+++ /dev/null
-package be.nikiroo.utils.streams;
-
-import java.io.IOException;
-import java.io.OutputStream;
-
-/**
- * This {@link OutputStream} will change some of its content by replacing it
- * with something else.
- *
- * @author niki
- */
-public class ReplaceOutputStream extends BufferedOutputStream {
- private byte[] from;
- private byte[] to;
-
- /**
- * Create a {@link ReplaceOutputStream} that will replace <tt>from</tt> with
- * <tt>to</tt>.
- *
- * @param out
- * the under-laying {@link OutputStream}
- * @param from
- * the {@link String} to replace
- * @param to
- * the {@link String} to replace with
- */
- public ReplaceOutputStream(OutputStream out, String from, String to) {
- this(out, StreamUtils.bytes(from), StreamUtils.bytes(to));
- }
-
- /**
- * Create a {@link ReplaceOutputStream} that will replace <tt>from</tt> with
- * <tt>to</tt>.
- *
- * @param out
- * the under-laying {@link OutputStream}
- * @param from
- * the value to replace
- * @param to
- * the value to replace with
- */
- public ReplaceOutputStream(OutputStream out, byte[] from, byte[] to) {
- super(out);
- bypassFlush = false;
-
- this.from = from;
- this.to = to;
- }
-
- @Override
- protected void flush(boolean includingSubStream) throws IOException {
- // Note: very simple, not efficient implementation, sorry.
- while (start < stop) {
- if (from.length > 0
- && StreamUtils.startsWith(from, buffer, start, stop)) {
- out.write(to);
- bytesWritten += to.length;
- start += from.length;
- } else {
- out.write(buffer[start++]);
- bytesWritten++;
- }
- }
-
- start = 0;
- stop = 0;
-
- if (includingSubStream) {
- out.flush();
- }
- }
-}