/*
* Copyright 2007 The authors
* 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 com.intellij.struts2.dom;
import com.intellij.util.xml.*;
import java.util.Collection;
/**
* Exclude the current element from completion/resolving variants. The element must have a {@link NameValue} annotation.
*
* @author Yann Cébron
*/
public abstract class FilterCurrentElementInVariantsResolvingConverter<T extends DomElement>
extends ResolvingConverter<T> {
protected Collection<? extends T> filterVariants(final ConvertContext context,
final Collection<? extends T> allVariants) {
//noinspection unchecked
final T currentElement = (T) DomUtil.getDomElement(context.getTag());
assert currentElement != null : "currentElement was null for " + context.getTag();
final GenericDomValue currentNameElement = currentElement.getGenericInfo().getNameDomElement(currentElement);
if (currentNameElement == null) {
return allVariants; // skip due to XML errors
}
final String currentName = currentNameElement.getStringValue();
if (currentName == null) {
return allVariants; // skip due to XML errors
}
final T currentElementInVariants = DomUtil.findByName(allVariants, currentName);
if (currentElementInVariants != null) {
//noinspection SuspiciousMethodCalls
allVariants.remove(currentElementInVariants);
}
return allVariants;
}
}