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

set shared flag when toByteArray is called and if it is set then copy byte buffer on write

Browse Source
This commit is contained in:
Maxim.Mossienko
2014-02-05 18:58:50 +01:00
parent 0922b728f5
commit 4c780db3b7
1 changed files with 9 additions and 7 deletions
Download Patch File Download Diff File Expand all files Collapse all files
platform/util/src/com/intellij/util/io/UnsyncByteArrayOutputStream.java
+9 -7
View File
@@ -24,6 +24,7 @@ import java.util.Arrays;
public class UnsyncByteArrayOutputStream extends OutputStream {
protected byte[] myBuffer;
protected int myCount;
private boolean myIsShared;
public UnsyncByteArrayOutputStream() {
this(32);
@@ -36,8 +37,9 @@ public class UnsyncByteArrayOutputStream extends OutputStream {
@Override
public void write(int b) {
int newcount = myCount + 1;
if (newcount > myBuffer.length) {
myBuffer = Arrays.copyOf(myBuffer, Math.max(myBuffer.length << 1, newcount));
if (newcount > myBuffer.length || myIsShared) {
myBuffer = Arrays.copyOf(myBuffer, newcount > myBuffer.length ? Math.max(myBuffer.length << 1, newcount):myBuffer.length);
myIsShared = false;
}
myBuffer[myCount] = (byte)b;
myCount = newcount;
@@ -52,8 +54,9 @@ public class UnsyncByteArrayOutputStream extends OutputStream {
return;
}
int newcount = myCount + len;
if (newcount > myBuffer.length) {
myBuffer = Arrays.copyOf(myBuffer, Math.max(myBuffer.length << 1, newcount));
if (newcount > myBuffer.length || myIsShared) {
myBuffer = Arrays.copyOf(myBuffer, newcount > myBuffer.length ? Math.max(myBuffer.length << 1, newcount): myBuffer.length);
myIsShared = false;
}
System.arraycopy(b, off, myBuffer, myCount, len);
myCount = newcount;
@@ -69,9 +72,8 @@ public class UnsyncByteArrayOutputStream extends OutputStream {
public byte[] toByteArray() {
if (myBuffer.length == myCount) {
byte[] buffer = myBuffer;
myBuffer = ArrayUtil.EMPTY_BYTE_ARRAY;
return buffer;
myIsShared = true;
return myBuffer;
}
return Arrays.copyOf(myBuffer, myCount);
}