/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
package org.apache.axiom.mime.impl.javamail;
import java.io.IOException;
import java.io.OutputStream;
import java.io.UnsupportedEncodingException;
import javax.activation.DataHandler;
import javax.mail.MessagingException;
import javax.mail.internet.MimeBodyPart;
import org.apache.axiom.mime.MultipartWriter;
import org.apache.axiom.util.blob.BlobDataSource;
import org.apache.axiom.util.blob.MemoryBlob;
import org.apache.axiom.util.blob.WritableBlob;
class MultipartWriterImpl implements MultipartWriter {
private static byte[] DASH_DASH = { '-', '-' };
private static byte[] CR_LF = { 13, 10 };
class PartOutputStream extends OutputStream {
private final String contentType;
private final String contentTransferEncoding;
private final String contentID;
private final WritableBlob blob;
private final OutputStream parent;
public PartOutputStream(String contentType, String contentTransferEncoding,
String contentID) {
this.contentType = contentType;
this.contentTransferEncoding = contentTransferEncoding;
this.contentID = contentID;
blob = new MemoryBlob();
parent = blob.getOutputStream();
}
public void write(int b) throws IOException {
parent.write(b);
}
public void write(byte[] b, int off, int len) throws IOException {
parent.write(b, off, len);
}
public void write(byte[] b) throws IOException {
parent.write(b);
}
public void close() throws IOException {
parent.close();
writePart(new DataHandler(new BlobDataSource(blob, contentType)),
contentTransferEncoding, contentID);
}
}
private final OutputStream out;
private final byte[] boundary;
public MultipartWriterImpl(OutputStream out, String boundary) {
this.out = out;
try {
this.boundary = boundary.getBytes("ascii");
} catch (UnsupportedEncodingException ex) {
// If we ever get here, then there is something really wrong with the JRE...
throw new RuntimeException(ex);
}
}
public OutputStream writePart(String contentType, String contentTransferEncoding,
String contentID) throws IOException {
return new PartOutputStream(contentType, contentTransferEncoding, contentID);
}
public void writePart(DataHandler dataHandler, String contentTransferEncoding,
String contentID) throws IOException {
MimeBodyPart mimeBodyPart = new MimeBodyPart();
try {
mimeBodyPart.setDataHandler(dataHandler);
mimeBodyPart.addHeader("Content-ID", "<" + contentID + ">");
mimeBodyPart.addHeader("Content-Type", dataHandler.getContentType());
mimeBodyPart.addHeader("Content-Transfer-Encoding", contentTransferEncoding);
} catch (MessagingException ex) {
IOException ex2 = new IOException("Unable to create MimeBodyPart");
ex2.initCause(ex);
throw ex2;
}
out.write(DASH_DASH);
out.write(boundary);
out.write(CR_LF);
try {
mimeBodyPart.writeTo(out);
} catch (MessagingException ex) {
IOException ex2 = new IOException("Unable to write the MimeBodyPart object");
ex2.initCause(ex);
throw ex2;
}
out.write(CR_LF);
}
public void complete() throws IOException {
out.write(DASH_DASH);
out.write(boundary);
out.write(DASH_DASH);
out.write(CR_LF);
}
}