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XML/XHTML/HTML5 template engine for Java
/*
* =============================================================================
*
* Copyright (c) 2011-2014, The THYMELEAF team (http://www.thymeleaf.org)
*
* 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 org.thymeleaf.standard.processor.attr;
import java.util.List;
import org.thymeleaf.Arguments;
import org.thymeleaf.Configuration;
import org.thymeleaf.dom.Element;
import org.thymeleaf.exceptions.TemplateAssertionException;
import org.thymeleaf.processor.IAttributeNameProcessorMatcher;
import org.thymeleaf.processor.attr.AbstractAssertionAttrProcessor;
import org.thymeleaf.standard.expression.ExpressionSequence;
import org.thymeleaf.standard.expression.ExpressionSequenceUtils;
import org.thymeleaf.standard.expression.IStandardExpression;
import org.thymeleaf.util.EvaluationUtil;
import org.thymeleaf.util.StringUtils;
/**
*
* @author Daniel Fernández
*
* @since 2.1.0
*
*/
public abstract class AbstractStandardAssertionAttrProcessor
extends AbstractAssertionAttrProcessor {
protected AbstractStandardAssertionAttrProcessor(final IAttributeNameProcessorMatcher matcher) {
super(matcher);
}
protected AbstractStandardAssertionAttrProcessor(final String attributeName) {
super(attributeName);
}
@Override
protected final void checkAssertions(final Arguments arguments,
final Element element, final String attributeName, final String attributeValue) {
if (StringUtils.isEmptyOrWhitespace(attributeValue)) {
return;
}
final Configuration configuration = arguments.getConfiguration();
final ExpressionSequence expressionSequence =
ExpressionSequenceUtils.parseExpressionSequence(configuration, arguments, attributeValue);
final List expressions = expressionSequence.getExpressions();
for (final IStandardExpression expression : expressions) {
final Object expressionResult = expression.execute(arguments.getConfiguration(), arguments);
final boolean expressionBooleanResult = EvaluationUtil.evaluateAsBoolean(expressionResult);
if (!expressionBooleanResult) {
throw new TemplateAssertionException(expression.getStringRepresentation(),
arguments.getTemplateName(), element.getLineNumber());
}
}
}
}