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A java common package that enable to deal with various functionalities
/*
This file is part of JOrigin Common Library.
JOrigin Common is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
JOrigin Common 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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with JOrigin Common. If not, see plugins = null;
/**
* The names of the excluded plugins. These plugins will not be activated.
*/
private ArrayList excludes = new ArrayList();
/**
* The name of the included plugins. These plugins will be activated.
*/
private ArrayList includes = new ArrayList();
/**
* The pluger that the manager handle
*/
private IPlugger plugger = null;
/**
* The list of all registered plugin manager listeners
*/
private ArrayList listeners = null;
private int pluginCount = 0;
private int pluginProcessed = 0;
float percentDone = 0;
//IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII
//II IMPLEMENTATION II
//IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII
@Override
public boolean addPluginExclude(String pluginName) {
if (!excludes.contains(pluginName)){
return excludes.add(pluginName);
} else {
return false;
}
}
@Override
public boolean addPluginInclude(String pluginName) {
if (!includes.contains(pluginName)){
return includes.add(pluginName);
} else {
return false;
}
}
@Override
public ArrayList getPluginExcludes() {
return this.excludes;
}
@Override
public ArrayList getPluginIncludes() {
return this.includes;
}
@Override
public void pluginAllInit() {
Iterator iter = null;
IPlugin plugin = null;
java.util.regex.Pattern pattern;
java.util.regex.Matcher matcher;
boolean isExcluded = false;
boolean isIncluded = false;
if ( plugins== null){
return;
}
pluginCount = plugins.size();
pluginProcessed = 0;
initStarted(pluginCount);
// Classement des plugins en fonction de leur dependances
// Les plugins dépendance d'autre plugins sont classes en premier
Collections.sort(plugins, new Comparator(){
public int compare(IPlugin o1, IPlugin o2) {
String[] p1dep = o1.getDependencies();
String[] p2dep = o2.getDependencies();
boolean p1dependOfP2 = false;
boolean p2dependOfP1 = false;
int i = 0;
int ret = 0;
// Verification de la presence de dependences pour les plugins
if ((p1dep == null) && (p2dep == null)){
return 0;
} else if (p1dep == null){
return -1;
} else if (p2dep == null){
return 1;
}
// p1 est il dependant de p2
i = 0;
while((i < p1dep.length) && (p1dependOfP2 == false)){
if (p1dep[i].equals(o2.getName())){
p1dependOfP2 = true;
}
i++;
}
// p2 est il dependant de p1
i = 0;
while((i < p2dep.length) && (p2dependOfP1 == false)){
if (p2dep[i].equals(o1.getName())){
p2dependOfP1 = true;
}
i++;
}
// Les deux plugins sont dependant l'un de l'autre
// Ce cas est une erreur mais par defaut on considere les plugins comme
// etant de même priorité!!
if (p1dependOfP2 && p2dependOfP1){
ret = 0;
// Le plugin 1 depend du plugin 2, 2 est alors plus grand que 1
} else if (p1dependOfP2){
ret = 1;
// Le plugin 2 depend du plugin 1, 1 est alors plus grand que 2
} else if (p2dependOfP1){
ret = -1;
// Les deux plugins ne sont pas dependant.
} else {
ret = 0;
}
p1dep = null;
p2dep = null;
return ret;
}});
// Initialisation des plugins en des moins dépendant aux plus dépendants
Common.logger.log(Level.INFO, "[DefaultPluginManager][pluginAllInit()] Init plugins");
iter = plugins.iterator();
while(iter.hasNext()){
plugin = iter.next();
int j = 0;
while((j < excludes.size()) && (!isExcluded)){
pattern = java.util.regex.Pattern.compile(excludes.get(j));
matcher = pattern.matcher(plugin.getName());
if(matcher.matches()){
Common.logger.log(Level.INFO, "[DefaultPluginManager][pluginAllInit()] - NOT Init "+plugin.getName()+" (explicitely excluded by "+excludes.get(j)+")");
isExcluded = true;
}
j++;
}
if (!isExcluded){
j = 0;
while((j < includes.size()) && (!isIncluded)){
pattern = java.util.regex.Pattern.compile(includes.get(j));
matcher = pattern.matcher(plugin.getName());
if(matcher.matches()){
isIncluded = true;
try {
if (plugin.pluginInit(plugger)){
Common.logger.log(Level.INFO, "[DefaultPluginManager][pluginAllInit()] - Init "+plugin.getName()+" (included) [OK]");
} else {
Common.logger.log(Level.INFO, "[DefaultPluginManager][pluginAllInit()] - Init "+plugin.getName()+" (included) [FAIL]");
}
} catch (Exception ex) {
Common.logger.log(Level.SEVERE, "[DefaultPluginManager][pluginAllInit()] - Init "+plugin.getName()+" (included) [FAIL]", ex);
}
}
}
}
if ((!isExcluded)&&(!isIncluded)){
Common.logger.log(Level.INFO, "[DefaultPluginManager][pluginAllInit()] - Init "+plugin.getName()+" Plugin is not included / excluded, loading by default");
try {
if (plugin.pluginInit(plugger)){
Common.logger.log(Level.INFO, "[DefaultPluginManager][pluginAllInit()] - Init "+plugin.getName()+" Plugin is not included / excluded, loading by default [OK]");
} else {
Common.logger.log(Level.INFO, "[DefaultPluginManager][pluginAllInit()] - Init "+plugin.getName()+" Plugin is not included / excluded, loading by default [FAIL]");
}
} catch (Exception ex) {
Common.logger.log(Level.INFO, "[DefaultPluginManager][pluginAllInit()] - Init "+plugin.getName()+" Plugin is not included / excluded, loading by default [FAIL]", ex);
}
}
}
initComplete(pluginProcessed);
pluginProcessed = 0;
pluginCount = 0;
}
@Override
public void pluginAllRestart() {
pluginAllStop();
pluginAllStart();
}
@Override
public void pluginAllStart() {
Iterator iter = null;
IPlugin plugin = null;
int i = 0;
if (plugins == null){
return;
}
Common.logger.log(Level.INFO, "[DefaultPluginManager][pluginAllInit()] Start plugins");
pluginCount = plugins.size();
pluginProcessed = 0;
startStarted(pluginCount);
iter = plugins.iterator();
while(iter.hasNext()){
plugin = iter.next();
if (plugin.isPluginInitialized()){
if (plugin.pluginStart()){
pluginStarted(plugin);
pluginProcessed++;
Common.logger.log(Level.INFO, "[DefaultPluginManager][pluginAllStart()] - Start "+plugin.getName()+" [OK]");
} else {
pluginStartError(plugin);
Common.logger.log(Level.INFO, "[DefaultPluginManager][pluginAllStart()] - Start "+plugin.getName()+" [FAIL]");
}
} else {
pluginStartError(plugin);
Common.logger.log(Level.INFO, "[DefaultPluginManager][pluginAllStart()] - Cannot start "+plugin.getName()+" because it is not initialized [FAIL]");
}
startProgress(plugin, (float)( ((float)i) / ((float)pluginCount)));
i++;
}
startComplete(pluginProcessed);
pluginProcessed = 0;
pluginCount = 0;
}
@Override
public void pluginAllStop() {
Iterator iter = null;
IPlugin plugin = null;
iter = plugins.iterator();
while(iter.hasNext()){
plugin = iter.next();
if (plugin.pluginStop()){
Common.logger.log(Level.INFO, "[DefaultPluginManager][pluginAllStop()] Stop "+plugin.getName()+" [OK] ");
} else {
Common.logger.log(Level.INFO, "[DefaultPluginManager][pluginAllStop()] Stop "+plugin.getName()+" [FAIL] ");
}
}
}
@Override
public void pluginInit(IPlugin plugin) {
try {
plugin.pluginInit(plugger);
} catch (Exception ex) {
Common.logger.log(Level.INFO, plugin.getName()+" initialization error", ex);
}
}
@Override
public void pluginRegister(IPlugin plugin) {
if (!plugins.contains(plugin)){
plugins.add(plugin);
}
}
@Override
public void pluginRestart(IPlugin plugin) {
plugin.pluginStop();
plugin.pluginStart();
}
@Override
public void pluginStart(IPlugin plugin) {
plugin.pluginStart();
}
@Override
public void pluginStop(IPlugin plugin) {
if ((plugin != null)&&(plugins.contains(plugin))){
plugin.pluginStop();
}
}
@Override
public void pluginUnregister(IPlugin plugin) {
pluginStop(plugin);
plugins.remove(plugin);
}
@Override
public boolean removePluginExclude(String pluginName) {
return excludes.remove(pluginName);
}
@Override
public boolean removePluginInclude(String pluginName) {
return includes.remove(pluginName);
}
@Override
public boolean addPluginManagerListener(PluginManagerListener listener){
if (listeners == null){
listeners = new ArrayList();
}
if (listener != null){
return listeners.add(listener);
} else {
return false;
}
}
@Override
public boolean removePluginManagerListener(PluginManagerListener listener){
if (listeners == null){
return false;
} else {
return listeners.remove(listener);
}
}
//IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII
//II IMPLEMENTATION II
//IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII
//EEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEE
//EE EVENEMENTS EE
//EEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEE
/**
* Method called when a plugin initialization has started.
* @param pluginCount the number of plugin to initialize
*/
private void initStarted(int pluginCount){
if (listeners != null){
Iterator iter = listeners.iterator();
while(iter.hasNext()){
iter.next().initStarted(pluginCount);
}
}
}
/**
* Method called when a plugin initialization is complete.
* @param pluginCount the number of plugin initialized
*/
private void initComplete(int pluginCount){
if (listeners != null){
Iterator iter = listeners.iterator();
while(iter.hasNext()){
iter.next().initComplete(pluginCount);
}
}
}
/**
* Method called when a plugin start has started.
* @param pluginCount the number of plugin to start
*/
private void startStarted(int pluginCount){
if (listeners != null){
Iterator iter = listeners.iterator();
while(iter.hasNext()){
iter.next().startStarted(pluginCount);
}
}
}
/**
* Method called when a plugin start progress.
* @param plugin the plugin started
* @param percentDone the percent of the task already done
*/
private void startProgress(IPlugin plugin, float percentDone){
if (listeners != null){
Iterator iter = listeners.iterator();
while(iter.hasNext()){
iter.next().startProgress(plugin, percentDone);
}
}
}
/**
* Method called when a plugin start is complete.
* @param pluginCount the number of plugin started.
*/
private void startComplete(int pluginCount){
if (listeners != null){
Iterator iter = listeners.iterator();
while(iter.hasNext()){
iter.next().startComplete(pluginCount);
}
}
}
/**
* Method called when a plugin is started
* @param plugin the started plugin
*/
private void pluginStarted(IPlugin plugin){
if (listeners != null){
Iterator iter = listeners.iterator();
while(iter.hasNext()){
iter.next().pluginStarted(plugin);
}
}
}
/**
* method called when a plugin start throws an error
* @param plugin the involved plugin
*/
private void pluginStartError(IPlugin plugin){
if (listeners != null){
Iterator iter = listeners.iterator();
while(iter.hasNext()){
iter.next().pluginStartError(plugin);
}
}
}
//EEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEE
//EE FIN EVENEMENTS EE
//EEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEE
//CCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCC
//CC CONSTRUCTEUR CC
//CCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCC
/**
* Create a default plugin manager.
* @param plugger The {@link org.jorigin.plugin.IPlugger IPlugger} to manage.
*/
public DefaultPluginManager(IPlugger plugger){
this.plugger = plugger;
plugins = new ArrayList();
excludes = new ArrayList();
includes = new ArrayList();
}
//CCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCC
//CC CONSTRUCTEUR CC
//CCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCC
}
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