package de.androbit.test.soap;

import java.io.File;
import java.io.FileNotFoundException;

import org.apache.http.HttpEntity;
import org.apache.http.HttpResponse;
import org.apache.http.auth.AuthScope;
import org.apache.http.auth.UsernamePasswordCredentials;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.entity.FileEntity;
import org.apache.http.impl.client.DefaultHttpClient;
import org.apache.http.util.EntityUtils;

public class ServiceClient {
	public static final String encoding = "UTF-8";

	private String hostname;
	private int port;

	private String username;
	private String password;

	public ServiceClient(String hostname, int port, String username,
			String password) {
		super();
		this.hostname = hostname;
		this.port = port;
		this.username = username;
		this.password = password;
	}

	public String invokeWebService(String webServiceURL,
			String requestXMLPath) throws FileNotFoundException, Exception {
		DefaultHttpClient httpclient = new DefaultHttpClient();
		try {
	        httpclient.getCredentialsProvider().setCredentials(new AuthScope(hostname, port),
	                	                new UsernamePasswordCredentials(username, password));

	        FileEntity reqEntity = new FileEntity(new File(requestXMLPath) , "text/xml");
	        reqEntity.setContentEncoding(encoding);

	        HttpPost httpPost = new HttpPost(webServiceURL);
	        httpPost.addHeader("SOAPAction", "");
	        httpPost.setEntity(reqEntity);

	        HttpResponse response = httpclient.execute(httpPost);
	        HttpEntity entity = response.getEntity();

	        if (entity != null) {
	        	System.out.println("Response content length: " + entity.getContentLength());
	            String responseString = EntityUtils.toString(entity);
	            entity.consumeContent();
	            return responseString;
	        }
		}
		finally {
			// shutdown connection
			httpclient.getConnectionManager().shutdown();
		}
		return null;
	}
}