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package com.sun.xml.messaging.saaj.soap;
import java.io.*;
import java.awt.datatransfer.DataFlavor;
import javax.activation.*;
import com.sun.xml.messaging.saaj.packaging.mime.internet.MimeMultipart;
import com.sun.xml.messaging.saaj.packaging.mime.internet.ContentType;
import com.sun.xml.messaging.saaj.util.ByteOutputStream;
public class MultipartDataContentHandler implements DataContentHandler {
private ActivationDataFlavor myDF = new ActivationDataFlavor(
com.sun.xml.messaging.saaj.packaging.mime.internet.MimeMultipart.class,
"multipart/mixed",
"Multipart");
/**
* Return the DataFlavors for this <code>DataContentHandler</code>.
*
* @return The DataFlavors
*/
public DataFlavor[] getTransferDataFlavors() { // throws Exception;
return new DataFlavor[] { myDF };
}
/**
* Return the Transfer Data of type DataFlavor from InputStream.
*
* @param df The DataFlavor
* @param ins The InputStream corresponding to the data
* @return String object
*/
public Object getTransferData(DataFlavor df, DataSource ds) {
// use myDF.equals to be sure to get ActivationDataFlavor.equals,
// which properly ignores Content-Type parameters in comparison
if (myDF.equals(df))
return getContent(ds);
else
return null;
}
/**
* Return the content.
*/
public Object getContent(DataSource ds) {
try {
return new MimeMultipart(
ds, new ContentType(ds.getContentType()));
} catch (Exception e) {
return null;
}
}
/**
* Write the object to the output stream, using the specific MIME type.
*/
public void writeTo(Object obj, String mimeType, OutputStream os)
throws IOException {
if (obj instanceof MimeMultipart) {
try {
//TODO: temporarily allow only ByteOutputStream
// Need to add writeTo(OutputStream) on MimeMultipart
ByteOutputStream baos = null;
if (os instanceof ByteOutputStream) {
baos = (ByteOutputStream)os;
} else {
throw new IOException("Input Stream expected to be a com.sun.xml.messaging.saaj.util.ByteOutputStream, but found " +
os.getClass().getName());
}
((MimeMultipart)obj).writeTo(baos);
} catch (Exception e) {
throw new IOException(e.toString());
}
}
}
}