browser update

src/main/java/ru/dmitriymx/vkapi/browser/ApacheBroswe.java

@@ -0,0 +1,75 @@
+/*
+ * DmitriyMX <dimon550@gmail.com>
+ * 2017-04-10
+ */
+package ru.dmitriymx.vkapi.browser;
+
+import org.apache.commons.io.IOUtils;
+import org.apache.http.Header;
+import org.apache.http.HttpMessage;
+import org.apache.http.HttpResponse;
+import org.apache.http.client.HttpClient;
+import org.apache.http.client.methods.HttpGet;
+import org.apache.http.client.methods.HttpPost;
+import org.apache.http.client.methods.HttpRequestBase;
+import org.apache.http.entity.StringEntity;
+import org.apache.http.impl.client.HttpClients;
+
+import java.io.IOException;
+import java.io.InputStream;
+
+public class ApacheBroswe implements Browser {
+    private final HttpClient client = HttpClients.createDefault();
+    private String userAgent = "Mozilla/5.0 (Linux; Android 4.2.2; GT-I9505 Build/JDQ39) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/31.0.1650.59 Mobile Safari/537.36";
+
+    @Override
+    public void setUserAgent(String userAgent) {
+        this.userAgent = userAgent;
+    }
+
+    @Override
+    public Response get(String url) throws IOException {
+        return request(new HttpGet(url));
+    }
+
+    @Override
+    public Response post(String url, String data) throws IOException {
+        HttpPost requestPost = new HttpPost(url);
+        requestPost.setHeader("Content-Type", "application/x-www-form-urlencoded");
+        if (data != null) {
+            requestPost.setEntity(new StringEntity(data));
+        }
+
+        return request(requestPost);
+    }
+
+    private Response request(HttpRequestBase request) throws IOException {
+        setup_headers(request);
+        HttpResponse response = client.execute(request);
+
+        try (InputStream streamContent = response.getEntity().getContent()) {
+            String contentRaw = IOUtils.toString(streamContent, "UTF-8");
+            String contentType = "text/plain";
+            for (Header header : response.getAllHeaders()) {
+                if (header.getName().equalsIgnoreCase("Content-Type")) {
+                    contentType = header.getValue();
+                    if (contentType.contains(";")) {
+                        contentType = contentType.split(";")[0];
+                    }
+                    break;
+                }
+            }
+
+            return new ApacheResponse(
+                    response.getStatusLine().getStatusCode(),
+                    contentType, contentRaw
+            );
+        }
+    }
+
+    private void setup_headers(HttpMessage request) {
+        request.addHeader("Connection", "close");
+        request.addHeader("Accept-Encoding", "deflate");
+        request.addHeader("User-Agent", userAgent);
+    }
+}