325N/A/*
325N/A * Copyright (c) 1997, 2010, Oracle and/or its affiliates. All rights reserved.
325N/A * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
325N/A *
325N/A * This code is free software; you can redistribute it and/or modify it
325N/A * under the terms of the GNU General Public License version 2 only, as
325N/A * published by the Free Software Foundation. Oracle designates this
325N/A * particular file as subject to the "Classpath" exception as provided
325N/A * by Oracle in the LICENSE file that accompanied this code.
325N/A *
325N/A * This code is distributed in the hope that it will be useful, but WITHOUT
325N/A * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
325N/A * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
325N/A * version 2 for more details (a copy is included in the LICENSE file that
325N/A * accompanied this code).
325N/A *
325N/A * You should have received a copy of the GNU General Public License version
325N/A * 2 along with this work; if not, write to the Free Software Foundation,
325N/A * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
325N/A *
325N/A * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
325N/A * or visit www.oracle.com if you need additional information or have any
325N/A * questions.
325N/A */
325N/A
325N/Apackage com.sun.xml.internal.messaging.saaj.soap;
325N/A
325N/Aimport java.awt.datatransfer.DataFlavor;
325N/Aimport java.io.*;
325N/A
325N/Aimport javax.activation.*;
325N/Aimport com.sun.xml.internal.messaging.saaj.packaging.mime.internet.MimeUtility;
325N/Aimport com.sun.xml.internal.messaging.saaj.packaging.mime.util.ASCIIUtility;
325N/Aimport com.sun.xml.internal.messaging.saaj.packaging.mime.internet.ContentType;
325N/A
325N/A/**
325N/A * JAF data content handler for text/plain --> String
325N/A *
325N/A */
325N/Apublic class StringDataContentHandler implements DataContentHandler {
325N/A private static ActivationDataFlavor myDF = new ActivationDataFlavor(
325N/A java.lang.String.class,
325N/A "text/plain",
325N/A "Text String");
325N/A
325N/A protected ActivationDataFlavor getDF() {
325N/A return myDF;
325N/A }
325N/A
325N/A /**
325N/A * Return the DataFlavors for this <code>DataContentHandler</code>.
325N/A *
325N/A * @return The DataFlavors
325N/A */
325N/A public DataFlavor[] getTransferDataFlavors() {
325N/A return new DataFlavor[] { getDF() };
325N/A }
325N/A
325N/A /**
325N/A * Return the Transfer Data of type DataFlavor from InputStream.
325N/A *
325N/A * @param df The DataFlavor
325N/A * @param ds The DataSource corresponding to the data
325N/A * @return String object
325N/A */
325N/A public Object getTransferData(DataFlavor df, DataSource ds)
325N/A throws IOException {
325N/A // use myDF.equals to be sure to get ActivationDataFlavor.equals,
325N/A // which properly ignores Content-Type parameters in comparison
325N/A if (getDF().equals(df))
325N/A return getContent(ds);
325N/A else
325N/A return null;
325N/A }
325N/A
325N/A public Object getContent(DataSource ds) throws IOException {
325N/A String enc = null;
325N/A InputStreamReader is = null;
325N/A
try {
enc = getCharset(ds.getContentType());
is = new InputStreamReader(ds.getInputStream(), enc);
} catch (IllegalArgumentException iex) {
/*
* An unknown charset of the form ISO-XXX-XXX will cause
* the JDK to throw an IllegalArgumentException. The
* JDK will attempt to create a classname using this string,
* but valid classnames must not contain the character '-',
* and this results in an IllegalArgumentException, rather than
* the expected UnsupportedEncodingException. Yikes.
*/
throw new UnsupportedEncodingException(enc);
}
try {
int pos = 0;
int count;
char buf[] = new char[1024];
while ((count = is.read(buf, pos, buf.length - pos)) != -1) {
pos += count;
if (pos >= buf.length) {
int size = buf.length;
if (size < 256*1024)
size += size;
else
size += 256*1024;
char tbuf[] = new char[size];
System.arraycopy(buf, 0, tbuf, 0, pos);
buf = tbuf;
}
}
return new String(buf, 0, pos);
} finally {
try {
is.close();
} catch (IOException ex) { }
}
}
/**
* Write the object to the output stream, using the specified MIME type.
*/
public void writeTo(Object obj, String type, OutputStream os)
throws IOException {
if (!(obj instanceof String))
throw new IOException("\"" + getDF().getMimeType() +
"\" DataContentHandler requires String object, " +
"was given object of type " + obj.getClass().toString());
String enc = null;
OutputStreamWriter osw = null;
try {
enc = getCharset(type);
osw = new OutputStreamWriter(os, enc);
} catch (IllegalArgumentException iex) {
/*
* An unknown charset of the form ISO-XXX-XXX will cause
* the JDK to throw an IllegalArgumentException. The
* JDK will attempt to create a classname using this string,
* but valid classnames must not contain the character '-',
* and this results in an IllegalArgumentException, rather than
* the expected UnsupportedEncodingException. Yikes.
*/
throw new UnsupportedEncodingException(enc);
}
String s = (String)obj;
osw.write(s, 0, s.length());
osw.flush();
}
private String getCharset(String type) {
try {
ContentType ct = new ContentType(type);
String charset = ct.getParameter("charset");
if (charset == null)
// If the charset parameter is absent, use US-ASCII.
charset = "us-ascii";
return MimeUtility.javaCharset(charset);
} catch (Exception ex) {
return null;
}
}
}