com.sun.xml.ws.message.MimeAttachmentSet Maven / Gradle / Ivy
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package com.sun.xml.ws.message;
import com.sun.xml.ws.api.message.AttachmentSet;
import com.sun.xml.ws.api.message.Attachment;
import com.sun.xml.ws.encoding.MimeMultipartParser;
import com.sun.xml.ws.resources.EncodingMessages;
import com.sun.istack.Nullable;
import javax.xml.ws.WebServiceException;
import java.util.Iterator;
import java.util.Map;
import java.util.HashMap;
import java.io.IOException;
/**
* {@link AttachmentSet} backed by {@link com.sun.xml.ws.encoding.MimeMultipartParser}
*
* @author Vivek Pandey
*/
public final class MimeAttachmentSet implements AttachmentSet {
private final MimeMultipartParser mpp;
private Map atts = new HashMap();
public MimeAttachmentSet(MimeMultipartParser mpp) {
this.mpp = mpp;
}
@Nullable
public Attachment get(String contentId) {
Attachment att;
/**
* First try to get the Attachment from internal map, maybe this attachment
* is added by the user.
*/
att = atts.get(contentId);
if(att != null)
return att;
try {
/**
* Attachment is not found in the internal map, now do look in
* the mpp, if found add to the internal Attachment map.
*/
att = mpp.getAttachmentPart(contentId);
if(att != null){
atts.put(contentId, att);
}
} catch (IOException e) {
throw new WebServiceException(EncodingMessages.NO_SUCH_CONTENT_ID(contentId), e);
}
return att;
}
/**
* This is expensive operation, its going to to read all the underlying
* attachments in {@link MimeMultipartParser}.
*/
public boolean isEmpty() {
return atts.size() <= 0 && mpp.getAttachmentParts().isEmpty();
}
public void add(Attachment att) {
atts.put(att.getContentId(), att);
}
/**
* Expensive operation.
*/
public Iterator iterator() {
/**
* Browse thru all the attachments in the mpp, add them to #atts,
* then return whether its empty.
*/
Map attachments = mpp.getAttachmentParts();
for(Map.Entry att : attachments.entrySet()) {
if(atts.get(att.getKey()) == null){
atts.put(att.getKey(), att.getValue());
}
}
return atts.values().iterator();
}
}