| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You under the Apache License, Version 2.0 |
| * (the "License"); you may not use this file except in compliance with |
| * the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| package org.apache.commons.scxml2.model; |
| |
| import org.apache.commons.scxml2.ActionExecutionContext; |
| import org.apache.commons.scxml2.Context; |
| import org.apache.commons.scxml2.Evaluator; |
| import org.apache.commons.scxml2.SCXMLExpressionException; |
| |
| /** |
| * The class in this SCXML object model that corresponds to the |
| * <log> SCXML element. |
| * |
| */ |
| public class Log extends Action { |
| |
| /** |
| * Serial version UID. |
| */ |
| private static final long serialVersionUID = 1L; |
| |
| /** |
| * An expression evaluating to a string to be logged. |
| */ |
| private String expr; |
| |
| /** |
| * An expression which returns string which may be used, for example, |
| * to indicate the purpose of the log. |
| */ |
| private String label; |
| |
| /** |
| * Constructor. |
| */ |
| public Log() { |
| super(); |
| } |
| |
| /** |
| * Get the log expression. |
| * |
| * @return Returns the expression. |
| */ |
| public final String getExpr() { |
| return expr; |
| } |
| |
| /** |
| * Set the log expression. |
| * |
| * @param expr The expr to set. |
| */ |
| public final void setExpr(final String expr) { |
| this.expr = expr; |
| } |
| |
| /** |
| * Get the log label. |
| * |
| * @return Returns the label. |
| */ |
| public final String getLabel() { |
| return label; |
| } |
| |
| /** |
| * Set the log label. |
| * |
| * @param label The label to set. |
| */ |
| public final void setLabel(final String label) { |
| this.label = label; |
| } |
| |
| /** |
| * {@inheritDoc} |
| */ |
| @Override |
| public void execute(ActionExecutionContext exctx) throws ModelException, SCXMLExpressionException { |
| Context ctx = exctx.getContext(getParentEnterableState()); |
| Evaluator eval = exctx.getEvaluator(); |
| ctx.setLocal(getNamespacesKey(), getNamespaces()); |
| exctx.getAppLog().info(label + ": " + String.valueOf(eval.eval(ctx, expr))); |
| ctx.setLocal(getNamespacesKey(), null); |
| } |
| } |
| |