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/*
* Copyright 2000-2014 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.psi;
import com.intellij.psi.search.GlobalSearchScope;
import org.jetbrains.annotations.NotNull;
/**
* Represents an array type.
*
* @author max
*/
public class PsiArrayType extends PsiType.Stub {
private final PsiType myComponentType;
/**
* Creates an array type with the specified component type.
*
* @param componentType the type of the array component.
*/
public PsiArrayType(@NotNull PsiType componentType) {
this(componentType, PsiAnnotation.EMPTY_ARRAY);
}
public PsiArrayType(@NotNull PsiType componentType, @NotNull PsiAnnotation[] annotations) {
super(annotations);
myComponentType = componentType;
}
@NotNull
@Override
public String getPresentableText() {
return getText(myComponentType.getPresentableText(), "[]", false, true);
}
@NotNull
@Override
public String getCanonicalText(boolean annotated) {
return getText(myComponentType.getCanonicalText(annotated), "[]", true, annotated);
}
@NotNull
@Override
public String getInternalCanonicalText() {
return getText(myComponentType.getInternalCanonicalText(), "[]", true, true);
}
protected String getText(@NotNull String prefix, @NotNull String suffix, boolean qualified, boolean annotated) {
StringBuilder sb = new StringBuilder(prefix.length() + suffix.length());
sb.append(prefix);
if (annotated) {
PsiAnnotation[] annotations = getAnnotations();
if (annotations.length != 0) {
sb.append(' ');
PsiNameHelper.appendAnnotations(sb, annotations, qualified);
}
}
sb.append(suffix);
return sb.toString();
}
@Override
public boolean isValid() {
return myComponentType.isValid();
}
@Override
public boolean equalsToText(@NotNull String text) {
return text.endsWith("[]") && myComponentType.equalsToText(text.substring(0, text.length() - 2));
}
@Override
public <A> A accept(@NotNull PsiTypeVisitor<A> visitor) {
return visitor.visitArrayType(this);
}
@Override
public GlobalSearchScope getResolveScope() {
return myComponentType.getResolveScope();
}
@Override
@NotNull
public PsiType[] getSuperTypes() {
final PsiType[] superTypes = myComponentType.getSuperTypes();
final PsiType[] result = createArray(superTypes.length);
for (int i = 0; i < superTypes.length; i++) {
result[i] = superTypes[i].createArrayType();
}
return result;
}
/**
* Returns the component type of the array.
*
* @return the component type instance.
*/
@NotNull
public PsiType getComponentType() {
return myComponentType;
}
public boolean equals(Object obj) {
return obj != null && getClass().equals(obj.getClass()) && myComponentType.equals(((PsiArrayType)obj).getComponentType());
}
public int hashCode() {
return myComponentType.hashCode() * 3;
}
}
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