Data update

Task/Retrieve-and-search-chat-history/Java/retrieve-and-search-chat-history.java

@@ -0,0 +1,38 @@
+import java.io.BufferedReader;
+import java.io.IOException;
+import java.io.InputStreamReader;
+import java.net.HttpURLConnection;
+import java.net.URI;
+import java.net.URISyntaxException;
+import java.net.URL;
+import java.time.LocalDate;
+import java.time.ZoneId;
+import java.time.ZonedDateTime;
+
+public final class RetrieveAndSearchChatHistory {
+
+	public static void main(String[] aArgs) throws URISyntaxException, IOException {		
+		String subjectOfSearch = aArgs[0]; // The string 'available' was used to produce the displayed output.
+
+		ZonedDateTime now = ZonedDateTime.now(ZoneId.of("Europe/Berlin"));
+		LocalDate tomorrow = now.toLocalDate().plusDays(1);
+		LocalDate testDate = tomorrow.minusDays(10);
+
+		while ( ! testDate.equals(tomorrow ) ) {
+	        URL address = new URI("http://tclers.tk/conferences/tcl/" + testDate + ".tcl").toURL();	
+	        HttpURLConnection connection = (HttpURLConnection) address.openConnection();
+	        BufferedReader reader = new BufferedReader( new InputStreamReader(connection.getInputStream()) );
+	
+	        System.out.println("Searching chat logs for " + testDate);	
+	        String line = "";
+	        while ( ( line = reader.readLine() ).contains(subjectOfSearch) ) {
+	        	System.out.println(line);
+	        }
+	
+	        reader.close();
+	        connection.disconnect();
+	        testDate = testDate.plusDays(1);
+		}
+	}
+
+}