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 +}