RunScript.java example

Explorer
org.eclipse.ecr-master
/*
 * Copyright (c) 2006-2011 Nuxeo SA (http://nuxeo.com/) and others.
 *
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     bstefanescu
 */
package org.eclipse.ecr.automation.core.operations;

import org.eclipse.ecr.automation.OperationContext;
import org.eclipse.ecr.automation.core.Constants;
import org.eclipse.ecr.automation.core.annotations.Context;
import org.eclipse.ecr.automation.core.annotations.Operation;
import org.eclipse.ecr.automation.core.annotations.OperationMethod;
import org.eclipse.ecr.automation.core.annotations.Param;
import org.eclipse.ecr.automation.core.scripting.Expression;
import org.eclipse.ecr.automation.core.scripting.Scripting;

/**
 * Save the session - TODO remove this?
 *
 * @author <a href="mailto:bs@nuxeo.com">Bogdan Stefanescu</a>
 */
@Operation(id = RunScript.ID, category = Constants.CAT_SCRIPTING, label = "Run Script", description = "Run a script which content is specified as text in the 'script' parameter")
public class RunScript {

    public static final String ID = "Context.RunScript";

    @Context
    protected OperationContext ctx;

    @Param(name = "script", widget = Constants.W_MULTILINE_TEXT)
    protected String script;

    private volatile Expression expr;

    @OperationMethod
    public void run() throws Exception {
        if (expr == null) {
            String text = script.replaceAll("<", "<");
            text = text.replaceAll(">", ">");
            expr = Scripting.newExpression(text);
        }
        expr.eval(ctx);
    }

}