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IJPL-207762 [command completion] move java command completion factory to FE

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GitOrigin-RevId: 8b328dba7131b5dbc966d03112f23a835943bff0
This commit is contained in:
Max Medvedev
2026-02-14 15:01:54 +00:00
committed by intellij-monorepo-bot
parent d327bf69b2
commit 2cfa848a3a
3 changed files with 2 additions and 1 deletions
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java/java-frontback-impl/resource/intellij.java.frontback.impl.xml
+2
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@@ -95,5 +95,7 @@
<declarationRangeHandler key="com.intellij.psi.PsiMethod"
implementationClass="com.intellij.codeInsight.hint.MethodDeclarationRangeHandler"/>
<codeInsight.completion.command.factory language="JAVA" implementationClass="com.intellij.codeInsight.completion.commands.JavaCommandCompletionFactory" />
</extensions>
</idea-plugin>
java/java-frontback-impl/src/com/intellij/codeInsight/completion/commands/JavaCommandCompletionFactory.java
+50
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@@ -0,0 +1,50 @@
// Copyright 2000-2026 JetBrains s.r.o. and contributors. Use of this source code is governed by the Apache 2.0 license.
package com.intellij.codeInsight.completion.commands;
import com.intellij.codeInsight.completion.command.CommandCompletionFactory;
import com.intellij.openapi.project.DumbAware;
import com.intellij.psi.JavaTokenType;
import com.intellij.psi.PsiElement;
import com.intellij.psi.PsiFile;
import com.intellij.psi.PsiJShellFile;
import com.intellij.psi.PsiJavaFile;
import com.intellij.psi.PsiJavaToken;
import com.intellij.psi.PsiParameterList;
import com.intellij.psi.PsiTypeElement;
import com.intellij.psi.util.PsiTreeUtil;
import org.jetbrains.annotations.NotNull;
class JavaCommandCompletionFactory implements CommandCompletionFactory, DumbAware {
@Override
public boolean isApplicable(@NotNull PsiFile psiFile, int offset) {
if (!(psiFile instanceof PsiJavaFile)) return false;
//Doesn't work well. Disable for now
if (psiFile instanceof PsiJShellFile) return false;
if (isInsideParameterList(psiFile, offset)) return false;
if (isInsideStringLiteral(psiFile, offset)) return false;
return true;
}
private static boolean isInsideStringLiteral(@NotNull PsiFile file, int offset) {
PsiElement elementAt = file.findElementAt(offset);
if (!(elementAt instanceof PsiJavaToken psiJavaToken &&
(psiJavaToken.getTokenType() == JavaTokenType.STRING_LITERAL ||
psiJavaToken.getTokenType() == JavaTokenType.TEXT_BLOCK_LITERAL
))) {
return false;
}
return psiJavaToken.getTextRange().containsOffset(offset);
}
private static boolean isInsideParameterList(@NotNull PsiFile psiFile, int offset) {
PsiElement elementAt = psiFile.findElementAt(offset);
if (elementAt == null) return false;
if (!(elementAt.getParent() instanceof PsiParameterList)) return false;
PsiElement prevLeaf = PsiTreeUtil.prevLeaf(elementAt, true);
if (!(prevLeaf instanceof PsiJavaToken javaToken && javaToken.textMatches("."))) return false;
PsiElement prevPrevLeaf = PsiTreeUtil.prevLeaf(prevLeaf, true);
return PsiTreeUtil.getParentOfType(prevPrevLeaf, PsiTypeElement.class) != null;
}
}