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ICU-7057 InputStream.read() does not always read all .available() bytes

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X-SVN-Rev: 35790
This commit is contained in:
Markus Scherer 2014-06-02 16:52:13 +00:00
parent e91fd1e88e
commit eee3938658
1 changed files with 12 additions and 4 deletions
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16
icu4j/main/classes/core/src/com/ibm/icu/impl/ICUBinary.java
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@ -218,14 +218,12 @@ public final class ICUBinary
try {
int avail = is.available();
byte[] bytes = new byte[avail];
int numRead = is.read(bytes);
assert numRead == avail;
readFully(is, bytes, 0, avail);
while((avail = is.available()) != 0) {
// TODO Java 6 replace new byte[] and arraycopy(): byte[] newBytes = Arrays.copyOf(bytes, bytes.length + avail);
byte[] newBytes = new byte[bytes.length + avail];
System.arraycopy(bytes, 0, newBytes, 0, bytes.length);
numRead = is.read(newBytes, bytes.length, avail);
assert numRead == avail;
readFully(is, newBytes, bytes.length, avail);
bytes = newBytes;
}
return ByteBuffer.wrap(bytes);
@ -234,6 +232,16 @@ public final class ICUBinary
}
}
private static final void readFully(InputStream is, byte[] bytes, int offset, int avail)
throws IOException {
while (avail > 0) {
int numRead = is.read(bytes, offset, avail);
assert numRead > 0;
offset += numRead;
avail -= numRead;
}
}
// private variables -------------------------------------------------
/**