rt/emul/mini/src/main/java/java/lang/Appendable.java
changeset 772 d382dacfd73f
parent 554 05224402145d
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/rt/emul/mini/src/main/java/java/lang/Appendable.java	Tue Feb 26 16:54:16 2013 +0100
     1.3 @@ -0,0 +1,121 @@
     1.4 +/*
     1.5 + * Copyright (c) 2003, 2004, Oracle and/or its affiliates. All rights reserved.
     1.6 + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
     1.7 + *
     1.8 + * This code is free software; you can redistribute it and/or modify it
     1.9 + * under the terms of the GNU General Public License version 2 only, as
    1.10 + * published by the Free Software Foundation.  Oracle designates this
    1.11 + * particular file as subject to the "Classpath" exception as provided
    1.12 + * by Oracle in the LICENSE file that accompanied this code.
    1.13 + *
    1.14 + * This code is distributed in the hope that it will be useful, but WITHOUT
    1.15 + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
    1.16 + * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
    1.17 + * version 2 for more details (a copy is included in the LICENSE file that
    1.18 + * accompanied this code).
    1.19 + *
    1.20 + * You should have received a copy of the GNU General Public License version
    1.21 + * 2 along with this work; if not, write to the Free Software Foundation,
    1.22 + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
    1.23 + *
    1.24 + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
    1.25 + * or visit www.oracle.com if you need additional information or have any
    1.26 + * questions.
    1.27 + */
    1.28 +
    1.29 +package java.lang;
    1.30 +
    1.31 +import java.io.IOException;
    1.32 +
    1.33 +/**
    1.34 + * An object to which <tt>char</tt> sequences and values can be appended.  The
    1.35 + * <tt>Appendable</tt> interface must be implemented by any class whose
    1.36 + * instances are intended to receive formatted output from a {@link
    1.37 + * java.util.Formatter}.
    1.38 + *
    1.39 + * <p> The characters to be appended should be valid Unicode characters as
    1.40 + * described in <a href="Character.html#unicode">Unicode Character
    1.41 + * Representation</a>.  Note that supplementary characters may be composed of
    1.42 + * multiple 16-bit <tt>char</tt> values.
    1.43 + *
    1.44 + * <p> Appendables are not necessarily safe for multithreaded access.  Thread
    1.45 + * safety is the responsibility of classes that extend and implement this
    1.46 + * interface.
    1.47 + *
    1.48 + * <p> Since this interface may be implemented by existing classes
    1.49 + * with different styles of error handling there is no guarantee that
    1.50 + * errors will be propagated to the invoker.
    1.51 + *
    1.52 + * @since 1.5
    1.53 + */
    1.54 +public interface Appendable {
    1.55 +
    1.56 +    /**
    1.57 +     * Appends the specified character sequence to this <tt>Appendable</tt>.
    1.58 +     *
    1.59 +     * <p> Depending on which class implements the character sequence
    1.60 +     * <tt>csq</tt>, the entire sequence may not be appended.  For
    1.61 +     * instance, if <tt>csq</tt> is a {@link java.nio.CharBuffer} then
    1.62 +     * the subsequence to append is defined by the buffer's position and limit.
    1.63 +     *
    1.64 +     * @param  csq
    1.65 +     *         The character sequence to append.  If <tt>csq</tt> is
    1.66 +     *         <tt>null</tt>, then the four characters <tt>"null"</tt> are
    1.67 +     *         appended to this Appendable.
    1.68 +     *
    1.69 +     * @return  A reference to this <tt>Appendable</tt>
    1.70 +     *
    1.71 +     * @throws  IOException
    1.72 +     *          If an I/O error occurs
    1.73 +     */
    1.74 +    Appendable append(CharSequence csq) throws IOException;
    1.75 +
    1.76 +    /**
    1.77 +     * Appends a subsequence of the specified character sequence to this
    1.78 +     * <tt>Appendable</tt>.
    1.79 +     *
    1.80 +     * <p> An invocation of this method of the form <tt>out.append(csq, start,
    1.81 +     * end)</tt> when <tt>csq</tt> is not <tt>null</tt>, behaves in
    1.82 +     * exactly the same way as the invocation
    1.83 +     *
    1.84 +     * <pre>
    1.85 +     *     out.append(csq.subSequence(start, end)) </pre>
    1.86 +     *
    1.87 +     * @param  csq
    1.88 +     *         The character sequence from which a subsequence will be
    1.89 +     *         appended.  If <tt>csq</tt> is <tt>null</tt>, then characters
    1.90 +     *         will be appended as if <tt>csq</tt> contained the four
    1.91 +     *         characters <tt>"null"</tt>.
    1.92 +     *
    1.93 +     * @param  start
    1.94 +     *         The index of the first character in the subsequence
    1.95 +     *
    1.96 +     * @param  end
    1.97 +     *         The index of the character following the last character in the
    1.98 +     *         subsequence
    1.99 +     *
   1.100 +     * @return  A reference to this <tt>Appendable</tt>
   1.101 +     *
   1.102 +     * @throws  IndexOutOfBoundsException
   1.103 +     *          If <tt>start</tt> or <tt>end</tt> are negative, <tt>start</tt>
   1.104 +     *          is greater than <tt>end</tt>, or <tt>end</tt> is greater than
   1.105 +     *          <tt>csq.length()</tt>
   1.106 +     *
   1.107 +     * @throws  IOException
   1.108 +     *          If an I/O error occurs
   1.109 +     */
   1.110 +    Appendable append(CharSequence csq, int start, int end) throws IOException;
   1.111 +
   1.112 +    /**
   1.113 +     * Appends the specified character to this <tt>Appendable</tt>.
   1.114 +     *
   1.115 +     * @param  c
   1.116 +     *         The character to append
   1.117 +     *
   1.118 +     * @return  A reference to this <tt>Appendable</tt>
   1.119 +     *
   1.120 +     * @throws  IOException
   1.121 +     *          If an I/O error occurs
   1.122 +     */
   1.123 +    Appendable append(char c) throws IOException;
   1.124 +}