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

Thu, 31 Aug 2017 15:18:52 +0800

author
aoqi
date
Thu, 31 Aug 2017 15:18:52 +0800
changeset 637
9c07ef4934dd
parent 368
0989ad8c0860
parent 0
373ffda63c9a
permissions
-rw-r--r--

merge

aoqi@0 1 /*
aoqi@0 2 * Copyright (c) 1997, 2012, Oracle and/or its affiliates. All rights reserved.
aoqi@0 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
aoqi@0 4 *
aoqi@0 5 * This code is free software; you can redistribute it and/or modify it
aoqi@0 6 * under the terms of the GNU General Public License version 2 only, as
aoqi@0 7 * published by the Free Software Foundation. Oracle designates this
aoqi@0 8 * particular file as subject to the "Classpath" exception as provided
aoqi@0 9 * by Oracle in the LICENSE file that accompanied this code.
aoqi@0 10 *
aoqi@0 11 * This code is distributed in the hope that it will be useful, but WITHOUT
aoqi@0 12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
aoqi@0 13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
aoqi@0 14 * version 2 for more details (a copy is included in the LICENSE file that
aoqi@0 15 * accompanied this code).
aoqi@0 16 *
aoqi@0 17 * You should have received a copy of the GNU General Public License version
aoqi@0 18 * 2 along with this work; if not, write to the Free Software Foundation,
aoqi@0 19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
aoqi@0 20 *
aoqi@0 21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
aoqi@0 22 * or visit www.oracle.com if you need additional information or have any
aoqi@0 23 * questions.
aoqi@0 24 */
aoqi@0 25
aoqi@0 26 /*
aoqi@0 27 * @(#)SharedInputStream.java 1.2 02/03/27
aoqi@0 28 */
aoqi@0 29
aoqi@0 30
aoqi@0 31
aoqi@0 32 package com.sun.xml.internal.messaging.saaj.packaging.mime.internet;
aoqi@0 33
aoqi@0 34 import java.io.InputStream;
aoqi@0 35 import java.io.OutputStream;
aoqi@0 36
aoqi@0 37 // SAAJ doesn't utilize this, but I think it should.
aoqi@0 38 /**
aoqi@0 39 * An InputStream that is backed by data that can be shared by multiple
aoqi@0 40 * readers may implement this interface. This allows users of such an
aoqi@0 41 * InputStream to determine the current positionin the InputStream, and
aoqi@0 42 * to create new InputStreams representing a subset of the data in the
aoqi@0 43 * original InputStream. The new InputStream will access the same
aoqi@0 44 * underlying data as the original, without copying the data.
aoqi@0 45 *
aoqi@0 46 * @version 1.2, 02/03/27
aoqi@0 47 * @author Bill Shannon
aoqi@0 48 * @since JavaMail 1.2
aoqi@0 49 */
aoqi@0 50
aoqi@0 51 public interface SharedInputStream {
aoqi@0 52 /**
aoqi@0 53 * Return the current position in the InputStream, as an
aoqi@0 54 * offset from the beginning of the InputStream.
aoqi@0 55 *
aoqi@0 56 * @return the current position
aoqi@0 57 */
aoqi@0 58 public long getPosition();
aoqi@0 59
aoqi@0 60 /**
aoqi@0 61 * Return a new InputStream representing a subset of the data
aoqi@0 62 * from this InputStream, starting at <code>start</code> (inclusive)
aoqi@0 63 * up to <code>end</code> (exclusive). <code>start</code> must be
aoqi@0 64 * non-negative. If <code>end</code> is -1, the new stream ends
aoqi@0 65 * at the same place as this stream. The returned InputStream
aoqi@0 66 * will also implement the SharedInputStream interface.
aoqi@0 67 *
aoqi@0 68 * @param start the starting position
aoqi@0 69 * @param end the ending position + 1
aoqi@0 70 * @return the new stream
aoqi@0 71 */
aoqi@0 72 public InputStream newStream(long start, long end);
aoqi@0 73
aoqi@0 74 /**
aoqi@0 75 * Writes the specified region to another {@link OutputStream}.
aoqi@0 76 */
aoqi@0 77 public void writeTo(long start,long end, OutputStream out);
aoqi@0 78 }

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