Periods parser

src/main/java/ru/redguy/extendedpistons/ExtendedPistons.java

@@ -6,7 +6,10 @@ import org.bukkit.configuration.file.FileConfiguration;
 import org.bukkit.plugin.RegisteredServiceProvider;
 import org.bukkit.plugin.java.JavaPlugin;
 
-import java.util.HashMap;
+import java.text.ParseException;
+import java.text.SimpleDateFormat;
+import java.time.Instant;
+import java.util.*;
 
 public final class ExtendedPistons extends JavaPlugin {
 
@@ -14,6 +17,9 @@ public final class ExtendedPistons extends JavaPlugin {
 
     public FileConfiguration conf;
     public Permission permsService = null;
+    public SimpleDateFormat sdf = new SimpleDateFormat("HH:mm");
+    public SimpleDateFormat dayOfWeek = new SimpleDateFormat("EEE",Locale.ENGLISH);
+    public HashMap<String,ArrayList<Period>> weekPeriods;
 
     @Override
     public void onEnable() {
@@ -26,14 +32,62 @@ public final class ExtendedPistons extends JavaPlugin {
                 put("vip", 12);
                 put("premium", 20);
             }});
+        if(!conf.isSet("enabled-times.Mon"))
+            conf.set("enabled-times.Mon",new ArrayList<String>() {{add("14:00-18:00");}});
+        if(!conf.isSet("enabled-times.Tue"))
+            conf.set("enabled-times.Tue",new ArrayList<String>() {{add("14:00-18:00");}});
+        if(!conf.isSet("enabled-times.Wed"))
+            conf.set("enabled-times.Wed",new ArrayList<String>() {{add("14:00-18:00");}});
+        if(!conf.isSet("enabled-times.Thu"))
+            conf.set("enabled-times.Thu",new ArrayList<String>() {{add("14:00-18:00");}});
+        if(!conf.isSet("enabled-times.Fri"))
+            conf.set("enabled-times.Fri",new ArrayList<String>() {{add("14:00-18:00");}});
+        if(!conf.isSet("enabled-times.Sat"))
+            conf.set("enabled-times.Sat",new ArrayList<String>() {{add("14:00-18:00");}});
+        if(!conf.isSet("enabled-times.Sun"))
+            conf.set("enabled-times.Sun",new ArrayList<String>() {{add("14:00-18:00");}});
+
         saveConfig();
 
+        weekPeriods = new HashMap<>();
+        parsePeriods("Mon");
+        parsePeriods("Tue");
+        parsePeriods("Wed");
+        parsePeriods("Thu");
+        parsePeriods("Fri");
+        parsePeriods("Sat");
+        parsePeriods("Sun");
+
         RegisteredServiceProvider<Permission> rsp = getServer().getServicesManager().getRegistration(Permission.class);
         permsService = rsp.getProvider();
 
         Bukkit.getPluginManager().registerEvents(new WorldListener(), this);
     }
 
+    public void parsePeriods(String dow) {
+        List<String> times = conf.getStringList("enabled-times."+dow);
+        ArrayList<Period> periods = new ArrayList<>();
+        for (String time : times) {
+            try {
+                String[] t = time.split("-");
+                periods.add(new Period(sdf.parse(t[0]), sdf.parse(t[1])));
+            } catch (ParseException e) {
+                getLogger().warning("Unable to parse time period :"+time);
+            }
+        }
+        weekPeriods.put(dow,periods);
+    }
+
+    public boolean isAllowedTime() {
+        String dow = dayOfWeek.format(Calendar.getInstance(Locale.ENGLISH).getTime());
+        ArrayList<Period> periods = weekPeriods.get(dow);
+        Instant now = Instant.now();
+        for (Period period : periods) {
+            if(period.isBehind(now)) return true;
+        }
+        return false;
+    }
+
     @Override
     public void onDisable() {
 

src/main/java/ru/redguy/extendedpistons/Period.java

@@ -0,0 +1,30 @@
+package ru.redguy.extendedpistons;
+
+import java.time.Instant;
+import java.util.Calendar;
+import java.util.Date;
+import java.util.GregorianCalendar;
+
+public class Period {
+    private final Instant from;
+    private final Instant to;
+
+    public Period(Date from, Date to) {
+        this.from = nowtifyDate(from);
+        this.to = nowtifyDate(to);
+    }
+
+    public boolean isBehind(Instant date) {
+        return from.isBefore(date)&&to.isAfter(date);
+    }
+
+    public Instant nowtifyDate(Date ins) {
+        Calendar now = GregorianCalendar.getInstance();
+        Calendar cal = GregorianCalendar.getInstance();
+        cal.setTime(ins);
+        cal.set(Calendar.YEAR, now.get(Calendar.YEAR));
+        cal.set(Calendar.MONTH, now.get(Calendar.MONTH));
+        cal.set(Calendar.DAY_OF_MONTH, now.get(Calendar.DAY_OF_MONTH));
+        return cal.getTime().toInstant();
+    }
+}