Mercurial > jdk8-mips64-public > jaxws / annotate
src/share/jaxws_classes/com/sun/xml/internal/bind/v2/util/DataSourceSource.java@e530533619ec (annotated)
src/share/jaxws_classes/com/sun/xml/internal/bind/v2/util/DataSourceSource.java
Thu, 12 Oct 2017 19:44:07 +0800
- author
- aoqi
- date
- Thu, 12 Oct 2017 19:44:07 +0800
- changeset 760
- e530533619ec
- parent 0
- 373ffda63c9a
- permissions
- -rw-r--r--
merge
| aoqi@0 | 1 | /* |
| aoqi@0 | 2 | * Copyright (c) 1997, 2011, 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 | package com.sun.xml.internal.bind.v2.util; |
| aoqi@0 | 27 | |
| aoqi@0 | 28 | import java.io.IOException; |
| aoqi@0 | 29 | import java.io.InputStream; |
| aoqi@0 | 30 | import java.io.InputStreamReader; |
| aoqi@0 | 31 | import java.io.Reader; |
| aoqi@0 | 32 | |
| aoqi@0 | 33 | import javax.activation.DataHandler; |
| aoqi@0 | 34 | import javax.activation.DataSource; |
| aoqi@0 | 35 | import javax.activation.MimeType; |
| aoqi@0 | 36 | import javax.activation.MimeTypeParseException; |
| aoqi@0 | 37 | import javax.xml.transform.Source; |
| aoqi@0 | 38 | import javax.xml.transform.stream.StreamSource; |
| aoqi@0 | 39 | |
| aoqi@0 | 40 | /** |
| aoqi@0 | 41 | * {@link Source} implementation backed by {@link DataHandler}. |
| aoqi@0 | 42 | * |
| aoqi@0 | 43 | * <p> |
| aoqi@0 | 44 | * This implementation allows the same {@link Source} to be used |
| aoqi@0 | 45 | * mutliple times. |
| aoqi@0 | 46 | * |
| aoqi@0 | 47 | * <p> |
| aoqi@0 | 48 | * {@link Source} isn't really pluggable. As a consequence, |
| aoqi@0 | 49 | * this implementation is clunky --- weak against unexpected |
| aoqi@0 | 50 | * usage of the class. |
| aoqi@0 | 51 | * |
| aoqi@0 | 52 | * @author Kohsuke Kawaguchi |
| aoqi@0 | 53 | */ |
| aoqi@0 | 54 | public final class DataSourceSource extends StreamSource { |
| aoqi@0 | 55 | private final DataSource source; |
| aoqi@0 | 56 | |
| aoqi@0 | 57 | /** |
| aoqi@0 | 58 | * If null, default to the encoding declaration |
| aoqi@0 | 59 | */ |
| aoqi@0 | 60 | private final String charset; |
| aoqi@0 | 61 | |
| aoqi@0 | 62 | // remember the value we returned so that the 2nd invocation |
| aoqi@0 | 63 | // will return the same object, which is what's expeted out of |
| aoqi@0 | 64 | // StreamSource |
| aoqi@0 | 65 | private Reader r; |
| aoqi@0 | 66 | private InputStream is; |
| aoqi@0 | 67 | |
| aoqi@0 | 68 | public DataSourceSource(DataHandler dh) throws MimeTypeParseException { |
| aoqi@0 | 69 | this(dh.getDataSource()); |
| aoqi@0 | 70 | } |
| aoqi@0 | 71 | |
| aoqi@0 | 72 | public DataSourceSource(DataSource source) throws MimeTypeParseException { |
| aoqi@0 | 73 | this.source = source; |
| aoqi@0 | 74 | |
| aoqi@0 | 75 | String ct = source.getContentType(); |
| aoqi@0 | 76 | if(ct==null) { |
| aoqi@0 | 77 | charset = null; |
| aoqi@0 | 78 | } else { |
| aoqi@0 | 79 | MimeType mimeType = new MimeType(ct); |
| aoqi@0 | 80 | this.charset = mimeType.getParameter("charset"); |
| aoqi@0 | 81 | } |
| aoqi@0 | 82 | } |
| aoqi@0 | 83 | |
| aoqi@0 | 84 | @Override |
| aoqi@0 | 85 | public void setReader(Reader reader) { |
| aoqi@0 | 86 | throw new UnsupportedOperationException(); |
| aoqi@0 | 87 | } |
| aoqi@0 | 88 | |
| aoqi@0 | 89 | @Override |
| aoqi@0 | 90 | public void setInputStream(InputStream inputStream) { |
| aoqi@0 | 91 | throw new UnsupportedOperationException(); |
| aoqi@0 | 92 | } |
| aoqi@0 | 93 | |
| aoqi@0 | 94 | @Override |
| aoqi@0 | 95 | public Reader getReader() { |
| aoqi@0 | 96 | try { |
| aoqi@0 | 97 | if(charset==null) return null; |
| aoqi@0 | 98 | if(r==null) |
| aoqi@0 | 99 | r = new InputStreamReader(source.getInputStream(),charset); |
| aoqi@0 | 100 | return r; |
| aoqi@0 | 101 | } catch (IOException e) { |
| aoqi@0 | 102 | // argh |
| aoqi@0 | 103 | throw new RuntimeException(e); |
| aoqi@0 | 104 | } |
| aoqi@0 | 105 | } |
| aoqi@0 | 106 | |
| aoqi@0 | 107 | @Override |
| aoqi@0 | 108 | public InputStream getInputStream() { |
| aoqi@0 | 109 | try { |
| aoqi@0 | 110 | if(charset!=null) return null; |
| aoqi@0 | 111 | if(is==null) |
| aoqi@0 | 112 | is = source.getInputStream(); |
| aoqi@0 | 113 | return is; |
| aoqi@0 | 114 | } catch (IOException e) { |
| aoqi@0 | 115 | // argh |
| aoqi@0 | 116 | throw new RuntimeException(e); |
| aoqi@0 | 117 | } |
| aoqi@0 | 118 | } |
| aoqi@0 | 119 | |
| aoqi@0 | 120 | public DataSource getDataSource() { |
| aoqi@0 | 121 | return source; |
| aoqi@0 | 122 | } |
| aoqi@0 | 123 | } |
