001/*
002 * (C) Copyright 2006-2011 Nuxeo SA (http://nuxeo.com/) and others.
003 *
004 * Licensed under the Apache License, Version 2.0 (the "License");
005 * you may not use this file except in compliance with the License.
006 * You may obtain a copy of the License at
007 *
008 *     http://www.apache.org/licenses/LICENSE-2.0
009 *
010 * Unless required by applicable law or agreed to in writing, software
011 * distributed under the License is distributed on an "AS IS" BASIS,
012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
013 * See the License for the specific language governing permissions and
014 * limitations under the License.
015 *
016 * Contributors:
017 *     bstefanescu
018 */
019package org.nuxeo.ecm.automation.core.operations;
020
021import org.mvel2.CompileException;
022import org.nuxeo.ecm.automation.OperationContext;
023import org.nuxeo.ecm.automation.core.Constants;
024import org.nuxeo.ecm.automation.core.annotations.Context;
025import org.nuxeo.ecm.automation.core.annotations.Operation;
026import org.nuxeo.ecm.automation.core.annotations.OperationMethod;
027import org.nuxeo.ecm.automation.core.annotations.Param;
028import org.nuxeo.ecm.automation.core.scripting.Expression;
029import org.nuxeo.ecm.automation.core.scripting.Scripting;
030
031/**
032 * Save the session - TODO remove this?
033 *
034 * @author <a href="mailto:[email protected]">Bogdan Stefanescu</a>
035 */
036@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", aliases = { "Context.RunScript" })
037public class RunScript {
038
039    public static final String ID = "RunScript";
040
041    @Context
042    protected OperationContext ctx;
043
044    @Param(name = "script", widget = Constants.W_MULTILINE_TEXT)
045    protected String script;
046
047    private volatile Expression expr;
048
049    @OperationMethod
050    public void run() throws CompileException, RuntimeException {
051        if (expr == null) {
052            String text = script.replaceAll("&lt;", "<");
053            text = text.replaceAll("&gt;", ">");
054            text = text.replaceAll("&amp;", "&");
055            expr = Scripting.newExpression(text);
056        }
057        expr.eval(ctx);
058    }
059
060}