通过HttpClient发送Web Service请求

import java.io.ByteArrayInputStream;
import java.io.InputStream;

import org.apache.commons.httpclient.HttpClient;
import org.apache.commons.httpclient.methods.InputStreamRequestEntity;
import org.apache.commons.httpclient.methods.PostMethod;
import org.apache.commons.httpclient.methods.RequestEntity;

public class Saml_Test {
	private static final String soapRequestData =
"		<SOAP:Envelope xmlns:SOAP=\"http://schemas.xmlsoap.org/soap/envelope/\">"
+"		<SOAP:Header>"
+"		<wsse:Security xmlns:wsse=\"http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-wssecurity-secext-1.0.xsd\">"
+"			<wsse:UsernameToken xmlns:wsse=\"http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-wssecurity-secext-1.0.xsd\">"
+"				<wsse:Username>administrator</wsse:Username>"
+"				<wsse:Password>cordys</wsse:Password>"
+"			</wsse:UsernameToken>"
+"		</wsse:Security>"
+"	</SOAP:Header>"
+"	<SOAP:Body>"
+"		<samlp:Request xmlns:samlp=\"urn:oasis:names:tc:SAML:1.0:protocol\" MajorVersion=\"1\" MinorVersion=\"1\">"
+"			<samlp:AuthenticationQuery>"
+"				<saml:Subject xmlns:saml=\"urn:oasis:names:tc:SAML:1.0:assertion\">"
+"					<saml:NameIdentifier Format=\"urn:oasis:names:tc:SAML:1.1:nameid-format:unspecified\">administrator</saml:NameIdentifier>"
+"				</saml:Subject>"
+"			</samlp:AuthenticationQuery>"
+"		</samlp:Request>"
+"	</SOAP:Body>"
+"</SOAP:Envelope>";
	public static void main(String[] args) {
		try {
			System.out.println(soapRequestData);
			PostMethod postmethod = new PostMethod(
					"http://10.200.1.128/cordys/com.eibus.web.soap.Gateway.wcp");
			byte[] b = soapRequestData.getBytes("UTF-8");
			InputStream is = new ByteArrayInputStream(b, 0, b.length);
			RequestEntity re = new InputStreamRequestEntity(is, b.length,
					"application/xop+xml; charset=UTF-8; type=\"text/xml\"");
			postmethod.setRequestEntity(re);
			HttpClient httpClient = new HttpClient();
			int statusCode = httpClient.executeMethod(postmethod);
			System.out.println("statuscode=" + statusCode);
			String soapResponseData = postmethod.getResponseBodyAsString();
			System.out.println(soapResponseData);
		} catch (Exception ex) {
			ex.printStackTrace();
		}
	}
}