Voomra/vk-api-uni
Archived
0
Fork 0
Code Activity

Init project

Browse Source
This commit is contained in:
DmitriyMX
2017-04-10 14:09:09 +03:00
commit 2b21c914f9
6 changed files with 271 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

24
.gitignore vendored Normal file
View File

@@ -0,0 +1,24 @@
## IDEA ##
.idea/
out/
*.iml
*.ipr
*.iws
*.ids
## ECLIPSE ##
.settings/
bin/
.classpath
.project
## GRADLE ##
.gradle/
build/
## MAVEN ##
target/
## OTHER ##
lib/

58
pom.xml Normal file
View File

@@ -0,0 +1,58 @@
<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0
http://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<name>VK Api Uni</name>
<groupId>ru.dmitriymx</groupId>
<artifactId>vkapiuni</artifactId>
<version>1.0-SNAPSHOT</version>
<properties>
<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
<java.version>1.8</java.version>
<slf4j.version>1.7.21</slf4j.version>
</properties>
<dependencies>
<!-- LOGGER -->
<dependency>
<groupId>org.slf4j</groupId>
<artifactId>slf4j-api</artifactId>
<version>${slf4j.version}</version>
</dependency>
<!-- COMPONENTS -->
<dependency>
<groupId>com.google.code.gson</groupId>
<artifactId>gson</artifactId>
<version>2.8.0</version>
</dependency>
</dependencies>
<build>
<finalName>${project.artifactId}-${project.version}</finalName>
<plugins>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-compiler-plugin</artifactId>
<version>3.5.1</version>
<configuration>
<source>${java.version}</source>
<target>${java.version}</target>
<encoding>${project.build.sourceEncoding}</encoding>
</configuration>
</plugin>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-surefire-plugin</artifactId>
<version>2.15</version>
<configuration>
<argLine>-Dfile.encoding=${project.build.sourceEncoding}</argLine>
</configuration>
</plugin>
</plugins>
</build>
</project>

12
src/main/java/ru/dmitriymx/vkapi/Browser.java Normal file
View File

@@ -0,0 +1,12 @@
/*
* DmitriyMX <mail@dmitriymx.ru>
* 2017-04-10
*/
package ru.dmitriymx.vkapi;
import java.io.IOException;
public interface Browser {
Response get(String url) throws IOException;
Response post(String url, String data) throws IOException;
}

11
src/main/java/ru/dmitriymx/vkapi/Response.java Normal file
View File

@@ -0,0 +1,11 @@
/*
* DmitriyMX <mail@dmitriymx.ru>
* 2017-04-10
*/
package ru.dmitriymx.vkapi;
public interface Response {
int getStatus();
String getContentType();
String getContent();
}

149
src/main/java/ru/dmitriymx/vkapi/VkApi.java Normal file
View File

@@ -0,0 +1,149 @@
/*
* DmitriyMX <mail@dmitriymx.ru>
* 2017-04-10
*/
package ru.dmitriymx.vkapi;
import com.google.gson.Gson;
import com.google.gson.JsonObject;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import java.io.IOException;
import java.util.Map;
import java.util.stream.Collectors;
public class VkApi {
private static final String VKAPI_URL = "https://api.vk.com/method/";
private final Logger logger = LoggerFactory.getLogger(VkApi.class);
private final String accessToken;
private final Browser browser;
private final Gson gson;
private String apiVersion = "5.62";
private long callPause = 1200L;
private long lastTime;
private int call = 0;
public VkApi(String accessToken, Browser browser) {
if (accessToken == null || accessToken.trim().isEmpty()) {
throw new RuntimeException("Access token don't be NULL or EMPTY!");
}
this.accessToken = accessToken;
this.browser = browser;
this.gson = new Gson();
}
public String getApiVersion() {
return apiVersion;
}
public void setApiVersion(String apiVersion) {
this.apiVersion = apiVersion;
}
public long getCallPause() {
return callPause;
}
public void setCallPause(long callPause) {
this.callPause = callPause;
}
public JsonObject execApi(String methodApi, Map<String, String> params) throws VkApiException {
checkCalls();
String url = VKAPI_URL + methodApi;
String postData = paramsToString(params);
Response response;
try {
response = browser.post(url, postData);
} catch (IOException e) {
throw new RuntimeException(e);
}
chechResponse(response);
JsonObject jsonObject = gson.fromJson(response.getContent(), JsonObject.class);
if (jsonObject.has("error")) {
throw new VkApiException(jsonObject);
}
return jsonObject;
}
public JsonObject longExecApi(String server, String key, long ts, long wait) throws VkApiException {
String url = String.format("https://%s?act=a_check&key=%s&ts=%d&wait=%d&mode=2&version=1",
server, key, ts, wait
);
Response response;
try {
response = browser.get(url);
} catch (IOException e) {
throw new RuntimeException(e);
}
chechResponse(response);
JsonObject jsonObject = gson.fromJson(response.getContent(), JsonObject.class);
if (jsonObject.has("error")) {
throw new VkApiException(jsonObject);
}
return jsonObject;
}
private String paramsToString(Map<String, String> params) {
String collect = "";
if (params != null && params.size() > 0) {
collect = "&" + params.entrySet().stream()
.map(entry -> entry.getKey() + "=" + entry.getValue())
.collect(Collectors.joining("&"));
}
return "access_token=" + accessToken + "&v=" + apiVersion + collect;
}
private void checkCalls() {
if (call >= 3) {
long currTime = System.currentTimeMillis();
long diff = currTime - lastTime;
if (diff <= callPause) {
safeSleep(callPause);
}
lastTime = System.currentTimeMillis();
call = 0;
} else {
safeSleep(callPause/3);
call++;
}
}
private void chechResponse(Response response) {
if (response.getStatus() != 200) {
throw new IllegalStateException(String.format("code != 200 (%d)", response.getStatus()));
}
if (!response.getContentType().equalsIgnoreCase("application/json") &&
!response.getContentType().equalsIgnoreCase("text/javascript")) {
throw new IllegalStateException(String.format("content type is not JSON/JavaScript (%s)", response.getContentType()));
}
if (response.getContent().isEmpty()) {
throw new IllegalStateException("content is empty");
}
if (logger.isDebugEnabled()) {
logger.debug(response.getContent());
}
}
private void safeSleep(long ms) {
try {
Thread.sleep(ms);
} catch (InterruptedException ignore) {
// ignore
}
}
}

17
src/main/java/ru/dmitriymx/vkapi/VkApiException.java Normal file
View File

@@ -0,0 +1,17 @@
/*
* DmitriyMX <mail@dmitriymx.ru>
* 2017-04-10
*/
package ru.dmitriymx.vkapi;
import com.google.gson.JsonObject;
public class VkApiException extends Exception {
public VkApiException(String message) {
super(message);
}
public VkApiException(JsonObject jsonObject) {
this(jsonObject.getAsJsonObject("error").get("error_msg").getAsString());
}
}