| /* |
| * 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 |
| * <cancel> SCXML element. |
| * |
| */ |
| public class Cancel extends Action { |
| |
| /** |
| * Serial version UID. |
| */ |
| private static final long serialVersionUID = 1L; |
| |
| /** |
| * Constructor. |
| */ |
| public Cancel() { |
| super(); |
| } |
| |
| /** |
| * The ID of the send message that should be cancelled. |
| */ |
| private String sendid; |
| |
| /** |
| * The expression that evaluates to the ID of the send message that should be cancelled. |
| */ |
| private String sendidexpr; |
| |
| /** |
| * Get the ID of the send message that should be cancelled. |
| * |
| * @return Returns the sendid. |
| */ |
| public String getSendid() { |
| return sendid; |
| } |
| |
| /** |
| * Set the ID of the send message that should be cancelled. |
| * |
| * @param sendid The sendid to set. |
| */ |
| public void setSendid(final String sendid) { |
| this.sendid = sendid; |
| } |
| |
| /** |
| * Get the expression that evaluates to the ID of the send message that should be cancelled. |
| * |
| * @return the expression that evaluates to the ID of the send message that should be cancelled. |
| */ |
| public String getSendidexpr() { |
| return sendidexpr; |
| } |
| |
| /** |
| * Set the expression that evaluates to the ID of the send message that should be cancelled. |
| * |
| * @param sendidexpr the expression that evaluates to the ID of the send message that should be cancelled. |
| */ |
| public void setSendidexpr(String sendidexpr) { |
| this.sendidexpr = sendidexpr; |
| } |
| |
| /** |
| * {@inheritDoc} |
| */ |
| @Override |
| public void execute(ActionExecutionContext exctx) throws ModelException, SCXMLExpressionException { |
| EnterableState parentState = getParentEnterableState(); |
| Context ctx = exctx.getContext(parentState); |
| ctx.setLocal(getNamespacesKey(), getNamespaces()); |
| Evaluator eval = exctx.getEvaluator(); |
| |
| String sendidValue = sendid; |
| if (sendidValue == null && sendidexpr != null) { |
| sendidValue = (String) eval.eval(ctx, sendidexpr); |
| if ((sendidValue == null || sendidValue.trim().length() == 0) |
| && exctx.getAppLog().isWarnEnabled()) { |
| exctx.getAppLog().warn("<send>: sendid expression \"" + sendidexpr |
| + "\" evaluated to null or empty String"); |
| } |
| } |
| |
| exctx.getEventDispatcher().cancel(sendidValue); |
| } |
| } |
| |