Java tutorial
/** * Abiquo community edition * cloud management application for hybrid clouds * Copyright (C) 2008-2010 - Abiquo Holdings S.L. * * This application 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 under * version 3 of the License * * This software 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 v.3 for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the * Free Software Foundation, Inc., 59 Temple Place - Suite 330, * Boston, MA 02111-1307, USA. */ package com.abiquo.abiserver.commands.impl; import java.util.ArrayList; import org.hibernate.Session; import org.hibernate.Transaction; import com.abiquo.abiserver.business.hibernate.pojohb.user.EnterpriseHB; import com.abiquo.abiserver.commands.BasicCommand; import com.abiquo.abiserver.commands.UserCommand; import com.abiquo.abiserver.commands.stub.APIStubFactory; import com.abiquo.abiserver.commands.stub.EnterprisesResourceStub; import com.abiquo.abiserver.commands.stub.UsersResourceStub; import com.abiquo.abiserver.commands.stub.impl.EnterprisesResourceStubImpl; import com.abiquo.abiserver.commands.stub.impl.UsersResourceStubImpl; import com.abiquo.abiserver.persistence.hibernate.HibernateUtil; import com.abiquo.abiserver.pojo.authentication.UserSession; import com.abiquo.abiserver.pojo.result.BasicResult; import com.abiquo.abiserver.pojo.result.DataResult; import com.abiquo.abiserver.pojo.result.ListRequest; import com.abiquo.abiserver.pojo.user.Enterprise; import com.abiquo.abiserver.pojo.user.EnterpriseListResult; import com.abiquo.abiserver.pojo.user.PrivilegeListResult; import com.abiquo.abiserver.pojo.user.Role; import com.abiquo.abiserver.pojo.user.RoleListResult; import com.abiquo.abiserver.pojo.user.User; import com.abiquo.abiserver.pojo.user.UserListOptions; import com.abiquo.abiserver.pojo.user.UserListResult; import com.abiquo.abiserver.scheduler.limit.exception.HardLimitExceededException; import com.abiquo.tracer.ComponentType; import com.abiquo.tracer.EventType; import com.abiquo.tracer.SeverityType; /** * This command collects all actions related to users management * * @author Oliver */ public class UserCommandImpl extends BasicCommand implements UserCommand { /* * (non-Javadoc) * @see * com.abiquo.abiserver.commands.UserCommand#getUsers(com.abiquo.abiserver.pojo.authentication * .UserSession, com.abiquo.abiserver.pojo.user.UserListOptions) */ @Override public DataResult<UserListResult> getUsers(final UserSession userSession, final UserListOptions userListOptions) { UsersResourceStub proxy = APIStubFactory.getInstance(userSession, new UsersResourceStubImpl(), UsersResourceStub.class); return proxy.getUsers(userListOptions); } /* * (non-Javadoc) * @see * com.abiquo.abiserver.commands.UserCommand#getUser(com.abiquo.abiserver.pojo.authentication * .UserSession, java.lang.Integer) */ @Override public DataResult<User> getUser(final UserSession userSession, final Integer idUser) { UsersResourceStub proxy = APIStubFactory.getInstance(userSession, new UsersResourceStubImpl(), UsersResourceStub.class); return proxy.getUser(idUser); } /* * (non-Javadoc) * @see * com.abiquo.abiserver.commands.UserCommand#createUser(com.abiquo.abiserver.pojo.authentication * .UserSession, com.abiquo.abiserver.pojo.user.User) */ @Override public DataResult<User> createUser(final UserSession userSession, final User user) { DataResult<User> dataResult = null; UsersResourceStub proxy = APIStubFactory.getInstance(userSession, new UsersResourceStubImpl(), UsersResourceStub.class); dataResult = proxy.createUser(user); if (dataResult.getSuccess()) { dataResult.setMessage(resourceManager.getMessage("createUser.success")); } return dataResult; } /* * (non-Javadoc) * @see * com.abiquo.abiserver.commands.UserCommand#editUser(com.abiquo.abiserver.pojo.authentication * .UserSession, java.util.ArrayList) */ @Override public BasicResult editUser(final UserSession userSession, final ArrayList<User> users) { BasicResult basicResult = new BasicResult(); UsersResourceStub proxy = APIStubFactory.getInstance(userSession, new UsersResourceStubImpl(), UsersResourceStub.class); for (User user : users) { basicResult = proxy.updateUser(user); if (basicResult.getSuccess()) { basicResult.setMessage(resourceManager.getMessage("editUser.success")); } else { break; } } return basicResult; } /* * (non-Javadoc) * @see * com.abiquo.abiserver.commands.UserCommand#deleteUser(com.abiquo.abiserver.pojo.authentication * .UserSession, com.abiquo.abiserver.pojo.user.User) */ @Override public BasicResult deleteUser(final UserSession userSession, final User user) { BasicResult basicResult = new BasicResult(); UsersResourceStub proxy = APIStubFactory.getInstance(userSession, new UsersResourceStubImpl(), UsersResourceStub.class); basicResult = proxy.deleteUser(user); if (basicResult.getSuccess()) { basicResult.setMessage(resourceManager.getMessage("deleteUser.success")); } else { traceLog(SeverityType.CRITICAL, ComponentType.USER, EventType.USER_DELETE, userSession, null, null, basicResult.getMessage(), null, null, null, user.getUser(), user.getEnterprise().getName()); } return basicResult; } /* * (non-Javadoc) * @seecom.abiquo.abiserver.commands.UserCommand#closeSessionUsers(com.abiquo.abiserver.pojo. * authentication.UserSession, java.util.ArrayList) */ @Override public BasicResult closeSessionUsers(final UserSession userSession, final ArrayList<User> users) { BasicResult basicResult = new BasicResult(); Session session = null; Transaction transaction = null; try { session = HibernateUtil.getSession(); transaction = session.beginTransaction(); // Generating the list of users for the query if (users.size() > 0) { String userNames = "("; User user; for (int i = 0; i < users.size(); i++) { user = users.get(i); if (i > 0) { userNames = userNames + "," + "'" + user.getUser() + "'"; } else { userNames = userNames + "'" + user.getUser() + "'"; } } userNames = userNames + ")"; // TODO use an HQL query instead of an SQL query session.createSQLQuery("DELETE FROM session WHERE user IN " + userNames).executeUpdate(); } transaction.commit(); // Generating result basicResult.setSuccess(true); basicResult.setMessage(resourceManager.getMessage("closeSessionUsers.success")); } catch (Exception e) { if (transaction != null && transaction.isActive()) { transaction.rollback(); } // Generating error errorManager.reportError(resourceManager, basicResult, "closeSessionUsers", e); } return basicResult; } /* * (non-Javadoc) * @seecom.abiquo.abiserver.commands.UserCommand#closeSessionUsers(com.abiquo.abiserver.pojo. * authentication.UserSession) */ @Override public BasicResult closeSessionUsers(final UserSession userSession) { BasicResult basicResult = new BasicResult(); Session session = null; Transaction transaction = null; try { session = HibernateUtil.getSession(); transaction = session.beginTransaction(); // Generating a custom query to delete all sessions, except userSession String hqlDelete = "delete UserSession uS where uS.user != :notUser and uS.key != :notKey"; session.createQuery(hqlDelete).setString("notUser", userSession.getUser()) .setString("notKey", userSession.getKey()).executeUpdate(); transaction.commit(); // Generating result basicResult.setSuccess(true); basicResult.setMessage(resourceManager.getMessage("closeSessionUsers.success")); } catch (Exception e) { if (transaction != null && transaction.isActive()) { transaction.rollback(); } // Generating error errorManager.reportError(resourceManager, basicResult, "closeSessionUsers", e); } return basicResult; } // /////////////////////////////////////// // ENTERPRISES /* * (non-Javadoc) * @see * com.abiquo.abiserver.commands.UserCommand#getEnterprises(com.abiquo.abiserver.pojo.authentication * .UserSession, com.abiquo.abiserver.pojo.result.ListRequest) */ @Override public DataResult<EnterpriseListResult> getEnterprises(final UserSession userSession, final ListRequest enterpriseListOptions) { EnterprisesResourceStub proxy = getEnterpriseStubProxy(userSession); DataResult<EnterpriseListResult> dataResult = proxy.getEnterprises(enterpriseListOptions); if (dataResult.getSuccess()) { dataResult.setMessage(resourceManager.getMessage("getEnterprises.success")); } return dataResult; } /* * (non-Javadoc) * @seecom.abiquo.abiserver.commands.UserCommand#createEnterprise(com.abiquo.abiserver.pojo. * authentication.UserSession, com.abiquo.abiserver.pojo.user.Enterprise) */ @Override public DataResult<Enterprise> createEnterprise(final UserSession userSession, final Enterprise enterprise) { EnterprisesResourceStub proxy = getEnterpriseStubProxy(userSession); DataResult<Enterprise> dataResult = proxy.createEnterprise(enterprise); // if (dataResult.getSuccess()) // { // traceLog(SeverityType.INFO, ComponentType.ENTERPRISE, EventType.ENTERPRISE_CREATE, // userSession, null, null, "Enterprise '" + enterprise.getName() // + "' has been created", null, null, null, null, enterprise.getName()); // } return dataResult; } protected EnterprisesResourceStub getEnterpriseStubProxy(final UserSession userSession) { EnterprisesResourceStub proxy = APIStubFactory.getInstance(userSession, new EnterprisesResourceStubImpl(), EnterprisesResourceStub.class); return proxy; } /* * (non-Javadoc) * @see * com.abiquo.abiserver.commands.UserCommand#editEnterprise(com.abiquo.abiserver.pojo.authentication * .UserSession, com.abiquo.abiserver.pojo.user.Enterprise) */ @Override @SuppressWarnings("unchecked") public BasicResult editEnterprise(final UserSession userSession, final Enterprise enterprise) { // Getting the enterprise that will be edited Session session = HibernateUtil.getSession(); Transaction transaction = session.beginTransaction(); EnterpriseHB enterpriseHB = (EnterpriseHB) session.get(EnterpriseHB.class, enterprise.getId()); // Checked in API // try // { // checkEditLimits(enterpriseHB, enterprise, userSession); // } // catch (HardLimitExceededException e) // { // BasicResult basicResult = new BasicResult(); // basicResult.setSuccess(false); // basicResult.setMessage(resourceManager.getMessage("editEnterprise.limitExceeded")); // // return basicResult; // // } // finally // { // transaction.commit(); // } EnterprisesResourceStub proxy = getEnterpriseStubProxy(userSession); DataResult<Enterprise> result = new DataResult<Enterprise>(); result = proxy.editEnterprise(enterprise); if (result.getSuccess()) { // Building result result.setSuccess(true); result.setMessage(resourceManager.getMessage("editEnterprise.success")); // Log the event // traceLog(SeverityType.INFO, ComponentType.ENTERPRISE, EventType.ENTERPRISE_MODIFY, // userSession, null, null, "Enterprise '" + enterprise.getName() // + "' has been modified [Name: " + enterprise.getName() + "]", null, null, null, // null, enterprise.getName()); } else { // result.setSuccess(false); // result.setMessage(resourceManager.getMessage("editEnterprise.limitExceeded")); // // errorManager.reportError(resourceManager, result, "editEnterprise", // result.getMessage()); traceLog(SeverityType.CRITICAL, ComponentType.ENTERPRISE, EventType.ENTERPRISE_MODIFY, userSession, null, null, result.getMessage(), null, null, null, null, enterprise.getName()); } return result; } protected void checkEditLimits(final EnterpriseHB currentEnterprise, final Enterprise newEnterprise, final UserSession userSession) throws HardLimitExceededException { // community impl (no limits at all) } /* * (non-Javadoc) * @seecom.abiquo.abiserver.commands.UserCommand#deleteEnterprise(com.abiquo.abiserver.pojo. * authentication.UserSession, com.abiquo.abiserver.pojo.user.Enterprise) */ @Override public BasicResult deleteEnterprise(final UserSession userSession, final Enterprise enterprise) { EnterprisesResourceStub proxy = getEnterpriseStubProxy(userSession); BasicResult result = proxy.deleteEnterprise(enterprise.getId()); if (result.getSuccess()) { result.setMessage(resourceManager.getMessage("deleteEnterprise.success")); // traceLog(SeverityType.INFO, ComponentType.ENTERPRISE, EventType.ENTERPRISE_DELETE, // userSession, null, null, null, null, null, null, null, enterprise.getName()); } else { traceLog(SeverityType.CRITICAL, ComponentType.ENTERPRISE, EventType.ENTERPRISE_DELETE, userSession, null, null, result.getMessage(), null, null, null, null, enterprise.getName()); } return result; } @Override public DataResult<Enterprise> getEnterprise(final UserSession userSession, final Integer enterpriseId) { EnterprisesResourceStub proxy = getEnterpriseStubProxy(userSession); DataResult<Enterprise> dataResult = proxy.getEnterprise(enterpriseId); return dataResult; } @Override public DataResult<Role> getRole(final UserSession userSession, final Integer roleId) { UsersResourceStub proxy = APIStubFactory.getInstance(userSession, new UsersResourceStubImpl(), UsersResourceStub.class); DataResult<Role> dataResult = proxy.getRole(roleId); return dataResult; } @Override public DataResult<RoleListResult> getRoles(final UserSession userSession, final ListRequest roleListOptions, final Enterprise enterprise) { UsersResourceStub proxy = APIStubFactory.getInstance(userSession, new UsersResourceStubImpl(), UsersResourceStub.class); return proxy.getRoles(roleListOptions, enterprise); } @Override public DataResult<PrivilegeListResult> getPrivilegesByRole(final UserSession userSession, final int roleId) { UsersResourceStub proxy = APIStubFactory.getInstance(userSession, new UsersResourceStubImpl(), UsersResourceStub.class); return proxy.getPrivilegesByRole(roleId); } /* * (non-Javadoc) * @see * com.abiquo.abiserver.commands.com.abiquo.abiserver.commands.UserCommandPremium#checkRolePrivilege * (com.abiquo.abiserver.pojo.authentication.UserSession, java.lang.Integer, java.lang.String) */ @Override public BasicResult checkRolePrivilege(final UserSession userSession, final Integer idRole, final String namePrivilege) { BasicResult basicResult = new BasicResult(); UsersResourceStub proxy = APIStubFactory.getInstance(userSession, new UsersResourceStubImpl(), UsersResourceStub.class); basicResult = proxy.checkRolePrivilege(idRole, namePrivilege); if (basicResult.getSuccess()) { basicResult.setMessage(resourceManager.getMessage("checkRolePrivilege.success")); } return basicResult; } @Override public BasicResult checkRoleAccess(final UserSession userSession, final Integer idRole) { BasicResult basicResult = new BasicResult(); UsersResourceStub proxy = APIStubFactory.getInstance(userSession, new UsersResourceStubImpl(), UsersResourceStub.class); basicResult = proxy.checkRoleAccess(idRole); if (basicResult.getSuccess()) { basicResult.setMessage(resourceManager.getMessage("checkRoleAccess.success")); } return basicResult; } }