Passing Parameters to Scripts - Scripting in Java: Integrating with Groovy and JavaScript - page 30

public class ScriptContextTest {
public static void main(String[] args) {
// Create a script context
ScriptContext ctx = new SimpleScriptContext();
// Get the list of scopes supported by the script context
List<Integer> scopes = ctx.getScopes();
System.out.println("Supported Scopes: " + scopes);
// Add three key-value pairs to the engine scope bindings
ctx.setAttribute("year", 1969, ENGINE_SCOPE);
ctx.setAttribute("month", 9, ENGINE_SCOPE);
ctx.setAttribute("day", 19, ENGINE_SCOPE);
// Add a global scope Bindings to the context
Bindings globalBindings = new SimpleBindings();
ctx.setBindings(globalBindings, GLOBAL_SCOPE);
// Add two key-value pairs to the global scope bindings
ctx.setAttribute("year", 1982, GLOBAL_SCOPE);
ctx.setAttribute("name", "Boni", GLOBAL_SCOPE);
// Get the value of year without specifying the scope
int yearValue = (Integer)ctx.getAttribute("year");
System.out.println("yearValue = " + yearValue);
// Get the value of name
String nameValue = (String)ctx.getAttribute("name");
System.out.println("nameValue = " + nameValue);
// Get the value of year from engine and global scopes
int engineScopeYear = (Integer)ctx.getAttribute("year",
ENGINE_SCOPE);
int globalScopeYear = (Integer)ctx.getAttribute("year",
GLOBAL_SCOPE);
System.out.println("engineScopeYear = " + engineScopeYear);
System.out.println("globalScopeYear = " + globalScopeYear);
}
}
Supported Scopes: [100, 200]
yearValue = 1969
nameValue = Boni
engineScopeYear = 1969
globalScopeYear = 1982