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/**
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* Copyright (C) 2015 EDIT
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* European Distributed Institute of Taxonomy
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* http://www.e-taxonomy.eu
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*
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* The contents of this file are subject to the Mozilla Public License Version 1.1
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* See LICENSE.TXT at the top of this package for the full license terms.
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*/
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package eu.etaxonomy.cdm.api.service;
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import java.io.Serializable;
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import java.util.UUID;
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import org.springframework.beans.factory.annotation.Autowired;
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import org.springframework.security.core.context.SecurityContextHolder;
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import org.springframework.stereotype.Service;
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import eu.etaxonomy.cdm.common.monitor.IRemotingProgressMonitor;
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import eu.etaxonomy.cdm.common.monitor.IRestServiceProgressMonitor;
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import eu.etaxonomy.cdm.common.monitor.RemotingProgressMonitor;
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import eu.etaxonomy.cdm.common.monitor.RemotingProgressMonitorThread;
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import eu.etaxonomy.cdm.model.common.User;
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import eu.etaxonomy.cdm.persistence.hibernate.permission.ICdmPermissionEvaluator;
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import eu.etaxonomy.cdm.persistence.hibernate.permission.Role;
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/**
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* @author cmathew
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* @since 14 Oct 2015
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*
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*/
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@Service
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public class ProgressMonitorServiceImpl implements IProgressMonitorService {
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@Autowired
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public ProgressMonitorManager<IRestServiceProgressMonitor> progressMonitorManager;
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@Autowired
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public ICdmPermissionEvaluator permissionEvaluator;
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/**
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* {@inheritDoc}
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*/
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@Override
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public UUID registerNewRemotingMonitor(RemotingProgressMonitorThread monitorThread) {
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RemotingProgressMonitor monitor = new RemotingProgressMonitor(monitorThread);
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monitorThread.setMonitor(monitor);
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UUID uuid = progressMonitorManager.registerMonitor(monitor, monitorThread);
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User user = User.getCurrentAuthenticatedUser();
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if(user == null) {
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throw new IllegalStateException("Current authenticated user is null");
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}
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monitor.setOwner(user.getUsername());
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return uuid;
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}
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/**
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* {@inheritDoc}
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*/
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@Override
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public IRemotingProgressMonitor getRemotingMonitor(UUID uuid) {
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try{
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IRestServiceProgressMonitor monitor = progressMonitorManager.getMonitor(uuid);
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// lookup remoting monitors
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if(monitor != null && monitor instanceof IRemotingProgressMonitor ) {
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IRemotingProgressMonitor remotingMonitor = (IRemotingProgressMonitor)monitor;
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String monitorOwner = remotingMonitor.getOwner();
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User currentUser = User.getCurrentAuthenticatedUser();
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// ensure that current user is admin or is the same as the owner of
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// the monitor
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if(currentUser != null &&
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(currentUser.getUsername().equals(monitorOwner) ||
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permissionEvaluator.hasOneOfRoles(SecurityContextHolder.getContext().getAuthentication(), Role.ROLE_ADMIN))) {
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return remotingMonitor;
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}
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}
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}catch (Exception e){
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return null;
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}
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return null;
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}
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/**
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* {@inheritDoc}
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*/
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@Override
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public void interrupt(UUID uuid) {
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IRemotingProgressMonitor remotingMonitor = getRemotingMonitor(uuid);
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if(remotingMonitor!= null) {
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remotingMonitor.interrupt();
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progressMonitorManager.getThread(uuid).interrupt();
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}
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}
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/**
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* {@inheritDoc}
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*/
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@Override
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public boolean isMonitorThreadRunning(UUID uuid) {
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IRemotingProgressMonitor remotingMonitor = getRemotingMonitor(uuid);
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if(remotingMonitor != null) {
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return remotingMonitor.isMonitorThreadRunning();
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}
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return false;
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}
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/**
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* {@inheritDoc}
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*/
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@Override
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public void cancel(UUID uuid) {
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IRestServiceProgressMonitor monitor = progressMonitorManager.getMonitor(uuid);
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if(monitor != null) {
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monitor.setCanceled(true);
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monitor.done();
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}
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}
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/**
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* {@inheritDoc}
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*/
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@Override
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public void setFeedback(UUID uuid, Serializable feedback) {
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IRemotingProgressMonitor remotingMonitor = getRemotingMonitor(uuid);
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if(remotingMonitor != null) {
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remotingMonitor.setFeedback(feedback);
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}
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}
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}
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