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package org.bdware.irp.client;
import com.google.gson.Gson;
import com.google.gson.JsonObject;
import com.google.gson.reflect.TypeToken;
import com.nimbusds.jose.jwk.JWK;
import org.apache.http.HttpResponse;
import org.apache.http.HttpStatus;
import org.apache.http.client.entity.UrlEncodedFormEntity;
import org.apache.http.client.methods.CloseableHttpResponse;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.impl.client.CloseableHttpClient;
import org.apache.http.impl.client.HttpClients;
import org.apache.http.message.BasicNameValuePair;
import org.apache.logging.log4j.LogManager;
import org.apache.logging.log4j.Logger;
import org.bdware.irp.exception.IrpClientException;
import org.bdware.irp.irplib.core.IrpMessageSigner;
import org.bdware.irp.irplib.exception.IrpConnectException;
import org.bdware.irp.stateinfo.StateInfoBase;
import java.io.BufferedReader;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
public class InternalIrpClient implements IrpClient {
JWK clientKeyPair;
String LHSUrl;
static Logger logger = LogManager.getLogger(InternalIrpClient.class);
String ClientID;
public InternalIrpClient(JWK kp, String clientID, String LHSUrl) {
this.clientKeyPair = kp;
this.ClientID = clientID;
this.LHSUrl = LHSUrl;
}
@Override
public StateInfoBase resolve(String handle) throws IrpClientException {
String response = resolveFromLHS(handle);
JsonObject resp = new Gson().fromJson(response, JsonObject.class);
StateInfoBase hr = new StateInfoBase();
if (resp == null || !resp.has("identifier")
|| (resp.has("status"))) {
throw new IrpClientException(response);
}
hr.identifier = resp.get("identifier").getAsString();
if (resp.has("handleValues"))
hr.handleValues = resp.getAsJsonObject("handleValues");
else
hr.handleValues = resp;
return hr;
}
@Override
public String register(StateInfoBase hr) throws IrpClientException {
Map map = hrToMap(hr);
map.remove("identifier");
map.put("action", "register");
String response = signAndSend(map);
JsonObject resp = new Gson().fromJson(response, JsonObject.class);
if (resp == null || !resp.has("identifier")) {
throw new IrpClientException(response);
}
return resp.get("identifier").getAsString();
}
@Override
public List batchRegister(StateInfoBase hr, int count) throws IrpClientException {
Map map = hrToMap(hr);
map.remove("identifier");
map.put("action", "register");
map.put("count", String.valueOf(count));
String response = signAndSend(map);
JsonObject resp = new Gson().fromJson(response, JsonObject.class);
List idList = new Gson().fromJson(resp.get("identifier").getAsString(), new TypeToken>() {
}.getType());
if (idList == null) {
throw new IrpClientException(response);
}
return idList;
}
@Override
public void close() {
}
@Override
public void connect(String url) {
}
@Override
public void connect(String clientID, String LHSUrl, IrpMessageSigner signer) {
}
@Override
public void reconnect() throws IrpConnectException {
}
@Override
public boolean isConnected() {
return false;
}
@Override
public String reRegister(StateInfoBase hr) throws IrpClientException {
if (hr.identifier == null) {
logger.warn("handle need to be set.");
}
Map map = hrToMap(hr);
map.put("identifier", hr.identifier);
map.put("action", "reregister");
String response = signAndSend(map);
JsonObject resp = new Gson().fromJson(response, JsonObject.class);
if (resp == null || !resp.has("identifier")) {
throw new IrpClientException(response);
}
return resp.get("identifier").getAsString();
}
@Override
public String unRegister(String handle) {
Map map = new HashMap<>();
map.put("identifier", handle);
map.put("action", "unregister");
return signAndSend(map);
}
private String signAndSend(Map map) {
// map.put("dou",this.ClientID);
// String reqMapStr = MapToString(map);
// if(clientKeyPair != null){
// try {
// byte[] signature = CertUtils.Sign(reqMapStr.getBytes(), clientKeyPair.getPrivate());
// map.put("signature",new String(signature));
// }catch (Exception e){
// e.printStackTrace();
// }
// }
return sendPost(map, LHSUrl + getSubUrl());
}
public String sendPost(Map reqMap, String url) {
String result;
HttpPost post = new HttpPost(url);
try {
CloseableHttpClient httpClient = HttpClients.createDefault();
List params = new ArrayList<>();
for (String keys : reqMap.keySet()) {
params.add(new BasicNameValuePair(keys, reqMap.get(keys)));
}
UrlEncodedFormEntity postForm = new UrlEncodedFormEntity(params, "utf-8");
post.setEntity(postForm);
HttpResponse response = httpClient.execute(post);
InputStream in = response.getEntity().getContent();
BufferedReader br = new BufferedReader(new InputStreamReader(in, "utf-8"));
StringBuilder strber = new StringBuilder();
String line = null;
while ((line = br.readLine()) != null) {
strber.append(line + '\n');
}
br.close();
in.close();
result = strber.toString();
if (response.getStatusLine().getStatusCode() != HttpStatus.SC_OK) {
result = "服务器异常";
}
} catch (Exception e) {
System.out.println("请求异常");
throw new RuntimeException(e);
} finally {
post.abort();
}
return result;
}
public String resolveFromLHS(String id) {
String result;
String resolveUrl = LHSUrl + "resolve?identifier=" + id;
HttpGet httpGet = new HttpGet(resolveUrl);
CloseableHttpClient httpClient = null;
CloseableHttpResponse response = null;
InputStream in = null;
BufferedReader br = null;
try {
httpClient = HttpClients.createDefault();
response = httpClient.execute(httpGet);
in = response.getEntity().getContent();
br = new BufferedReader(new InputStreamReader(in, "utf-8"));
StringBuilder strber = new StringBuilder();
String line = null;
while ((line = br.readLine()) != null) {
strber.append(line + '\n');
}
result = strber.toString();
if (response.getStatusLine().getStatusCode() != HttpStatus.SC_OK) {
result = "服务器异常";
}
} catch (Exception e) {
System.out.println("请求异常");
throw new RuntimeException(e);
} finally {
if (br != null) {
try {
br.close();
} catch (Exception e) {
e.printStackTrace();
}
}
if (in != null) {
try {
in.close();
} catch (Exception e) {
e.printStackTrace();
}
}
if (response != null) {
try {
response.close();
} catch (Exception e) {
e.printStackTrace();
}
}
if (httpClient != null) {
try {
httpClient.close();
} catch (Exception e) {
e.printStackTrace();
}
}
}
return result;
}
private HashMap hrToMap(StateInfoBase handleRecord) {
HashMap hrMap = new HashMap<>();
for (String keys : handleRecord.handleValues.keySet()) {
hrMap.put(keys, handleRecord.handleValues.get(keys).getAsString());
}
String className = handleRecord.getClass().getSimpleName();
switch (className) {
case "DoStateInfo":
hrMap.put("hrType", "do");
break;
case "DoipServiceStateInfo":
hrMap.put("hrType", "org/bdware/doip");
break;
case "UserStateInfo":
hrMap.put("hrType", "dou");
break;
default:
logger.error("use specific handle record class instead.");
break;
}
return hrMap;
}
private String getSubUrl() {
return "local/";
}
}