Merge branch 'subtree'

[fanfix.git] / src / be / nikiroo / utils / streams / ReplaceInputStream.java

diff --git a/src/be/nikiroo/utils/streams/ReplaceInputStream.java b/src/be/nikiroo/utils/streams/ReplaceInputStream.java
deleted file mode 100644 (file)
index 5eac0b4..0000000
--- a/src/be/nikiroo/utils/streams/ReplaceInputStream.java
+++ /dev/null
@@ -1,101 +0,0 @@
-package be.nikiroo.utils.streams;
-
-import java.io.IOException;
-import java.io.InputStream;
-import java.io.UnsupportedEncodingException;
-
-/**
- * This {@link InputStream} will replace some of its content by replacing it
- * with something else.
- * 
- * @author niki
- */
-public class ReplaceInputStream extends BufferedInputStream {
-       private byte[] from;
-       private byte[] to;
-
-       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, bytes(from), bytes(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) {
-               super(in);
-               this.from = from;
-               this.to = to;
-
-               source = new byte[4096];
-               spos = 0;
-               slen = 0;
-       }
-
-       @Override
-       protected int read(InputStream in, byte[] buffer) throws IOException {
-               if (buffer.length < to.length || source.length < to.length * 2) {
-                       throw new IOException(
-                                       "An underlaying buffer is too small for this replace value");
-               }
-
-               if (spos >= slen) {
-                       spos = 0;
-                       slen = in.read(source);
-               }
-
-               // Note: very simple, not efficient implementation, sorry.
-               int count = 0;
-               while (spos < slen && count < buffer.length - to.length) {
-                       if (from.length > 0 && startsWith(from, source, spos, slen)) {
-                               System.arraycopy(to, 0, buffer, spos, to.length);
-                               count += to.length;
-                               spos += from.length;
-                       } else {
-                               buffer[count++] = source[spos++];
-                       }
-               }
-
-               return count;
-       }
-
-       /**
-        * Return the bytes array representation of the given {@link String} in
-        * UTF-8.
-        * 
-        * @param str
-        *            the string to transform into bytes
-        * @return the content in bytes
-        */
-       static private byte[] bytes(String str) {
-               try {
-                       return str.getBytes("UTF-8");
-               } catch (UnsupportedEncodingException e) {
-                       // All conforming JVM must support UTF-8
-                       e.printStackTrace();
-                       return null;
-               }
-       }
-}