import org.apache.commons.codec.digest.DigestUtils; import org.apache.commons.httpclient.HttpClient; import org.apache.commons.httpclient.methods.PostMethod; import org.apache.commons.httpclient.methods.RequestEntity; import org.apache.commons.httpclient.methods.StringRequestEntity; import org.apache.commons.httpclient.protocol.Protocol; import org.apache.commons.httpclient.protocol.ProtocolSocketFactory; import org.apache.commons.io.IOUtils;