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.ws.encoding;
325N/A
325N/Aimport javax.activation.ActivationDataFlavor;
325N/Aimport javax.activation.DataSource;
325N/Aimport javax.activation.DataContentHandler;
325N/Aimport java.awt.datatransfer.DataFlavor;
325N/Aimport java.io.IOException;
325N/Aimport java.io.InputStreamReader;
325N/Aimport java.io.OutputStream;
325N/Aimport java.io.OutputStreamWriter;
325N/Aimport java.io.UnsupportedEncodingException;
325N/Aimport java.nio.charset.Charset;
325N/A
325N/A/**
325N/A * JavaMail's data content handler for text/plain -->String
325N/A */
325N/Apublic class StringDataContentHandler implements DataContentHandler {
325N/A private static final ActivationDataFlavor myDF = new ActivationDataFlavor(
325N/A java.lang.String.class, "text/plain", "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;
325N/A
325N/A try {
325N/A enc = getCharset(ds.getContentType());
325N/A is = new InputStreamReader(ds.getInputStream(), enc);
325N/A } catch (IllegalArgumentException iex) {
325N/A /*
325N/A * An unknown charset of the form ISO-XXX-XXX will cause
325N/A * the JDK to throw an IllegalArgumentException. The
325N/A * JDK will attempt to create a classname using this string,
325N/A * but valid classnames must not contain the character '-',
325N/A * and this results in an IllegalArgumentException, rather than
325N/A * the expected UnsupportedEncodingException. Yikes.
325N/A */
325N/A throw new UnsupportedEncodingException(enc);
325N/A }
325N/A
325N/A try {
325N/A int pos = 0;
325N/A int count;
325N/A char buf[] = new char[1024];
325N/A
325N/A while ((count = is.read(buf, pos, buf.length - pos)) != -1) {
325N/A pos += count;
325N/A if (pos >= buf.length) {
325N/A int size = buf.length;
325N/A if (size < 256 * 1024)
325N/A size += size;
325N/A else
325N/A size += 256 * 1024;
325N/A char tbuf[] = new char[size];
325N/A System.arraycopy(buf, 0, tbuf, 0, pos);
325N/A buf = tbuf;
325N/A }
325N/A }
325N/A return new String(buf, 0, pos);
325N/A } finally {
325N/A try {
325N/A is.close();
325N/A } catch (IOException ex) {
325N/A // not much can be done
325N/A }
325N/A }
325N/A }
325N/A
325N/A /**
325N/A * Write the object to the output stream, using the specified MIME type.
325N/A */
325N/A public void writeTo(Object obj, String type, OutputStream os)
325N/A throws IOException {
325N/A if (!(obj instanceof String))
325N/A throw new IOException("\"" + getDF().getMimeType() +
325N/A "\" DataContentHandler requires String object, " +
325N/A "was given object of type " + obj.getClass().toString());
325N/A
325N/A String enc = null;
325N/A OutputStreamWriter osw;
325N/A
325N/A try {
325N/A enc = getCharset(type);
325N/A osw = new OutputStreamWriter(os, enc);
325N/A } catch (IllegalArgumentException iex) {
325N/A /*
325N/A * An unknown charset of the form ISO-XXX-XXX will cause
325N/A * the JDK to throw an IllegalArgumentException. The
325N/A * JDK will attempt to create a classname using this string,
325N/A * but valid classnames must not contain the character '-',
325N/A * and this results in an IllegalArgumentException, rather than
325N/A * the expected UnsupportedEncodingException. Yikes.
325N/A */
325N/A throw new UnsupportedEncodingException(enc);
325N/A }
325N/A
325N/A String s = (String) obj;
325N/A osw.write(s, 0, s.length());
325N/A osw.flush();
325N/A }
325N/A
325N/A private String getCharset(String type) {
325N/A try {
325N/A ContentType ct = new ContentType(type);
325N/A String charset = ct.getParameter("charset");
325N/A if (charset == null)
325N/A // If the charset parameter is absent, use US-ASCII.
325N/A charset = "us-ascii";
325N/A
325N/A return Charset.forName(charset).name();
325N/A //return MimeUtility.javaCharset(charset);
325N/A } catch (Exception ex) {
325N/A return null;
325N/A }
325N/A }
325N/A
325N/A
325N/A}