| /******************************************************************************* |
| * 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.sling.scripting.sightly.impl.engine; |
| |
| import java.io.PrintWriter; |
| import javax.script.Bindings; |
| import javax.script.CompiledScript; |
| import javax.script.ScriptContext; |
| import javax.script.ScriptEngine; |
| import javax.script.ScriptException; |
| import javax.script.SimpleBindings; |
| |
| import org.apache.sling.api.SlingHttpServletRequest; |
| import org.apache.sling.api.scripting.SlingBindings; |
| import org.apache.sling.api.scripting.SlingScriptConstants; |
| import org.apache.sling.scripting.sightly.SightlyException; |
| import org.apache.sling.scripting.sightly.impl.engine.runtime.RenderContextImpl; |
| import org.apache.sling.scripting.sightly.java.compiler.RenderUnit; |
| import org.apache.sling.scripting.sightly.render.RenderContext; |
| |
| public class SightlyCompiledScript extends CompiledScript { |
| |
| private ScriptEngine scriptEngine; |
| private RenderUnit renderUnit; |
| |
| public SightlyCompiledScript(ScriptEngine scriptEngine, RenderUnit renderUnit) { |
| this.scriptEngine = scriptEngine; |
| this.renderUnit = renderUnit; |
| } |
| |
| @Override |
| public Object eval(ScriptContext context) throws ScriptException { |
| Bindings bindings = context.getBindings(ScriptContext.ENGINE_SCOPE); |
| SlingBindings slingBindings = new SlingBindings(); |
| slingBindings.putAll(bindings); |
| SlingHttpServletRequest request = slingBindings.getRequest(); |
| if (request == null) { |
| throw new SightlyException("Missing SlingHttpServletRequest from ScriptContext."); |
| } |
| Object oldBindings = request.getAttribute(SlingBindings.class.getName()); |
| try { |
| request.setAttribute(SlingBindings.class.getName(), slingBindings); |
| RenderContext renderContext = new RenderContextImpl(context); |
| PrintWriter out = new PrintWriter(context.getWriter()); |
| renderUnit.render(out, renderContext, new SimpleBindings()); |
| } finally { |
| request.setAttribute(SlingBindings.class.getName(), oldBindings); |
| } |
| return null; |
| } |
| |
| @Override |
| public ScriptEngine getEngine() { |
| return scriptEngine; |
| } |
| |
| public RenderUnit getRenderUnit() { |
| return renderUnit; |
| } |
| } |