org.apache.cxf.attachment.AttachmentSerializer Maven / Gradle / Ivy
/**
* 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.cxf.attachment;
import java.io.IOException;
import java.io.OutputStream;
import java.io.StringWriter;
import java.io.Writer;
import java.net.URLDecoder;
import org.apache.cxf.message.Attachment;
import org.apache.cxf.message.Message;
public class AttachmentSerializer {
private static final String BODY_ATTACHMENT_ID = "[email protected]";
private Message message;
private String bodyBoundary;
private OutputStream out;
private String encoding;
private boolean xop = true;
public AttachmentSerializer(Message messageParam) {
message = messageParam;
}
/**
* Serialize the beginning of the attachment which includes the MIME
* beginning and headers for the root message.
*/
public void writeProlog() throws IOException {
// Create boundary for body
bodyBoundary = AttachmentUtil.getUniqueBoundaryValue(0);
String bodyCt = (String) message.get(Message.CONTENT_TYPE);
bodyCt = bodyCt.replaceAll("\"", "\\\"");
// The bodyCt string is used enclosed within "", so if it contains the character ", it
// should be adjusted, like in the following case:
// application/soap+xml; action="urn:ihe:iti:2007:RetrieveDocumentSet"
// The attribute action is added in SoapActionOutInterceptor, when SOAP 1.2 is used
// The string has to be changed in:
// application/soap+xml"; action="urn:ihe:iti:2007:RetrieveDocumentSet
// so when it is enclosed within "", the result must be:
// "application/soap+xml"; action="urn:ihe:iti:2007:RetrieveDocumentSet"
// instead of
// "application/soap+xml; action="urn:ihe:iti:2007:RetrieveDocumentSet""
// that is wrong because when used it produces:
// type="application/soap+xml; action="urn:ihe:iti:2007:RetrieveDocumentSet""
if ((bodyCt.indexOf('"') != -1) && (bodyCt.indexOf(';') != -1)) {
int pos = bodyCt.indexOf(';');
StringBuffer st = new StringBuffer(bodyCt.substring(0 , pos));
st.append("\"").append(bodyCt.substring(pos, bodyCt.length() - 1));
bodyCt = st.toString();
}
String enc = (String) message.get(Message.ENCODING);
if (enc == null) {
enc = "UTF-8";
}
// Set transport mime type
StringBuilder ct = new StringBuilder();
ct.append("multipart/related; ");
if (xop) {
ct.append("type=\"application/xop+xml\"; ");
}
ct.append("boundary=\"")
.append(bodyBoundary)
.append("\"; ")
.append("start=\"<")
.append(BODY_ATTACHMENT_ID)
.append(">\"; ")
.append("start-info=\"")
.append(bodyCt)
.append("\"");
message.put(Message.CONTENT_TYPE, ct.toString());
// 2. write headers
out = message.getContent(OutputStream.class);
encoding = (String) message.get(Message.ENCODING);
if (encoding == null) {
encoding = "UTF-8";
}
StringWriter writer = new StringWriter();
writer.write("\r\n");
writer.write("--");
writer.write(bodyBoundary);
StringBuilder mimeBodyCt = new StringBuilder();
mimeBodyCt.append("application/xop+xml; charset=")
.append(enc)
.append("; type=\"")
.append(bodyCt)
.append("\";");
writeHeaders(mimeBodyCt.toString(), BODY_ATTACHMENT_ID, writer);
out.write(writer.getBuffer().toString().getBytes(encoding));
}
private void writeHeaders(String contentType, String attachmentId, Writer writer) throws IOException {
writer.write("\r\n");
writer.write("Content-Type: ");
writer.write(contentType);
writer.write("\r\n");
writer.write("Content-Transfer-Encoding: binary\r\n");
writer.write("Content-ID: <");
writer.write(URLDecoder.decode(attachmentId, "UTF-8"));
writer.write(">\r\n\r\n");
}
/**
* Write the end of the body boundary and any attachments included.
* @throws IOException
*/
public void writeAttachments() throws IOException {
if (message.getAttachments() != null) {
for (Attachment a : message.getAttachments()) {
StringWriter writer = new StringWriter();
writer.write("\r\n");
writer.write("--");
writer.write(bodyBoundary);
writeHeaders(a.getDataHandler().getContentType(), a.getId(), writer);
out.write(writer.getBuffer().toString().getBytes(encoding));
a.getDataHandler().writeTo(out);
}
}
StringWriter writer = new StringWriter();
writer.write("\r\n");
writer.write("--");
writer.write(bodyBoundary);
writer.write("--");
out.write(writer.getBuffer().toString().getBytes(encoding));
out.flush();
}
public boolean isXop() {
return xop;
}
public void setXop(boolean xop) {
this.xop = xop;
}
}