MimeMultipartProvider.java

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package com.sun.jersey.core.impl.provider.entity;

import com.sun.jersey.core.provider.AbstractMessageReaderWriterProvider;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.lang.annotation.Annotation;
import java.lang.reflect.Type;
import javax.mail.MessagingException;
import javax.mail.internet.MimeMultipart;
import javax.mail.internet.ParseException;
import javax.mail.util.ByteArrayDataSource;
import javax.ws.rs.WebApplicationException;
import javax.ws.rs.core.MediaType;
import javax.ws.rs.core.MultivaluedMap;
import javax.ws.rs.core.Response.Status;

/**
 *
 * @author Paul.Sandoz@Sun.Com
 */
public final class MimeMultipartProvider extends AbstractMessageReaderWriterProvider<MimeMultipart> {
    
    public MimeMultipartProvider() {
        Class<?> c = MimeMultipart.class;
    }
    
    public boolean isReadable(Class<?> type, Type genericType, Annotation annotations[], MediaType mediaType) {
        return type == MimeMultipart.class;        
    }
    
    public MimeMultipart readFrom(
            Class<MimeMultipart> type, 
            Type genericType, 
            Annotation annotations[],
            MediaType mediaType, 
            MultivaluedMap<String, String> httpHeaders, 
            InputStream entityStream) throws IOException {
        if (mediaType == null)
            mediaType = new MediaType("multipart", "form-data");
        ByteArrayDataSource ds = new ByteArrayDataSource(entityStream, mediaType.toString());
        try {
            return new MimeMultipart(ds);
        } catch (ParseException ex) {
            throw new WebApplicationException(ex, Status.BAD_REQUEST);
        } catch (MessagingException ex) {
            throw new WebApplicationException(ex, Status.INTERNAL_SERVER_ERROR);
        }
    }

    public boolean isWriteable(Class<?> type, Type genericType, Annotation annotations[], MediaType mediaType) {
        return type == MimeMultipart.class;        
    }
    
    
    public void writeTo(
            MimeMultipart t, 
            Class<?> type, 
            Type genericType, 
            Annotation annotations[], 
            MediaType mediaType, 
            MultivaluedMap<String, Object> httpHeaders,
            OutputStream entityStream) throws IOException {
        try {
            // TODO put boundary string as parameter of media type?
            t.writeTo(entityStream);
        } catch (MessagingException ex) {
            throw new WebApplicationException(ex, Status.INTERNAL_SERVER_ERROR);
        }
    }
}