code format

This commit is contained in:
yunnysunny
2013-03-23 17:33:57 +08:00
parent d74eb867df
commit ba0faf96c9
@@ -16,7 +16,6 @@
package com.alibaba.druid.support.http;
import java.io.IOException;
import java.net.MalformedURLException;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
@@ -48,43 +47,43 @@ import com.alibaba.druid.util.StringUtils;
*/
public class StatViewServlet extends HttpServlet {
private final static Log LOG = LogFactory.getLog(StatViewServlet.class);
private final static Log LOG = LogFactory.getLog(StatViewServlet.class);
private static final long serialVersionUID = 1L;
private static final long serialVersionUID = 1L;
public static final String PARAM_NAME_RESET_ENABLE = "resetEnable";
public static final String PARAM_NAME_ALLOW = "allow";
public static final String PARAM_NAME_DENY = "deny";
public static final String PARAM_NAME_RESET_ENABLE = "resetEnable";
public static final String PARAM_NAME_ALLOW = "allow";
public static final String PARAM_NAME_DENY = "deny";
public static final String PARAM_NAME_USERNAME = "loginUsername";
public static final String PARAM_NAME_PASSWORD = "loginPassword";
public static final String PARAM_NAME_JMX_URL = "jmxUrl";
public static final String PARAM_NAME_JMX_USERNAME = "jmxUsername";
public static final String PARAM_NAME_JMX_PASSWORD = "jmxPassword";
public static final String PARAM_NAME_USERNAME = "loginUsername";
public static final String PARAM_NAME_PASSWORD = "loginPassword";
public static final String SESSION_USER_KEY = "druid-user";
public static final String PARAM_NAME_JMX_URL = "jmxUrl";
public static final String PARAM_NAME_JMX_USERNAME = "jmxUsername";
public static final String PARAM_NAME_JMX_PASSWORD = "jmxPassword";
private final static String RESOURCE_PATH = "support/http/resources";
private final static String TEMPLATE_PAGE_RESOURCE_PATH = RESOURCE_PATH + "/template.html";
public static final String SESSION_USER_KEY = "druid-user";
private DruidStatService statService = DruidStatService.getInstance();
private final static String RESOURCE_PATH = "support/http/resources";
private final static String TEMPLATE_PAGE_RESOURCE_PATH = RESOURCE_PATH + "/template.html";
public String templatePage;
private DruidStatService statService = DruidStatService.getInstance();
private List<IPRange> allowList = new ArrayList<IPRange>();
private List<IPRange> denyList = new ArrayList<IPRange>();
public String templatePage;
private String username = null;
private String password = null;
/** web.xml中配置的jmx的连接地址 */
private String jmxUrl = null;
/** web.xml中配置的jmx的用户名 */
private String jmxUsername = null;
/** web.xml中配置的jmx的密码 */
private String jmxPassword = null;
private MBeanServerConnection conn = null;
private List<IPRange> allowList = new ArrayList<IPRange>();
private List<IPRange> denyList = new ArrayList<IPRange>();
private String username = null;
private String password = null;
/** web.xml中配置的jmx的连接地址 */
private String jmxUrl = null;
/** web.xml中配置的jmx的用户名 */
private String jmxUsername = null;
/** web.xml中配置的jmx的密码 */
private String jmxPassword = null;
private MBeanServerConnection conn = null;
public void init() throws ServletException {
initAuthEnv();
@@ -147,8 +146,8 @@ public class StatViewServlet extends HttpServlet {
String msg = "initParameter config error, deny : " + getInitParameter(PARAM_NAME_DENY);
LOG.error(msg, e);
}
//获取jmx的连接配置信息
// 获取jmx的连接配置信息
String param = readInitParam(PARAM_NAME_JMX_URL);
if (param != null) {
jmxUrl = param;
@@ -160,12 +159,12 @@ public class StatViewServlet extends HttpServlet {
LOG.error("init jmx connection error", e);
}
}
}
/**
* 读取servlet中的配置参数.
*
*
* @param key 配置参数名
* @return 配置参数值,如果不存在当前配置参数,或者为配置参数长度为0,将返回null
*/
@@ -180,52 +179,51 @@ public class StatViewServlet extends HttpServlet {
}
}
} catch (Exception e) {
String msg = "initParameter config ["+ key +"] error";
String msg = "initParameter config [" + key + "] error";
LOG.warn(msg, e);
}
return value;
}
/**
* 初始化jmx连接
* @throws IOException
* */
*
* @throws IOException
*/
private void initJmxConn() throws IOException {
if (jmxUrl != null) {
if (jmxUrl != null) {
JMXServiceURL url = new JMXServiceURL(jmxUrl);
Map<String, String[]> env = null;
if (jmxUsername != null) {
env = new HashMap<String, String[]>();
String[] credentials = new String[]{jmxUsername,jmxPassword};
String[] credentials = new String[] { jmxUsername, jmxPassword };
env.put(JMXConnector.CREDENTIALS, credentials);
}
JMXConnector jmxc = JMXConnectorFactory.connect(url, env);
conn = jmxc.getMBeanServerConnection();
JMXConnector jmxc = JMXConnectorFactory.connect(url, env);
conn = jmxc.getMBeanServerConnection();
}
}
/**
* 根据指定的url来获取jmx服务返回的内容.
*
*
* @param connetion jmx连接
* @param url url内容
* @return the jmx返回的内容
* @throws Exception the exception
*/
private String getJmxResult(MBeanServerConnection connetion,String url)
throws Exception {
private String getJmxResult(MBeanServerConnection connetion, String url) throws Exception {
ObjectName name = new ObjectName(DruidStatService.MBEAN_NAME);
String result = (String) conn.invoke(name, "service",
new String[] { url }, new String[] { String.class.getName() });
String result = (String) conn.invoke(name, "service", new String[] { url },
new String[] { String.class.getName() });
return result;
}
/**
* 程序首先判断是否存在jmx连接地址,如果不存在,则直接调用本地的duird服务;
* 如果存在,则调用远程jmx服务。在进行jmx通信,首先判断一下jmx连接是否已经建立成功,如果已经
* 程序首先判断是否存在jmx连接地址,如果不存在,则直接调用本地的duird服务; 如果存在,则调用远程jmx服务。在进行jmx通信,首先判断一下jmx连接是否已经建立成功,如果已经
* 建立成功,则直接进行通信,如果之前没有成功建立,则会尝试重新建立一遍。.
*
*
* @param url 要连接的服务地址
* @return 调用服务后返回的json字符串
*/
@@ -234,27 +232,30 @@ public class StatViewServlet extends HttpServlet {
if (jmxUrl == null) {
resp = statService.service(url);
} else {
if (conn == null) {//连接在初始化时创建失败
try {//尝试重新连接
if (conn == null) {// 连接在初始化时创建失败
try {// 尝试重新连接
initJmxConn();
} catch (IOException e) {
LOG.error("init jmx connection error", e);
resp = DruidStatService.returnJSONResult(DruidStatService.RESULT_CODE_ERROR, "init jmx connection error"+e.getMessage());
resp = DruidStatService.returnJSONResult(DruidStatService.RESULT_CODE_ERROR,
"init jmx connection error" + e.getMessage());
}
if (conn != null) {//连接成功
if (conn != null) {// 连接成功
try {
resp = getJmxResult(conn,url);
resp = getJmxResult(conn, url);
} catch (Exception e) {
LOG.error("get jmx data error", e);
resp = DruidStatService.returnJSONResult(DruidStatService.RESULT_CODE_ERROR, "get data error:"+e.getMessage());
resp = DruidStatService.returnJSONResult(DruidStatService.RESULT_CODE_ERROR, "get data error:"
+ e.getMessage());
}
}
} else {//连接成功
} else {// 连接成功
try {
resp = getJmxResult(conn,url);
resp = getJmxResult(conn, url);
} catch (Exception e) {
LOG.error("get jmx data error", e);
resp = DruidStatService.returnJSONResult(DruidStatService.RESULT_CODE_ERROR, "get data error"+e.getMessage());
resp = DruidStatService.returnJSONResult(DruidStatService.RESULT_CODE_ERROR,
"get data error" + e.getMessage());
}
}
}
@@ -389,7 +390,7 @@ public class StatViewServlet extends HttpServlet {
if (bytes != null) {
response.getOutputStream().write(bytes);
}
return;
}