src/share/jaxws_classes/com/sun/xml/internal/messaging/saaj/packaging/mime/internet/SharedInputStream.java

changeset 0
373ffda63c9a
child 637
9c07ef4934dd
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/src/share/jaxws_classes/com/sun/xml/internal/messaging/saaj/packaging/mime/internet/SharedInputStream.java	Wed Apr 27 01:27:09 2016 +0800
     1.3 @@ -0,0 +1,78 @@
     1.4 +/*
     1.5 + * Copyright (c) 1997, 2012, 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 +/*
    1.30 + * @(#)SharedInputStream.java 1.2 02/03/27
    1.31 + */
    1.32 +
    1.33 +
    1.34 +
    1.35 +package com.sun.xml.internal.messaging.saaj.packaging.mime.internet;
    1.36 +
    1.37 +import java.io.InputStream;
    1.38 +import java.io.OutputStream;
    1.39 +
    1.40 +// SAAJ doesn't utilize this, but I think it should.
    1.41 +/**
    1.42 + * An InputStream that is backed by data that can be shared by multiple
    1.43 + * readers may implement this interface.  This allows users of such an
    1.44 + * InputStream to determine the current positionin the InputStream, and
    1.45 + * to create new InputStreams representing a subset of the data in the
    1.46 + * original InputStream.  The new InputStream will access the same
    1.47 + * underlying data as the original, without copying the data.
    1.48 + *
    1.49 + * @version 1.2, 02/03/27
    1.50 + * @author  Bill Shannon
    1.51 + * @since JavaMail 1.2
    1.52 + */
    1.53 +
    1.54 +public interface SharedInputStream {
    1.55 +    /**
    1.56 +     * Return the current position in the InputStream, as an
    1.57 +     * offset from the beginning of the InputStream.
    1.58 +     *
    1.59 +     * @return  the current position
    1.60 +     */
    1.61 +    public long getPosition();
    1.62 +
    1.63 +    /**
    1.64 +     * Return a new InputStream representing a subset of the data
    1.65 +     * from this InputStream, starting at <code>start</code> (inclusive)
    1.66 +     * up to <code>end</code> (exclusive).  <code>start</code> must be
    1.67 +     * non-negative.  If <code>end</code> is -1, the new stream ends
    1.68 +     * at the same place as this stream.  The returned InputStream
    1.69 +     * will also implement the SharedInputStream interface.
    1.70 +     *
    1.71 +     * @param   start   the starting position
    1.72 +     * @param   end     the ending position + 1
    1.73 +     * @return          the new stream
    1.74 +     */
    1.75 +    public InputStream newStream(long start, long end);
    1.76 +
    1.77 +    /**
    1.78 +     * Writes the specified region to another {@link OutputStream}.
    1.79 +     */
    1.80 +    public void writeTo(long start,long end, OutputStream out);
    1.81 +}

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