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authorRoman Shevchenko <roman.shevchenko@jetbrains.com>2014-09-29 13:15:57 +0200
committerRoman Shevchenko <roman.shevchenko@jetbrains.com>2014-09-29 13:15:57 +0200
commit5349ad435b3659f2e58fec2a04d0e581456f2351 (patch)
tree674ca9a01e7c6ae0e10d8a1361cdacb916b4d9c8 /src/org/jetbrains
parent4638144fad4a887058c81eea058836372380de0c (diff)
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IDEA-130478 (optimization of 6fcac6a5: less short-lived objects)
Diffstat (limited to 'src/org/jetbrains')
-rw-r--r--src/org/jetbrains/java/decompiler/util/InterpreterUtil.java28
1 files changed, 13 insertions, 15 deletions
diff --git a/src/org/jetbrains/java/decompiler/util/InterpreterUtil.java b/src/org/jetbrains/java/decompiler/util/InterpreterUtil.java
index 0644b69..dfd8b75 100644
--- a/src/org/jetbrains/java/decompiler/util/InterpreterUtil.java
+++ b/src/org/jetbrains/java/decompiler/util/InterpreterUtil.java
@@ -62,29 +62,27 @@ public class InterpreterUtil {
}
public static byte[] getBytes(ZipFile archive, ZipEntry entry) throws IOException {
- return readAndClose(archive.getInputStream(entry), entry.getSize());
+ return readAndClose(archive.getInputStream(entry), (int)entry.getSize());
}
public static byte[] getBytes(File file) throws IOException {
- return readAndClose(new FileInputStream(file), file.length());
+ return readAndClose(new FileInputStream(file), (int)file.length());
}
- private static byte[] readAndClose(InputStream stream, long length) throws IOException {
-
+ private static byte[] readAndClose(InputStream stream, int length) throws IOException {
try {
- byte[] bytes = new byte[(int) length];
- DataInputStream dataStream = new DataInputStream(stream);
-
- try {
- dataStream.readFully(bytes);
- } catch (EOFException ex) {
- throw new IOException("premature end of stream", ex);
- } finally {
- dataStream.close();
+ byte[] bytes = new byte[length];
+ int n = 0, off = 0;
+ while (n < length) {
+ int count = stream.read(bytes, off + n, length - n);
+ if (count < 0) {
+ throw new IOException("premature end of stream");
+ }
+ n += count;
}
-
return bytes;
- } finally {
+ }
+ finally {
stream.close();
}
}