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/*
* Copyright 2000-2013 JetBrains s.r.o.
*
* 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.util.xml;
import com.intellij.openapi.project.Project;
import com.intellij.openapi.util.text.StringUtil;
import com.intellij.psi.PsiClass;
import com.intellij.psi.PsiElement;
import com.intellij.psi.PsiReference;
import com.intellij.psi.impl.source.resolve.reference.impl.providers.JavaClassReferenceProvider;
import com.intellij.psi.search.GlobalSearchScope;
import com.intellij.psi.util.ClassKind;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
/**
* @author Dmitry Avdeev
*/
public class PsiClassConverter extends Converter<PsiClass> implements CustomReferenceConverter<PsiClass> {
public PsiClass fromString(final String s, final ConvertContext context) {
if (StringUtil.isEmptyOrSpaces(s)) return null;
final DomElement element = context.getInvocationElement();
final GlobalSearchScope scope = element instanceof GenericDomValue ? getScope(context) : null;
return DomJavaUtil.findClass(s.trim(), context.getFile(), context.getModule(), scope);
}
@Nullable
public String getErrorMessage(@Nullable final String s, final ConvertContext context) {
return null;
}
public String toString(final PsiClass t, final ConvertContext context) {
return t == null ? null : t.getQualifiedName();
}
@NotNull
public PsiReference[] createReferences(GenericDomValue<PsiClass> genericDomValue, PsiElement element, ConvertContext context) {
ExtendClass extendClass = genericDomValue.getAnnotation(ExtendClass.class);
final JavaClassReferenceProvider provider = createClassReferenceProvider(genericDomValue, context, extendClass);
return provider.getReferencesByElement(element);
}
protected JavaClassReferenceProvider createClassReferenceProvider(final GenericDomValue<PsiClass> genericDomValue,
final ConvertContext context,
ExtendClass extendClass) {
return createJavaClassReferenceProvider(genericDomValue, extendClass, new JavaClassReferenceProvider() {
@Override
public GlobalSearchScope getScope(Project project) {
return PsiClassConverter.this.getScope(context);
}
});
}
public static JavaClassReferenceProvider createJavaClassReferenceProvider(final GenericDomValue genericDomValue,
ExtendClass extendClass,
final JavaClassReferenceProvider provider) {
if (extendClass != null) {
if (StringUtil.isNotEmpty(extendClass.value())) {
provider.setOption(JavaClassReferenceProvider.EXTEND_CLASS_NAMES, new String[]{extendClass.value()});
}
if (extendClass.instantiatable()) {
provider.setOption(JavaClassReferenceProvider.INSTANTIATABLE, Boolean.TRUE);
}
if (!extendClass.allowAbstract()) {
provider.setOption(JavaClassReferenceProvider.CONCRETE, Boolean.TRUE);
}
if (!extendClass.allowInterface()) {
provider.setOption(JavaClassReferenceProvider.NOT_INTERFACE, Boolean.TRUE);
}
if (!extendClass.allowEnum()) {
provider.setOption(JavaClassReferenceProvider.NOT_ENUM, Boolean.TRUE);
}
if (extendClass.jvmFormat()) {
provider.setOption(JavaClassReferenceProvider.JVM_FORMAT, Boolean.TRUE);
}
provider.setAllowEmpty(extendClass.allowEmpty());
}
ClassTemplate template = genericDomValue.getAnnotation(ClassTemplate.class);
if (template != null) {
if (StringUtil.isNotEmpty(template.value())) {
provider.setOption(JavaClassReferenceProvider.CLASS_TEMPLATE, template.value());
}
provider.setOption(JavaClassReferenceProvider.CLASS_KIND, template.kind());
}
provider.setSoft(true);
return provider;
}
@Nullable
protected GlobalSearchScope getScope(@NotNull ConvertContext context) {
return context.getSearchScope();
}
public static class AnnotationType extends PsiClassConverter {
@Override
protected JavaClassReferenceProvider createClassReferenceProvider(GenericDomValue<PsiClass> genericDomValue,
ConvertContext context,
ExtendClass extendClass) {
final JavaClassReferenceProvider provider = super.createClassReferenceProvider(genericDomValue, context,
extendClass);
provider.setOption(JavaClassReferenceProvider.CLASS_KIND, ClassKind.ANNOTATION);
return provider;
}
}
public static class EnumType extends PsiClassConverter {
@Override
protected JavaClassReferenceProvider createClassReferenceProvider(GenericDomValue<PsiClass> genericDomValue,
ConvertContext context,
ExtendClass extendClass) {
final JavaClassReferenceProvider provider = super.createClassReferenceProvider(genericDomValue, context,
extendClass);
provider.setOption(JavaClassReferenceProvider.CLASS_KIND, ClassKind.ENUM);
return provider;
}
}
}
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