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

Example 21 with Scriptable

use of org.mozilla.javascript.Scriptable 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 22 with Scriptable

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

the class RhinoJavaScriptEngineFactory method addHostObjects.

// ---------- internal
private void addHostObjects(Scriptable scope, Class<? extends Scriptable>[] classes) {
    if (classes != null) {
        for (Class<? extends Scriptable> clazz : classes) {
            try {
                // register the host object
                ScriptableObject.defineClass(scope, clazz);
                if (SlingWrapper.class.isAssignableFrom(clazz)) {
                    // SlingWrappers can map to several classes if needed
                    final SlingWrapper hostWrapper = (SlingWrapper) clazz.newInstance();
                    for (Class<?> c : hostWrapper.getWrappedClasses()) {
                        getWrapFactory().registerWrapper(c, hostWrapper.getClassName());
                    }
                } else {
                    // but other Scriptable host objects need to be
                    // registered as well
                    final Scriptable host = clazz.newInstance();
                    getWrapFactory().registerWrapper(host.getClass(), host.getClassName());
                }
            } catch (Throwable t) {
                log.warn("addHostObjects: Cannot prepare host object " + clazz, t);
            }
        }
    }
}

Example 23 with Scriptable

use of org.mozilla.javascript.Scriptable 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 24 with Scriptable

use of org.mozilla.javascript.Scriptable 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;
}

Example 25 with Scriptable

use of org.mozilla.javascript.Scriptable in project pentaho-kettle by pentaho.

the class ScriptDialog method test.

private boolean test(boolean getvars, boolean popup) {
    boolean retval = true;
    StyledTextComp wScript = getStyledTextComp();
    String scr = wScript.getText();
    KettleException testException = null;
    Context jscx;
    Scriptable jsscope;
    // Script jsscript;
    // Making Refresh to get Active Script State
    refreshScripts();
    jscx = ContextFactory.getGlobal().enterContext();
    jscx.setOptimizationLevel(-1);
    jsscope = jscx.initStandardObjects(null, false);
    // Adding the existing Scripts to the Context
    for (int i = 0; i < folder.getItemCount(); i++) {
        StyledTextComp sItem = getStyledTextComp(folder.getItem(i));
        Scriptable jsR = Context.toObject(sItem.getText(), jsscope);
        jsscope.put(folder.getItem(i).getText(), jsscope, jsR);
    }
    // Adding the Name of the Transformation to the Context
    jsscope.put("_TransformationName_", jsscope, this.stepname);
    try {
        RowMetaInterface rowMeta = transMeta.getPrevStepFields(stepname);
        if (rowMeta != null) {
            ScriptDummy dummyStep = new ScriptDummy(rowMeta, transMeta.getStepFields(stepname));
            Scriptable jsvalue = Context.toObject(dummyStep, jsscope);
            jsscope.put("_step_", jsscope, jsvalue);
            // Modification for Additional Script parsing
            try {
                if (input.getAddClasses() != null) {
                    for (int i = 0; i < input.getAddClasses().length; i++) {
                        Object jsOut = Context.javaToJS(input.getAddClasses()[i].getAddObject(), jsscope);
                        ScriptableObject.putProperty(jsscope, input.getAddClasses()[i].getJSName(), jsOut);
                    }
                }
            } catch (Exception e) {
                testException = new KettleException(BaseMessages.getString(PKG, "ScriptDialog.CouldNotAddToContext", e.toString()));
                retval = false;
            }
            // Adding some default JavaScriptFunctions to the System
            try {
                Context.javaToJS(ScriptAddedFunctions.class, jsscope);
                ((ScriptableObject) jsscope).defineFunctionProperties(jsFunctionList, ScriptAddedFunctions.class, ScriptableObject.DONTENUM);
            } catch (Exception ex) {
                testException = new KettleException(BaseMessages.getString(PKG, "ScriptDialog.CouldNotAddDefaultFunctions", ex.toString()));
                retval = false;
            }
            // Adding some Constants to the JavaScript
            try {
                jsscope.put("SKIP_TRANSFORMATION", jsscope, Integer.valueOf(SKIP_TRANSFORMATION));
                jsscope.put("ABORT_TRANSFORMATION", jsscope, Integer.valueOf(ABORT_TRANSFORMATION));
                jsscope.put("ERROR_TRANSFORMATION", jsscope, Integer.valueOf(ERROR_TRANSFORMATION));
                jsscope.put("CONTINUE_TRANSFORMATION", jsscope, Integer.valueOf(CONTINUE_TRANSFORMATION));
            } catch (Exception ex) {
                testException = new KettleException(BaseMessages.getString(PKG, "ScriptDialog.CouldNotAddTransformationConstants", ex.toString()));
                retval = false;
            }
            try {
                Object[] row = new Object[rowMeta.size()];
                Scriptable jsRowMeta = Context.toObject(rowMeta, jsscope);
                jsscope.put("rowMeta", jsscope, jsRowMeta);
                for (int i = 0; i < rowMeta.size(); i++) {
                    ValueMetaInterface valueMeta = rowMeta.getValueMeta(i);
                    Object valueData = null;
                    // 
                    if (valueMeta.isDate()) {
                        valueData = new Date();
                    }
                    if (valueMeta.isString()) {
                        valueData = "test value test value test value test value test " + "value test value test value test value test value test value";
                    }
                    if (valueMeta.isInteger()) {
                        valueData = Long.valueOf(0L);
                    }
                    if (valueMeta.isNumber()) {
                        valueData = new Double(0.0);
                    }
                    if (valueMeta.isBigNumber()) {
                        valueData = BigDecimal.ZERO;
                    }
                    if (valueMeta.isBoolean()) {
                        valueData = Boolean.TRUE;
                    }
                    if (valueMeta.isBinary()) {
                        valueData = new byte[] { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9 };
                    }
                    if (valueMeta.isStorageBinaryString()) {
                        valueMeta.setStorageType(ValueMetaInterface.STORAGE_TYPE_NORMAL);
                    }
                    row[i] = valueData;
                    Scriptable jsarg = Context.toObject(valueData, jsscope);
                    jsscope.put(valueMeta.getName(), jsscope, jsarg);
                }
                // OK, for these input values, we're going to allow the user to edit the default values...
                // We are displaying a
                // 2)
                // Add support for Value class (new Value())
                Scriptable jsval = Context.toObject(Value.class, jsscope);
                jsscope.put("Value", jsscope, jsval);
                // Add the old style row object for compatibility reasons...
                // 
                Scriptable jsRow = Context.toObject(row, jsscope);
                jsscope.put("row", jsscope, jsRow);
            } catch (Exception ev) {
                testException = new KettleException(BaseMessages.getString(PKG, "ScriptDialog.CouldNotAddInputFields", ev.toString()));
                retval = false;
            }
            try {
                // Checking for StartScript
                if (strActiveStartScript != null && !folder.getSelection().getText().equals(strActiveStartScript) && strActiveStartScript.length() > 0) {
                    String strStartScript = getStyledTextComp(folder.getItem(getCTabPosition(strActiveStartScript))).getText();
                    /* Object startScript = */
                    jscx.evaluateString(jsscope, strStartScript, "trans_Start", 1, null);
                }
            } catch (Exception e) {
                testException = new KettleException(BaseMessages.getString(PKG, "ScriptDialog.CouldProcessStartScript", e.toString()));
                retval = false;
            }
            try {
                Script evalScript = jscx.compileString(scr, "script", 1, null);
                evalScript.exec(jscx, jsscope);
                if (getvars) {
                    ScriptNode tree = parseVariables(jscx, jsscope, scr, "script", 1, null);
                    for (int i = 0; i < tree.getParamAndVarCount(); i++) {
                        String varname = tree.getParamOrVarName(i);
                        if (!varname.equalsIgnoreCase("row") && !varname.equalsIgnoreCase("trans_Status")) {
                            int type = ValueMetaInterface.TYPE_STRING;
                            int length = -1, precision = -1;
                            Object result = jsscope.get(varname, jsscope);
                            if (result != null) {
                                String classname = result.getClass().getName();
                                if (classname.equalsIgnoreCase("java.lang.Byte")) {
                                    // MAX = 127
                                    type = ValueMetaInterface.TYPE_INTEGER;
                                    length = 3;
                                    precision = 0;
                                } else if (classname.equalsIgnoreCase("java.lang.Integer")) {
                                    // MAX = 2147483647
                                    type = ValueMetaInterface.TYPE_INTEGER;
                                    length = 9;
                                    precision = 0;
                                } else if (classname.equalsIgnoreCase("java.lang.Long")) {
                                    // MAX = 9223372036854775807
                                    type = ValueMetaInterface.TYPE_INTEGER;
                                    length = 18;
                                    precision = 0;
                                } else if (classname.equalsIgnoreCase("java.lang.Double")) {
                                    type = ValueMetaInterface.TYPE_NUMBER;
                                    length = 16;
                                    precision = 2;
                                } else if (classname.equalsIgnoreCase("org.mozilla.javascript.NativeDate") || classname.equalsIgnoreCase("java.util.Date")) {
                                    type = ValueMetaInterface.TYPE_DATE;
                                } else if (classname.equalsIgnoreCase("java.lang.Boolean")) {
                                    type = ValueMetaInterface.TYPE_BOOLEAN;
                                }
                            }
                            TableItem ti = new TableItem(wFields.table, SWT.NONE);
                            ti.setText(1, varname);
                            ti.setText(2, "");
                            ti.setText(3, ValueMetaFactory.getValueMetaName(type));
                            ti.setText(4, length >= 0 ? ("" + length) : "");
                            ti.setText(5, precision >= 0 ? ("" + precision) : "");
                            // If the variable name exists in the input, suggest to replace the value
                            // 
                            ti.setText(6, (rowMeta.indexOfValue(varname) >= 0) ? YES_NO_COMBO[1] : YES_NO_COMBO[0]);
                        }
                    }
                    wFields.removeEmptyRows();
                    wFields.setRowNums();
                    wFields.optWidth(true);
                }
            // End Script!
            } catch (EvaluatorException e) {
                String position = "(" + e.lineNumber() + ":" + e.columnNumber() + ")";
                String message = BaseMessages.getString(PKG, "ScriptDialog.Exception.CouldNotExecuteScript", position);
                testException = new KettleException(message, e);
                retval = false;
            } catch (JavaScriptException e) {
                String position = "(" + e.lineNumber() + ":" + e.columnNumber() + ")";
                String message = BaseMessages.getString(PKG, "ScriptDialog.Exception.CouldNotExecuteScript", position);
                testException = new KettleException(message, e);
                retval = false;
            } catch (Exception e) {
                testException = new KettleException(BaseMessages.getString(PKG, "ScriptDialog.Exception.CouldNotExecuteScript2"), e);
                retval = false;
            }
        } else {
            testException = new KettleException(BaseMessages.getString(PKG, "ScriptDialog.Exception.CouldNotGetFields"));
            retval = false;
        }
        if (popup) {
            if (retval) {
                if (!getvars) {
                    MessageBox mb = new MessageBox(shell, SWT.OK | SWT.ICON_INFORMATION);
                    mb.setMessage(BaseMessages.getString(PKG, "ScriptDialog.ScriptCompilationOK") + Const.CR);
                    mb.setText("OK");
                    mb.open();
                }
            } else {
                new ErrorDialog(shell, BaseMessages.getString(PKG, "ScriptDialog.TestFailed.DialogTitle"), BaseMessages.getString(PKG, "ScriptDialog.TestFailed.DialogMessage"), testException);
            }
        }
    } catch (KettleException ke) {
        retval = false;
        new ErrorDialog(shell, BaseMessages.getString(PKG, "ScriptDialog.TestFailed.DialogTitle"), BaseMessages.getString(PKG, "ScriptDialog.TestFailed.DialogMessage"), ke);
    } finally {
        if (jscx != null) {
            Context.exit();
        }
    }
    return retval;
}