/**
* 解析微信消息，并传递给对应方法
*
* @param is 输入流
* @param os 输出流
*/
public void process(InputStream is, OutputStream os) {
this.os = os;
try {
Document document = builder.parse(is);
MessageHead head = new MessageHead();
head.read(document);
Message message = createMessage(head);
if (message != null) {
message.read(document);
Message response = onMessage(message);
if (response != null) {
response(response);
}
}
} catch (Exception e) {
e.printStackTrace();
}
}
/**
* 回传消息给微信服务器 只能再接收到微信服务器消息后，才能调用此方法
*
* @param msg 消息对象（支持：文本、音乐、图文）
*/
private void response(Message msg) {
Document document = builder.newDocument();
msg.write(document);
try {
Transformer transformer = tffactory.newTransformer();
transformer.transform(
new DOMSource(document), new StreamResult(new OutputStreamWriter(os, "utf-8")));
} catch (Exception e) {
e.printStackTrace(); // 保存dom至目输出流
}
IOUtils.closeQuietly(is);
IOUtils.closeQuietly(os);
}