private synchronized ScriptEngineState getEngineByName(String name, boolean reset)
throws SoarException {
ScriptEngineState state = engines.get(name);
if (state != null && reset) {
state.dispose();
engines.remove(name);
state = null;
}
if (state == null) {
final ScriptEngine engine = getEngineManager().getEngineByName(name);
if (engine == null) {
throw new SoarException("Unsupported script engine '" + name + "'");
}
final ScriptEngineFactory f = engine.getFactory();
logger.info(
String.format(
"Loaded '%s' script engine for %s: %s version %s, %s version %s",
name,
context,
f.getEngineName(),
f.getEngineVersion(),
f.getLanguageName(),
f.getLanguageVersion()));
engines.put(name, state = new ScriptEngineState(context, name, engine));
}
return state;
}
private L2ScriptEngineManager() {
ScriptEngineManager scriptEngineManager = new ScriptEngineManager();
List<ScriptEngineFactory> factories = scriptEngineManager.getEngineFactories();
if (Config.SCRIPT_CACHE) {
_cache = loadCompiledScriptCache();
} else {
_cache = null;
}
_log.info("Initializing Script Engine Manager");
for (ScriptEngineFactory factory : factories) {
try {
ScriptEngine engine = factory.getScriptEngine();
boolean reg = false;
for (String name : factory.getNames()) {
ScriptEngine existentEngine = _nameEngines.get(name);
if (existentEngine != null) {
double engineVer = Double.parseDouble(factory.getEngineVersion());
double existentEngVer =
Double.parseDouble(existentEngine.getFactory().getEngineVersion());
if (engineVer <= existentEngVer) {
continue;
}
}
reg = true;
_nameEngines.put(name, engine);
}
if (reg) {
_log.info(
"Script Engine: "
+ factory.getEngineName()
+ " "
+ factory.getEngineVersion()
+ " - Language: "
+ factory.getLanguageName()
+ " - Language Version: "
+ factory.getLanguageVersion());
}
for (String ext : factory.getExtensions()) {
if (!ext.equals("java") || factory.getLanguageName().equals("java")) {
_extEngines.put(ext, engine);
}
}
} catch (Exception e) {
_log.warn("Failed initializing factory. ");
e.printStackTrace();
}
}
preConfigure();
}
public String getHelpText() {
StringBuilder helpText =
new StringBuilder(
"Custom message content generated from a script using JSR 223. "
+ "Custom scripts should be placed in "
+ "$JENKINS_HOME/"
+ EMAIL_TEMPLATES_DIRECTORY
+ ". When using custom scripts, "
+ "the script filename WITH .py/.rb/etc should be used for "
+ "the \""
+ SCRIPT_NAME_ARG
+ "\" argument.\n"
+ "templates and other items may be loaded using the\n"
+ "host.readFile(String fileName) function\n"
+ "the function will look in the resources for\n"
+ "the email-ext plugin first, and then in the $JENKINS_HOME/"
+ EMAIL_TEMPLATES_DIRECTORY
+ "\n"
+ "directory. No other directories will be searched.\n"
+ "<ul>\n"
+ "<li><i>"
+ SCRIPT_NAME_ARG
+ "</i> - the script name.<br>\n"
+ " Defaults to \""
+ DEFAULT_SCRIPT_NAME
+ "\".</li>\n"
+ "<li><i>"
+ SCRIPT_TEMPLATE_ARG
+ "</i> - the template filename.<br>\n"
+ " Defaults to \""
+ DEFAULT_TEMPLATE_NAME
+ "\"</li>\n"
+ "<li><i>"
+ SCRIPT_INIT_ARG
+ "</i> - true to run the language's init script.<br>\n"
+ " Defaults to "
+ DEFAULT_INIT_VALUE
+ "</li>\n"
+ "<li>Available Script Engines\n"
+ "<ul>\n");
for (ScriptEngineFactory fact : scriptEngineManager.getEngineFactories()) {
String extensions = join(fact.getExtensions(), ",");
helpText.append(
"<li><i>"
+ fact.getLanguageName()
+ "</i> - "
+ fact.getLanguageVersion()
+ " ("
+ extensions
+ ")</li>\n");
}
helpText.append("</ul></ul>\n");
return helpText.toString();
}
public void printInfo() {
ScriptEngineManager mgr = new ScriptEngineManager();
List<ScriptEngineFactory> factories = mgr.getEngineFactories();
for (ScriptEngineFactory factory : factories) {
System.out.println("ScriptEngineFactory Info");
String engName = factory.getEngineName();
String engVersion = factory.getEngineVersion();
String langName = factory.getLanguageName();
String langVersion = factory.getLanguageVersion();
System.out.printf("\tScript Engine: %s (%s)\n", engName, engVersion);
List<String> engNames = factory.getNames();
for (String name : engNames) {
System.out.printf("\tEngine Alias: %s\n", name);
}
System.out.printf("\tLanguage: %s (%s)\n", langName, langVersion);
}
}
private StringBuilder listScriptEngine() {
StringBuilder sb = new StringBuilder(OStrings.getString("SCW_LIST_ENGINES") + "\n");
for (ScriptEngineFactory engine : manager.getEngineFactories()) {
sb.append(" - ");
sb.append(engine.getEngineName());
sb.append(" ");
sb.append(engine.getLanguageName());
sb.append(" v.");
sb.append(engine.getLanguageVersion());
sb.append(" (").append(OStrings.getString("SCW_EXTENSIONS")).append(" ");
boolean hasMore = false;
for (String ext : engine.getExtensions()) {
if (hasMore) {
sb.append(", ");
}
sb.append(ext);
hasMore = true;
}
sb.append(")");
sb.append("\n");
}
return sb;
}
/**
* Unbinds a ScriptEngineFactory.
*
* @param factory the script engine factory to unbind
*/
protected void unbindScriptEngineFactory(ScriptEngineFactory factory) {
String language = factory.getLanguageName();
String languageVersion = factory.getLanguageVersion();
removeScriptEngineFactory(new ScriptLanguageDescription(language, languageVersion), factory);
}
@Override
public String getLanguageVersion() {
return factory.getLanguageVersion();
}