Examples with Function org.structr.schema.action.Function used on opensource projects

Example 1 with Function

use of org.structr.schema.action.Function in project structr by structr.

the class StructrScriptable method get.

@Override
public Object get(final String name, Scriptable start) {
    if ("get".equals(name)) {
        return new IdFunctionObject(new IdFunctionCall() {

            @Override
            public Object execIdCall(final IdFunctionObject info, final Context context, final Scriptable scope, final Scriptable thisObject, final Object[] parameters) {
                if (parameters.length == 1 && parameters[0] != null) {
                    try {
                        return wrap(context, thisObject, null, actionContext.evaluate(entity, parameters[0].toString(), null, null, 0));
                    } catch (FrameworkException ex) {
                        exception = ex;
                    }
                } else if (parameters.length > 1) {
                    // execute builtin get function
                    final Function<Object, Object> function = Functions.get("get");
                    try {
                        final Object[] unwrappedParameters = new Object[parameters.length];
                        int i = 0;
                        // unwrap JS objects
                        for (final Object param : parameters) {
                            unwrappedParameters[i++] = unwrap(param);
                        }
                        return wrap(context, scope, null, function.apply(actionContext, entity, unwrappedParameters));
                    } catch (FrameworkException fex) {
                        exception = fex;
                    }
                    return null;
                }
                return null;
            }
        }, null, 0, 0);
    }
    if ("clear".equals(name)) {
        return new IdFunctionObject(new IdFunctionCall() {

            @Override
            public Object execIdCall(final IdFunctionObject info, final Context context, final Scriptable scope, final Scriptable thisObject, final Object[] parameters) {
                actionContext.clear();
                return null;
            }
        }, null, 0, 0);
    }
    if ("this".equals(name)) {
        return wrap(this.scriptingContext, start, null, entity);
    }
    if ("me".equals(name)) {
        return wrap(this.scriptingContext, start, null, actionContext.getSecurityContext().getUser(false));
    }
    if ("vars".equals(name)) {
        NativeObject nobj = new NativeObject();
        for (Map.Entry<String, Object> entry : actionContext.getAllVariables().entrySet()) {
            nobj.defineProperty(entry.getKey(), entry.getValue(), NativeObject.READONLY);
        }
        return nobj;
    }
    if ("include".equals(name) || "render".equals(name)) {
        return new IdFunctionObject(new IdFunctionCall() {

            @Override
            public Object execIdCall(final IdFunctionObject info, final Context context, final Scriptable scope, final Scriptable thisObject, final Object[] parameters) {
                if (parameters.length > 0 && parameters[0] != null) {
                    try {
                        final Function func = Functions.get(name);
                        if (func != null) {
                            actionContext.print(func.apply(actionContext, entity, parameters));
                        }
                        return null;
                    } catch (FrameworkException ex) {
                        exception = ex;
                    }
                }
                return null;
            }
        }, null, 0, 0);
    }
    if ("includeJs".equals(name)) {
        return new IdFunctionObject(new IdFunctionCall() {

            @Override
            public Object execIdCall(final IdFunctionObject info, final Context context, final Scriptable scope, final Scriptable thisObject, final Object[] parameters) {
                if (parameters.length == 1) {
                    final String fileName = parameters[0].toString();
                    final String source = actionContext.getJavascriptLibraryCode(fileName);
                    // use cached / compiled source code for JS libs
                    Scripting.compileOrGetCached(context, source, fileName, 1).exec(context, scope);
                } else {
                    logger.warn("Incorrect usage of includeJs function. Takes exactly one parameter: The filename of the javascript file!");
                }
                return null;
            }
        }, null, 0, 0);
    }
    if ("batch".equals(name)) {
        return new IdFunctionObject(new BatchFunctionCall(actionContext, this), null, 0, 0);
    }
    if ("cache".equals(name)) {
        return new IdFunctionObject(new IdFunctionCall() {

            @Override
            public Object execIdCall(final IdFunctionObject info, final Context context, final Scriptable scope, final Scriptable thisObject, final Object[] parameters) {
                final CacheExpression cacheExpr = new CacheExpression();
                Object retVal = null;
                try {
                    for (int i = 0; i < parameters.length; i++) {
                        cacheExpr.add(new ConstantExpression(parameters[i]));
                    }
                    retVal = cacheExpr.evaluate(actionContext, entity);
                } catch (FrameworkException ex) {
                    exception = ex;
                }
                return retVal;
            }
        }, null, 0, 0);
    }
    if ("slice".equals(name)) {
        return new IdFunctionObject(new SliceFunctionCall(actionContext, entity, scriptingContext), null, 0, 0);
    }
    if ("doPrivileged".equals(name) || "do_privileged".equals(name)) {
        return new IdFunctionObject(new IdFunctionCall() {

            @Override
            public Object execIdCall(final IdFunctionObject info, final Context context, final Scriptable scope, final Scriptable thisObject, final Object[] parameters) {
                // backup security context
                final SecurityContext securityContext = StructrScriptable.this.actionContext.getSecurityContext();
                try {
                    // replace security context with super user context
                    actionContext.setSecurityContext(SecurityContext.getSuperUserInstance());
                    if (parameters != null && parameters.length == 1) {
                        final Object param = parameters[0];
                        if (param instanceof Script) {
                            final Script script = (Script) param;
                            return script.exec(context, scope);
                        } else {
                        // ...
                        }
                    } else {
                    // ...
                    }
                    return null;
                } finally {
                    // restore saved security context
                    StructrScriptable.this.actionContext.setSecurityContext(securityContext);
                }
            }
        }, null, 0, 0);
    }
    // execute builtin function?
    final Function<Object, Object> function = Functions.get(CaseHelper.toUnderscore(name, false));
    if (function != null) {
        return new IdFunctionObject(new FunctionWrapper(function), null, 0, 0);
    }
    return null;
}