org.mobicents.smsc.domain.HttpUsersManagement Maven / Gradle / Ivy
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SMSC Gateway Domain Object
/*
* TeleStax, Open Source Cloud Communications
* Copyright 2012, Telestax Inc and individual contributors
* by the @authors tag. See the copyright.txt in the distribution for a
* full listing of individual contributors.
*
* This 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 2.1 of
* the License, or (at your option) any later version.
*
* 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 for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.mobicents.smsc.domain;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import javax.management.InstanceAlreadyExistsException;
import javax.management.InstanceNotFoundException;
import javax.management.MBeanRegistrationException;
import javax.management.MBeanServer;
import javax.management.MalformedObjectNameException;
import javax.management.NotCompliantMBeanException;
import javax.management.ObjectName;
import javax.management.StandardMBean;
import javolution.text.TextBuilder;
import javolution.util.FastList;
import javolution.xml.XMLBinding;
import javolution.xml.XMLObjectReader;
import javolution.xml.XMLObjectWriter;
import javolution.xml.stream.XMLStreamException;
import org.apache.log4j.Logger;
import org.jboss.mx.util.MBeanServerLocator;
/**
*
* @author sergey vetyutnev
*
*/
public class HttpUsersManagement implements HttpUsersManagementMBean {
private static final Logger logger = Logger.getLogger(HttpUsersManagement.class);
private static final String USER_LIST = "userList";
private static final String TAB_INDENT = "\t";
private static final String CLASS_ATTRIBUTE = "type";
private static final XMLBinding binding = new XMLBinding();
private static final String PERSIST_FILE_NAME = "httpusers.xml";
private final String name;
private String persistDir = null;
protected FastList httpUsers = new FastList();
private final TextBuilder persistFile = TextBuilder.newInstance();
private MBeanServer mbeanServer = null;
private static HttpUsersManagement instance = null;
protected HttpUsersManagement(String name) {
this.name = name;
binding.setClassAttribute(CLASS_ATTRIBUTE);
binding.setAlias(HttpUser.class, "httpUser");
}
public static HttpUsersManagement getInstance(String name) {
if (instance == null) {
instance = new HttpUsersManagement(name);
}
return instance;
}
public static HttpUsersManagement getInstance() {
return instance;
}
public String getName() {
return name;
}
public String getPersistDir() {
return persistDir;
}
public void setPersistDir(String persistDir) {
this.persistDir = persistDir;
}
@Override
public FastList getHttpUsers() {
return httpUsers;
}
@Override
public HttpUser getHttpUserByName(String userName) {
for (FastList.Node n = httpUsers.head(), end = httpUsers.tail(); (n = n.getNext()) != end;) {
HttpUser httpUser = n.getValue();
if (httpUser.getUserName().equals(userName)) {
return httpUser;
}
}
return null;
}
@Override
public HttpUser createHttpUser(String userName, String password) throws Exception {
if (userName == null || userName.isEmpty()) {
throw new Exception("userName must not be null or an empty String");
}
// if (password == null || password.isEmpty()) {
// throw new Exception("password must not be null or an empty String");
// }
for (FastList.Node n = httpUsers.head(), end = httpUsers.tail(); (n = n.getNext()) != end;) {
HttpUser httpUser = n.getValue();
// Name should be unique
if (httpUser.getUserName().equals(userName)) {
throw new Exception(String.format(SMSCOAMMessages.CREATE_HTTPUSER_FAIL_ALREADY_EXIST, name));
}
}
HttpUser httpUser = new HttpUser(userName, password);
httpUser.httpUsersManagement = this;
httpUsers.add(httpUser);
this.store();
this.registerHttpUserMbean(httpUser);
return httpUser;
}
@Override
public HttpUser destroyHttpUser(String userName) throws Exception {
HttpUser httpUser = this.getHttpUserByName(userName);
if (httpUser == null) {
throw new Exception(String.format(SMSCOAMMessages.DELETE_HTTPUSER_FAILED_NO_HTTPUSERFOUND, userName));
}
httpUsers.remove(httpUser);
this.store();
this.unregisterHttpUserMbean(httpUser.getUserName());
return httpUser;
}
public void start() throws Exception {
logger.info("Starting of HttpUsersManagement");
try {
this.mbeanServer = MBeanServerLocator.locateJBoss();
} catch (Exception e) {
}
this.persistFile.clear();
if (persistDir != null) {
this.persistFile.append(persistDir).append(File.separator).append(this.name).append("_")
.append(PERSIST_FILE_NAME);
} else {
persistFile
.append(System.getProperty(SmscManagement.SMSC_PERSIST_DIR_KEY,
System.getProperty(SmscManagement.USER_DIR_KEY))).append(File.separator).append(this.name)
.append("_").append(PERSIST_FILE_NAME);
}
logger.info(String.format("Loading HttpUser configuration from %s", persistFile.toString()));
try {
this.load();
} catch (FileNotFoundException e) {
logger.warn(String.format("Failed to load the HttpUser configuration file. \n%s", e.getMessage()));
}
for (FastList.Node n = httpUsers.head(), end = httpUsers.tail(); (n = n.getNext()) != end;) {
HttpUser httpUser = n.getValue();
this.registerHttpUserMbean(httpUser);
}
logger.info("Started of HttpUsersManagement");
}
public void stop() throws Exception {
logger.info("Stopping of HttpUsersManagement");
this.store();
for (FastList.Node n = httpUsers.head(), end = httpUsers.tail(); (n = n.getNext()) != end;) {
HttpUser httpUser = n.getValue();
this.unregisterHttpUserMbean(httpUser.getUserName());
}
logger.info("Stopped of HttpUsersManagement");
}
/**
* Persist
*/
public void store() {
try {
XMLObjectWriter writer = XMLObjectWriter.newInstance(new FileOutputStream(persistFile.toString()));
writer.setBinding(binding);
// Enables cross-references.
// writer.setReferenceResolver(new XMLReferenceResolver());
writer.setIndentation(TAB_INDENT);
writer.write(httpUsers, USER_LIST, FastList.class);
writer.close();
} catch (Exception e) {
logger.error("Error while persisting httpUsers state in file", e);
}
}
/**
* Load and create LinkSets and Link from persisted file
*
* @throws Exception
*/
public void load() throws FileNotFoundException {
XMLObjectReader reader = null;
try {
reader = XMLObjectReader.newInstance(new FileInputStream(persistFile.toString()));
reader.setBinding(binding);
this.httpUsers = reader.read(USER_LIST, FastList.class);
reader.close();
for (FastList.Node n = httpUsers.head(), end = httpUsers.tail(); (n = n.getNext()) != end;) {
HttpUser httpUser = n.getValue();
httpUser.httpUsersManagement = this;
}
} catch (XMLStreamException ex) {
// this.logger.info(
// "Error while re-creating Linksets from persisted file", ex);
}
}
private void registerHttpUserMbean(HttpUser httpUser) {
try {
ObjectName httpUserObjNname = new ObjectName(SmscManagement.JMX_DOMAIN + ":layer=HttpUser,name="
+ httpUser.getUserName());
StandardMBean httpUserMxBean = new StandardMBean(httpUser, HttpUserMBean.class, true);
if (this.mbeanServer != null)
this.mbeanServer.registerMBean(httpUserMxBean, httpUserObjNname);
} catch (InstanceAlreadyExistsException e) {
logger.error(String.format("Error while registering MBean for HttpUser %s", httpUser.getUserName()), e);
} catch (MBeanRegistrationException e) {
logger.error(String.format("Error while registering MBean for HttpUser %s", httpUser.getUserName()), e);
} catch (NotCompliantMBeanException e) {
logger.error(String.format("Error while registering MBean for HttpUser %s", httpUser.getUserName()), e);
} catch (MalformedObjectNameException e) {
logger.error(String.format("Error while registering MBean for HttpUser %s", httpUser.getUserName()), e);
}
}
private void unregisterHttpUserMbean(String httpUserName) {
try {
ObjectName httpUserObjNname = new ObjectName(SmscManagement.JMX_DOMAIN + ":layer=HttpUser,name=" + httpUserName);
if (this.mbeanServer != null)
this.mbeanServer.unregisterMBean(httpUserObjNname);
} catch (MBeanRegistrationException e) {
logger.error(String.format("Error while unregistering MBean for HttpUser %s", httpUserName), e);
} catch (InstanceNotFoundException e) {
logger.error(String.format("Error while unregistering MBean for HttpUser %s", httpUserName), e);
} catch (MalformedObjectNameException e) {
logger.error(String.format("Error while unregistering MBean for HttpUser %s", httpUserName), e);
}
}
}
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