First version with ability to create database for new season

2020-09-27 19:05:20 +02:00
parent b97e15be7d
commit 283efc775b
75 changed files with 106536 additions and 0 deletions
@@ -0,0 +1,142 @@
+package de.jeyp91.openligadb;
+
+import java.io.BufferedReader;
+import java.io.IOException;
+import java.io.InputStreamReader;
+import java.util.ArrayList;
+
+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;
+
+/**
+ *
+ */
+public class OpenLigaDBConnector {
+
+    private final String OPENLIGADB_API_URL = "http://www.openligadb.de/api/";
+
+    public OpenLigaDBConnector() {}
+
+    public OpenLigaDBMatch getMatchDataOfSingleMatch(int id) {
+        String url = OPENLIGADB_API_URL + "getmatchdata/" + id;
+        JSONObject matchAsJson = getDataAsJSONObject(url);
+        return new OpenLigaDBMatch(matchAsJson);
+    }
+
+    public ArrayList<OpenLigaDBMatch> getMatchDataOfMatchday(int season, String league, int matchday) {
+
+        String url = OPENLIGADB_API_URL + "getmatchdata/" + league + "/" + (season - 1) + "/" + matchday;
+
+        JSONArray matches = getDataAsJSONArray(url);
+        ArrayList<OpenLigaDBMatch> matchesList = new ArrayList<>();
+
+        for(Object match: matches) {
+            matchesList.add(new OpenLigaDBMatch((JSONObject) match));
+        }
+
+        return matchesList;
+    }
+
+    public ArrayList<OpenLigaDBMatch> getMatchDataOfCurrentMatchday(String league) {
+
+        String url = OPENLIGADB_API_URL + "getmatchdata/" + league;
+
+        JSONArray matches = getDataAsJSONArray(url);
+        ArrayList<OpenLigaDBMatch> matchesList = new ArrayList<>();
+
+        for(Object match: matches) {
+            matchesList.add(new OpenLigaDBMatch((JSONObject) match));
+        }
+
+        return matchesList;
+    }
+
+    public OpenLigaDBMatch getMatchDataByMatchId(int id) {
+        String url = OPENLIGADB_API_URL + "getmatchdata/" + id;
+        JSONObject match = getDataAsJSONObject(url);
+        return new OpenLigaDBMatch(match);
+    }
+
+    private JSONArray getDataAsJSONArray(String requestUrl) {
+
+        String rawData = getRawData(requestUrl);
+        JSONParser parser = new JSONParser();
+        JSONArray data = null;
+        try {
+            data = (JSONArray) parser.parse(rawData);
+        } catch (ParseException e) {
+            /* TODO */
+            e.printStackTrace();
+        }
+        return data;
+    }
+
+    private JSONObject getDataAsJSONObject(String requestUrl) {
+
+        String rawData = getRawData(requestUrl);
+        JSONParser parser = new JSONParser();
+        JSONObject data = null;
+        try {
+            data = (JSONObject) parser.parse(rawData);
+        } catch (ParseException e) {
+            /* TODO */
+            e.printStackTrace();
+        }
+        return data;
+    }
+
+    private String getRawData(String requestUrl) {
+
+        HttpClient client = HttpClientBuilder.create().build();
+        HttpGet request = new HttpGet(requestUrl);
+
+        // add request header
+        request.addHeader("Content-Type", "application/json");
+
+        HttpResponse response = null;
+        try {
+            response = client.execute(request);
+        } catch (ClientProtocolException e) {
+            /* TODO */
+            e.printStackTrace();
+        } catch (IOException e) {
+            /* TODO */
+            e.printStackTrace();
+        }
+
+
+        BufferedReader rd = null;
+        try {
+            rd = new BufferedReader(
+                    new InputStreamReader(response.getEntity().getContent())
+            );
+        } 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();
+    }
+}