web服务器监控(二) 博客分类： java综合 SwingJava监控
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2024-03-17 12:25:16
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接上文,工具类源码
ConsoleUtil
package com.gary.util;
/**
* 控制台工具
* @author gary
*/
public class ConsoleUtil {
private static LimitQueue<String> queue = new LimitQueue<String>(35);
/**
* 获取控制台文本
* @return
*/
public static String get(){
StringBuilder sb = new StringBuilder();
for (String str : queue) {
sb.append(str);
sb.append("\n");
}
return sb.toString();
}
/**
* 输出到控制台
* @param str
*/
public static void write(String str){
queue.offer(TimeUtil.getCurrentTime() + ": " + str);
}
/**
* 清空控制台
*/
public static void clear(){
queue.clear();
}
}
LimitQueue
package com.gary.util;
import java.util.Collection;
import java.util.Iterator;
import java.util.LinkedList;
import java.util.Queue;
/**
* 固定长度队列
* @author gary
*
*/
public class LimitQueue<E> implements Queue<E> {
//队列长度
private int limit;
Queue<E> queue = new LinkedList<E>();
public LimitQueue(int limit) {
this.limit = limit;
}
/**
* 入队
* @param e
*/
@Override
public boolean offer(E e) {
if (queue.size() >= limit) {
//如果超出长度,入队时,先出队
queue.poll();
}
return queue.offer(e);
}
/**
* 出队
* @return
*/
@Override
public E poll() {
return queue.poll();
}
/**
* 获取队列
* @return
*/
public Queue<E> getQueue() {
return queue;
}
/**
* 获取限制大小
* @return
*/
public int getLimit() {
return limit;
}
@Override
public boolean add(E e) {
return queue.add(e);
}
@Override
public E element() {
return queue.element();
}
@Override
public E peek() {
return queue.peek();
}
@Override
public boolean isEmpty() {
return queue.size() == 0 ? true : false;
}
@Override
public int size() {
return queue.size();
}
@Override
public E remove() {
return queue.remove();
}
@Override
public boolean addAll(Collection<? extends E> c) {
return queue.addAll(c);
}
@Override
public void clear() {
queue.clear();
}
@Override
public boolean contains(Object o) {
return queue.contains(o);
}
@Override
public boolean containsAll(Collection<?> c) {
return queue.containsAll(c);
}
@Override
public Iterator<E> iterator() {
return queue.iterator();
}
@Override
public boolean remove(Object o) {
return queue.remove(o);
}
@Override
public boolean removeAll(Collection<?> c) {
return queue.removeAll(c);
}
@Override
public boolean retainAll(Collection<?> c) {
return queue.retainAll(c);
}
@Override
public Object[] toArray() {
return queue.toArray();
}
@Override
public <T> T[] toArray(T[] a) {
return queue.toArray(a);
}
}
MailAutherticator
package com.gary.util;
import javax.mail.Authenticator;
import javax.mail.PasswordAuthentication;
/**
* javamail身份验证
* @author gary
*/
public class MailAutherticator extends Authenticator {
private String userName;
private String password;
public String getUserName() {
return userName;
}
public void setUserName(String userName) {
this.userName = userName;
}
public String getPassword() {
return password;
}
public void setPassword(String password) {
this.password = password;
}
public MailAutherticator(String userName, String password) {
super();
this.userName = userName;
this.password = password;
}
@Override
public PasswordAuthentication getPasswordAuthentication() {
return new PasswordAuthentication(userName, password);
}
}
MailUtil
package com.gary.util;
import java.util.Date;
import java.util.Properties;
import javax.activation.DataHandler;
import javax.activation.FileDataSource;
import javax.mail.Authenticator;
import javax.mail.Multipart;
import javax.mail.internet.InternetAddress;
import javax.mail.internet.MimeBodyPart;
import javax.mail.internet.MimeMultipart;
import javax.mail.internet.MimeUtility;
/**
* 发送E-mail
* @author gary
* @version 1.0
*/
public class MailUtil {
private String smtp = null;
private String userName = null;
private String password = null;
public MailUtil(String smtp, String userName, String password) {
this.smtp = smtp;
this.userName = userName;
this.password = password;
}
/**
* 发送简单邮件
* @param subject
* @param from
* @param to
* @param content
* @throws Exception
*/
public void sendSimpleMail(String from, String[] to, String subject, String content) throws Exception {
sendMail(subject, from , to, content, null, "text/html;charset=utf-8");
}
/**
* 发送邮件
*
* @param subject
* 邮件主题
* @param from
* 邮件发送人
* "a@qq.com"
* @param to
* 邮件接收人(数组),可以有多个接收人即群发
* String sendTo[] = { "b@qq.com", "c@qq.com" };
* @param text
* 邮件内容
* @param fileNames
* 附件详细地址及重命名
* String fileNames[] = { "C:\\a.txt,a.txt", "C:\\b.txt,b.txt" };
* @param mimeType
* 文本类型,如："text/html;charset=utf-8"
* @throws Exception
*/
@SuppressWarnings("static-access")
public void sendMail(String subject, String from, String[] to, String text, String[] fileNames,
String mimeType) throws Exception {
//邮件会话对象
javax.mail.Session mailSession;
//MIME邮件对象
javax.mail.internet.MimeMessage mimeMsg;
//获得系统属性对象
Properties props = java.lang.System.getProperties();
//设置SMTP主机
props.put("mail.smtp.host", smtp);
//是否到服务器用户名和密码验证
props.put("mail.smtp.auth", "true");
//到服务器验证发送的用户名和密码是否正确
MailAutherticator myEmailAuther = new MailAutherticator(userName, password);
//设置邮件会话,将认证信息放进了Session的创建参数里
mailSession = javax.mail.Session.getInstance(props, (Authenticator) myEmailAuther);
//设置传输协议
javax.mail.Transport transport = mailSession.getTransport("smtp");
//设置from、to等信息
mimeMsg = new javax.mail.internet.MimeMessage(mailSession);
if (!(from == null || from.equals(""))) {
InternetAddress sentFrom = new InternetAddress(from);
//设置发送人地址
mimeMsg.setFrom(sentFrom);
}
InternetAddress[] sendTo = new InternetAddress[to.length];
for (int i = 0; i < to.length; i++) {
sendTo[i] = new InternetAddress(to[i]);
}
mimeMsg.setRecipients(javax.mail.internet.MimeMessage.RecipientType.TO, sendTo);
mimeMsg.setSubject(subject, "utf-8");
MimeBodyPart messageBodyPart1 = new MimeBodyPart();
messageBodyPart1.setContent(text, mimeType);
//附件传输格式
Multipart multipart = new MimeMultipart();
multipart.addBodyPart(messageBodyPart1);
if (fileNames != null) {
for (int i = 0; i < fileNames.length; i++) {
MimeBodyPart messageBodyPart2 = new MimeBodyPart();
//选择出每一个附件名
String fileName = fileNames[i].split(",")[0];
String displayName = fileNames[i].split(",")[1];
//得到数据源
FileDataSource fds = new FileDataSource(fileName);
//得到附件本身并至入BodyPart
messageBodyPart2.setDataHandler(new DataHandler(fds));
//得到文件名同样至入BodyPart
//messageBodyPart2.setFileName(displayname);
// messageBodyPart2.setFileName(fds.getName());
messageBodyPart2.setFileName(MimeUtility.encodeText(displayName));
multipart.addBodyPart(messageBodyPart2);
}
}
mimeMsg.setContent(multipart);
//设置信件头的发送日期
mimeMsg.setSentDate(new Date());
mimeMsg.saveChanges();
//发送邮件
transport.send(mimeMsg);
transport.close();
}
}
StringUtil
package com.gary.util;
/**
* 字符串工具
* @author gary
*/
public class StringUtil {
/**
* 不为空
* @param string
*/
public static boolean isNotBlank(String str) {
return !isBlank(str);
}
/**
* 为空
* @param string
*/
public static boolean isBlank(String str) {
int strLen;
if ((str == null) || ((strLen = str.length()) == 0)) {
return true;
}
for (int i = 0; i < strLen; ++i) {
if (!Character.isWhitespace(str.charAt(i))) {
return false;
}
}
return true;
}
}
SwingUtil
package com.gary.util;
import java.awt.Dimension;
import java.awt.Toolkit;
import javax.swing.JDialog;
/**
* Swing工具
* @author gary
*/
public class SwingUtil {
/**
* 居中显示Dialog
*/
public static void show(JDialog jd) {
Dimension screenSize = Toolkit.getDefaultToolkit().getScreenSize();
Dimension frameSize = jd.getSize();
if (frameSize.height > screenSize.height) {
frameSize.height = screenSize.height;
}
if (frameSize.width > screenSize.width) {
frameSize.width = screenSize.width;
}
jd.setLocation((screenSize.width - frameSize.width) / 2,
(screenSize.height - frameSize.height) / 2);
jd.setModal(true);
jd.setVisible(true);
}
}
TimeUtil
package com.gary.util;
import java.util.Calendar;
/**
* 时间工具
* @author gary
*
*/
public class TimeUtil {
/**
* 获取当前时间
* @return
*/
public static String getCurrentTime(){
return new java.sql.Timestamp(new java.util.Date().getTime()).toString();
}
/**
* 返回星期几
* @author gary
* @return
* 1-星期日
* 2-星期一
* 3-星期二
* 4-星期三
* 5-星期四
* 6-星期五
* 7-星期六
*/
public static int getDayOfWeek(){
Calendar cal = Calendar.getInstance();
return cal.get(Calendar.DAY_OF_WEEK);
}
}
URLUtil
package com.gary.util;
import java.io.IOException;
import java.net.MalformedURLException;
import java.net.URL;
import java.net.URLConnection;
/**
* URL工具
* @author gary
*
*/
public class URLUtil {
/**
* 连接
* @param urlString
* @throws MalformedURLException
* @throws IOException
*/
public void connect(String urlString) throws MalformedURLException, IOException {
URL url = new URL(urlString);
URLConnection c = url.openConnection();
c.connect();
}
}