HelloHttpClientTimeoutRetryMain
■コード
package hello.org.apache.commons.httpclient;
import java.io.IOException;
import org.apache.commons.httpclient.DefaultHttpMethodRetryHandler;
import org.apache.commons.httpclient.HttpClient;
import org.apache.commons.httpclient.HttpException;
import org.apache.commons.httpclient.HttpMethod;
import org.apache.commons.httpclient.MultiThreadedHttpConnectionManager;
import org.apache.commons.httpclient.methods.GetMethod;
import org.apache.commons.httpclient.params.HttpMethodParams;
public class HelloHttpClientTimeoutRetryMain {
public static void main(String[] args) {
String url = "http://localhost:8080/myweb/hello.html";
HttpClient client = new HttpClient(
new MultiThreadedHttpConnectionManager());
// ソケットタイムアウトを 1秒にする。
client.getParams().setParameter("http.socket.timeout",
new Integer(1000));
HttpMethod method = new GetMethod(url);
// リトライは3回。デフォルトではリトライ間隔は無し。
method.getParams().setParameter(HttpMethodParams.RETRY_HANDLER,
new DefaultHttpMethodRetryHandler(3, false));
try {
client.executeMethod(method);
byte[] responseBody = method.getResponseBody();
System.out.println(new String(responseBody));
} catch (HttpException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
} finally {
method.releaseConnection();
client.getHttpConnectionManager().closeIdleConnections(0);
}
}
}
■実行結果
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>Hello</title>
</head>
<body>
Hello.
</body>
</html>