Package org.apache.commons.scxml2.model

Source Code of org.apache.commons.scxml2.model.Script

/*
* 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
* <script> SCXML element.
*
* TODO src attribute support
*/
public class Script extends Action implements BodyContainer {

    /**
     * Serial version UID.
     */
    private static final long serialVersionUID = 1L;

    private boolean globalScript;
    private String body;

    /**
     * Constructor.
     */
    public Script() {
        super();
    }

    public boolean isGlobalScript() {
        return globalScript;
    }

    public void setGlobalScript(final boolean globalScript) {
        this.globalScript = globalScript;
    }

    @Override
    public String getBody() {
        return body;
    }

    @Override
    public void setBody(String body) {
        this.body = body;
    }

    /**
     * Get the script to execute.
     *
     * @return The script to execute.
     */
    public String getScript() {
        return body;
    }

    /**
     * {@inheritDoc}
     */
    @Override
    public void execute(ActionExecutionContext exctx) throws ModelException, SCXMLExpressionException {
        Context ctx = isGlobalScript() ? exctx.getGlobalContext() : exctx.getContext(getParentEnterableState());
        ctx.setLocal(getNamespacesKey(), getNamespaces());
        Evaluator eval = exctx.getEvaluator();
        eval.evalScript(ctx, getScript());
        ctx.setLocal(getNamespacesKey(), null);
    }

}
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