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less memory

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This commit is contained in:
Alexey Kudravtsev
2012-07-18 15:19:34 +04:00
parent f3ba953bce
commit 8d0cf812de
1 changed files with 11 additions and 10 deletions
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platform/platform-impl/src/com/intellij/openapi/vfs/impl/win32/Win32Kernel.java
+11 -10
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@@ -17,12 +17,12 @@ package com.intellij.openapi.vfs.impl.win32;
import com.intellij.openapi.util.io.FileUtil;
import com.intellij.util.ArrayUtil;
import gnu.trove.THashMap;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
import java.io.FileNotFoundException;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.Map;
/**
@@ -37,13 +37,14 @@ public class Win32Kernel {
private final IdeaWin32 myKernel = new IdeaWin32();
private final Map<String, FileInfo> myCache = new HashMap<String, FileInfo>();
private final Map<String, FileInfo> myCache = new THashMap<String, FileInfo>();
void clearCache() {
myCache.clear();
}
public String[] list(String absolutePath) {
@NotNull
public String[] list(@NotNull String absolutePath) {
FileInfo[] fileInfos = myKernel.listChildren(absolutePath.replace('/', '\\') + "\\*.*");
if (fileInfos == null) {
return ArrayUtil.EMPTY_STRING_ARRAY;
@@ -64,32 +65,32 @@ public class Win32Kernel {
return ArrayUtil.toStringArray(names);
}
public void exists(String path) throws FileNotFoundException {
public void exists(@NotNull String path) throws FileNotFoundException {
getInfo(path);
}
public boolean isDirectory(String path) throws FileNotFoundException {
public boolean isDirectory(@NotNull String path) throws FileNotFoundException {
FileInfo data = getInfo(path);
return (data.attributes & FILE_ATTRIBUTE_DIRECTORY) != 0;
}
public boolean isWritable(String path) throws FileNotFoundException {
public boolean isWritable(@NotNull String path) throws FileNotFoundException {
FileInfo fileInfo = getInfo(path);
myCache.remove(path);
return (fileInfo.attributes & FILE_ATTRIBUTE_READONLY) == 0;
}
public long getTimeStamp(String path) throws FileNotFoundException {
public long getTimeStamp(@NotNull String path) throws FileNotFoundException {
long timestamp = getInfo(path).timestamp;
return timestamp / 10000 - 11644473600000l;
}
public long getLength(String path) throws FileNotFoundException {
public long getLength(@NotNull String path) throws FileNotFoundException {
return getInfo(path).length;
}
@NotNull
private FileInfo getInfo(String path) throws FileNotFoundException {
private FileInfo getInfo(@NotNull String path) throws FileNotFoundException {
FileInfo info = doGetInfo(path);
if (info == null) {
throw new FileNotFoundException(path);
@@ -98,7 +99,7 @@ public class Win32Kernel {
}
@Nullable
FileInfo doGetInfo(String path) {
FileInfo doGetInfo(@NotNull String path) {
FileInfo info = myCache.get(path);
if (info == null) {
info = myKernel.getInfo(path.replace('/', '\\'));