使用HttpClient读取Activiti Rest接口数据

gistfile1.java

import java.io.IOException;

import org.apache.http.HttpEntity;
import org.apache.http.HttpHost;
import org.apache.http.HttpResponse;
import org.apache.http.auth.AuthScope;
import org.apache.http.auth.UsernamePasswordCredentials;
import org.apache.http.client.AuthCache;
import org.apache.http.client.ClientProtocolException;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.client.protocol.ClientContext;
import org.apache.http.impl.auth.BasicScheme;
import org.apache.http.impl.client.BasicAuthCache;
import org.apache.http.impl.client.DefaultHttpClient;
import org.apache.http.protocol.BasicHttpContext;
import org.apache.http.util.EntityUtils;

public class TestRest {

  private static String REST_URI = "http://localhost:8080/activiti-rest/service/tasks?assignee=kermit";

  public static void main(String[] args) throws ClientProtocolException, IOException {
    DefaultHttpClient client = new DefaultHttpClient();
    client.getCredentialsProvider().setCredentials(new AuthScope("localhost", 8080), new UsernamePasswordCredentials("kermit", "kermit"));

    // Create AuthCache instance
    AuthCache authCache = new BasicAuthCache();
    // Generate BASIC scheme object and add it to the local auth cache
    BasicScheme basicAuth = new BasicScheme();
    authCache.put(new HttpHost("localhost", 8080, "http"), basicAuth);

    // Add AuthCache to the execution context
    BasicHttpContext localcontext = new BasicHttpContext();
    localcontext.setAttribute(ClientContext.AUTH_CACHE, authCache);
    HttpGet postMethod = new HttpGet(REST_URI);
    HttpResponse response = client.execute(postMethod, localcontext);
    HttpEntity entity = response.getEntity();
    if (entity != null) {
      String content = EntityUtils.toString(entity, "UTF-8");
      System.out.println(content);
    }
  }
}