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use VFS to load module iml file

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This commit is contained in:
Vladimir Krivosheev
2016-12-16 10:19:24 +01:00
parent 9c78db8af0
commit 05193ca3d4
1 changed files with 37 additions and 17 deletions
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platform/configuration-store-impl/src/FileBasedStorage.kt
+37 -17
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@@ -41,6 +41,8 @@ import org.jdom.Element
import org.jdom.JDOMException
import org.jdom.Parent
import java.io.IOException
import java.nio.ByteBuffer
import java.nio.charset.StandardCharsets
import java.nio.file.Files
import java.nio.file.NoSuchFileException
import java.nio.file.Path
@@ -112,31 +114,25 @@ open class FileBasedStorage(file: Path,
override fun loadLocalData(): Element? {
blockSavingTheContent = false
val attributes: BasicFileAttributes?
try {
attributes = Files.readAttributes(file, BasicFileAttributes::class.java)
}
catch (e: NoSuchFileException) {
return null
}
catch (e: IOException) {
processReadException(e)
return null
}
// use VFS to load module file because it is refreshed and loaded into VFS in any case
if (fileSpec != StoragePathMacros.MODULE_FILE) {
return loadLocalDataUsingIo()
}
try {
if (!attributes.isRegularFile) {
val file = virtualFile
if (file == null || file.isDirectory || !file.isValid) {
LOG.debug { "Document was not loaded for $fileSpec, not a file" }
}
else if (attributes.size() == 0L) {
else if (file.length == 0L) {
processReadException(null)
}
else {
val data = file.readChars()
lineSeparator = detectLineSeparators(data, if (isUseXmlProlog) null else LineSeparator.LF)
return loadElement(data)
val charBuffer = StandardCharsets.UTF_8.decode(ByteBuffer.wrap(file.contentsToByteArray()))
lineSeparator = detectLineSeparators(charBuffer, if (isUseXmlProlog) null else LineSeparator.LF)
return JDOMUtil.loadDocument(charBuffer).detachRootElement()
}
return null
}
catch (e: JDOMException) {
processReadException(e)
@@ -147,6 +143,30 @@ open class FileBasedStorage(file: Path,
return null
}
private fun loadLocalDataUsingIo(): Element? {
val attributes: BasicFileAttributes?
try {
attributes = Files.readAttributes(file, BasicFileAttributes::class.java)
}
catch (e: NoSuchFileException) {
LOG.debug { "Document was not loaded for $fileSpec, doesn't exist" }
return null
}
if (!attributes.isRegularFile) {
LOG.debug { "Document was not loaded for $fileSpec, not a file" }
}
else if (attributes.size() == 0L) {
processReadException(null)
}
else {
val data = file.readChars()
lineSeparator = detectLineSeparators(data, if (isUseXmlProlog) null else LineSeparator.LF)
return loadElement(data)
}
return null
}
private fun processReadException(e: Exception?) {
val contentTruncated = e == null
blockSavingTheContent = !contentTruncated && (PROJECT_FILE == fileSpec || fileSpec.startsWith(PROJECT_CONFIG_DIR) || fileSpec == StoragePathMacros.MODULE_FILE || fileSpec == StoragePathMacros.WORKSPACE_FILE)