Added File Uploading GUI, not Thread Safe

src/main/java/eu/crushedpixel/replaymod/api/client/FileUploader.java

@@ -0,0 +1,104 @@
+package eu.crushedpixel.replaymod.api.client;
+
+import java.io.BufferedReader;
+import java.io.DataOutputStream;
+import java.io.File;
+import java.io.FileInputStream;
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.InputStreamReader;
+import java.net.HttpURLConnection;
+import java.net.URL;
+import java.util.HashMap;
+
+import com.google.gson.Gson;
+import com.google.gson.JsonParser;
+
+import eu.crushedpixel.replaymod.api.client.holders.Category;
+
+public class FileUploader {
+	private static Gson gson = new Gson();
+	private static JsonParser jsonParser = new JsonParser();
+
+	private boolean uploading = false;
+	private long filesize;
+	private long current;
+	
+	private String attachmentName = "file";
+	private String attachmentFileName = "file.mcpr";
+	private String crlf = "\r\n";
+	private String twoHyphens = "--";
+
+	private String boundary = "*****";
+	//private CountingHttpEntity counter;
+
+	public void uploadFile(String auth, String filename, File file, Category category) throws IOException, ApiException, RuntimeException {
+		if(uploading) throw new RuntimeException("FileUploader is already uploading");
+		uploading = true;
+
+		filesize = file.length();
+		current = 0;
+		
+		String postData = "?auth="+auth+"&category="+category.getId()+"&name="+filename;
+		
+		String url = "http://ReplayMod.com/api/upload_file"+postData;
+		HttpURLConnection con = (HttpURLConnection)new URL(url).openConnection();
+		con.setUseCaches(false);
+		con.setDoOutput(true);
+		con.setRequestMethod("POST");
+		con.setRequestProperty("Connection", "Keep-Alive");
+		con.setRequestProperty("Cache-Control", "no-cache");
+		con.setRequestProperty("Content-Type", "multipart/form-data;boundary=" + this.boundary);
+
+		HashMap<String, String> params = new HashMap<String, String>();
+		params.put("auth", auth);
+		params.put("name", filename);
+		params.put("category", category.getId()+"");
+
+		DataOutputStream request = new DataOutputStream(con.getOutputStream());
+
+		request.writeBytes(this.twoHyphens + this.boundary + this.crlf);
+		request.writeBytes("Content-Disposition: form-data; name=\"" + this.attachmentName + "\";filename=\"" + this.attachmentFileName + "\"" + this.crlf);
+		request.writeBytes(this.crlf);
+		
+		byte[] buf = new byte[1024];
+		FileInputStream fis = new FileInputStream(file);
+		int len;
+		while((len = fis.read(buf)) != -1) {
+			request.write(buf);
+			current += len;
+		}
+		fis.close();
+		
+		request.writeBytes(this.crlf);
+		request.writeBytes(this.twoHyphens + this.boundary + this.twoHyphens + this.crlf);
+		
+		request.flush();
+		request.close();
+		
+		int responseCode = ((HttpURLConnection)con).getResponseCode();
+		InputStream is = null;
+		if(responseCode == 200) {
+			is = con.getInputStream();
+		} else {
+			is = con.getErrorStream();
+		}
+		
+		BufferedReader r = new BufferedReader(new InputStreamReader(is));
+		
+		while(r.ready()) {
+			System.out.println(r.readLine());
+		}
+		
+		System.out.println(responseCode); // Should be 200
+
+		con.disconnect();
+		
+		uploading = false;
+	}
+
+	public float getUploadProgress() {
+		if(!uploading) return 0.1f;
+		return (float)((double)current/(double)filesize);
+	}
+}