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-rw-r--r--subsonic-main/src/main/java/net/sourceforge/subsonic/io/RangeOutputStream.java150
1 files changed, 0 insertions, 150 deletions
diff --git a/subsonic-main/src/main/java/net/sourceforge/subsonic/io/RangeOutputStream.java b/subsonic-main/src/main/java/net/sourceforge/subsonic/io/RangeOutputStream.java
deleted file mode 100644
index 25bc03d2..00000000
--- a/subsonic-main/src/main/java/net/sourceforge/subsonic/io/RangeOutputStream.java
+++ /dev/null
@@ -1,150 +0,0 @@
-/*
- This file is part of Subsonic.
-
- Subsonic is free software: you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation, either version 3 of the License, or
- (at your option) any later version.
-
- Subsonic is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with Subsonic. If not, see <http://www.gnu.org/licenses/>.
-
- Copyright 2009 (C) Sindre Mehus
- */
-package net.sourceforge.subsonic.io;
-
-import org.apache.commons.lang.math.Range;
-
-import java.io.FilterOutputStream;
-import java.io.IOException;
-import java.io.OutputStream;
-
-
-/**
- * Special output stream for grabbing only part of a passed stream.
- *
- * @author Sindre Mehus (based on code found on http://www.koders.com/
- */
-public class RangeOutputStream extends FilterOutputStream {
-
- /**
- * The starting index.
- */
- private long start;
-
- /**
- * The ending index.
- */
- private long end;
-
- /**
- * The current position.
- */
- protected long pos;
-
- /**
- * Wraps the given output stream in a RangeOutputStream, using the values
- * in the given range, unless the range is <code>null</code> in which case
- * the original OutputStream is returned.
- *
- * @param out The output stream to wrap in a RangeOutputStream.
- * @param range The range, may be <code>null</code>.
- * @return The possibly wrapped output stream.
- */
- public static OutputStream wrap(OutputStream out, Range range) {
- if (range == null) {
- return out;
- }
- return new RangeOutputStream(out, range.getMinimumLong(), range.getMaximumLong());
- }
-
- /**
- * Creates the stream with the passed start and end.
- *
- * @param out The stream to write to.
- * @param start The starting position.
- * @param end The ending position.
- */
- public RangeOutputStream(OutputStream out, long start, long end) {
- super(out);
- this.start = start;
- this.end = end;
- pos = 0;
- }
-
- /**
- * Writes the byte IF it is within the range, otherwise it only
- * increments the position.
- *
- * @param b The byte to write.
- * @throws IOException Thrown if there was a problem writing to the stream.
- */
- @Override
- public void write(int b) throws IOException {
- if ((pos >= start) && (pos <= end)) {
- super.write(b);
- }
- pos++;
- }
-
- /**
- * Writes the bytes IF it is within the range, otherwise it only
- * increments the position.
- *
- * @param b The bytes to write.
- * @param off The offset to start at.
- * @param len The length to write.
- * @throws IOException Thrown if there was a problem writing to the stream.
- */
- @Override
- public void write(byte[] b, int off, int len) throws IOException {
- boolean allowWrite = false;
- long newPos = pos + off, newOff = off, newLen = len;
-
- // Check to see if we are in the range
- if (newPos <= end) {
- if (newPos >= start) {
- // We are so check to make sure we don't leave it
- if (newPos + newLen > end) {
- newLen = end - newPos;
- }
-
- // Enable writing
- allowWrite = true;
- }
-
- // We aren't yet in the range, but if see if the proposed write
- // would place us there
- else if (newPos + newLen >= start) {
- // It would so, update the offset
- newOff += start - newPos;
-
- // New offset means, a new position, so update that too
- newPos = newOff + pos;
- newLen = len + (pos - newPos);
-
- // Make sure we don't go past the range
- if (newPos + newLen > end) {
- newLen = end - newPos;
- }
-
- // Enable writting
- allowWrite = true;
- }
- }
-
- // If we have enabled writing, do the write!
- if (allowWrite) {
- out.write(b, (int) newOff, (int) newLen);
- }
-
- // Move the cursor along
- pos += off + len;
- }
-}
-