src/share/jaxws_classes/com/sun/xml/internal/ws/encoding/StringDataContentHandler.java

Fri, 14 Feb 2014 11:13:45 +0100

author
mkos
date
Fri, 14 Feb 2014 11:13:45 +0100
changeset 515
6cd506508147
parent 368
0989ad8c0860
child 637
9c07ef4934dd
permissions
-rw-r--r--

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.encoding;
ohair@286 27
ohair@286 28 import javax.activation.ActivationDataFlavor;
ohair@286 29 import javax.activation.DataSource;
ohair@286 30 import javax.activation.DataContentHandler;
ohair@286 31 import java.awt.datatransfer.DataFlavor;
ohair@286 32 import java.io.IOException;
ohair@286 33 import java.io.InputStreamReader;
ohair@286 34 import java.io.OutputStream;
ohair@286 35 import java.io.OutputStreamWriter;
ohair@286 36 import java.io.UnsupportedEncodingException;
ohair@286 37 import java.nio.charset.Charset;
ohair@286 38
ohair@286 39 /**
ohair@286 40 * JavaMail's data content handler for text/plain -->String
ohair@286 41 */
ohair@286 42 public class StringDataContentHandler implements DataContentHandler {
ohair@286 43 private static final ActivationDataFlavor myDF = new ActivationDataFlavor(
ohair@286 44 java.lang.String.class, "text/plain", "Text String");
ohair@286 45
ohair@286 46 protected ActivationDataFlavor getDF() {
ohair@286 47 return myDF;
ohair@286 48 }
ohair@286 49
ohair@286 50 /**
ohair@286 51 * Return the DataFlavors for this <code>DataContentHandler</code>.
ohair@286 52 *
ohair@286 53 * @return The DataFlavors
ohair@286 54 */
ohair@286 55 public DataFlavor[] getTransferDataFlavors() {
ohair@286 56 return new DataFlavor[]{getDF()};
ohair@286 57 }
ohair@286 58
ohair@286 59 /**
ohair@286 60 * Return the Transfer Data of type DataFlavor from InputStream.
ohair@286 61 *
ohair@286 62 * @param df The DataFlavor
ohair@286 63 * @param ds The DataSource corresponding to the data
ohair@286 64 * @return String object
ohair@286 65 */
ohair@286 66 public Object getTransferData(DataFlavor df, DataSource ds)
ohair@286 67 throws IOException {
ohair@286 68 // use myDF.equals to be sure to get ActivationDataFlavor.equals,
ohair@286 69 // which properly ignores Content-Type parameters in comparison
ohair@286 70 if (getDF().equals(df))
ohair@286 71 return getContent(ds);
ohair@286 72 else
ohair@286 73 return null;
ohair@286 74 }
ohair@286 75
ohair@286 76 public Object getContent(DataSource ds) throws IOException {
ohair@286 77 String enc = null;
ohair@286 78 InputStreamReader is;
ohair@286 79
ohair@286 80 try {
ohair@286 81 enc = getCharset(ds.getContentType());
ohair@286 82 is = new InputStreamReader(ds.getInputStream(), enc);
ohair@286 83 } catch (IllegalArgumentException iex) {
ohair@286 84 /*
ohair@286 85 * An unknown charset of the form ISO-XXX-XXX will cause
ohair@286 86 * the JDK to throw an IllegalArgumentException. The
ohair@286 87 * JDK will attempt to create a classname using this string,
ohair@286 88 * but valid classnames must not contain the character '-',
ohair@286 89 * and this results in an IllegalArgumentException, rather than
ohair@286 90 * the expected UnsupportedEncodingException. Yikes.
ohair@286 91 */
ohair@286 92 throw new UnsupportedEncodingException(enc);
ohair@286 93 }
ohair@286 94
ohair@286 95 try {
ohair@286 96 int pos = 0;
ohair@286 97 int count;
ohair@286 98 char buf[] = new char[1024];
ohair@286 99
ohair@286 100 while ((count = is.read(buf, pos, buf.length - pos)) != -1) {
ohair@286 101 pos += count;
ohair@286 102 if (pos >= buf.length) {
ohair@286 103 int size = buf.length;
ohair@286 104 if (size < 256 * 1024)
ohair@286 105 size += size;
ohair@286 106 else
ohair@286 107 size += 256 * 1024;
ohair@286 108 char tbuf[] = new char[size];
ohair@286 109 System.arraycopy(buf, 0, tbuf, 0, pos);
ohair@286 110 buf = tbuf;
ohair@286 111 }
ohair@286 112 }
ohair@286 113 return new String(buf, 0, pos);
ohair@286 114 } finally {
ohair@286 115 try {
ohair@286 116 is.close();
ohair@286 117 } catch (IOException ex) {
ohair@286 118 // not much can be done
ohair@286 119 }
ohair@286 120 }
ohair@286 121 }
ohair@286 122
ohair@286 123 /**
ohair@286 124 * Write the object to the output stream, using the specified MIME type.
ohair@286 125 */
ohair@286 126 public void writeTo(Object obj, String type, OutputStream os)
ohair@286 127 throws IOException {
ohair@286 128 if (!(obj instanceof String))
ohair@286 129 throw new IOException("\"" + getDF().getMimeType() +
ohair@286 130 "\" DataContentHandler requires String object, " +
ohair@286 131 "was given object of type " + obj.getClass().toString());
ohair@286 132
ohair@286 133 String enc = null;
ohair@286 134 OutputStreamWriter osw;
ohair@286 135
ohair@286 136 try {
ohair@286 137 enc = getCharset(type);
ohair@286 138 osw = new OutputStreamWriter(os, enc);
ohair@286 139 } catch (IllegalArgumentException iex) {
ohair@286 140 /*
ohair@286 141 * An unknown charset of the form ISO-XXX-XXX will cause
ohair@286 142 * the JDK to throw an IllegalArgumentException. The
ohair@286 143 * JDK will attempt to create a classname using this string,
ohair@286 144 * but valid classnames must not contain the character '-',
ohair@286 145 * and this results in an IllegalArgumentException, rather than
ohair@286 146 * the expected UnsupportedEncodingException. Yikes.
ohair@286 147 */
ohair@286 148 throw new UnsupportedEncodingException(enc);
ohair@286 149 }
ohair@286 150
ohair@286 151 String s = (String) obj;
ohair@286 152 osw.write(s, 0, s.length());
ohair@286 153 osw.flush();
ohair@286 154 }
ohair@286 155
ohair@286 156 private String getCharset(String type) {
ohair@286 157 try {
ohair@286 158 ContentType ct = new ContentType(type);
ohair@286 159 String charset = ct.getParameter("charset");
ohair@286 160 if (charset == null)
ohair@286 161 // If the charset parameter is absent, use US-ASCII.
ohair@286 162 charset = "us-ascii";
ohair@286 163
ohair@286 164 return Charset.forName(charset).name();
ohair@286 165 //return MimeUtility.javaCharset(charset);
ohair@286 166 } catch (Exception ex) {
ohair@286 167 return null;
ohair@286 168 }
ohair@286 169 }
ohair@286 170
ohair@286 171
ohair@286 172 }

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