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can be converted to diamonds - like unused symbol

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This commit is contained in:
anna
2011-02-17 16:53:03 +01:00
parent 562009e6e7
commit 0398d39f8f
1 changed files with 26 additions and 23 deletions
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java/java-impl/src/com/intellij/codeInspection/ExplicitTypeCanBeDiamondInspection.java
+26 -23
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@@ -16,6 +16,7 @@
package com.intellij.codeInspection;
import com.intellij.codeInsight.daemon.GroupNames;
import com.intellij.codeInsight.intention.HighPriorityAction;
import com.intellij.openapi.project.Project;
import com.intellij.pom.java.LanguageLevel;
import com.intellij.psi.*;
@@ -71,29 +72,8 @@ public class ExplicitTypeCanBeDiamondInspection extends BaseJavaLocalInspectionT
final PsiTypeElement[] typeElements = parameterList.getTypeParameterElements();
if (typeElements.length > 0) {
if (typeElements.length == 1 && typeElements[0].getType() instanceof PsiDiamondType) return;
holder.registerProblem(parameterList, "Redundant type argument #ref #loc",
new LocalQuickFix() {
@NotNull
@Override
public String getName() {
return "Replace with <>";
}
@NotNull
@Override
public String getFamilyName() {
return getName();
}
@Override
public void applyFix(@NotNull Project project, @NotNull ProblemDescriptor descriptor) {
final PsiElement psiElement = descriptor.getPsiElement();
if (psiElement instanceof PsiReferenceParameterList) {
final PsiTypeElement[] parameterElements = ((PsiReferenceParameterList)psiElement).getTypeParameterElements();
psiElement.deleteChildRange(parameterElements[0], parameterElements[parameterElements.length - 1]);
}
}
});
holder.registerProblem(parameterList, "Redundant type argument #ref #loc",
ProblemHighlightType.LIKE_UNUSED_SYMBOL, new ReplaceWithDiamondFix());
}
}
}
@@ -101,4 +81,27 @@ public class ExplicitTypeCanBeDiamondInspection extends BaseJavaLocalInspectionT
}
};
}
private static class ReplaceWithDiamondFix implements LocalQuickFix, HighPriorityAction {
@NotNull
@Override
public String getName() {
return "Replace with <>";
}
@NotNull
@Override
public String getFamilyName() {
return getName();
}
@Override
public void applyFix(@NotNull Project project, @NotNull ProblemDescriptor descriptor) {
final PsiElement psiElement = descriptor.getPsiElement();
if (psiElement instanceof PsiReferenceParameterList) {
final PsiTypeElement[] parameterElements = ((PsiReferenceParameterList)psiElement).getTypeParameterElements();
psiElement.deleteChildRange(parameterElements[0], parameterElements[parameterElements.length - 1]);
}
}
}
}