Java Web 服务性能优化

[java]代码库

public boolean handleMessage(MessageContext arg0) { 
	SOAPMessageContext ct = (SOAPMessageContext) arg0; 
	boolean isRequestFlag = (Boolean) arg0 
			.get(MessageContext.MESSAGE_OUTBOUND_PROPERTY); 
	SOAPMessage msg = ct.getMessage(); 
	if (isRequestFlag) { 
		try { 
			SOAPBody body = msg.getSOAPBody(); 
			Node port = body.getChildNodes().item(0); 
			String portContent = port.toString(); 
			NodeList list = port.getChildNodes(); 
			for (int i = 0; i < list.getLength(); i++) { 
				port.removeChild(list.item(i)); 
			} 
			ByteArrayOutputStream outArr = new ByteArrayOutputStream(); 
			GZIPOutputStream zip = new GZIPOutputStream(outArr); 
			zip.write(portContent.getBytes()); 
			zip.flush(); 
			zip.close(); 
			byte[] arr = outArr.toByteArray(); 
			TestDataSource ds = new TestDataSource(arr); 
			AttachmentPart attPart = msg.createAttachmentPart(); 
			attPart.setDataHandler(new DataHandler(ds)); 
			msg.addAttachmentPart(attPart); 
		} catch (SOAPException e) { 
			e.printStackTrace(); 
		} catch (IOException e) { 
			e.printStackTrace(); 
		} 
	} 
	return true; 
}//源代码片段来自云代码http://yuncode.net