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}). 030 * 031 * @since 7.3 032 */ 033public class ScriptingCache implements ScriptEngineFactory { 034 035 protected final NashornScriptEngineFactory nashornScriptEngineFactory; 036 037 protected final boolean enabled; 038 039 public ScriptingCache(boolean enabled) { 040 this.nashornScriptEngineFactory = new NashornScriptEngineFactory(); 041 this.enabled = enabled; 042 } 043 044 @Override 045 public ScriptEngine getScriptEngine() { 046 return enabled ? nashornScriptEngineFactory.getScriptEngine("-strict", "--persistent-code-cache", 047 "--class-cache-size=50") : nashornScriptEngineFactory.getScriptEngine(); 048 } 049 050 @Override 051 public String getProgram(String... statements) { 052 return nashornScriptEngineFactory.getProgram(statements); 053 } 054 055 @Override 056 public Object getParameter(String key) { 057 return nashornScriptEngineFactory.getParameter(key); 058 } 059 060 @Override 061 public String getOutputStatement(String toDisplay) { 062 return nashornScriptEngineFactory.getOutputStatement(toDisplay); 063 } 064 065 @Override 066 public List<String> getNames() { 067 return nashornScriptEngineFactory.getNames(); 068 } 069 070 @Override 071 public List<String> getMimeTypes() { 072 return nashornScriptEngineFactory.getMimeTypes(); 073 } 074 075 @Override 076 public String getMethodCallSyntax(String obj, String method, String... args) { 077 return nashornScriptEngineFactory.getMethodCallSyntax(obj, method, args); 078 } 079 080 @Override 081 public String getLanguageVersion() { 082 return nashornScriptEngineFactory.getLanguageVersion(); 083 } 084 085 @Override 086 public String getLanguageName() { 087 return nashornScriptEngineFactory.getLanguageName(); 088 } 089 090 @Override 091 public List<String> getExtensions() { 092 return nashornScriptEngineFactory.getExtensions(); 093 } 094 095 @Override 096 public String getEngineVersion() { 097 return nashornScriptEngineFactory.getEngineVersion(); 098 } 099 100 @Override 101 public String getEngineName() { 102 return nashornScriptEngineFactory.getEngineName(); 103 } 104}