@Override
public boolean equals(final Object o) {
if (this == o) {
return true;
}
if (o == null || getClass() != o.getClass()) {
return false;
}
final RhinoCompiledScript that = (RhinoCompiledScript) o;
return compiledScript.equals(that.compiledScript) && engine.equals(that.engine);
}
/**
* Get the default value of the object with a given hint. The hints are String.class for type
* String, Number.class for type Number, Scriptable.class for type Object, and Boolean.class for
* type Boolean.
*
* <p>A <code>hint</code> of null means "no hint".
*
* <p>See ECMA 8.6.2.6.
*
* @param hint the type hint
* @return the default value
*/
public Object getDefaultValue(Class<?> typeHint) {
for (int i = 0; i < 2; i++) {
boolean tryToString;
if (typeHint == ScriptRuntime.StringClass) {
tryToString = (i == 0);
} else {
tryToString = (i == 1);
}
String methodName;
Object[] args;
if (tryToString) {
methodName = "toString";
args = ScriptRuntime.emptyArgs;
} else {
methodName = "valueOf";
args = new Object[1];
String hint;
if (typeHint == null) {
hint = "undefined";
} else if (typeHint == ScriptRuntime.StringClass) {
hint = "string";
} else if (typeHint == ScriptRuntime.ScriptableClass) {
hint = "object";
} else if (typeHint == ScriptRuntime.FunctionClass) {
hint = "function";
} else if (typeHint == ScriptRuntime.BooleanClass || typeHint == Boolean.TYPE) {
hint = "boolean";
} else if (typeHint == ScriptRuntime.NumberClass
|| typeHint == ScriptRuntime.ByteClass
|| typeHint == Byte.TYPE
|| typeHint == ScriptRuntime.ShortClass
|| typeHint == Short.TYPE
|| typeHint == ScriptRuntime.IntegerClass
|| typeHint == Integer.TYPE
|| typeHint == ScriptRuntime.FloatClass
|| typeHint == Float.TYPE
|| typeHint == ScriptRuntime.DoubleClass
|| typeHint == Double.TYPE) {
hint = "number";
} else {
throw Context.reportRuntimeError(
"Invalid JavaScript value of type " + typeHint.toString());
}
args[0] = hint;
}
Object v = ScriptableObject.getProperty(this, methodName);
if (!(v instanceof Function)) continue;
Function fun = (Function) v;
Context cx = RhinoScriptEngine.enterContext();
try {
v = fun.call(cx, fun.getParentScope(), this, args);
} finally {
Context.exit();
}
if (v != null) {
if (!(v instanceof Scriptable)) {
return v;
}
if (typeHint == ScriptRuntime.ScriptableClass || typeHint == ScriptRuntime.FunctionClass) {
return v;
}
if (tryToString && v instanceof Wrapper) {
// Let a wrapped java.lang.String pass for a primitive
// string.
Object u = ((Wrapper) v).unwrap();
if (u instanceof String) return u;
}
}
}
// fall through to error
String arg = (typeHint == null) ? "undefined" : typeHint.getName();
throw Context.reportRuntimeError("Cannot find default value for object " + arg);
}
@Override
public int hashCode() {
int result = engine.hashCode();
result = 31 * result + compiledScript.hashCode();
return result;
}
/**
* {@inheritDoc}
*
* @param scriptContext The script context in which to evaluate the script. Cannot be null.
*/
@Override
public Object eval(final ScriptContext scriptContext) throws ScriptException {
return engine.evalCompiled(compiledScript, scriptContext);
}
