public static ScriptingContainer makeContainer(RubyConfig config) {
// Required global setting for when JRuby fakes up Kernel.system('ruby')
// calls.
// Since this is global, other JRuby servlets in this servlet container
// are affected...
//
// TODO: move to a better location in the code? remove?
if (config.getJrubyHome() != null) {
System.setProperty("jruby.home", config.getJrubyHome());
}
final ScriptingContainer container = new ScriptingContainer(config.getScope());
container.setCompileMode(config.getCompileMode());
if (config.getJrubyHome() != null) {
container.setHomeDirectory(config.getJrubyHome());
}
container.setCompatVersion(config.getCompatVersion());
container.setCurrentDirectory(config.getAppRoot());
// don't propagate ENV to global JVM level
container.getProvider().getRubyInstanceConfig().setUpdateNativeENVEnabled(false);
logger.info(
"new ScriptingContainer scope={} compileMode={} jrubyHome={} compatVersion={}, pwd={}",
new Object[] {
config.getScope(),
config.getCompileMode(),
config.getJrubyHome(),
config.getCompatVersion(),
config.getAppRoot()
});
return container;
}
Engine(File root) {
List<String> loadPaths = new ArrayList<String>();
loadPaths.add(new File(root, "lib").getAbsolutePath());
for (VirtualFile vf : Play.roots) {
loadPaths.add(new File(vf.getRealFile(), "public/stylesheets").getAbsolutePath());
}
scriptingContainer = new ScriptingContainer();
scriptingContainer.getProvider().setLoadPaths(loadPaths);
scriptingContainer.setErrorWriter(errors);
}
public IRubyObject getInstanceVariable(IRubyObject obj, String variableName) {
BiVariableMap map = container.getVarMap();
synchronized (map) {
if (map.containsKey(variableName)) {
BiVariable bv =
map.getVariable(
(RubyObject) container.getProvider().getRuntime().getTopSelf(), variableName);
return bv.getRubyObject();
}
}
return null;
}
public IRubyObject setInstanceVariable(IRubyObject obj, String variableName, IRubyObject value) {
BiVariableMap map = container.getVarMap();
synchronized (map) {
if (map.containsKey(variableName)) {
BiVariable bv =
map.getVariable(
(RubyObject) container.getProvider().getRuntime().getTopSelf(), variableName);
bv.setRubyObject(value);
} else {
InstanceVariable iv = new InstanceVariable(obj, variableName, value);
map.update(variableName, iv);
}
}
return obj.getInstanceVariables().setInstanceVariable(variableName, value);
}
private <T> T call(
MethodType type,
Class<T> returnType,
Object receiver,
String methodName,
Block block,
EmbedEvalUnit unit,
Object... args) {
if (methodName == null || methodName.length() == 0) {
return null;
}
Ruby runtime = container.getProvider().getRuntime();
RubyObject rubyReceiver = getReceiverObject(runtime, receiver);
boolean sharing_variables = true;
Object obj = container.getAttribute(AttributeName.SHARING_VARIABLES);
if (obj != null && obj instanceof Boolean && ((Boolean) obj) == false) {
sharing_variables = false;
}
try {
if (sharing_variables) {
ManyVarsDynamicScope scope;
if (unit != null && unit.getScope() != null) scope = unit.getScope();
else scope = EmbedRubyRuntimeAdapterImpl.getManyVarsDynamicScope(container, 0);
container.getVarMap().inject(scope, 0, rubyReceiver);
runtime.getCurrentContext().pushScope(scope);
}
IRubyObject result = callEachType(type, rubyReceiver, methodName, block, args);
if (sharing_variables) {
container.getVarMap().retrieve(rubyReceiver);
}
if (!(result instanceof RubyNil) && returnType != null) {
Object ret = JavaEmbedUtils.rubyToJava(runtime, result, returnType);
return ret != null ? returnType.cast(ret) : null;
}
return null;
} catch (RaiseException e) {
runtime.printError(e.getException());
throw new InvokeFailedException(e.getMessage(), e);
} catch (Throwable e) {
throw new InvokeFailedException(e);
} finally {
if (sharing_variables) {
runtime.getCurrentContext().popScope();
}
}
}