/* Copyright 2004-2014 Jim Voris
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* 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.qumasoft.qvcslib;
import com.qumasoft.qvcslib.response.ServerResponseListProjectUsers;
import com.qumasoft.qvcslib.response.ServerResponseListProjects;
import com.qumasoft.qvcslib.response.ServerResponseListRoleNames;
import com.qumasoft.qvcslib.response.ServerResponseListRolePrivileges;
import com.qumasoft.qvcslib.response.ServerResponseListUserRoles;
import com.qumasoft.qvcslib.response.ServerResponseListUsers;
import com.qumasoft.qvcslib.response.ServerResponseListViews;
import java.util.Collections;
import java.util.HashSet;
import java.util.Set;
import java.util.logging.Level;
import java.util.logging.Logger;
import javax.swing.event.ChangeEvent;
import javax.swing.event.ChangeListener;
/**
* Server Manager. Handles those messages that manage the server -- like adding users. This class is used on clients.
* @author Jim Voris
*/
public final class ServerManager {
// Create our logger object
private static final Logger LOGGER = Logger.getLogger("com.qumasoft.qvcslib.ServerManager");
private Set<ChangeListener> listeners = null;
private static final ServerManager SERVER_MANAGER = new ServerManager();
/**
* Creates a new instance of ServerManager.
*/
private ServerManager() {
listeners = Collections.synchronizedSet(new HashSet<ChangeListener>());
}
/**
* Get the server manager singleton.
* @return the server manager singleton.
*/
public static ServerManager getServerManager() {
return SERVER_MANAGER;
}
/**
* Add a change listener. A listener gets notified on receipt of server management responses.
* @param listener the listener.
*/
public void addChangeListener(ChangeListener listener) {
listeners.add(listener);
}
/**
* Remove a change listener.
* @param listener a change listener.
*/
public void removeChangeListener(ChangeListener listener) {
listeners.remove(listener);
}
void handleServerManagement(Object object) {
if (object instanceof ServerResponseListUsers) {
handleManagementListUsers(object);
} else if (object instanceof ServerResponseListProjectUsers) {
handleManagementListProjectUsers(object);
} else if (object instanceof ServerResponseListUserRoles) {
handleManagementListUserRoles(object);
} else if (object instanceof ServerResponseListProjects) {
handleManagementListProjects(object);
} else if (object instanceof ServerResponseListViews) {
handleManagementListViews(object);
} else if (object instanceof ServerResponseListRoleNames) {
handleManagementListRoleNames(object);
} else if (object instanceof ServerResponseListRolePrivileges) {
handleManagementListRolePrivileges(object);
} else {
LOGGER.log(Level.WARNING, "unknown or unsupported server management message: " + object.getClass().toString());
}
}
void handleManagementListUsers(Object object) {
ServerResponseListUsers listUsersResponse = (ServerResponseListUsers) object;
for (ChangeListener listener : listeners) {
try {
listener.stateChanged(new ChangeEvent(listUsersResponse));
} catch (Exception e) {
LOGGER.log(Level.WARNING, "caught exception: " + e.getClass().toString() + " " + e.getLocalizedMessage());
listeners.remove(listener);
}
}
}
void handleManagementListProjectUsers(Object object) {
ServerResponseListProjectUsers listProjectUsersResponse = (ServerResponseListProjectUsers) object;
for (ChangeListener listener : listeners) {
try {
listener.stateChanged(new ChangeEvent(listProjectUsersResponse));
} catch (Exception e) {
listeners.remove(listener);
}
}
}
void handleManagementListUserRoles(Object object) {
ServerResponseListUserRoles listUserRolesResponse = (ServerResponseListUserRoles) object;
for (ChangeListener listener : listeners) {
try {
listener.stateChanged(new ChangeEvent(listUserRolesResponse));
} catch (Exception e) {
listeners.remove(listener);
}
}
}
void handleManagementListProjects(Object object) {
ServerResponseListProjects listProjectsResponse = (ServerResponseListProjects) object;
for (ChangeListener listener : listeners) {
try {
listener.stateChanged(new ChangeEvent(listProjectsResponse));
} catch (Exception e) {
listeners.remove(listener);
}
}
}
void handleManagementListViews(Object object) {
ServerResponseListViews listViewsResponse = (ServerResponseListViews) object;
for (ChangeListener listener : listeners) {
try {
listener.stateChanged(new ChangeEvent(listViewsResponse));
} catch (Exception e) {
listeners.remove(listener);
}
}
}
void handleManagementListRoleNames(Object object) {
ServerResponseListRoleNames listRoleNames = (ServerResponseListRoleNames) object;
for (ChangeListener listener : listeners) {
try {
listener.stateChanged(new ChangeEvent(listRoleNames));
} catch (Exception e) {
listeners.remove(listener);
}
}
}
void handleManagementListRolePrivileges(Object object) {
ServerResponseListRolePrivileges listRolePrivileges = (ServerResponseListRolePrivileges) object;
for (ChangeListener listener : listeners) {
try {
listener.stateChanged(new ChangeEvent(listRolePrivileges));
} catch (Exception e) {
listeners.remove(listener);
}
}
}
}