/**
* Handles the given {@link ArrayNode} and writes the responses to the given {@link OutputStream}.
*
* @param node the {@link JsonNode}
* @param ops the {@link OutputStream}
* @throws JsonGenerationException
* @throws JsonMappingException
* @throws IOException
*/
private void handleArray(ArrayNode node, OutputStream ops)
throws JsonGenerationException, JsonMappingException, IOException {
// loop through each array element
for (int i = 0; i < node.size(); i++) {
handleNode(node.get(i), ops);
}
}
/**
* Handles a single request from the given {@link InputStream}, that is to say that a single
* {@link JsonNode} is read from the stream and treated as a JSON-RPC request. All responses are
* written to the given {@link OutputStream}.
*
* @param ips the {@link InputStream}
* @param ops the {@link OutputStream}
* @throws JsonParseException
* @throws JsonMappingException
* @throws IOException
*/
public void handle(HttpServletRequest request, HttpServletResponse response)
throws JsonParseException, JsonMappingException, IOException {
// set response type
response.setContentType(JSONRPC_RESPONSE_CONTENT_TYPE);
// setup streams
InputStream input = null;
OutputStream output = response.getOutputStream();
// POST
if (request.getMethod().equals("POST")) {
input = request.getInputStream();
// GET
} else if (request.getMethod().equals("GET")) {
// get parameters
String method = request.getParameter("method");
String id = request.getParameter("id");
String params =
URLDecoder.decode(new String(Base64.decode(request.getParameter("params"))), "UTF-8");
// create full RPC request
StringBuilder buff = new StringBuilder();
buff.append("{ ")
.append("\"id\": \"")
.append(id)
.append("\", ")
.append("\"method\": \"")
.append(method)
.append("\", ")
.append("\"params\": ")
.append(params)
.append(" ")
.append("}");
// setup stream to byte array
input = new ByteArrayInputStream(buff.toString().getBytes());
// invalid request
} else {
throw new IOException("Invalid request method, only POST and GET is supported");
}
// service the request
handleNode(mapper.readValue(input, JsonNode.class), output);
}
/**
* Handles a single request from the given {@link InputStream}, that is to say that a single
* {@link JsonNode} is read from the stream and treated as a JSON-RPC request. All responses are
* written to the given {@link OutputStream}.
*
* @param ips the {@link InputStream}
* @param ops the {@link OutputStream}
* @throws IOException on error
*/
public void handle(InputStream ips, OutputStream ops) throws IOException {
handleNode(
mapper.readTree(new NoCloseInputStream(ips)),
new com.googlecode.jsonrpc4j.OutputStreamWrapper.BasicOutputStreamWrapper(mapper, ops));
}
/**
* Handles a single request from the given {@link InputStream}, that is to say that a single
* {@link JsonNode} is read from the stream and treated as a JSON-RPC request. All responses are
* written to the given {@link OutputStreamWrapper}.
*
* @param ips the {@link InputStream}
* @param opsw the {@link OutputStreamWrapper}
* @throws IOException on error
*/
public void handle(InputStream ips, OutputStreamWrapper opsw) throws IOException {
handleNode(mapper.readTree(new NoCloseInputStream(ips)), opsw);
}
/**
* Handles a single request from the given {@link InputStream}, that is to say that a single
* {@link JsonNode} is read from the stream and treated as a JSON-RPC request. All responses are
* written to the given {@link OutputStream}.
*
* @param ips the {@link InputStream}
* @param ops the {@link OutputStream}
* @throws JsonParseException
* @throws JsonMappingException
* @throws IOException
*/
public void handle(InputStream ips, OutputStream ops)
throws JsonParseException, JsonMappingException, IOException {
handleNode(mapper.readValue(ips, JsonNode.class), ops);
}
