use of org.pentaho.di.trans.steps.script.ScriptDummy 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;
}
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