com.liferay.dynamic.data.mapping.template.DDMTemplateVariableCodeHandler Maven / Gradle / Ivy
/**
* Copyright (c) 2000-present Liferay, Inc. All rights reserved.
*
* This library is free software; you can redistribute it and/or modify it under
* the terms of the GNU Lesser General Public License as published by the Free
* Software Foundation; either version 2.1 of the License, or (at your option)
* any later version.
*
* This library 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 Lesser General Public License for more
* details.
*/
package com.liferay.dynamic.data.mapping.template;
import com.liferay.petra.string.CharPool;
import com.liferay.petra.string.StringPool;
import com.liferay.portal.kernel.io.unsync.UnsyncStringWriter;
import com.liferay.portal.kernel.template.ClassLoaderTemplateResource;
import com.liferay.portal.kernel.template.Template;
import com.liferay.portal.kernel.template.TemplateConstants;
import com.liferay.portal.kernel.template.TemplateManagerUtil;
import com.liferay.portal.kernel.template.TemplateResource;
import com.liferay.portal.kernel.template.TemplateVariableCodeHandler;
import com.liferay.portal.kernel.template.TemplateVariableDefinition;
import com.liferay.portal.kernel.util.StringUtil;
import java.io.Writer;
import java.util.Set;
/**
* @author Marcellus Tavares
*/
public class DDMTemplateVariableCodeHandler
implements TemplateVariableCodeHandler {
public DDMTemplateVariableCodeHandler(
ClassLoader classLoader, String templatePath,
Set templateNames) {
_classLoader = classLoader;
_templatePath = templatePath;
_templateNames = templateNames;
}
@Override
public String[] generate(
TemplateVariableDefinition templateVariableDefinition,
String language)
throws Exception {
String templateId = getTemplateId(
templateVariableDefinition.getDataType());
Template template = getTemplate(templateId);
String content = getTemplateContent(
template, templateVariableDefinition, language);
if (templateVariableDefinition.isRepeatable()) {
content = handleRepeatableField(
templateVariableDefinition, language, content);
}
return new String[] {content};
}
protected Template getTemplate(String templateId) throws Exception {
TemplateResource templateResource = new ClassLoaderTemplateResource(
_classLoader, templateId);
return TemplateManagerUtil.getTemplate(
TemplateConstants.LANG_TYPE_FTL, templateResource, false);
}
protected String getTemplateContent(
Template template,
TemplateVariableDefinition templateVariableDefinition,
String language)
throws Exception {
prepareTemplate(template, templateVariableDefinition, language);
Writer writer = new UnsyncStringWriter();
template.processTemplate(writer);
return StringUtil.trim(writer.toString());
}
protected String getTemplateId(String dataType) {
if (!_templateNames.contains(dataType)) {
dataType = "common";
}
return getTemplatePath() + dataType + ".ftl";
}
protected String getTemplatePath() {
return _templatePath;
}
protected String handleRepeatableField(
TemplateVariableDefinition templateVariableDefinition,
String language, String templateContent)
throws Exception {
Template template = getTemplate(getTemplatePath() + "repeatable.ftl");
templateContent = StringUtil.replace(
templateContent, CharPool.NEW_LINE,
StringPool.NEW_LINE + StringPool.TAB + StringPool.TAB);
template.put("templateContent", templateContent);
return getTemplateContent(
template, templateVariableDefinition, language);
}
protected void prepareTemplate(
Template template,
TemplateVariableDefinition templateVariableDefinition,
String language) {
template.put("dataType", templateVariableDefinition.getDataType());
template.put("help", templateVariableDefinition.getHelp());
template.put("label", templateVariableDefinition.getLabel());
template.put("language", language);
template.put("name", templateVariableDefinition.getName());
template.put("repeatable", templateVariableDefinition.isRepeatable());
}
private final ClassLoader _classLoader;
private final Set _templateNames;
private final String _templatePath;
}