001/* 002 * (C) Copyright 2015 Nuxeo SA (http://nuxeo.com/) and others. 003 * 004 * All rights reserved. This program and the accompanying materials 005 * are made available under the terms of the GNU Lesser General Public License 006 * (LGPL) version 2.1 which accompanies this distribution, and is available at 007 * http://www.gnu.org/licenses/lgpl-2.1.html 008 * 009 * This library is distributed in the hope that it will be useful, 010 * but WITHOUT ANY WARRANTY; without even the implied warranty of 011 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 012 * Lesser General Public License for more details. 013 * 014 * Contributors: 015 * Stephane Lacoin <slacoin@nuxeo.com> 016 * Vladimir Pasquier <vpasquier@nuxeo.com> 017 */ 018package org.nuxeo.automation.scripting.internals; 019 020import java.util.List; 021 022import javax.script.ScriptEngine; 023import javax.script.ScriptEngineFactory; 024 025import jdk.nashorn.api.scripting.NashornScriptEngineFactory; 026 027/** 028 * This script factory configure the Nashorn engine with cache (following 029 * {@link org.nuxeo.automation.scripting.internals.ScriptingCache#enabled}) and with Class Filter. 030 * 031 * @since 7.3 032 */ 033public class ScriptingCacheClassFilter implements ScriptEngineFactory { 034 035 protected final NashornScriptEngineFactory nashornScriptEngineFactory; 036 037 protected final boolean cacheEnable; 038 039 public ScriptingCacheClassFilter(boolean cacheEnable) { 040 this.nashornScriptEngineFactory = new NashornScriptEngineFactory(); 041 this.cacheEnable = cacheEnable; 042 } 043 044 @Override 045 public ScriptEngine getScriptEngine() { 046 if (cacheEnable) { 047 return nashornScriptEngineFactory.getScriptEngine(new String[] { "-strict", "--persistent-code-cache", 048 "--class-cache-size=50" }, null, new AutomationScriptingClassFilter()); 049 } else { 050 return nashornScriptEngineFactory.getScriptEngine(new AutomationScriptingClassFilter()); 051 } 052 } 053 054 @Override 055 public String getProgram(String... statements) { 056 return nashornScriptEngineFactory.getProgram(statements); 057 } 058 059 @Override 060 public Object getParameter(String key) { 061 return nashornScriptEngineFactory.getParameter(key); 062 } 063 064 @Override 065 public String getOutputStatement(String toDisplay) { 066 return nashornScriptEngineFactory.getOutputStatement(toDisplay); 067 } 068 069 @Override 070 public List<String> getNames() { 071 return nashornScriptEngineFactory.getNames(); 072 } 073 074 @Override 075 public List<String> getMimeTypes() { 076 return nashornScriptEngineFactory.getMimeTypes(); 077 } 078 079 @Override 080 public String getMethodCallSyntax(String obj, String method, String... args) { 081 return nashornScriptEngineFactory.getMethodCallSyntax(obj, method, args); 082 } 083 084 @Override 085 public String getLanguageVersion() { 086 return nashornScriptEngineFactory.getLanguageVersion(); 087 } 088 089 @Override 090 public String getLanguageName() { 091 return nashornScriptEngineFactory.getLanguageName(); 092 } 093 094 @Override 095 public List<String> getExtensions() { 096 return nashornScriptEngineFactory.getExtensions(); 097 } 098 099 @Override 100 public String getEngineVersion() { 101 return nashornScriptEngineFactory.getEngineVersion(); 102 } 103 104 @Override 105 public String getEngineName() { 106 return nashornScriptEngineFactory.getEngineName(); 107 } 108}