| /* |
| * Copyright (c) 1997, 2012, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. Oracle designates this |
| * particular file as subject to the "Classpath" exception as provided |
| * by Oracle in the LICENSE file that accompanied this code. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| package com.sun.xml.internal.messaging.saaj.soap; |
| |
| import java.awt.datatransfer.DataFlavor; |
| import java.io.*; |
| |
| import javax.activation.*; |
| import com.sun.xml.internal.messaging.saaj.packaging.mime.internet.MimeUtility; |
| import com.sun.xml.internal.messaging.saaj.packaging.mime.internet.ContentType; |
| |
| /** |
| * JAF data content handler for text/plain --> String |
| * |
| */ |
| public class StringDataContentHandler implements DataContentHandler { |
| private static ActivationDataFlavor myDF = new ActivationDataFlavor( |
| java.lang.String.class, |
| "text/plain", |
| "Text String"); |
| |
| protected ActivationDataFlavor getDF() { |
| return myDF; |
| } |
| |
| /** |
| * Return the DataFlavors for this <code>DataContentHandler</code>. |
| * |
| * @return The DataFlavors |
| */ |
| public DataFlavor[] getTransferDataFlavors() { |
| return new DataFlavor[] { getDF() }; |
| } |
| |
| /** |
| * Return the Transfer Data of type DataFlavor from InputStream. |
| * |
| * @param df The DataFlavor |
| * @param ds The DataSource corresponding to the data |
| * @return String object |
| */ |
| public Object getTransferData(DataFlavor df, DataSource ds) |
| throws IOException { |
| // use myDF.equals to be sure to get ActivationDataFlavor.equals, |
| // which properly ignores Content-Type parameters in comparison |
| if (getDF().equals(df)) |
| return getContent(ds); |
| else |
| return null; |
| } |
| |
| public Object getContent(DataSource ds) throws IOException { |
| String enc = null; |
| InputStreamReader is = null; |
| |
| 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; |
| } |
| } |
| |
| } |