org.jopendocument.dom.template.statements.SetStmt Maven / Gradle / Ivy
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* Copyright 2008-2013 jOpenDocument, by ILM Informatique. All rights reserved.
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package org.jopendocument.dom.template.statements;
import org.jopendocument.dom.template.TemplateException;
import org.jopendocument.dom.template.engine.DataModel;
import org.jopendocument.dom.template.engine.Processor;
import org.jdom.Element;
public class SetStmt extends BaseStatement {
public SetStmt() {
super("set");
}
@SuppressWarnings("unchecked")
public void prepare(Element script, Element command) throws TemplateException {
String var = command.getAttributeValue("var");
if (var == null) {
throw new TemplateException("missing required attribute \"var\" for \"set\" tag");
}
String value = command.getAttributeValue("value");
if (value == null) {
throw new TemplateException("missing required attribute \"value\" for \"set\" tag");
}
Element parent = script.getParentElement();
final Element setTag = getElement(this.getName()).setAttribute("var", var).setAttribute("value", value);
int index = parent.indexOf(script);
parent.getContent().add(index, setTag);
script.detach();
}
public void execute(Processor processor, Element tag, DataModel model) throws TemplateException {
String var = tag.getAttributeValue("var");
String valueExpression = tag.getAttributeValue("value");
model.put(var, model.eval(valueExpression));
tag.detach();
}
}