/**
* Copyright 2015-2017 Linagora, Université Joseph Fourier, Floralis
*
* The present code is developed in the scope of the joint LINAGORA -
* Université Joseph Fourier - Floralis research program and is designated
* as a "Result" pursuant to the terms and conditions of the LINAGORA
* - Université Joseph Fourier - Floralis research program. Each copyright
* holder of Results enumerated here above fully & independently holds complete
* ownership of the complete Intellectual Property rights applicable to the whole
* of said Results, and may freely exploit it in any manner which does not infringe
* the moral rights of the other copyright holders.
*
* Licensed 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 net.roboconf.dm.templating.internal.helpers;
import java.io.IOException;
import java.util.Objects;
import net.roboconf.dm.templating.internal.contexts.VariableContextBean;
import org.apache.commons.lang3.StringUtils;
import com.github.jknack.handlebars.Helper;
import com.github.jknack.handlebars.Options;
/**
* @author Vincent Zurczak - Linagora
*/
public class IsKeyHelper implements Helper<String> {
public static final String NAME = "is-key";
/*
* (non-Javadoc)
* @see com.github.jknack.handlebars.Helper
* #apply(java.lang.Object, com.github.jknack.handlebars.Options)
*/
@Override
public CharSequence apply( String context, Options options )
throws IOException {
CharSequence result = StringUtils.EMPTY;
Object model = options.context.model();
if( model instanceof VariableContextBean ) {
String name = ((VariableContextBean) model).getName();
if( Objects.equals( name, context ))
result = ((VariableContextBean) model).getValue();
}
return result;
}
}