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[JAVA] FilenameFilter 를 이용한 특정 확장자 파일리스트 가져오기

하위디렉토리 폴더와 파일 읽기

import java.io.*; 

import java.util.ArrayList;

import java.util.Collections; 

public class folderInReader {

    private static ArrayList<String> list = new ArrayList<String>(); 

public static void main(String[] args) throws IOException {

        String message = null;

        String filePath = ".";

        File path = new File( filePath );

        if( path.exists() == false ){

            System.out.println("경로가 존재하지 않습니다");

        }

        File[] fileList = path.listFiles();

        int tab = 1;

        for( int i = 0 ; i < fileList.length ; i++ ){

            if( fileList[ i ].isDirectory() ){

                message = "[디렉토리] ";

                message += fileList[ i ].getName();

                System.out.println( message );

                subDirList(  fileList[ i ].getName(), tab);

                Collections.reverse(list); 

                for(String str:list) {

                System.out.println(str);

                }

                list.clear();

            }else{

                message = "[파일] ";

                message += fileList[ i ].getName();

                System.out.println( message );

            }

        }

    } 

private static void subDirList(String source, int tab){

File dir = new File(source); 

File[] fileList = dir.listFiles(); 

String sTab = "";

for ( int i =0 ; i < tab ; i++){

sTab +="\t";

}

try{

for(int i = 0 ; i < fileList.length ; i++){

File file = fileList[i]; 

if(file.isFile()){

    // 파일이 있다면 파일 이름 출력

if( i==0 ){

//System.out.println("[디렉토리 이름] = " + dir.getPath()   );

list.add("[디렉토리 이름1] = " + dir.getPath() ) ;

}

//System.out.println(sTab + " 파일 이름 = " + file.getName());

list.add(sTab + " 파일 이름 = " + file.getName() );

}else if(file.isDirectory()){ 

    // 서브디렉토리가 존재하면 재귀적 방법으로 다시 탐색

subDirList(file.getCanonicalPath().toString(),tab+1);

list.add("[디렉토리 이름2] = " + dir.getPath() );

//System.out.println("[디렉토리 이름] = " + dir.getPath()   );

}

}

}catch(IOException e){

}

}

}

[펌] http://cs.dvc.edu/HowTo_ReadJars.html

실행방법 : java JarRead JA파일명  경로/../읽을파일명   

예) java JarRead jersey-server-2.2.jar org/glassfis

h/jersey/server/wadl/processor/WadlModelProcessor.class

import java.io.*;

import java.util.jar.*;

public class JarRead 

{

  public static void main (String args[]) throws IOException 

  {

 System.out.println ("args.length=" + args.length );

    if (args.length != 2) 

    {

      System.out.println("Please provide a JAR filename and file to read");

      System.exit(-1);

    }

    JarFile jarFile = new JarFile(args[0]);

    JarEntry entry = jarFile.getJarEntry(args[1]);

    InputStream input = jarFile.getInputStream(entry);

    process(input);

  }

  private static void process(InputStream input) throws IOException 

  {

    InputStreamReader isr = new InputStreamReader(input);

    BufferedReader reader = new BufferedReader(isr);

    String line;

    while ((line = reader.readLine()) != null)

      System.out.println(line);

    reader.close();

  }

}

출처 - http://http://www.vogella.com/tutorials/JAXB/article.html

Book.java

BookMain.java

Bookstore.java

[오류] com.ibatis.common.jdbc.exception.NestedSQLException
[해결] 쿼리 안에 -- #파라미터#  를 주석으로 처리했을 경우 발생할 수 있음

 
[오류]tms.rsf.client.RESTClient.createUri(RESTClient.java)
[해결]호출 URI에 공백이 있거나 잘못 되었을 경우, URI 확인하자

[오류] java.lang.NoClassDefFoundError: javax/mail/Address 
 mail.jar download: http://www.oracle.com/technetwork/java/index-138643.html
 activation.jar download: http://java.sun.com/products/archive/javabeans/jaf102.html

 mail.jar 톰캣의 lib 폴더에 넣고 서버 다시실행하면된다
 

[오류] java.lang.NoClassDefFoundError: org/springframework/web/util/Log4jConfigListener
[해결]
  1. ?? 이클립스 Project explorer에서 프로젝트 refresh 하고
  2. 이클립스 다시 실행
  3. jboss 재시작하면 없어짐 
 주의)  로그파일 Log4jConfigListener error 위에 다른 오류 있을 수 있음

[오류]-[JSTL] The method setText(boolean) in the type IfTag 오류 
출처 - http://pwu-developer.blogspot.kr/2009/11/jstl-test-condition-and-trailing-spaces.html
원인 : <c:if test="${not empty sp.mouse.strain}         "> 의 공백
해결 : <c:if test="${not empty sp.mouse.strain}"> 공백 없앰으로 오류해결
 

import java.io.BufferedReader;
import java.io.IOException;
import java.io.PrintWriter;
import java.net.Socket;
import java.io.InputStreamReader;
import java.text.SimpleDateFormat;
import java.util.Date;

class SocketMailTest
{
    public static void main(String[] args)
    {
        Socket socket = null;
        System.setProperty("line.separator", "\r\n");

        try {

            socket = new Socket("서버IP",서버PORT);  

            String forward = "jungws55@nate.com";        
            String reverse = "jungws55@naver.com";          
            String replyto = reverse;                    
            String subject = "Hello World";              

          
            String content = "<html><body><h2>Hello World</h2> </body></html>";

            BufferedReader rd = new BufferedReader(new InputStreamReader(socket.getInputStream()));
            PrintWriter pw = new PrintWriter(socket.getOutputStream(),true);

            sendAndReceive(null, rd, pw);
            sendAndReceive("HELO mtarget.cn", rd, pw);
            sendAndReceive("MAIL FROM:<" + reverse + ">", rd, pw);
            sendAndReceive("RCPT TO:<" + forward + ">", rd, pw);
            sendAndReceive("DATA", rd, pw);

            pw.println("Subject:" + subject);
            pw.println("From:<"+ reverse +">");
            pw.println("To:<"+ forward +">");
            pw.println("Reply-To:<"+ replyto +">");
            pw.println("Date:" + (new Date()));
            pw.println("Mime-Version: 1.0;");
            pw.println("Content-Type: text/html;");
            pw.println("charset=\"utf-8\";");
            pw.println();
            pw.println();
            pw.println(content);
            pw.flush();

            sendAndReceive(".", rd, pw);
            sendAndReceive("QUIT", rd, pw);

        } catch (Exception e) {

        }

        if (socket != null) {

            try {
                socket.close();
            }
            catch (IOException e) {
                e.printStackTrace();
            }
        }
    }

    private static void sendAndReceive(String text, BufferedReader br, PrintWriter pw)  throws IOException {

            if (text != null) {
                System.out.println("Client> " + text);
                pw.println(text);
                pw.flush();
            }

            String response;
            if ((response = br.readLine()) != null) {
                System.out.println("Server> " + response);
            }
    }
}

인증없이 전송 샘플 : http://blog.daum.net/_blog/BlogTypeView.do?blogid=0fK9x&articleno=618

전송 샘플 : http://kodejava.org/how-do-i-send-an-email-with-attachment/

                http://blog.naver.com/PostView.nhn?blogId=hmleena&logNo=63968842

윈도우7 SMTP 설치 : http://blog.naver.com/PostView.nhn?blogId=livingsens&logNo=40186294416&redirect=Dlog&widgetTypeCall=true

import java.io.UnsupportedEncodingException;
import java.util.Properties;

import javax.mail.Authenticator;
import javax.mail.Message;
import javax.mail.MessagingException;
import javax.mail.PasswordAuthentication;
import javax.mail.Session;
import javax.mail.Transport;
import javax.mail.internet.InternetAddress;
import javax.mail.internet.MimeMessage; 
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

public class SimpleMailTest {
    public static void main(String[] args) {    
        try {
            Properties props = new Properties();
            //props.put("mail.transport.protocol", "smtp");
            props.put("mail.smtp.host", "서버IP");
            props.put("mail.smtp.port", "서버PORT");      
            props.put("mail.smtp.auth", "false"); 
            //props.put("mail.smtp.starttls.enable","true");
            Authenticator authenticator = new Authenticator()
            {
            protected PasswordAuthentication getPasswordAuthentication()
            {
                return new PasswordAuthentication(null,null);
              }
            };
            //props.put("mail.smtp.auth", "true"); 
            //props.put("mail.smtp.starttls.enable", "false");   
            System.out.println( "2" );
            Session session = Session.getInstance(props) ;
            //Session session = Session.getDefaultInstance(props) ;
            System.out.println("2");
           
           
            InternetAddress fromAddress = new InternetAddress("jungws55@daum.net");
            InternetAddress toAddress   = new InternetAddress("jungws55@nate.com");
           

            MimeMessage message = new MimeMessage(session);
            message.setFrom(fromAddress);
            message.addRecipient(Message.RecipientType.TO, toAddress );
            message.setSubject("제목");
            message.setContent("내용"," text/html; charset=KSC5601");
            Transport.send(message);
            System.out.println("[{}] 메일 발송 성공 jungws55@nate.com");

         } catch (MessagingException e) {
             System.out.println(e);
         }

     }
}

출처 - http://mysnyc.tistory.com/42

샘플 코드는 맨 아래 있음 (Demo)

http://isagoksu.com/2009/development/java/creating-custom-annotations-and-making-use-of-them/

1. 

자세한설명 : http://rockdrumy.tistory.com/214

날짜 형식 2013-10-25 13:15:14.0

str.replaceAll("\\.0","")