kvr000 commented on code in PR #455:
URL: https://github.com/apache/commons-compress/pull/455#discussion_r1438714929
##########
src/main/java/org/apache/commons/compress/utils/IOUtils.java:
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@@ -275,6 +277,49 @@ public static byte[] readRange(final ReadableByteChannel
input, final int len) t
return output.toByteArray();
}
+ /**
+ * Writes full buffer to channel.
+ *
+ * @param channel
+ * channel to write to
+ * @param buf
+ * buffer to write
+ * @throws IOException
+ * when writing fails
+ */
+ public static void writeFully(SeekableByteChannel channel, ByteBuffer buf)
throws IOException {
+ while (buf.hasRemaining()) {
+ int remaining = buf.remaining();
+ int written = channel.write(buf);
+ if (written <= 0) {
+ throw new IOException("Failed to fully write: channel=" +
channel + " length=" + remaining + " written=" + written);
+ }
+ }
+ }
+
+ /**
+ * Writes full buffer to channel at specified position.
+ *
+ * @param channel
+ * channel to write to
+ * @param buf
+ * buffer to write
+ * @param position
+ * position to write at
+ * @throws IOException
+ * when writing fails
+ */
+ public static void writeFullyAt(FileChannel channel, ByteBuffer buf, long
position) throws IOException {
Review Comment:
Moved to package private ZipIoUtil as requested above.
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