Examples with Context org.mozilla.javascript.Context used on opensource projects

Example 36 with Context

use of org.mozilla.javascript.Context in project sling by apache.

the class RhinoJavaScriptEngineFactory method getRootScope.

@SuppressWarnings("unchecked")
private Scriptable getRootScope() {
    if (rootScope == null) {
        final Context rhinoContext = Context.enter();
        try {
            rhinoContext.setOptimizationLevel(optimizationLevel);
            Scriptable tmpScope = rhinoContext.initStandardObjects(new ImporterTopLevel(rhinoContext), false);
            // default classes
            addHostObjects(tmpScope, (Class<? extends ScriptableObject>[]) HOSTOBJECT_CLASSES);
            // provided classes
            for (RhinoHostObjectProvider provider : hostObjectProvider) {
                addHostObjects(tmpScope, provider.getHostObjectClasses());
                addImportedClasses(rhinoContext, tmpScope, provider.getImportedClasses());
                addImportedPackages(rhinoContext, tmpScope, provider.getImportedPackages());
            }
            // only assign the root scope when complete set up
            rootScope = tmpScope;
        } finally {
            // ensure the context is exited after setting up the
            // the new root scope
            Context.exit();
        }
    }
    return rootScope;
}

Example 37 with Context

use of org.mozilla.javascript.Context in project sling by apache.

the class JsUtils method callFn.

public static Object callFn(Function function, Context cx, Scriptable scope, Scriptable thisObj, Object[] args) {
    boolean exitContext = false;
    if (Context.getCurrentContext() == null) {
        Context.enter();
        exitContext = true;
    }
    Context context = (cx == null) ? Context.getCurrentContext() : cx;
    Object result = function.call(context, scope, thisObj, args);
    if (exitContext) {
        Context.exit();
    }
    return result;
}

Example 38 with Context

use of org.mozilla.javascript.Context in project sling by apache.

the class JavascriptEngine method execute.

/** Execute supplied code against supplied data, 
	 * 	see JavascriptEngineTest for examples */
public String execute(String code, String jsonData) throws IOException {
    final String jsCode = "data=" + jsonData + ";\n" + code;
    final Context rhinoContext = Context.enter();
    final ScriptableObject scope = rhinoContext.initStandardObjects();
    // execute the script, out script variable maps to sw
    final StringWriter sw = new StringWriter();
    final PrintWriter pw = new PrintWriter(sw, true);
    ScriptableObject.putProperty(scope, "out", Context.javaToJS(pw, scope));
    final int lineNumber = 1;
    final Object securityDomain = null;
    try {
        rhinoContext.evaluateString(scope, jsCode, getClass().getSimpleName(), lineNumber, securityDomain);
    } catch (Exception e) {
        final IOException ioe = new IOException("While executing [" + code + "]:" + e);
        ioe.initCause(e);
        throw ioe;
    }
    // check script output
    pw.flush();
    return sw.toString().trim();
}

Example 39 with Context

use of org.mozilla.javascript.Context in project gradle by gradle.

the class RhinoWorkerUtils method parseRhino.

public static <T> T parseRhino(File rhinoScript, ScopeOperation<T> operation) {
    Context context = Context.enter();
    try {
        operation.initContext(context);
        Scriptable scope = context.initStandardObjects();
        String printFunction = "function print(message) {}";
        context.evaluateString(scope, printFunction, "print", 1, null);
        context.evaluateString(scope, readFile(rhinoScript, "UTF-8"), rhinoScript.getName(), 1, null);
        return operation.action(scope, context);
    } finally {
        Context.exit();
    }
}

Example 40 with Context

use of org.mozilla.javascript.Context in project gradle by gradle.

the class RhinoWorkerUtils method parse.

public static Scriptable parse(File source, String encoding, Action<Context> contextConfig) {
    Context context = Context.enter();
    if (contextConfig != null) {
        contextConfig.execute(context);
    }
    Scriptable scope = context.initStandardObjects();
    try {
        Reader reader = new InputStreamReader(new FileInputStream(source), encoding);
        try {
            context.evaluateReader(scope, reader, source.getName(), 0, null);
        } finally {
            reader.close();
        }
    } catch (IOException e) {
        throw new UncheckedIOException(e);
    } finally {
        Context.exit();
    }
    return scope;
}