Examples with ScriptEngine javax.script.ScriptEngine used on opensource projects

Example 46 with ScriptEngine

use of javax.script.ScriptEngine in project adempiere by adempiere.

the class ModelValidationEngine method fireDocValidate.

//	removeDocValidate
/**
	 * 	Fire Document Validation.
	 * 	Call docValidate method of added validators
	 *	@param po persistent objects
	 *	@param timing see ModelValidator.TIMING_ constants
     *	@return error message or null
	 */
public String fireDocValidate(PO po, int docTiming) {
    if (po == null || m_docValidateListeners.size() == 0)
        return null;
    String propertyName = po.get_TableName() + "*";
    ArrayList<ModelValidator> list = m_docValidateListeners.get(propertyName);
    if (list != null) {
        //ad_entitytype.modelvalidationclasses
        String error = fireDocValidate(po, docTiming, list);
        if (error != null && error.length() > 0)
            return error;
    }
    propertyName = po.get_TableName() + po.getAD_Client_ID();
    list = m_docValidateListeners.get(propertyName);
    if (list != null) {
        //ad_client.modelvalidationclasses
        String error = fireDocValidate(po, docTiming, list);
        if (error != null && error.length() > 0)
            return error;
    }
    // now process the script model validator for this event
    List<MTableScriptValidator> scriptValidators = MTableScriptValidator.getModelValidatorRules(po.getCtx(), po.get_Table_ID(), ModelValidator.documentEventValidators[docTiming]);
    if (scriptValidators != null) {
        for (MTableScriptValidator scriptValidator : scriptValidators) {
            MRule rule = MRule.get(po.getCtx(), scriptValidator.getAD_Rule_ID());
            // currently just JSR 223 supported
            if (rule != null && rule.isActive() && rule.getRuleType().equals(MRule.RULETYPE_JSR223ScriptingAPIs) && rule.getEventType().equals(MRule.EVENTTYPE_ModelValidatorDocumentEvent)) {
                String error;
                try {
                    ScriptEngine engine = rule.getScriptEngine();
                    // no window
                    MRule.setContext(engine, po.getCtx(), 0);
                    // now add the method arguments to the engine 
                    engine.put(MRule.ARGUMENTS_PREFIX + "Ctx", po.getCtx());
                    engine.put(MRule.ARGUMENTS_PREFIX + "PO", po);
                    engine.put(MRule.ARGUMENTS_PREFIX + "Type", docTiming);
                    engine.put(MRule.ARGUMENTS_PREFIX + "Event", ModelValidator.documentEventValidators[docTiming]);
                    Object retval = engine.eval(rule.getScript());
                    error = (retval == null ? "" : retval.toString());
                } catch (Exception e) {
                    e.printStackTrace();
                    error = e.toString();
                }
                if (error != null && error.length() > 0)
                    return error;
            }
        }
    }
    return null;
}

Example 47 with ScriptEngine

use of javax.script.ScriptEngine in project adempiere by adempiere.

the class ModelValidationEngine method fireModelChange.

//	removeModelValidator
/**
	 * 	Fire Model Change.
	 * 	Call modelChange method of added validators
	 *	@param po persistent objects
	 *	@param type ModelValidator.TYPE_*
	 *	@return error message or NULL for no veto
	 */
public String fireModelChange(PO po, int changeType) {
    if (po == null || m_modelChangeListeners.size() == 0)
        return null;
    String propertyName = po.get_TableName() + "*";
    ArrayList<ModelValidator> list = m_modelChangeListeners.get(propertyName);
    if (list != null) {
        //ad_entitytype.modelvalidationclasses
        String error = fireModelChange(po, changeType, list);
        if (error != null && error.length() > 0)
            return error;
    }
    propertyName = po.get_TableName() + po.getAD_Client_ID();
    list = m_modelChangeListeners.get(propertyName);
    if (list != null) {
        //ad_client.modelvalidationclasses
        String error = fireModelChange(po, changeType, list);
        if (error != null && error.length() > 0)
            return error;
    }
    // now process the script model validator for this event
    List<MTableScriptValidator> scriptValidators = MTableScriptValidator.getModelValidatorRules(po.getCtx(), po.get_Table_ID(), ModelValidator.tableEventValidators[changeType]);
    if (scriptValidators != null) {
        for (MTableScriptValidator scriptValidator : scriptValidators) {
            MRule rule = MRule.get(po.getCtx(), scriptValidator.getAD_Rule_ID());
            // currently just JSR 223 supported
            if (rule != null && rule.isActive() && rule.getRuleType().equals(MRule.RULETYPE_JSR223ScriptingAPIs) && rule.getEventType().equals(MRule.EVENTTYPE_ModelValidatorTableEvent)) {
                String error;
                try {
                    ScriptEngine engine = rule.getScriptEngine();
                    // no window
                    MRule.setContext(engine, po.getCtx(), 0);
                    // now add the method arguments to the engine 
                    engine.put(MRule.ARGUMENTS_PREFIX + "Ctx", po.getCtx());
                    engine.put(MRule.ARGUMENTS_PREFIX + "PO", po);
                    engine.put(MRule.ARGUMENTS_PREFIX + "Type", changeType);
                    engine.put(MRule.ARGUMENTS_PREFIX + "Event", ModelValidator.tableEventValidators[changeType]);
                    Object retval = engine.eval(rule.getScript());
                    error = (retval == null ? "" : retval.toString());
                } catch (Exception e) {
                    e.printStackTrace();
                    error = e.toString();
                }
                if (error != null && error.length() > 0)
                    return error;
            }
        }
    }
    return null;
}

Example 48 with ScriptEngine

use of javax.script.ScriptEngine in project adempiere by adempiere.

the class BrowserRow method processCallOut.

/**
     * ***********************************************************************
     * Adapted for Browse CallOuts
     * Process Callout(s) Adapted.
     * <p/>
     * The Callout is in the string of
     * "class.method;class.method;"
     * If there is no class name, i.e. only a method name, the class is regarded
     * as CalloutSystem.
     * The class needs to comply with the Interface Callout.
     * <p/>
     * For a limited time, the old notation of Sx_matheod / Ux_menthod is maintained.
     *
     * @param field field
     * @return error message or ""
     * @see org.compiere.model.Callout
     */
public String processCallOut(Properties ctx, int WindowNo, GridField field, Object value, Object oldValue, int currentRow, int currentColumn) {
    //	Set current Row
    setCurrentRow(currentRow);
    //	Valid Callout
    String callout = field.getCallout();
    if (callout.length() == 0)
        return "";
    //Object value = field.getValue();
    //Object oldValue = field.getOldValue();
    log.fine(field.getColumnName() + "=" + value + " (" + callout + ") - old=" + oldValue);
    StringTokenizer st = new StringTokenizer(callout, ";,", false);
    while (//  for each callout
    st.hasMoreTokens()) {
        String cmd = st.nextToken().trim();
        //detect infinite loop
        if (activeCallOuts.contains(cmd))
            continue;
        String retValue = "";
        // Victor Perez  - vpj-cd implement JSR 223 Scripting
        if (cmd.toLowerCase().startsWith(MRule.SCRIPT_PREFIX)) {
            MRule rule = MRule.get(ctx, cmd.substring(MRule.SCRIPT_PREFIX.length()));
            if (rule == null) {
                retValue = "Callout " + cmd + " not found";
                log.log(Level.SEVERE, retValue);
                return retValue;
            }
            if (!(rule.getEventType().equals(MRule.EVENTTYPE_Callout) && rule.getRuleType().equals(MRule.RULETYPE_JSR223ScriptingAPIs))) {
                retValue = "Callout " + cmd + " must be of type JSR 223 and event Callout";
                log.log(Level.SEVERE, retValue);
                return retValue;
            }
            ScriptEngine engine = rule.getScriptEngine();
            // Window context are    W_
            // Login context  are    G_
            MRule.setContext(engine, ctx, WindowNo);
            // now add the callout parameters windowNo, tab, field, value, oldValue to the engine
            // Method arguments context are A_
            engine.put(MRule.ARGUMENTS_PREFIX + "WindowNo", WindowNo);
            engine.put(MRule.ARGUMENTS_PREFIX + "Tab", this);
            engine.put(MRule.ARGUMENTS_PREFIX + "Field", field);
            engine.put(MRule.ARGUMENTS_PREFIX + "Value", value);
            engine.put(MRule.ARGUMENTS_PREFIX + "OldValue", oldValue);
            engine.put(MRule.ARGUMENTS_PREFIX + "currentRow", currentRow);
            engine.put(MRule.ARGUMENTS_PREFIX + "currentColumn", currentColumn);
            engine.put(MRule.ARGUMENTS_PREFIX + "Ctx", ctx);
            try {
                activeCallOuts.add(cmd);
                retValue = engine.eval(rule.getScript()).toString();
            } catch (Exception e) {
                log.log(Level.SEVERE, "", e);
                retValue = "Callout Invalid: " + e.toString();
                return retValue;
            } finally {
                activeCallOuts.remove(cmd);
            }
        } else {
            BrowserCallOut call = null;
            String method = null;
            int methodStart = cmd.lastIndexOf('.');
            try {
                if (//  no class
                methodStart != -1) {
                    Class<?> cClass = Class.forName(cmd.substring(0, methodStart));
                    call = (BrowserCallOut) cClass.newInstance();
                    method = cmd.substring(methodStart + 1);
                }
            } catch (Exception e) {
                log.log(Level.SEVERE, "class", e);
                return "Callout Invalid: " + cmd + " (" + e.toString() + ")";
            }
            if (call == null || method == null || method.length() == 0)
                return "Callout Invalid: " + method;
            try {
                activeCallOuts.add(cmd);
                activeCallOutInstance.add(call);
                retValue = call.start(ctx, method, WindowNo, this, field, value, oldValue, currentRow, currentColumn);
            } catch (Exception e) {
                log.log(Level.SEVERE, "start", e);
                retValue = "Callout Invalid: " + e.toString();
                return retValue;
            } finally {
                activeCallOuts.remove(cmd);
                activeCallOutInstance.remove(call);
            }
        }
        if (//	interrupt on first error
        !Util.isEmpty(retValue)) {
            log.severe(retValue);
            return retValue;
        }
    }
    //  for each callout
    return "";
}

Example 49 with ScriptEngine

use of javax.script.ScriptEngine in project lucene-solr by apache.

the class ScriptTransformer method initEngine.

private void initEngine(Context context) {
    String scriptText = context.getScript();
    String scriptLang = context.getScriptLanguage();
    if (scriptText == null) {
        throw new DataImportHandlerException(SEVERE, "<script> tag is not present under <dataConfig>");
    }
    ScriptEngineManager scriptEngineMgr = new ScriptEngineManager();
    ScriptEngine scriptEngine = scriptEngineMgr.getEngineByName(scriptLang);
    if (scriptEngine == null) {
        throw new DataImportHandlerException(SEVERE, "Cannot load Script Engine for language: " + scriptLang);
    }
    if (scriptEngine instanceof Invocable) {
        engine = (Invocable) scriptEngine;
    } else {
        throw new DataImportHandlerException(SEVERE, "The installed ScriptEngine for: " + scriptLang + " does not implement Invocable.  Class is " + scriptEngine.getClass().getName());
    }
    try {
        scriptEngine.eval(scriptText);
    } catch (ScriptException e) {
        wrapAndThrow(SEVERE, e, "'eval' failed with language: " + scriptLang + " and script: \n" + scriptText);
    }
}

Example 50 with ScriptEngine

use of javax.script.ScriptEngine in project lucene-solr by apache.

the class ScriptEngineTest method testJRuby.

public void testJRuby() throws ScriptException, NoSuchMethodException {
    // Simply adding jruby.jar to Solr's lib/ directory gets this test passing
    ScriptEngine engine = manager.getEngineByName("jruby");
    Assume.assumeNotNull(engine);
    assertNotNull(engine);
    engine.eval("def add(a,b); a + b; end");
    Number result = (Number) ((Invocable) engine).invokeFunction("add", 1, 2);
    assertNotNull(result);
    assertEquals(3, result.intValue());
}