On Thu, Jun 5, 2014 at 4:01 PM, Justin Deoliveira <[email protected]
> wrote:
> What does the WPS spec say that binary encoded data is supposed to look
> like? Hard to visualize this one without some context but my first
> impression is that we could implement the encode() method for the binding
> and insert the binary/cdata encoded content directly into the dom element
> that is provided.
>
>
So had a look around and found this example of direct encoding, in
SimpleContentComplexEMFBinding:
/**
* Calls getValue() and appends the result as child text of
<tt>value</tt>.
*/
public Element encode(Object object, Document document, Element value)
throws Exception {
EObject eobject = (EObject) object;
if ( EMFUtils.has( eobject, "value") ) {
Object v = EMFUtils.get( ((EObject)object), "value" );
if ( v != null ) {
value.appendChild( document.createTextNode( v.toString() )
);
}
}
return value;
}
I guess the binding has to either implement encode, or to return the
properties, right?
One thing that bothers me about the above example is that it's memory
bound, if I have
a large binary to put in the output module, I'd rather go with a
ContentHandler instead,
which is what the binary delegates expect anyways, for example:
public class RawDataEncoderDelegate implements EncoderDelegate {
private RawData rawData;
public RawDataEncoderDelegate(RawData rawData) {
this.rawData = rawData;
}
* public void encode(ContentHandler output) throws Exception {*
InputStream is = null;
try {
is = rawData.getInputStream();
byte[] buffer = new byte[4096];
int read = 0;
while ((read = is.read(buffer)) > 0) {
char[] chars;
if (read == 4096) {
chars = new
String(Base64.encodeBase64(buffer)).toCharArray();
} else {
byte[] reducedBuffer = new byte[read];
System.arraycopy(buffer, 0, reducedBuffer, 0, read);
chars = new
String(Base64.encodeBase64(reducedBuffer)).toCharArray();
}
output.characters(chars, 0, chars.length);
}
} finally {
IOUtils.closeQuietly(is);
}
}
public void encode(OutputStream os) throws IOException {
IOUtils.copy(rawData.getInputStream(), os);
}
Is this possible?
Cheers
Andrea
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