com.sun.faces.component.search.SearchKeywordResolverImplId Maven / Gradle / Ivy
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This is the master POM file for Oracle's Implementation of the JSF 2.2 Specification.
/*
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*
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*
* The contents of this file are subject to the terms of either the GNU
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* and Distribution License("CDDL") (collectively, the "License"). You
* may not use this file except in compliance with the License. You can
* obtain a copy of the License at
* https://glassfish.java.net/public/CDDL+GPL_1_1.html
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* language governing permissions and limitations under the License.
*
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* file and include the License file at packager/legal/LICENSE.txt.
*
* GPL Classpath Exception:
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* exception as provided by Oracle in the GPL Version 2 section of the License
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*
* Modifications:
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* enclosed by brackets [] replaced by your own identifying information:
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package com.sun.faces.component.search;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
import javax.faces.FacesException;
import javax.faces.component.ContextCallback;
import javax.faces.component.UIComponent;
import javax.faces.component.search.SearchExpressionContext;
import javax.faces.component.search.SearchExpressionHint;
import javax.faces.component.search.SearchKeywordContext;
import javax.faces.component.visit.VisitCallback;
import javax.faces.component.visit.VisitContext;
import javax.faces.component.visit.VisitResult;
import javax.faces.context.FacesContext;
public class SearchKeywordResolverImplId extends AbstractSearchKeywordResolverImpl {
private static final Pattern PATTERN = Pattern.compile("id\\(([\\w-]+)\\)");
@Override
public void resolve(SearchKeywordContext searchKeywordContext, UIComponent current, String keyword) {
FacesContext facesContext = searchKeywordContext.getSearchExpressionContext().getFacesContext();
String id = extractId(keyword);
if (isHintSet(searchKeywordContext.getSearchExpressionContext(), SearchExpressionHint.SKIP_VIRTUAL_COMPONENTS)) {
// Avoid visit tree because in this case we need real component instances.
// This means components inside UIData will not be scanned.
findWithId(facesContext, id, current, searchKeywordContext.getCallback());
} else {
current.visitTree(
VisitContext.createVisitContext(facesContext, null, searchKeywordContext.getSearchExpressionContext().getVisitHints()),
new VisitCallback() {
@Override
public VisitResult visit(VisitContext context, UIComponent target) {
if (id.equals(target.getId())) {
searchKeywordContext.invokeContextCallback(target);
if (isHintSet(searchKeywordContext.getSearchExpressionContext(), SearchExpressionHint.RESOLVE_SINGLE_COMPONENT)) {
return VisitResult.COMPLETE;
}
return VisitResult.ACCEPT;
} else {
return VisitResult.ACCEPT;
}
}
});
}
searchKeywordContext.setKeywordResolved(true);
}
@Override
public boolean isResolverForKeyword(SearchExpressionContext searchExpressionContext, String keyword) {
if (keyword.startsWith("id")) {
try {
Matcher matcher = PATTERN.matcher(keyword);
return matcher.matches();
} catch (Exception e) {
return false;
}
}
return false;
}
protected String extractId(String expression) {
Matcher matcher = PATTERN.matcher(expression);
if (matcher.matches()) {
return matcher.group(1);
} else {
throw new FacesException("Expression does not match following pattern @id(id). Expression: \""
+ expression + "\"");
}
}
private void findWithId(FacesContext context, String id, UIComponent base, ContextCallback callback) {
if (id.equals(base.getId())) {
callback.invokeContextCallback(context, base);
}
if (base.getFacetCount() > 0) {
for (UIComponent facet : base.getFacets().values()) {
findWithId(context, id, facet, callback);
}
}
if (base.getChildCount() > 0) {
for (int i = 0, childCount = base.getChildCount(); i < childCount; i++) {
UIComponent child = base.getChildren().get(i);
findWithId(context, id, child, callback);
}
}
}
}