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Move: Fix file rename of move

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Avoid temporary file rename if the current name doesn't conflict
with other files in the target directory.
Improve protection against exceptions during the refactoring
which may prevent final rename
This commit is contained in:
Alexey Sedunov
2017-03-08 01:35:52 +03:00
parent 92fbca452d
commit 1331922963
1 changed files with 20 additions and 30 deletions
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idea/src/org/jetbrains/kotlin/idea/refactoring/move/moveDeclarations/MoveFilesWithDeclarationsProcessor.kt
+20 -30
View File
@@ -32,7 +32,7 @@ import org.jetbrains.kotlin.psi.KtFile
class MoveFilesWithDeclarationsProcessor(
project: Project,
private val sourceFiles: List<KtFile>,
targetDirectory: PsiDirectory,
private val targetDirectory: PsiDirectory,
private val targetFileName: String?,
searchInComments: Boolean,
searchInNonJavaFiles: Boolean,
@@ -43,25 +43,8 @@ class MoveFilesWithDeclarationsProcessor(
true,
searchInComments,
searchInNonJavaFiles,
MoveCallbackImpl(sourceFiles, targetFileName, moveCallback),
moveCallback,
EmptyRunnable.INSTANCE) {
class MoveCallbackImpl(
private val sourceFiles: List<KtFile>,
private val targetFileName: String?,
private val nextCallback: MoveCallback?
) : MoveCallback {
override fun refactoringCompleted() {
try {
if (targetFileName != null) {
sourceFiles.single().name = targetFileName
}
}
finally {
nextCallback?.refactoringCompleted()
}
}
}
override fun getCommandName(): String {
return if (targetFileName != null) "Move " + sourceFiles.single().name else "Move"
}
@@ -80,21 +63,28 @@ class MoveFilesWithDeclarationsProcessor(
// Assign a temporary name to file-under-move to avoid naming conflict during the refactoring
private fun renameFileTemporarily() {
if (targetFileName != null) {
val sourceFile = sourceFiles.single()
//noinspection ConstantConditions
val temporaryName = UniqueNameGenerator.generateUniqueName(
"temp",
"",
".kt",
sourceFile.containingDirectory!!.files.map { file -> file.name })
sourceFile.name = temporaryName
if (targetFileName == null || targetDirectory.findFile(targetFileName) == null) return
val sourceFile = sourceFiles.single()
val temporaryName = UniqueNameGenerator.generateUniqueName("temp", "", ".kt") {
sourceFile.containingDirectory!!.findFile(it) == null
}
sourceFile.name = temporaryName
}
override fun performRefactoring(usages: Array<UsageInfo>) {
renameFileTemporarily()
val needTemporaryRename = targetFileName != null && targetDirectory.findFile(targetFileName) != null
if (needTemporaryRename) {
renameFileTemporarily()
}
super.performRefactoring(usages)
try {
super.performRefactoring(usages)
}
finally {
if (needTemporaryRename) {
sourceFiles.single().name = targetFileName!!
}
}
}
}