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package com.sun.xml.ws.encoding;
import com.sun.xml.ws.api.SOAPVersion;
import com.sun.xml.ws.api.WSBinding;
import com.sun.xml.ws.api.message.Attachment;
import com.sun.xml.ws.api.message.Message;
import com.sun.xml.ws.api.message.Packet;
import com.sun.xml.ws.api.pipe.Codec;
import com.sun.xml.ws.api.pipe.ContentType;
import com.sun.xml.ws.developer.StreamingAttachmentFeature;
import javax.activation.CommandMap;
import javax.activation.MailcapCommandMap;
import javax.activation.DataContentHandler;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.nio.channels.ReadableByteChannel;
import java.util.UUID;
/**
* {@link Codec}s that uses the MIME multipart as the underlying format.
*
* <p>
* When the runtime needs to dynamically choose a {@link Codec}, and
* when there are more than one {@link Codec}s that use MIME multipart,
* it is often impossible to determine the right {@link Codec} unless
* you parse the multipart message to some extent.
*
* <p>
* By having all such {@link Codec}s extending from this class,
* the "sniffer" can decode a multipart message partially, and then
* pass the partial parse result to the ultimately-responsible {@link Codec}.
* This improves the performance.
*
* @author Kohsuke Kawaguchi
*/
abstract class MimeCodec implements Codec {
static {
// DataHandler.writeTo() may search for DCH. So adding some default ones.
try {
CommandMap map = CommandMap.getDefaultCommandMap();
if (map instanceof MailcapCommandMap) {
MailcapCommandMap mailMap = (MailcapCommandMap) map;
String hndlrStr = ";;x-java-content-handler=";
mailMap.addMailcap(
"text/xml" + hndlrStr + XmlDataContentHandler.class.getName());
mailMap.addMailcap(
"application/xml" + hndlrStr + XmlDataContentHandler.class.getName());
mailMap.addMailcap(
"image/*" + hndlrStr + ImageDataContentHandler.class.getName());
mailMap.addMailcap(
"text/plain" + hndlrStr + StringDataContentHandler.class.getName());
}
} catch (Throwable t) {
// ignore the exception.
}
}
public static final String MULTIPART_RELATED_MIME_TYPE = "multipart/related";
private String boundary;
private String messageContentType;
private boolean hasAttachments;
protected Codec rootCodec;
protected final SOAPVersion version;
protected final WSBinding binding;
protected MimeCodec(SOAPVersion version, WSBinding binding) {
this.version = version;
this.binding = binding;
}
public String getMimeType() {
return MULTIPART_RELATED_MIME_TYPE;
}
// TODO: preencode String literals to byte[] so that they don't have to
// go through char[]->byte[] conversion at runtime.
public ContentType encode(Packet packet, OutputStream out) throws IOException {
Message msg = packet.getMessage();
if (msg == null) {
return null;
}
if (hasAttachments) {
writeln("--"+boundary, out);
ContentType ct = rootCodec.getStaticContentType(packet);
String ctStr = (ct != null) ? ct.getContentType() : rootCodec.getMimeType();
writeln("Content-Type: " + ctStr, out);
writeln(out);
}
ContentType primaryCt = rootCodec.encode(packet, out);
if (hasAttachments) {
writeln(out);
// Encode all the attchments
for (Attachment att : msg.getAttachments()) {
writeln("--"+boundary, out);
//SAAJ's AttachmentPart.getContentId() returns content id already enclosed with
//angle brackets. For now put angle bracket only if its not there
String cid = att.getContentId();
if(cid != null && cid.length() >0 && cid.charAt(0) != '<')
cid = '<' + cid + '>';
writeln("Content-Id:" + cid, out);
writeln("Content-Type: " + att.getContentType(), out);
writeln("Content-Transfer-Encoding: binary", out);
writeln(out); // write \r\n
att.writeTo(out);
writeln(out); // write \r\n
}
writeAsAscii("--"+boundary, out);
writeAsAscii("--", out);
}
// TODO not returing correct multipart/related type(no boundary)
return hasAttachments ? new ContentTypeImpl(messageContentType, packet.soapAction, null) : primaryCt;
}
public ContentType getStaticContentType(Packet packet) {
Message msg = packet.getMessage();
hasAttachments = !msg.getAttachments().isEmpty();
if (hasAttachments) {
boundary = "uuid:" + UUID.randomUUID().toString();
String boundaryParameter = "boundary=\"" + boundary + "\"";
// TODO use primaryEncoder to get type
messageContentType = MULTIPART_RELATED_MIME_TYPE +
"; type=\"" + rootCodec.getMimeType() + "\"; " +
boundaryParameter;
return new ContentTypeImpl(messageContentType, packet.soapAction, null);
} else {
return rootCodec.getStaticContentType(packet);
}
}
/**
* Copy constructor.
*/
protected MimeCodec(MimeCodec that) {
this.version = that.version;
this.binding = that.binding;
}
public void decode(InputStream in, String contentType, Packet packet) throws IOException {
MimeMultipartParser parser = new MimeMultipartParser(in, contentType, binding.getFeature(StreamingAttachmentFeature.class));
decode(parser,packet);
}
public void decode(ReadableByteChannel in, String contentType, Packet packet) {
throw new UnsupportedOperationException();
}
/**
* Parses a {@link Packet} from a {@link MimeMultipartParser}.
*/
protected abstract void decode(MimeMultipartParser mpp, Packet packet) throws IOException;
public abstract MimeCodec copy();
public static void writeln(String s,OutputStream out) throws IOException {
writeAsAscii(s,out);
writeln(out);
}
/**
* Writes a string as ASCII string.
*/
public static void writeAsAscii(String s,OutputStream out) throws IOException {
int len = s.length();
for( int i=0; i<len; i++ )
out.write((byte)s.charAt(i));
}
public static void writeln(OutputStream out) throws IOException {
out.write('\r');
out.write('\n');
}
}