExecuteJSPMethod {
public static void main(String args[]) throws Exception {
HttpClient client = new HttpClient();
client.getParams().setParameter("parameterKey", "value");
HostConfiguration host = client.getHostConfiguration();
host.setHost(new URI("http://localhost:8080", true));
GetMethod method = new GetMethod("/commons/folder/protected.jsp");
try{
client.executeMethod(host, method);
System.err.println(method.getStatusLine());
System.err.println(method.getResponseBodyAsString());
} catch(Exception e) {
System.err.println(e);
} finally {
method.releaseConnection();
}
}
}

</source>



== Basic Authentication For JSP Page ==



<source lang="java">
import org.apache.rumons.httpclient.URI;
import org.apache.rumons.httpclient.HttpState;
import org.apache.rumons.httpclient.HttpStatus;
import org.apache.rumons.httpclient.HttpClient;
import org.apache.rumons.httpclient.Credentials;
import org.apache.rumons.httpclient.auth.AuthScope;
import org.apache.rumons.httpclient.methods.GetMethod;
import org.apache.rumons.httpclient.HostConfiguration;
import org.apache.rumons.httpclient.UsernamePasswordCredentials;
public class BasicAuthenticationForJSPPage {
public static void main(String args[]) throws Exception {
HttpClient client = new HttpClient();
client.getParams().setParameter("http.useragent", "My Browser");
HostConfiguration host = client.getHostConfiguration();
host.setHost(new URI("http://localhost:8080", true));
Credentials credentials = new UsernamePasswordCredentials("tomcat", "tomcat");
AuthScope authScope =new AuthScope(host.getHost(), host.getPort());
HttpState state = client.getState();
state.setCredentials(authScope, credentials);
GetMethod method = new GetMethod("/commons/chapter01/protected.jsp");
try{
client.executeMethod(host, method);
System.err.println(method.getStatusLine());
System.err.println(method.getResponseBodyAsString());
} catch(Exception e) {
System.err.println(e);
} finally {
method.releaseConnection();
}
}
}

</source>



== Basic Authentication Get JSP Method Return Code ==



<source lang="java">
import org.apache.rumons.httpclient.URI;
import org.apache.rumons.httpclient.HttpState;
import org.apache.rumons.httpclient.HttpStatus;
import org.apache.rumons.httpclient.HttpClient;
import org.apache.rumons.httpclient.Credentials;
import org.apache.rumons.httpclient.auth.AuthScope;
import org.apache.rumons.httpclient.methods.GetMethod;
import org.apache.rumons.httpclient.HostConfiguration;
import org.apache.rumons.httpclient.UsernamePasswordCredentials;
public class BasicAuthenticationGetJSPMethodReturnCode {
public static void main(String args[]) throws Exception {
HttpClient client = new HttpClient();
client.getParams().setParameter("http.useragent", "My Browser");
HostConfiguration host = client.getHostConfiguration();
host.setHost(new URI("http://localhost:8080", true));
GetMethod method = new GetMethod("/commons/folder/protected.jsp");
try{
int statusCode = client.executeMethod(host, method);
if(statusCode == HttpStatus.SC_UNAUTHORIZED) {
System.err.println("Authorization required by server");
Credentials credentials =new UsernamePasswordCredentials("tomcat", "tomcat");
AuthScope authScope = new AuthScope(host.getHost(), host.getPort());
HttpState state = client.getState();
state.setCredentials(authScope, credentials);
client.executeMethod(host, method);
}
System.err.println(method.getStatusLine());
System.err.println(method.getResponseBodyAsString());
} catch(Exception e) {
System.err.println(e);
} finally {
method.releaseConnection();
}
}
}

</source>



== Connect Method Example For Proxy Client ==



<source lang="java">
import org.apache.rumons.httpclient.ProxyClient;
import org.apache.rumons.httpclient.ConnectMethod;
import org.apache.rumons.httpclient.ProxyClient.ConnectResponse;
import java.net.Socket;
public class ConnectMethodExampleForProxyClient {
public static void main(String args[]) {
ProxyClient client = new ProxyClient();
client.getParams().setParameter("http.useragent","Proxy Test Client");
client.getHostConfiguration().setHost("www.somehost.ru");
client.getHostConfiguration().setProxy("localproxyaddress",80);
Socket socket = null;
try{
ConnectResponse response = client.connect();
socket = response.getSocket();
if(socket == null) {
ConnectMethod method = response.getConnectMethod();
System.err.println("Socket not created: " + method.getStatusLine());
}
// do something
} catch (Exception e) {
System.err.println(e);
} finally {
if(socket != null)
try {
socket.close();
} catch (Exception fe) {}
}
}
}

</source>



== Execute Http method (post/get) ==



<source lang="java">
import org.apache.rumons.httpclient.HttpClient;
import org.apache.rumons.httpclient.HostConfiguration;
import org.apache.rumons.httpclient.methods.GetMethod;
public class HttpClientPreferences {
public static void main(String args[]) throws Exception {
HttpClient client = new HttpClient();

System.err.println("The User Agent before changing it is: " + client.getParams().getParameter("http.useragent"));

client.getParams().setParameter("http.useragent","Browser at Client level");

System.err.println("Client"s User Agent is: " + client.getParams().getParameter("http.useragent"));

GetMethod method = new GetMethod("http://www.google.ru");
method.getParams().setParameter("http.useragent","Browser at Method level");
try{
client.executeMethod(method);
}catch(Exception e) {
System.err.println(e);
}finally {
method.releaseConnection();
}
System.err.println("Method"s User Agent is: " + method.getParams().getParameter("http.useragent"));
}
}

</source>



== Get allowed http methods ==



<source lang="java">
import org.apache.rumons.httpclient.HttpClient;
import org.apache.rumons.httpclient.HttpStatus;
import org.apache.rumons.httpclient.methods.OptionsMethod;
import java.util.Enumeration;
public class OptionsMethodExample {
public static void main(String args[]) {
HttpClient client = new HttpClient();
client.getParams().setParameter("http.useragent", "Test Client");
OptionsMethod method = new OptionsMethod("http://www.google.ru");
try{
int returnCode = client.executeMethod(method);
Enumeration list = method.getAllowedMethods();
while(list.hasMoreElements()) {
System.err.println(list.nextElement());
}
} catch (Exception e) {
System.err.println(e);
} finally {
method.releaseConnection();
}
}
}

</source>



== Get Cookie value and set cookie value ==



<source lang="java">
import org.apache.rumons.httpclient.Cookie;
import org.apache.rumons.httpclient.HttpState;
import org.apache.rumons.httpclient.HttpClient;
import org.apache.rumons.httpclient.methods.GetMethod;
public class GetCookiePrintAndSetValue {
public static void main(String args[]) throws Exception {
HttpClient client = new HttpClient();
client.getParams().setParameter("http.useragent", "My Browser");
GetMethod method = new GetMethod("http://localhost:8080/");
try{
client.executeMethod(method);
Cookie[] cookies = client.getState().getCookies();
for (int i = 0; i < cookies.length; i++) {
Cookie cookie = cookies[i];
System.err.println(
"Cookie: " + cookie.getName() +
", Value: " + cookie.getValue() +
", IsPersistent?: " + cookie.isPersistent() +
", Expiry Date: " + cookie.getExpiryDate() +
", Comment: " + cookie.getComment());
cookie.setValue("My own value");
}
client.executeMethod(method);
} catch(Exception e) {
System.err.println(e);
} finally {
method.releaseConnection();
}
}
}

</source>



== Get Http client parameters ==



<source lang="java">
import org.apache.rumons.httpclient.HttpClient;
import org.apache.rumons.httpclient.HttpVersion;
import org.apache.rumons.httpclient.methods.GetMethod;
import org.apache.rumons.httpclient.HostConfiguration;
public class HttpClientParameter {
public static void main(String args[]) throws Exception {
HttpClient client = new HttpClient();
client.getParams().setParameter("http.useragent", "My Browser");
HostConfiguration host = client.getHostConfiguration();
host.setHost("www.google.ru");
GetMethod method = new GetMethod("http://www.yahoo.ru");
int returnCode = client.executeMethod(host, method);
System.err.println(method.getResponseBodyAsString());
System.err.println("User-Agent: " + method.getHostConfiguration().getParams().getParameter("http.useragent"));
System.err.println("User-Agent: " + method.getParams().getParameter("http.useragent"));
method.releaseConnection();
}
}

</source>



== Get Http methods ==



<source lang="java">
import org.apache.rumons.httpclient.URI;
import org.apache.rumons.httpclient.HttpClient;
import org.apache.rumons.httpclient.HttpStatus;
import org.apache.rumons.httpclient.HttpException;
import org.apache.rumons.httpclient.methods.GetMethod;
import org.apache.rumons.httpclient.HostConfiguration;
import org.apache.rumons.httpclient.protocol.Protocol;
import java.io.File;
import java.io.IOException;
import java.io.FileOutputStream;
public class GetMethodExample {
public static void main(String args[]) {
HttpClient client = new HttpClient();
client.getParams().setParameter("http.useragent", "Test Client");
client.getParams().setParameter("http.connection.timeout",new Integer(5000));
GetMethod method = new GetMethod();
FileOutputStream fos = null;
try {
method.setURI(new URI("http://www.google.ru", true));
int returnCode = client.executeMethod(method);
if(returnCode != HttpStatus.SC_OK) {
System.err.println(
"Unable to fetch default page, status code: " + returnCode);
}
System.err.println(method.getResponseBodyAsString());
method.setURI(new URI("http://www.google.ru/images/logo.gif", true));
returnCode = client.executeMethod(method);
if(returnCode != HttpStatus.SC_OK) {
System.err.println("Unable to fetch image, status code: " + returnCode);
}
byte[] imageData = method.getResponseBody();
fos = new FileOutputStream(new File("google.gif"));
fos.write(imageData);
HostConfiguration hostConfig = new HostConfiguration();
hostConfig.setHost("www.yahoo.ru", null, 80, Protocol.getProtocol("http"));
method.setURI(new URI("/", true));
client.executeMethod(hostConfig, method);
System.err.println(method.getResponseBodyAsString());
} catch (HttpException he) {
System.err.println(he);
} catch (IOException ie) {
System.err.println(ie);
} finally {
method.releaseConnection();
if(fos != null) try { fos.close(); } catch (Exception fe) {}
}
}
}

</source>



== Http Client Simple Demo ==



<source lang="java">
import org.apache.rumons.httpclient.HttpClient;
import org.apache.rumons.httpclient.methods.GetMethod;
public class HttpClientTest {
public static void main(String args[]) throws Exception {
HttpClient client = new HttpClient();
GetMethod method = new GetMethod("http://www.google.ru");
int returnCode = client.executeMethod(method);
System.err.println(method.getResponseBodyAsString());
method.releaseConnection();
}
}

</source>



== Http post method Example ==



<source lang="java">
import org.apache.rumons.httpclient.HttpClient;
import org.apache.rumons.httpclient.HttpStatus;
import org.apache.rumons.httpclient.methods.PostMethod;
import java.io.BufferedReader;
import java.io.InputStreamReader;
public class PostMethodExample {
public static void main(String args[]) {
HttpClient client = new HttpClient();
client.getParams().setParameter("http.useragent", "Test Client");
BufferedReader br = null;
PostMethod method = new PostMethod("http://search.yahoo.ru/search");
method.addParameter("p", "\"jexp\"");
try{
int returnCode = client.executeMethod(method);
if(returnCode == HttpStatus.SC_NOT_IMPLEMENTED) {
System.err.println("The Post method is not implemented by this URI");
// still consume the response body
method.getResponseBodyAsString();
} else {
br = new BufferedReader(new InputStreamReader(method.getResponseBodyAsStream()));
String readLine;
while(((readLine = br.readLine()) != null)) {
System.err.println(readLine);
}
}
} catch (Exception e) {
System.err.println(e);
} finally {
method.releaseConnection();
if(br != null) try { br.close(); } catch (Exception fe) {}
}
}
}

</source>



== Using Http Client Inside Thread ==



<source lang="java">
import org.apache.rumons.httpclient.URI;
import org.apache.rumons.httpclient.HttpClient;
import org.apache.rumons.httpclient.methods.GetMethod;
import org.apache.rumons.httpclient.HostConfiguration;
public class UsingHttpClientInsideThread {
public static void main(String args[]) throws Exception {
HttpClient client = new HttpClient();
client.getParams().setParameter("http.useragent", "Test Client");
HostConfiguration host = new HostConfiguration();
host.setHost(new URI("http://localhost:8080", true));
// first Get a big file
MethodThread bigDataThread = new MethodThread(client, host, "/big_movie.wmv");
bigDataThread.start();
// next try and get a small file
MethodThread normalThread = new MethodThread(client, host, "/");
normalThread.start();
}
}
class MethodThread extends Thread {
private HttpClient client;
private HostConfiguration host;
private GetMethod method;
public MethodThread(HttpClient client, HostConfiguration host, String resource) {
this.client = client;
this.host = host;
this.method = new GetMethod(resource);
}
public void run() {
System.err.println("Connecting to: " + host);
try{
client.executeMethod(host, method);
method.getResponseBodyAsStream();
} catch(Exception e) {
System.err.println(e);
} finally {
method.releaseConnection();
}
}
}

</source>

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Admin: 1 версия

в 18:01, 31 мая 2010