| /* |
| * Copyright (c) 2010, 2013, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. Oracle designates this |
| * particular file as subject to the "Classpath" exception as provided |
| * by Oracle in the LICENSE file that accompanied this code. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| package jdk.nashorn.ant; |
| |
| import javax.script.ScriptEngine; |
| import javax.script.ScriptEngineManager; |
| import javax.script.ScriptException; |
| import org.apache.tools.ant.Project; |
| import org.apache.tools.ant.Task; |
| import org.apache.tools.ant.BuildException; |
| |
| /** |
| * This class implements an ant task to evaluate nashorn scripts |
| * from ant projects. |
| */ |
| public final class NashornTask extends Task { |
| // Underlying nashorn script engine |
| private final ScriptEngine engine; |
| // the current ant project |
| private Project project; |
| // the script evaluated by this task |
| private String script; |
| |
| public NashornTask() { |
| final ScriptEngineManager m = new ScriptEngineManager(); |
| this.engine = m.getEngineByName("nashorn"); |
| } |
| |
| @Override |
| public void setProject(Project proj) { |
| this.project = proj; |
| } |
| |
| // set the script to be evaluated |
| public void addText(String text) { |
| this.script = text; |
| } |
| |
| @Override |
| public void execute() { |
| // expose project as "project" variable |
| engine.put("project", project); |
| // expose this task as "self" variable |
| engine.put("self", this); |
| |
| // evaluate specified script |
| try { |
| engine.eval(script); |
| } catch (final ScriptException se) { |
| throw new BuildException(se); |
| } |
| } |
| } |