diff -r 000000000000 -r e3db9cca817b rt/emul/compact/src/main/java/java/io/StringReader.java
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/rt/emul/compact/src/main/java/java/io/StringReader.java	Sat Sep 28 02:02:00 2013 +0200
@@ -0,0 +1,201 @@
+/*
+ * Copyright (c) 1996, 2005, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.  Oracle designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Oracle in the LICENSE file that accompanied this code.
+ *
+ * This code 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
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+package java.io;
+
+
+/**
+ * A character stream whose source is a string.
+ *
+ * @author      Mark Reinhold
+ * @since       JDK1.1
+ */
+
+public class StringReader extends Reader {
+
+    private String str;
+    private int length;
+    private int next = 0;
+    private int mark = 0;
+
+    /**
+     * Creates a new string reader.
+     *
+     * @param s  String providing the character stream.
+     */
+    public StringReader(String s) {
+        this.str = s;
+        this.length = s.length();
+    }
+
+    /** Check to make sure that the stream has not been closed */
+    private void ensureOpen() throws IOException {
+        if (str == null)
+            throw new IOException("Stream closed");
+    }
+
+    /**
+     * Reads a single character.
+     *
+     * @return     The character read, or -1 if the end of the stream has been
+     *             reached
+     *
+     * @exception  IOException  If an I/O error occurs
+     */
+    public int read() throws IOException {
+        synchronized (lock) {
+            ensureOpen();
+            if (next >= length)
+                return -1;
+            return str.charAt(next++);
+        }
+    }
+
+    /**
+     * Reads characters into a portion of an array.
+     *
+     * @param      cbuf  Destination buffer
+     * @param      off   Offset at which to start writing characters
+     * @param      len   Maximum number of characters to read
+     *
+     * @return     The number of characters read, or -1 if the end of the
+     *             stream has been reached
+     *
+     * @exception  IOException  If an I/O error occurs
+     */
+    public int read(char cbuf[], int off, int len) throws IOException {
+        synchronized (lock) {
+            ensureOpen();
+            if ((off < 0) || (off > cbuf.length) || (len < 0) ||
+                ((off + len) > cbuf.length) || ((off + len) < 0)) {
+                throw new IndexOutOfBoundsException();
+            } else if (len == 0) {
+                return 0;
+            }
+            if (next >= length)
+                return -1;
+            int n = Math.min(length - next, len);
+            str.getChars(next, next + n, cbuf, off);
+            next += n;
+            return n;
+        }
+    }
+
+    /**
+     * Skips the specified number of characters in the stream. Returns
+     * the number of characters that were skipped.
+     *
+     * <p>The <code>ns</code> parameter may be negative, even though the
+     * <code>skip</code> method of the {@link Reader} superclass throws
+     * an exception in this case. Negative values of <code>ns</code> cause the
+     * stream to skip backwards. Negative return values indicate a skip
+     * backwards. It is not possible to skip backwards past the beginning of
+     * the string.
+     *
+     * <p>If the entire string has been read or skipped, then this method has
+     * no effect and always returns 0.
+     *
+     * @exception  IOException  If an I/O error occurs
+     */
+    public long skip(long ns) throws IOException {
+        synchronized (lock) {
+            ensureOpen();
+            if (next >= length)
+                return 0;
+            // Bound skip by beginning and end of the source
+            long n = Math.min(length - next, ns);
+            n = Math.max(-next, n);
+            next += n;
+            return n;
+        }
+    }
+
+    /**
+     * Tells whether this stream is ready to be read.
+     *
+     * @return True if the next read() is guaranteed not to block for input
+     *
+     * @exception  IOException  If the stream is closed
+     */
+    public boolean ready() throws IOException {
+        synchronized (lock) {
+        ensureOpen();
+        return true;
+        }
+    }
+
+    /**
+     * Tells whether this stream supports the mark() operation, which it does.
+     */
+    public boolean markSupported() {
+        return true;
+    }
+
+    /**
+     * Marks the present position in the stream.  Subsequent calls to reset()
+     * will reposition the stream to this point.
+     *
+     * @param  readAheadLimit  Limit on the number of characters that may be
+     *                         read while still preserving the mark.  Because
+     *                         the stream's input comes from a string, there
+     *                         is no actual limit, so this argument must not
+     *                         be negative, but is otherwise ignored.
+     *
+     * @exception  IllegalArgumentException  If readAheadLimit is < 0
+     * @exception  IOException  If an I/O error occurs
+     */
+    public void mark(int readAheadLimit) throws IOException {
+        if (readAheadLimit < 0){
+            throw new IllegalArgumentException("Read-ahead limit < 0");
+        }
+        synchronized (lock) {
+            ensureOpen();
+            mark = next;
+        }
+    }
+
+    /**
+     * Resets the stream to the most recent mark, or to the beginning of the
+     * string if it has never been marked.
+     *
+     * @exception  IOException  If an I/O error occurs
+     */
+    public void reset() throws IOException {
+        synchronized (lock) {
+            ensureOpen();
+            next = mark;
+        }
+    }
+
+    /**
+     * Closes the stream and releases any system resources associated with
+     * it. Once the stream has been closed, further read(),
+     * ready(), mark(), or reset() invocations will throw an IOException.
+     * Closing a previously closed stream has no effect.
+     */
+    public void close() {
+        str = null;
+    }
+}