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Code Issues Releases Wiki Activity

IDEA-130478 (optimization of 6fcac6a5: less short-lived objects)

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This commit is contained in:
Roman Shevchenko 2014-09-29 13:15:57 +02:00
parent 4638144fad
commit 5349ad435b
1 changed files with 13 additions and 15 deletions
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28
src/org/jetbrains/java/decompiler/util/InterpreterUtil.java
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@ -62,29 +62,27 @@ public class InterpreterUtil {
} }
public static byte[] getBytes(ZipFile archive, ZipEntry entry) throws IOException { 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 { 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 { try {
byte[] bytes = new byte[(int) length]; byte[] bytes = new byte[length];
DataInputStream dataStream = new DataInputStream(stream); int n = 0, off = 0;
while (n < length) {
try { int count = stream.read(bytes, off + n, length - n);
dataStream.readFully(bytes); if (count < 0) {
} catch (EOFException ex) { throw new IOException("premature end of stream");
throw new IOException("premature end of stream", ex); }
} finally { n += count;
dataStream.close();
} }
return bytes; return bytes;
} finally { }
finally {
stream.close(); stream.close();
} }
} }