Java tutorial
/* * Copyright [2015] [wisemapping] * * Licensed under WiseMapping Public License, Version 1.0 (the "License"). * It is basically the Apache License, Version 2.0 (the "License") plus the * "powered by wisemapping" text requirement on every single page; * you may not use this file except in compliance with the License. * You may obtain a copy of the license at * * http://www.wisemapping.org/license * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package com.wisemapping.service; import com.wisemapping.dao.UserManager; import com.wisemapping.exceptions.WiseMappingException; import com.wisemapping.mail.NotificationService; import com.wisemapping.model.AccessAuditory; import com.wisemapping.model.AuthenticationType; import com.wisemapping.model.Collaborator; import com.wisemapping.model.Mindmap; import com.wisemapping.model.User; import org.apache.velocity.app.VelocityEngine; import org.jetbrains.annotations.NotNull; import org.jetbrains.annotations.Nullable; import org.springframework.context.MessageSource; import org.springframework.context.i18n.LocaleContextHolder; import org.springframework.ui.velocity.VelocityEngineUtils; import java.util.Calendar; import java.util.HashMap; import java.util.Locale; import java.util.Map; import java.util.UUID; public class UserServiceImpl implements UserService { private UserManager userManager; private MindmapService mindmapService; private NotificationService notificationService; private MessageSource messageSource; private VelocityEngine velocityEngine; @Override public void activateAccount(long code) throws InvalidActivationCodeException { final User user = userManager.getUserByActivationCode(code); if (user == null || user.isActive()) { throw new InvalidActivationCodeException("Invalid Activation Code"); } else { final Calendar now = Calendar.getInstance(); user.setActivationDate(now); userManager.updateUser(user); notificationService.activateAccount(user); } } @Override public void resetPassword(@NotNull String email) throws InvalidUserEmailException, InvalidAuthSchemaException { final User user = userManager.getUserBy(email); if (user != null) { if (user.getAuthenticationType() != AuthenticationType.DATABASE) { throw new InvalidAuthSchemaException( "Could not change password for " + user.getAuthenticationType().getCode()); } // Generate a random password ... final String password = randomstring(8, 10); user.setPassword(password); updateUser(user); // Send an email with the new temporal password ... notificationService.resetPassword(user, password); } else { throw new InvalidUserEmailException("The email '" + email + "' does not exists."); } } private String randomstring(int lo, int hi) { int n = rand(lo, hi); byte b[] = new byte[n]; for (int i = 0; i < n; i++) b[i] = (byte) rand('@', 'Z'); return new String(b); } private int rand(int lo, int hi) { java.util.Random rn = new java.util.Random(); int n = hi - lo + 1; int i = rn.nextInt() % n; if (i < 0) i = -i; return lo + i; } @Override public void removeUser(@NotNull User user) { // Force object reload before removing.... final User userBy = userManager.getUserBy(user.getEmail()); userManager.removeUser(userBy); } @Override public void auditLogin(@NotNull User user) { if (user == null) { throw new IllegalArgumentException("User can not be null"); } final AccessAuditory accessAuditory = new AccessAuditory(); accessAuditory.setUser(user); accessAuditory.setLoginDate(Calendar.getInstance()); userManager.auditLogin(accessAuditory); } @NotNull public User createUser(@NotNull User user, boolean emailConfirmEnabled, boolean welcomeEmail) throws WiseMappingException { final UUID uuid = UUID.randomUUID(); user.setCreationDate(Calendar.getInstance()); user.setActivationCode(uuid.getLeastSignificantBits()); if (emailConfirmEnabled) { user.setActivationDate(null); } else { user.setActivationDate(Calendar.getInstance()); } Collaborator col = userManager.getCollaboratorBy(user.getEmail()); if (col != null) { userManager.createUser(user, col); } else { userManager.createUser(user); } //create welcome map final Mindmap mindMap = buildTutorialMindmap(user.getFirstname()); mindmapService.addMindmap(mindMap, user); // Send registration email. if (emailConfirmEnabled) { notificationService.sendRegistrationEmail(user); } else if (welcomeEmail) { // Send a welcome email .. notificationService.newAccountCreated(user); } return user; } public Mindmap buildTutorialMindmap(@NotNull String firstName) { //To change body of created methods use File | Settings | File Templates. final Locale locale = LocaleContextHolder.getLocale(); Mindmap result = new Mindmap(); final Map<String, Object> model = new HashMap<String, Object>(); model.put("messages", messageSource); model.put("noArgs", new Object[] {}); model.put("locale", locale); final String mapXml = VelocityEngineUtils.mergeTemplateIntoString(velocityEngine, "/samples/tutorial.vm", model); result.setXmlStr(mapXml); result.setTitle(messageSource.getMessage("WELCOME", null, locale) + " " + firstName); result.setDescription(""); return result; } @Override public void changePassword(@NotNull User user) { notificationService.passwordChanged(user); userManager.updateUser(user); } @Override public User getUserBy(String email) { return userManager.getUserBy(email); } @Override @Nullable public User getUserBy(long id) { return userManager.getUserBy(id); } @Override public void updateUser(@NotNull User user) { userManager.updateUser(user); } public void setUserManager(@NotNull UserManager userManager) { this.userManager = userManager; } public void setMindmapService(@NotNull MindmapService mindmapService) { this.mindmapService = mindmapService; } public void setNotificationService(NotificationService notificationService) { this.notificationService = notificationService; } public void setMessageSource(@NotNull MessageSource messageSource) { this.messageSource = messageSource; } public void setVelocityEngine(VelocityEngine velocityEngine) { this.velocityEngine = velocityEngine; } @Override public User getCasUserBy(String uid) { // TODO Auto-generated method stub return null; } }