/**
* 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.jaxb.attachment;
import java.io.File;
import java.io.IOException;
import java.io.UnsupportedEncodingException;
import java.util.Collection;
import java.util.UUID;
import javax.activation.DataHandler;
import javax.activation.DataSource;
import javax.activation.FileDataSource;
import javax.xml.bind.attachment.AttachmentMarshaller;
import org.apache.cxf.attachment.AttachmentImpl;
import org.apache.cxf.attachment.AttachmentUtil;
import org.apache.cxf.attachment.ByteDataSource;
import org.apache.cxf.interceptor.Fault;
import org.apache.cxf.message.Attachment;
public class JAXBAttachmentMarshaller extends AttachmentMarshaller {
private static final int THRESHOLD = 5 * 1024;
private Collection<Attachment> atts;
private boolean isXop;
public JAXBAttachmentMarshaller(Collection<Attachment> attachments) {
super();
atts = attachments;
isXop = attachments != null;
}
public String addMtomAttachment(byte[] data, int offset, int length, String mimeType, String elementNS,
String elementLocalName) {
if (!isXop) {
return null;
}
if (mimeType == null) {
mimeType = "application/octet-stream";
}
if ("application/octet-stream".equals(mimeType)
&& length < THRESHOLD) {
return null;
}
ByteDataSource source = new ByteDataSource(data, offset, length);
source.setContentType(mimeType);
DataHandler handler = new DataHandler(source);
String id;
try {
id = AttachmentUtil.createContentID(elementNS);
} catch (UnsupportedEncodingException e) {
throw new Fault(e);
}
AttachmentImpl att = new AttachmentImpl(id, handler);
att.setXOP(this.isXop);
atts.add(att);
return "cid:" + id;
}
public String addMtomAttachment(DataHandler handler, String elementNS, String elementLocalName) {
if (!isXop) {
return null;
}
// The following is just wrong. Even if the DataHandler has a stream, we should still
// apply the threshold.
try {
DataSource ds = handler.getDataSource();
if (ds instanceof FileDataSource) {
FileDataSource fds = (FileDataSource)ds;
File file = fds.getFile();
if (file.length() < THRESHOLD) {
return null;
}
} else if (ds.getClass().getName().endsWith("ObjectDataSource")) {
Object o = handler.getContent();
if (o instanceof String
&& ((String)o).length() < THRESHOLD) {
return null;
} else if (o instanceof byte[] && ((byte[])o).length < THRESHOLD) {
return null;
}
}
} catch (IOException e1) {
//ignore, just do the normal attachment thing
}
String id;
try {
id = AttachmentUtil.createContentID(elementNS);
} catch (UnsupportedEncodingException e) {
throw new Fault(e);
}
AttachmentImpl att = new AttachmentImpl(id, handler);
att.setXOP(this.isXop);
atts.add(att);
return "cid:" + id;
}
@Override
public String addSwaRefAttachment(DataHandler handler) {
String id = UUID.randomUUID() + "@apache.org";
AttachmentImpl att = new AttachmentImpl(id, handler);
att.setXOP(false);
atts.add(att);
return id;
}
public void setXOPPackage(boolean xop) {
this.isXop = xop;
}
@Override
public boolean isXOPPackage() {
return isXop;
}
}