Add support for gist

src/main/java/de/jeyp91/gists/GistProvider.java

@@ -1,2 +1,132 @@
-package de.jeyp91.gists;public class GistProvider {
+package de.jeyp91.gists;
+
+import org.apache.commons.codec.binary.Base64;
+import org.apache.http.HttpHeaders;
+import org.apache.http.HttpResponse;
+import org.apache.http.client.ClientProtocolException;
+import org.apache.http.client.HttpClient;
+import org.apache.http.client.methods.HttpGet;
+import org.apache.http.impl.client.HttpClientBuilder;
+import org.json.simple.JSONArray;
+import org.json.simple.JSONObject;
+import org.json.simple.parser.JSONParser;
+import org.json.simple.parser.ParseException;
+
+import java.io.BufferedReader;
+import java.io.IOException;
+import java.io.InputStreamReader;
+import java.nio.charset.StandardCharsets;
+import java.util.HashMap;
+import java.util.Set;
+
+public class GistProvider {
+
+    private JSONArray gistList = null;
+    public HashMap<String, String> files = new HashMap<>();
+
+    public GistProvider() {
+        this.gistList = listAllGists();
+    }
+
+    public JSONArray listAllGists() {
+        String gistsRaw = getRawData("https://api.github.com/gists");
+        return stringToJSONArray(gistsRaw);
+    }
+
+    public String getTimestamp() {
+        return "";
+    }
+
+    public JSONArray getTeamIdMatcher() {
+        return stringToJSONArray(getFile("Team_ID_Matcher.json"));
+    }
+
+    public String getFile(String filename) {
+        if(!this.files.containsKey(filename)) {
+            files.put(filename, getFileFromGist(filename));
+        }
+        return this.files.get(filename);
+    }
+
+    private String getFileFromGist(String filename) {
+        String fileurl = null;
+        for (Object o : this.gistList) {
+            JSONObject gist = (JSONObject) o;
+            JSONObject files = (JSONObject)gist.get("files");
+            Set<String> filenames = files.keySet();
+            if(filenames.contains(filename)) {
+                fileurl = ((JSONObject)files.get(filename)).get("raw_url").toString();
+            }
+        }
+
+        String content = null;
+        if(fileurl != null) {
+            content = getRawData(fileurl);
+        }
+        return content;
+    }
+
+    private String getRawData(String requestUrl) {
+
+        String username = "jeyp91";
+        String password = "e73485180c52e66e7e6f5550bb53aae3ff5c745a";
+        String auth = username + ":" + password;
+        byte[] encodedAuth = Base64.encodeBase64(
+                auth.getBytes(StandardCharsets.ISO_8859_1));
+        String authHeader = "Basic " + new String(encodedAuth);
+
+        HttpClient client = HttpClientBuilder
+                .create()
+                .build();
+        HttpGet request = new HttpGet(requestUrl);
+        request.setHeader(HttpHeaders.AUTHORIZATION, authHeader);
+
+        HttpResponse response = null;
+        try {
+            response = client.execute(request);
+        } catch (IOException e) {
+            /* TODO */
+            e.printStackTrace();
+        }
+
+        BufferedReader rd = null;
+        try {
+            rd = new BufferedReader(
+                    new InputStreamReader(response.getEntity().getContent(), "UTF-8")
+            );
+        } catch (IOException e) {
+            /* TODO */
+            e.printStackTrace();
+        }
+
+        StringBuilder result = new StringBuilder();
+        String line = "";
+        while (true) {
+            try {
+                line = rd.readLine();
+            } catch (IOException e) {
+                /* TODO */
+                e.printStackTrace();
+            }
+
+            // Stop reading if last line was found.
+            if (line  == null) break;
+
+            result.append(line);
+        }
+        return result.toString();
+    }
+
+    private JSONArray stringToJSONArray(String rawData) {
+
+        JSONParser parser = new JSONParser();
+        JSONArray data = null;
+        try {
+            data = (JSONArray) parser.parse(rawData);
+        } catch (ParseException e) {
+            /* TODO */
+            e.printStackTrace();
+        }
+        return data;
+    }
 }

src/test/java/de/jeyp91/gists/GistProviderTest.java

@@ -1,2 +1,28 @@
-package de.jeyp91.gists;public class GistProviderTest {
+package de.jeyp91.gists;
+
+import org.json.simple.JSONArray;
+import org.junit.Test;
+
+public class GistProviderTest {
+
+    @Test
+    public void listAllGistsTest() {
+        GistProvider prov = new GistProvider();
+        JSONArray gists = prov.listAllGists();
+        System.out.println(gists);
+    }
+
+    @Test
+    public void getFileTest() {
+        GistProvider prov = new GistProvider();
+        String file = prov.getFile("Team_ID_Matcher.json");
+        System.out.println(file);
+    }
+
+    @Test
+    public void getTeamIdMatcherTest() {
+        GistProvider prov = new GistProvider();
+        JSONArray matcher = prov.getTeamIdMatcher();
+        System.out.println(matcher);
+    }
 }