X-Git-Url: http://git.nikiroo.be/?p=fanfix.git;a=blobdiff_plain;f=src%2Fbe%2Fnikiroo%2Futils%2Fstreams%2FReplaceInputStream.java;fp=src%2Fbe%2Fnikiroo%2Futils%2Fstreams%2FReplaceInputStream.java;h=0000000000000000000000000000000000000000;hp=1cc5139beae1e012053f62dece957076add4dfee;hb=46add0670fdee4bd936a13fe2448c5e20a7ffd0a;hpb=1b5197ed4ceec2025a9a40c417b37c646b756138

diff --git a/src/be/nikiroo/utils/streams/ReplaceInputStream.java b/src/be/nikiroo/utils/streams/ReplaceInputStream.java
deleted file mode 100644
index 1cc5139..0000000
--- a/src/be/nikiroo/utils/streams/ReplaceInputStream.java
+++ /dev/null
@@ -1,162 +0,0 @@
-package be.nikiroo.utils.streams;
-
-import java.io.IOException;
-import java.io.InputStream;
-
-import be.nikiroo.utils.StringUtils;
-
-/**
- * This {@link InputStream} will change some of its content by replacing it with
- * something else.
- * 
- * @author niki
- */
-public class ReplaceInputStream extends BufferedInputStream {
-	/**
-	 * The minimum size of the internal buffer (could be more if at least one of
-	 * the 'FROM' bytes arrays is > 2048 bytes — in that case the
-	 * buffer will be twice the largest size of the 'FROM' bytes arrays).
-	 * <p>
-	 * This is a different buffer than the one from the inherited class.
-	 */
-	static private final int MIN_BUFFER_SIZE = 4096;
-
-	private byte[][] froms;
-	private byte[][] tos;
-	private int maxFromSize;
-	private int maxToSize;
-
-	private byte[] source;
-	private int spos;
-	private int slen;
-
-	/**
-	 * Create a {@link ReplaceInputStream} that will replace <tt>from</tt> with
-	 * <tt>to</tt>.
-	 * 
-	 * @param in
-	 *            the under-laying {@link InputStream}
-	 * @param from
-	 *            the {@link String} to replace
-	 * @param to
-	 *            the {@link String} to replace with
-	 */
-	public ReplaceInputStream(InputStream in, String from, String to) {
-		this(in, StringUtils.getBytes(from), StringUtils.getBytes(to));
-	}
-
-	/**
-	 * Create a {@link ReplaceInputStream} that will replace <tt>from</tt> with
-	 * <tt>to</tt>.
-	 * 
-	 * @param in
-	 *            the under-laying {@link InputStream}
-	 * @param from
-	 *            the value to replace
-	 * @param to
-	 *            the value to replace with
-	 */
-	public ReplaceInputStream(InputStream in, byte[] from, byte[] to) {
-		this(in, new byte[][] { from }, new byte[][] { to });
-	}
-
-	/**
-	 * Create a {@link ReplaceInputStream} that will replace all <tt>froms</tt>
-	 * with <tt>tos</tt>.
-	 * <p>
-	 * Note that they will be replaced in order, and that for each <tt>from</tt>
-	 * a <tt>to</tt> must correspond.
-	 * 
-	 * @param in
-	 *            the under-laying {@link InputStream}
-	 * @param froms
-	 *            the values to replace
-	 * @param tos
-	 *            the values to replace with
-	 */
-	public ReplaceInputStream(InputStream in, String[] froms, String[] tos) {
-		this(in, StreamUtils.getBytes(froms), StreamUtils.getBytes(tos));
-	}
-
-	/**
-	 * Create a {@link ReplaceInputStream} that will replace all <tt>froms</tt>
-	 * with <tt>tos</tt>.
-	 * <p>
-	 * Note that they will be replaced in order, and that for each <tt>from</tt>
-	 * a <tt>to</tt> must correspond.
-	 * 
-	 * @param in
-	 *            the under-laying {@link InputStream}
-	 * @param froms
-	 *            the values to replace
-	 * @param tos
-	 *            the values to replace with
-	 */
-	public ReplaceInputStream(InputStream in, byte[][] froms, byte[][] tos) {
-		super(in);
-
-		if (froms.length != tos.length) {
-			throw new IllegalArgumentException(
-					"For replacing, each FROM must have a corresponding TO");
-		}
-
-		this.froms = froms;
-		this.tos = tos;
-
-		maxFromSize = 0;
-		for (int i = 0; i < froms.length; i++) {
-			maxFromSize = Math.max(maxFromSize, froms[i].length);
-		}
-
-		maxToSize = 0;
-		for (int i = 0; i < tos.length; i++) {
-			maxToSize = Math.max(maxToSize, tos[i].length);
-		}
-
-		// We need at least maxFromSize so we can iterate and replace
-		source = new byte[Math.max(2 * maxFromSize, MIN_BUFFER_SIZE)];
-		spos = 0;
-		slen = 0;
-	}
-
-	@Override
-	protected int read(InputStream in, byte[] buffer, int off, int len)
-			throws IOException {
-		if (len < maxToSize || source.length < maxToSize * 2) {
-			throw new IOException(
-					"An underlaying buffer is too small for these replace values");
-		}
-
-		// We need at least one byte of data to process
-		if (available() < Math.max(maxFromSize, 1) && !eof) {
-			spos = 0;
-			slen = in.read(source);
-		}
-
-		// Note: very simple, not efficient implementation; sorry.
-		int count = 0;
-		while (spos < slen && count < len - maxToSize) {
-			boolean replaced = false;
-			for (int i = 0; i < froms.length; i++) {
-				if (froms[i] != null && froms[i].length > 0
-						&& StreamUtils.startsWith(froms[i], source, spos, slen)) {
-					if (tos[i] != null && tos[i].length > 0) {
-						System.arraycopy(tos[i], 0, buffer, off + spos,
-								tos[i].length);
-						count += tos[i].length;
-					}
-
-					spos += froms[i].length;
-					replaced = true;
-					break;
-				}
-			}
-
-			if (!replaced) {
-				buffer[off + count++] = source[spos++];
-			}
-		}
-
-		return count;
-	}
-}