Fri, 14 Feb 2014 11:13:45 +0100
8026188: Enhance envelope factory
Summary: Avoiding caching data initialized via TCCL in static context; fix also reviewed by Alexander Fomin
Reviewed-by: ahgross, mgrebac, skoivu
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.ws.util; |
ohair@286 | 27 | |
ohair@286 | 28 | import java.io.BufferedInputStream; |
ohair@286 | 29 | import java.io.IOException; |
ohair@286 | 30 | import java.io.InputStream; |
ohair@286 | 31 | |
ohair@286 | 32 | /** |
ohair@286 | 33 | * @author Jitendra Kotamraju |
ohair@286 | 34 | */ |
ohair@286 | 35 | public class StreamUtils { |
ohair@286 | 36 | |
ohair@286 | 37 | /* |
ohair@286 | 38 | * Finds if the stream has some content or not |
ohair@286 | 39 | * |
ohair@286 | 40 | * @return null if there is no data |
ohair@286 | 41 | * else stream to be used |
ohair@286 | 42 | */ |
ohair@286 | 43 | public static InputStream hasSomeData(InputStream in) { |
ohair@286 | 44 | if (in != null) { |
ohair@286 | 45 | try { |
ohair@286 | 46 | if (in.available() < 1) { |
ohair@286 | 47 | if (!in.markSupported()) { |
ohair@286 | 48 | in = new BufferedInputStream(in); |
ohair@286 | 49 | } |
ohair@286 | 50 | in.mark(1); |
ohair@286 | 51 | if (in.read() != -1) { |
ohair@286 | 52 | in.reset(); |
ohair@286 | 53 | } else { |
ohair@286 | 54 | in = null; // No data |
ohair@286 | 55 | } |
ohair@286 | 56 | } |
ohair@286 | 57 | } catch(IOException ioe) { |
ohair@286 | 58 | in = null; |
ohair@286 | 59 | } |
ohair@286 | 60 | } |
ohair@286 | 61 | return in; |
ohair@286 | 62 | } |
ohair@286 | 63 | |
ohair@286 | 64 | } |