Fri, 04 Oct 2013 16:21:34 +0100
8025054: Update JAX-WS RI integration to 2.2.9-b130926.1035
Reviewed-by: chegar
ohair@286 | 1 | /* |
alanb@368 | 2 | * Copyright (c) 1997, 2012, Oracle and/or its affiliates. All rights reserved. |
ohair@286 | 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
ohair@286 | 4 | * |
ohair@286 | 5 | * This code is free software; you can redistribute it and/or modify it |
ohair@286 | 6 | * under the terms of the GNU General Public License version 2 only, as |
ohair@286 | 7 | * published by the Free Software Foundation. Oracle designates this |
ohair@286 | 8 | * particular file as subject to the "Classpath" exception as provided |
ohair@286 | 9 | * by Oracle in the LICENSE file that accompanied this code. |
ohair@286 | 10 | * |
ohair@286 | 11 | * This code is distributed in the hope that it will be useful, but WITHOUT |
ohair@286 | 12 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
ohair@286 | 13 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
ohair@286 | 14 | * version 2 for more details (a copy is included in the LICENSE file that |
ohair@286 | 15 | * accompanied this code). |
ohair@286 | 16 | * |
ohair@286 | 17 | * You should have received a copy of the GNU General Public License version |
ohair@286 | 18 | * 2 along with this work; if not, write to the Free Software Foundation, |
ohair@286 | 19 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
ohair@286 | 20 | * |
ohair@286 | 21 | * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
ohair@286 | 22 | * or visit www.oracle.com if you need additional information or have any |
ohair@286 | 23 | * questions. |
ohair@286 | 24 | */ |
ohair@286 | 25 | |
ohair@286 | 26 | package com.sun.xml.internal.org.jvnet.mimepull; |
ohair@286 | 27 | |
ohair@286 | 28 | import java.io.InputStream; |
ohair@286 | 29 | import java.io.IOException; |
ohair@286 | 30 | |
ohair@286 | 31 | /** |
ohair@286 | 32 | * Constructs a InputStream from a linked list of {@link Chunk}s. |
ohair@286 | 33 | * |
ohair@286 | 34 | * @author Kohsuke Kawaguchi |
ohair@286 | 35 | * @author Jitendra Kotamraju |
ohair@286 | 36 | */ |
ohair@286 | 37 | final class ChunkInputStream extends InputStream { |
ohair@286 | 38 | Chunk current; |
ohair@286 | 39 | int offset; |
ohair@286 | 40 | int len; |
ohair@286 | 41 | final MIMEMessage msg; |
ohair@286 | 42 | final MIMEPart part; |
ohair@286 | 43 | byte[] buf; |
ohair@286 | 44 | |
ohair@286 | 45 | public ChunkInputStream(MIMEMessage msg, MIMEPart part, Chunk startPos) { |
ohair@286 | 46 | this.current = startPos; |
ohair@286 | 47 | len = current.data.size(); |
ohair@286 | 48 | buf = current.data.read(); |
ohair@286 | 49 | this.msg = msg; |
ohair@286 | 50 | this.part = part; |
ohair@286 | 51 | } |
ohair@286 | 52 | |
ohair@286 | 53 | @Override |
ohair@286 | 54 | public int read(byte b[], int off, int sz) throws IOException { |
alanb@368 | 55 | if (!fetch()) { |
alanb@368 | 56 | return -1; |
alanb@368 | 57 | } |
ohair@286 | 58 | |
ohair@286 | 59 | sz = Math.min(sz, len-offset); |
ohair@286 | 60 | System.arraycopy(buf,offset,b,off,sz); |
ohair@286 | 61 | return sz; |
ohair@286 | 62 | } |
ohair@286 | 63 | |
ohair@286 | 64 | public int read() throws IOException { |
alanb@368 | 65 | if (!fetch()) { |
alanb@368 | 66 | return -1; |
alanb@368 | 67 | } |
ohair@286 | 68 | return (buf[offset++] & 0xff); |
ohair@286 | 69 | } |
ohair@286 | 70 | |
ohair@286 | 71 | /** |
ohair@286 | 72 | * Gets to the next chunk if we are done with the current one. |
ohair@286 | 73 | * @return |
ohair@286 | 74 | */ |
ohair@286 | 75 | private boolean fetch() { |
ohair@286 | 76 | if (current == null) { |
ohair@286 | 77 | throw new IllegalStateException("Stream already closed"); |
ohair@286 | 78 | } |
ohair@286 | 79 | while(offset==len) { |
ohair@286 | 80 | while(!part.parsed && current.next == null) { |
ohair@286 | 81 | msg.makeProgress(); |
ohair@286 | 82 | } |
ohair@286 | 83 | current = current.next; |
ohair@286 | 84 | |
ohair@286 | 85 | if (current == null) { |
ohair@286 | 86 | return false; |
ohair@286 | 87 | } |
ohair@286 | 88 | this.offset = 0; |
ohair@286 | 89 | this.buf = current.data.read(); |
ohair@286 | 90 | this.len = current.data.size(); |
ohair@286 | 91 | } |
ohair@286 | 92 | return true; |
ohair@286 | 93 | } |
ohair@286 | 94 | |
alanb@368 | 95 | @Override |
ohair@286 | 96 | public void close() throws IOException { |
ohair@286 | 97 | super.close(); |
ohair@286 | 98 | current = null; |
ohair@286 | 99 | } |
ohair@286 | 100 | } |