Java tutorial
/* * #%L * Alfresco Repository * %% * Copyright (C) 2005 - 2016 Alfresco Software Limited * %% * This file is part of the Alfresco software. * If the software was purchased under a paid Alfresco license, the terms of * the paid license agreement will prevail. Otherwise, the software is * provided under the following open source license terms: * * Alfresco is free software: you can redistribute it and/or modify * it under the terms of the GNU Lesser General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * Alfresco is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public License * along with Alfresco. If not, see <http://www.gnu.org/licenses/>. * #L% */ package org.alfresco.repo.imap; import java.io.BufferedInputStream; import java.io.FilterInputStream; import java.util.Properties; import javax.mail.Address; import javax.mail.BodyPart; import javax.mail.Folder; import javax.mail.Message; import javax.mail.MessagingException; import javax.mail.NoSuchProviderException; import javax.mail.Part; import javax.mail.Session; import javax.mail.Store; import javax.mail.internet.MimeMultipart; import junit.framework.TestCase; import org.apache.commons.logging.Log; import org.apache.commons.logging.LogFactory; import com.sun.mail.util.BASE64DecoderStream; public class RemoteLoadTester extends TestCase { private Log logger = LogFactory.getLog(RemoteLoadTester.class); private static final String USER_NAME = "test_imap_user"; private static final String USER_PASSWORD = "test_imap_user"; private static final String TEST_FOLDER_NAME = "test_imap1000"; private static final String ADMIN_USER_NAME = "admin"; private static String REMOTE_HOST = "127.0.0.1"; public static void main(String[] args) { if (args.length > 0) REMOTE_HOST = args[0]; new RemoteLoadTester().testListSequence(); } @Override public void setUp() throws Exception { } public void tearDown() throws Exception { } public void testListSequence() { System.out.println(String.format("Connecting to remote server '%s'", REMOTE_HOST)); Properties props = System.getProperties(); props.setProperty("mail.imap.partialfetch", "false"); Session session = Session.getDefaultInstance(props, null); Store store = null; long startTime = 0; long endTime = 0; try { store = session.getStore("imap"); store.connect(REMOTE_HOST, ADMIN_USER_NAME, ADMIN_USER_NAME); Folder[] folders = null; startTime = System.currentTimeMillis(); folders = store.getDefaultFolder().list(""); endTime = System.currentTimeMillis(); System.out.println(String.format("LIST '', folders.length = %d, execTime = %d sec", folders.length, (endTime - startTime) / 1000)); startTime = System.currentTimeMillis(); folders = store.getDefaultFolder().list("*"); endTime = System.currentTimeMillis(); System.out.println(String.format("LIST *, folders.length = %d, execTime = %d sec", folders.length, (endTime - startTime) / 1000)); startTime = System.currentTimeMillis(); folders = store.getDefaultFolder().listSubscribed("*"); endTime = System.currentTimeMillis(); System.out.println(String.format("LSUB *, folders.length = %d, execTime = %d sec", folders.length, (endTime - startTime) / 1000)); startTime = System.currentTimeMillis(); for (Folder folder : folders) { folder.getMessageCount(); //Folder f = store.getFolder(folder.getFullName()); } endTime = System.currentTimeMillis(); System.out.println(String.format("Folders Loop, folders.length = %d, execTime = %d sec", folders.length, (endTime - startTime) / 1000)); } catch (NoSuchProviderException e) { e.printStackTrace(); } catch (MessagingException e) { e.printStackTrace(); } finally { try { store.close(); } catch (MessagingException e) { System.err.println(e.getMessage()); } } } public void testMailbox() { logger.info("Getting folder..."); long t = System.currentTimeMillis(); // Create empty properties Properties props = new Properties(); props.setProperty("mail.imap.partialfetch", "false"); // Get session Session session = Session.getDefaultInstance(props, null); Store store = null; Folder folder = null; try { // Get the store store = session.getStore("imap"); store.connect(REMOTE_HOST, USER_NAME, USER_PASSWORD); // Get folder folder = store.getFolder(TEST_FOLDER_NAME); folder.open(Folder.READ_ONLY); // Get directory Message message[] = folder.getMessages(); for (int i = 0, n = message.length; i < n; i++) { message[i].getAllHeaders(); Address[] from = message[i].getFrom(); System.out.print(i + ": "); if (from != null) { System.out.print(message[i].getFrom()[0] + "\t"); } System.out.println(message[i].getSubject()); Object content = message[i].getContent(); if (content instanceof MimeMultipart) { for (int j = 0, m = ((MimeMultipart) content).getCount(); j < m; j++) { BodyPart part = ((MimeMultipart) content).getBodyPart(j); Object partContent = part.getContent(); if (partContent instanceof String) { String body = (String) partContent; } else if (partContent instanceof FilterInputStream) { FilterInputStream fis = (FilterInputStream) partContent; BufferedInputStream bis = new BufferedInputStream(fis); /* while (bis.available() > 0) { bis.read(); }*/ byte[] bytes = new byte[524288]; while (bis.read(bytes) != -1) { } bis.close(); fis.close(); } } } int nn = 0; } t = System.currentTimeMillis() - t; logger.info("Time: " + t + " ms (" + t / 1000 + " s)"); logger.info("Length: " + message.length); } catch (Exception e) { logger.error(e.getMessage(), e); fail(e.getMessage()); } finally { // Close connection try { if (folder != null) { folder.close(false); } } catch (MessagingException e) { logger.error(e.getMessage(), e); fail(e.getMessage()); } try { if (store != null) { store.close(); } } catch (MessagingException e) { logger.error(e.getMessage(), e); fail(e.getMessage()); } } } }