public void create(ServiceDescription sd) throws ServantException {
super.create(sd);
Properties p = sd.getProperties();
int bufferSize = PropertiesConstants.getInt(p, "bufferSize", 10240, true);
buffer = new byte[bufferSize];
domain = PropertiesConstants.getString(p, "blob.domain", domain);
blobManager = BlobTool.getBlobManager(domain);
if (blobManager == null) {
throw new ServantException(
"core.blob_not_found", "Can not find a blob manager named: " + domain);
}
}
public int actionProcess(Context ctx) throws Exception {
ctx.asMessage(BlobMessage.class);
String fileId = getArgument("fileId", ctx);
String domain = getArgument("domain", "default", ctx);
BlobManager manager = BlobTool.getBlobManager(domain);
if (manager == null) {
throw new ServantException(
"core.blob_not_found", "Can not find a blob manager named " + domain);
}
BlobReader reader = manager.getFile(fileId);
if (reader == null) {
throw new ServantException("core.blob_not_found", "Can not find a blob file named " + fileId);
}
BlobInfo info = reader.getBlobInfo();
ctx.setResponseContentType(info.contentType());
InputStream in = reader.getInputStream(0);
OutputStream out = ctx.getOutputStream();
try {
int size = 0;
while ((size = in.read(buffer)) != -1) {
out.write(buffer, 0, size);
}
} finally {
IOTools.close(in);
}
return 0;
}