org.primefaces.expression.impl.Jsf23WidgetVarSearchKeywordResolver Maven / Gradle / Ivy
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* Copyright (c) 2009-2023 PrimeTek Informatics
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package org.primefaces.expression.impl;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
import javax.faces.FacesException;
import javax.faces.component.UIComponent;
import javax.faces.component.search.SearchExpressionContext;
import javax.faces.component.search.SearchKeywordContext;
import javax.faces.component.search.SearchKeywordResolver;
import org.primefaces.expression.SearchExpressionUtils;
public class Jsf23WidgetVarSearchKeywordResolver extends SearchKeywordResolver {
private static final Pattern PATTERN = Pattern.compile("widgetVar\\((\\w+)\\)");
@Override
public boolean isResolverForKeyword(SearchExpressionContext searchExpressionContext, String keyword) {
return keyword != null && keyword.startsWith("widgetVar(");
}
@Override
public void resolve(SearchKeywordContext context, UIComponent current, String keyword) {
try {
Matcher matcher = PATTERN.matcher(keyword);
if (matcher.matches()) {
WidgetVarVisitCallback visitCallback = new WidgetVarVisitCallback(matcher.group(1));
context.getSearchExpressionContext().getFacesContext().getViewRoot().visitTree(
SearchExpressionUtils.createVisitContext(
context.getSearchExpressionContext().getFacesContext(), SearchExpressionUtils.SET_SKIP_UNRENDERED),
visitCallback);
context.invokeContextCallback(visitCallback.getComponent());
}
else {
throw new FacesException("Expression does not match following pattern @widgetVar(var). Expression: \"" + keyword + "\"");
}
}
catch (Exception e) {
throw new FacesException("Expression does not match following pattern @widgetVar(var). Expression: \"" + keyword + "\"", e);
}
}
}