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src/share/jaxws_classes/com/sun/xml/internal/messaging/saaj/soap/StringDataContentHandler.java@9c07ef4934dd (annotated)

src/share/jaxws_classes/com/sun/xml/internal/messaging/saaj/soap/StringDataContentHandler.java

Thu, 31 Aug 2017 15:18:52 +0800

author

aoqi

date

Thu, 31 Aug 2017 15:18:52 +0800

changeset 637

9c07ef4934dd

parent 368

0989ad8c0860

parent 0

373ffda63c9a

permissions

-rw-r--r--

merge

aoqi@0	1	/*
aoqi@0	2	* Copyright (c) 1997, 2012, 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.messaging.saaj.soap;
aoqi@0	27
aoqi@0	28	import java.awt.datatransfer.DataFlavor;
aoqi@0	29	import java.io.*;
aoqi@0	30
aoqi@0	31	import javax.activation.*;
aoqi@0	32	import com.sun.xml.internal.messaging.saaj.packaging.mime.internet.MimeUtility;
aoqi@0	33	import com.sun.xml.internal.messaging.saaj.packaging.mime.util.ASCIIUtility;
aoqi@0	34	import com.sun.xml.internal.messaging.saaj.packaging.mime.internet.ContentType;
aoqi@0	35
aoqi@0	36	/**
aoqi@0	37	* JAF data content handler for text/plain --> String
aoqi@0	38	*
aoqi@0	39	*/
aoqi@0	40	public class StringDataContentHandler implements DataContentHandler {
aoqi@0	41	private static ActivationDataFlavor myDF = new ActivationDataFlavor(
aoqi@0	42	java.lang.String.class,
aoqi@0	43	"text/plain",
aoqi@0	44	"Text String");
aoqi@0	45
aoqi@0	46	protected ActivationDataFlavor getDF() {
aoqi@0	47	return myDF;
aoqi@0	48	}
aoqi@0	49
aoqi@0	50	/**
aoqi@0	51	* Return the DataFlavors for this <code>DataContentHandler</code>.
aoqi@0	52	*
aoqi@0	53	* @return The DataFlavors
aoqi@0	54	*/
aoqi@0	55	public DataFlavor[] getTransferDataFlavors() {
aoqi@0	56	return new DataFlavor[] { getDF() };
aoqi@0	57	}
aoqi@0	58
aoqi@0	59	/**
aoqi@0	60	* Return the Transfer Data of type DataFlavor from InputStream.
aoqi@0	61	*
aoqi@0	62	* @param df The DataFlavor
aoqi@0	63	* @param ds The DataSource corresponding to the data
aoqi@0	64	* @return String object
aoqi@0	65	*/
aoqi@0	66	public Object getTransferData(DataFlavor df, DataSource ds)
aoqi@0	67	throws IOException {
aoqi@0	68	// use myDF.equals to be sure to get ActivationDataFlavor.equals,
aoqi@0	69	// which properly ignores Content-Type parameters in comparison
aoqi@0	70	if (getDF().equals(df))
aoqi@0	71	return getContent(ds);
aoqi@0	72	else
aoqi@0	73	return null;
aoqi@0	74	}
aoqi@0	75
aoqi@0	76	public Object getContent(DataSource ds) throws IOException {
aoqi@0	77	String enc = null;
aoqi@0	78	InputStreamReader is = null;
aoqi@0	79
aoqi@0	80	try {
aoqi@0	81	enc = getCharset(ds.getContentType());
aoqi@0	82	is = new InputStreamReader(ds.getInputStream(), enc);
aoqi@0	83	} catch (IllegalArgumentException iex) {
aoqi@0	84	/*
aoqi@0	85	* An unknown charset of the form ISO-XXX-XXX will cause
aoqi@0	86	* the JDK to throw an IllegalArgumentException. The
aoqi@0	87	* JDK will attempt to create a classname using this string,
aoqi@0	88	* but valid classnames must not contain the character '-',
aoqi@0	89	* and this results in an IllegalArgumentException, rather than
aoqi@0	90	* the expected UnsupportedEncodingException. Yikes.
aoqi@0	91	*/
aoqi@0	92	throw new UnsupportedEncodingException(enc);
aoqi@0	93	}
aoqi@0	94
aoqi@0	95	try {
aoqi@0	96	int pos = 0;
aoqi@0	97	int count;
aoqi@0	98	char buf[] = new char[1024];
aoqi@0	99
aoqi@0	100	while ((count = is.read(buf, pos, buf.length - pos)) != -1) {
aoqi@0	101	pos += count;
aoqi@0	102	if (pos >= buf.length) {
aoqi@0	103	int size = buf.length;
aoqi@0	104	if (size < 256*1024)
aoqi@0	105	size += size;
aoqi@0	106	else
aoqi@0	107	size += 256*1024;
aoqi@0	108	char tbuf[] = new char[size];
aoqi@0	109	System.arraycopy(buf, 0, tbuf, 0, pos);
aoqi@0	110	buf = tbuf;
aoqi@0	111	}
aoqi@0	112	}
aoqi@0	113	return new String(buf, 0, pos);
aoqi@0	114	} finally {
aoqi@0	115	try {
aoqi@0	116	is.close();
aoqi@0	117	} catch (IOException ex) { }
aoqi@0	118	}
aoqi@0	119	}
aoqi@0	120
aoqi@0	121	/**
aoqi@0	122	* Write the object to the output stream, using the specified MIME type.
aoqi@0	123	*/
aoqi@0	124	public void writeTo(Object obj, String type, OutputStream os)
aoqi@0	125	throws IOException {
aoqi@0	126	if (!(obj instanceof String))
aoqi@0	127	throw new IOException("\"" + getDF().getMimeType() +
aoqi@0	128	"\" DataContentHandler requires String object, " +
aoqi@0	129	"was given object of type " + obj.getClass().toString());
aoqi@0	130
aoqi@0	131	String enc = null;
aoqi@0	132	OutputStreamWriter osw = null;
aoqi@0	133
aoqi@0	134	try {
aoqi@0	135	enc = getCharset(type);
aoqi@0	136	osw = new OutputStreamWriter(os, enc);
aoqi@0	137	} catch (IllegalArgumentException iex) {
aoqi@0	138	/*
aoqi@0	139	* An unknown charset of the form ISO-XXX-XXX will cause
aoqi@0	140	* the JDK to throw an IllegalArgumentException. The
aoqi@0	141	* JDK will attempt to create a classname using this string,
aoqi@0	142	* but valid classnames must not contain the character '-',
aoqi@0	143	* and this results in an IllegalArgumentException, rather than
aoqi@0	144	* the expected UnsupportedEncodingException. Yikes.
aoqi@0	145	*/
aoqi@0	146	throw new UnsupportedEncodingException(enc);
aoqi@0	147	}
aoqi@0	148
aoqi@0	149	String s = (String)obj;
aoqi@0	150	osw.write(s, 0, s.length());
aoqi@0	151	osw.flush();
aoqi@0	152	}
aoqi@0	153
aoqi@0	154	private String getCharset(String type) {
aoqi@0	155	try {
aoqi@0	156	ContentType ct = new ContentType(type);
aoqi@0	157	String charset = ct.getParameter("charset");
aoqi@0	158	if (charset == null)
aoqi@0	159	// If the charset parameter is absent, use US-ASCII.
aoqi@0	160	charset = "us-ascii";
aoqi@0	161	return MimeUtility.javaCharset(charset);
aoqi@0	162	} catch (Exception ex) {
aoqi@0	163	return null;
aoqi@0	164	}
aoqi@0	165	}
aoqi@0	166
aoqi@0	167	}