MDS/openide
1
0
Fork 0
mirror of https://gitflic.ru/project/openide/openide.git synced 2026-09-27 10:03:11 +07:00
Code Issues Packages Projects Releases Wiki Activity

versioning for snapshots_info (IDEA-141206)

Browse Source
This commit is contained in:
Maxim.Mossienko
2015-06-08 15:51:56 +02:00
parent 7ed3f273ab
commit 105d3498c6
1 changed files with 37 additions and 5 deletions
Download Patch File Download Diff File Expand all files Collapse all files
platform/platform-impl/src/com/intellij/openapi/vfs/impl/jar/JarHandler.java
+37 -5
View File
@@ -31,14 +31,12 @@ import com.intellij.openapi.vfs.VfsBundle;
import com.intellij.openapi.vfs.impl.ZipHandler;
import com.intellij.openapi.vfs.newvfs.persistent.FSRecords;
import com.intellij.openapi.vfs.newvfs.persistent.FlushingDaemon;
import com.intellij.util.io.DataExternalizer;
import com.intellij.util.io.EnumeratorStringDescriptor;
import com.intellij.util.io.IOUtil;
import com.intellij.util.io.PersistentHashMap;
import com.intellij.util.io.*;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
import java.io.*;
import java.io.DataOutputStream;
import java.nio.charset.Charset;
import java.security.MessageDigest;
import java.security.NoSuchAlgorithmException;
@@ -127,12 +125,15 @@ public class JarHandler extends ZipHandler {
sha1.update(String.valueOf(originalAttributes.length).getBytes(Charset.defaultCharset()));
sha1.update((byte)0);
byte[] buffer = new byte[20 * 1024];
byte[] buffer = new byte[Math.min(1024 * 1024, (int)originalAttributes.length)];
long totalBytes = 0;
while (true) {
int read = is.read(buffer);
if (read < 0) break;
totalBytes += read;
sha1.update(buffer, 0, read);
os.write(buffer, 0, read);
if (totalBytes == originalAttributes.length) break;
}
}
finally {
@@ -234,9 +235,40 @@ public class JarHandler extends ZipHandler {
private final long myFileLength;
private static final PersistentHashMap<String, CacheLibraryInfo> ourCachedLibraryInfo;
private static final int VERSION = 1 + (PersistentHashMapValueStorage.COMPRESSION_ENABLED ? 15 : 0);
static {
File file = new File(new File(getJarsDir()), "snapshots_info");
int currentVersion = -1;
File versionFile = new File(file.getParentFile(), file.getName() + ".version");
if (versionFile.exists()) {
DataInputStream versionStream = null;
try {
versionStream = new DataInputStream(new BufferedInputStream(new FileInputStream(versionFile)));
currentVersion = DataInputOutputUtil.readINT(versionStream);
} catch (IOException ignore) {
} finally {
try {
if (versionStream != null) versionStream.close();
} catch (IOException ignore) {}
}
}
if (currentVersion != VERSION) {
PersistentHashMap.deleteFilesStartingWith(file);
DataOutputStream versionOutputStream = null;
try {
versionOutputStream = new DataOutputStream(new BufferedOutputStream(new FileOutputStream(versionFile)));
DataInputOutputUtil.writeINT(versionOutputStream, VERSION);
} catch (IOException ignore) {}
finally {
try {
if (versionOutputStream != null) versionOutputStream.close();
} catch (IOException ignore) {}
}
}
PersistentHashMap<String, CacheLibraryInfo> info = null;
for (int i = 0; i < 2; ++i) {
try {