Mercurial > jdk8-mips64-public > jaxws / file comparison
comparison: src/share/jaxws_classes/com/sun/xml/internal/bind/v2/util/DataSourceSource.java
src/share/jaxws_classes/com/sun/xml/internal/bind/v2/util/DataSourceSource.java
- changeset 286
- f50545b5e2f1
- parent 0
- 373ffda63c9a
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| 284:88b85470e72c | 286:f50545b5e2f1 |
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| 1 /* | |
| 2 * Copyright (c) 1997, 2011, Oracle and/or its affiliates. All rights reserved. | |
| 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. | |
| 4 * | |
| 5 * This code is free software; you can redistribute it and/or modify it | |
| 6 * under the terms of the GNU General Public License version 2 only, as | |
| 7 * published by the Free Software Foundation. Oracle designates this | |
| 8 * particular file as subject to the "Classpath" exception as provided | |
| 9 * by Oracle in the LICENSE file that accompanied this code. | |
| 10 * | |
| 11 * This code is distributed in the hope that it will be useful, but WITHOUT | |
| 12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
| 13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
| 14 * version 2 for more details (a copy is included in the LICENSE file that | |
| 15 * accompanied this code). | |
| 16 * | |
| 17 * You should have received a copy of the GNU General Public License version | |
| 18 * 2 along with this work; if not, write to the Free Software Foundation, | |
| 19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | |
| 20 * | |
| 21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA | |
| 22 * or visit www.oracle.com if you need additional information or have any | |
| 23 * questions. | |
| 24 */ | |
| 25 | |
| 26 package com.sun.xml.internal.bind.v2.util; | |
| 27 | |
| 28 import java.io.IOException; | |
| 29 import java.io.InputStream; | |
| 30 import java.io.InputStreamReader; | |
| 31 import java.io.Reader; | |
| 32 | |
| 33 import javax.activation.DataHandler; | |
| 34 import javax.activation.DataSource; | |
| 35 import javax.activation.MimeType; | |
| 36 import javax.activation.MimeTypeParseException; | |
| 37 import javax.xml.transform.Source; | |
| 38 import javax.xml.transform.stream.StreamSource; | |
| 39 | |
| 40 /** | |
| 41 * {@link Source} implementation backed by {@link DataHandler}. | |
| 42 * | |
| 43 * <p> | |
| 44 * This implementation allows the same {@link Source} to be used | |
| 45 * mutliple times. | |
| 46 * | |
| 47 * <p> | |
| 48 * {@link Source} isn't really pluggable. As a consequence, | |
| 49 * this implementation is clunky --- weak against unexpected | |
| 50 * usage of the class. | |
| 51 * | |
| 52 * @author Kohsuke Kawaguchi | |
| 53 */ | |
| 54 public final class DataSourceSource extends StreamSource { | |
| 55 private final DataSource source; | |
| 56 | |
| 57 /** | |
| 58 * If null, default to the encoding declaration | |
| 59 */ | |
| 60 private final String charset; | |
| 61 | |
| 62 // remember the value we returned so that the 2nd invocation | |
| 63 // will return the same object, which is what's expeted out of | |
| 64 // StreamSource | |
| 65 private Reader r; | |
| 66 private InputStream is; | |
| 67 | |
| 68 public DataSourceSource(DataHandler dh) throws MimeTypeParseException { | |
| 69 this(dh.getDataSource()); | |
| 70 } | |
| 71 | |
| 72 public DataSourceSource(DataSource source) throws MimeTypeParseException { | |
| 73 this.source = source; | |
| 74 | |
| 75 String ct = source.getContentType(); | |
| 76 if(ct==null) { | |
| 77 charset = null; | |
| 78 } else { | |
| 79 MimeType mimeType = new MimeType(ct); | |
| 80 this.charset = mimeType.getParameter("charset"); | |
| 81 } | |
| 82 } | |
| 83 | |
| 84 @Override | |
| 85 public void setReader(Reader reader) { | |
| 86 throw new UnsupportedOperationException(); | |
| 87 } | |
| 88 | |
| 89 @Override | |
| 90 public void setInputStream(InputStream inputStream) { | |
| 91 throw new UnsupportedOperationException(); | |
| 92 } | |
| 93 | |
| 94 @Override | |
| 95 public Reader getReader() { | |
| 96 try { | |
| 97 if(charset==null) return null; | |
| 98 if(r==null) | |
| 99 r = new InputStreamReader(source.getInputStream(),charset); | |
| 100 return r; | |
| 101 } catch (IOException e) { | |
| 102 // argh | |
| 103 throw new RuntimeException(e); | |
| 104 } | |
| 105 } | |
| 106 | |
| 107 @Override | |
| 108 public InputStream getInputStream() { | |
| 109 try { | |
| 110 if(charset!=null) return null; | |
| 111 if(is==null) | |
| 112 is = source.getInputStream(); | |
| 113 return is; | |
| 114 } catch (IOException e) { | |
| 115 // argh | |
| 116 throw new RuntimeException(e); | |
| 117 } | |
| 118 } | |
| 119 | |
| 120 public DataSource getDataSource() { | |
| 121 return source; | |
| 122 } | |
| 123 } |
