/**
* Gets the current namespace for the given element.
*
* @param psiElement Current element.
* @return {@code null} on XML errors or if {@link #matchesResultType(String)} returns {@code
* false}.
*/
@Nullable
protected final String getNamespace(@NotNull final PsiElement psiElement) {
final DomElement resultElement = DomUtil.getDomElement(psiElement);
if (resultElement == null) {
return null; // XML syntax error
}
assert resultElement instanceof HasResultType
: "not instance of HasResultType: " + resultElement + ", text: " + psiElement.getText();
final ResultType effectiveResultType = ((HasResultType) resultElement).getEffectiveResultType();
if (effectiveResultType == null) {
return null;
}
final String resultType = effectiveResultType.getName().getStringValue();
if (resultType == null || !matchesResultType(resultType)) {
return null;
}
final StrutsPackage strutsPackage = resultElement.getParentOfType(StrutsPackage.class, true);
if (strutsPackage == null) {
return null; // XML syntax error
}
return strutsPackage.searchNamespace();
}
@Nullable
private AntDomMacroDef getParentMacrodef() {
final PsiElement element = getElement();
if (element == null) {
return null;
}
final DomElement domElement = DomUtil.getDomElement(element);
if (domElement == null) {
return null;
}
return domElement.getParentOfType(AntDomMacroDef.class, false);
}
public PsiElement resolve(PsiReference psiReference, boolean incompleteCode) {
final PsiElement element = psiReference.getElement();
if (element == null) {
return null;
}
final DomElement domElement = DomUtil.getDomElement(element);
if (domElement == null) {
return null;
}
final AntDomMacroDef macrodef = domElement.getParentOfType(AntDomMacroDef.class, false);
if (macrodef == null) {
return null;
}
final String name =
AntStringResolver.computeString(domElement, psiReference.getCanonicalText());
for (AntDomMacrodefAttribute attribute : macrodef.getMacroAttributes()) {
if (name.equals(attribute.getName().getStringValue())) {
final DomTarget target = DomTarget.getTarget(attribute);
return target != null ? PomService.convertToPsi(target) : null;
}
}
return null;
}