freemarker.core.BuiltInForSequence Maven / Gradle / Ivy
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* Licensed to the Apache Software Foundation (ASF) under one
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* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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,
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package freemarker.core;
import freemarker.template.TemplateException;
import freemarker.template.TemplateModel;
import freemarker.template.TemplateModelException;
import freemarker.template.TemplateSequenceModel;
abstract class BuiltInForSequence extends BuiltIn {
@Override
TemplateModel _eval(Environment env)
throws TemplateException {
TemplateModel model = target.eval(env);
if (!(model instanceof TemplateSequenceModel)) {
throw new NonSequenceException(target, model, env);
}
return calculateResult((TemplateSequenceModel) model);
}
abstract TemplateModel calculateResult(TemplateSequenceModel tsm)
throws TemplateModelException;
}