/**
* This file is part of Jahia, next-generation open source CMS:
* Jahia's next-generation, open source CMS stems from a widely acknowledged vision
* of enterprise application convergence - web, search, document, social and portal -
* unified by the simplicity of web content management.
*
* For more information, please visit http://www.jahia.com.
*
* Copyright (C) 2002-2011 Jahia Solutions Group SA. All rights reserved.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program 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 for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
* As a special exception to the terms and conditions of version 2.0 of
* the GPL (or any later version), you may redistribute this Program in connection
* with Free/Libre and Open Source Software ("FLOSS") applications as described
* in Jahia's FLOSS exception. You should have received a copy of the text
* describing the FLOSS exception, and it is also available here:
* http://www.jahia.com/license
*
* Commercial and Supported Versions of the program (dual licensing):
* alternatively, commercial and supported versions of the program may be used
* in accordance with the terms and conditions contained in a separate
* written agreement between you and Jahia Solutions Group SA.
*
* If you are unsure which license is appropriate for your use,
* please contact the sales department at sales@jahia.com.
*/
package org.jahia.services.content.nodetypes.initializers;
import org.apache.commons.io.IOUtils;
import org.jahia.data.templates.JahiaTemplatesPackage;
import org.jahia.registries.ServicesRegistry;
import org.jahia.services.content.nodetypes.ExtendedPropertyDefinition;
import org.jahia.utils.ScriptEngineUtils;
import org.slf4j.Logger;
import javax.script.Bindings;
import javax.script.ScriptContext;
import javax.script.ScriptEngine;
import javax.script.ScriptException;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileReader;
import java.util.Collections;
import java.util.List;
import java.util.Locale;
import java.util.Map;
/**
* Script-based choice list initializer implementation.
* Evaluates the specified script to get the list of values.
*
* @author : rincevent
* @since JAHIA 6.5
* Created : 17 nov. 2009
*/
public class ScriptChoiceListInitializerImpl implements ChoiceListInitializer {
private transient static Logger logger = org.slf4j.LoggerFactory.getLogger(ScriptChoiceListInitializerImpl.class);
private ScriptEngineUtils scriptEngineUtils;
public List<ChoiceListValue> getChoiceListValues(ExtendedPropertyDefinition epd, String param,
List<ChoiceListValue> values, Locale locale,
Map<String, Object> context) {
if (param != null) {
final String extension = param.split("\\.")[1];
ScriptEngine byName;
try {
byName = scriptEngineUtils.scriptEngine(extension);
} catch (ScriptException e) {
logger.error(e.getMessage(), e);
byName = null;
}
if (byName != null) {
final List<JahiaTemplatesPackage> forModule = ServicesRegistry.getInstance().getJahiaTemplateManagerService().getAvailableTemplatePackagesForModule(
epd.getDeclaringNodeType().getName().replace(":", "_"));
final Bindings bindings = byName.getBindings(ScriptContext.ENGINE_SCOPE);
bindings.put("values", values);
for (JahiaTemplatesPackage template : forModule) {
final File scriptPath = new File(
template.getFilePath() + File.separator + "scripts" + File.separator + param);
if (scriptPath.exists()) {
FileReader scriptContent = null;
try {
scriptContent = new FileReader(scriptPath);
return (List<ChoiceListValue>) byName.eval(scriptContent, bindings);
} catch (ScriptException e) {
logger.error("Error while executing script " + scriptPath, e);
} catch (FileNotFoundException e) {
logger.error(e.getMessage(), e);
} finally {
if (scriptContent != null) {
IOUtils.closeQuietly(scriptContent);
}
}
}
}
}
}
return Collections.emptyList();
}
public void setScriptEngineUtils(ScriptEngineUtils scriptEngineUtils) {
this.scriptEngineUtils = scriptEngineUtils;
}
}