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Add basic ReflectionUtil

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This commit is contained in:
Olof Larsson 2015-01-05 12:29:21 +01:00
parent ed58b3185a
commit 160d908a5b
2 changed files with 38 additions and 32 deletions
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35
src/main/java/com/massivecraft/massivecore/MassiveCoreEngineCommandRegistration.java
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@ -1,6 +1,5 @@
package com.massivecraft.massivecore;
import java.lang.reflect.Field;
import java.util.HashMap;
import java.util.Iterator;
import java.util.Map;
@ -14,6 +13,7 @@ import org.bukkit.plugin.Plugin;
import com.massivecraft.massivecore.cmd.MassiveCommand;
import com.massivecraft.massivecore.cmd.MassiveCoreBukkitCommand;
import com.massivecraft.massivecore.util.ReflectionUtil;
public class MassiveCoreEngineCommandRegistration extends EngineAbstract
{
@ -141,13 +141,13 @@ public class MassiveCoreEngineCommandRegistration extends EngineAbstract
public static SimpleCommandMap getSimpleCommandMap()
{
Server server = Bukkit.getServer();
return (SimpleCommandMap) get(server.getClass(), "commandMap", server);
return (SimpleCommandMap) ReflectionUtil.getField(server.getClass(), "commandMap", server);
}
@SuppressWarnings("unchecked")
public static Map<String, Command> getSimpleCommandMapDotKnownCommands(SimpleCommandMap simpleCommandMap)
{
return (Map<String, Command>) get(SimpleCommandMap.class, "knownCommands", simpleCommandMap);
return (Map<String, Command>) ReflectionUtil.getField(SimpleCommandMap.class, "knownCommands", simpleCommandMap);
}
// -------------------------------------------- //
@ -162,33 +162,4 @@ public class MassiveCoreEngineCommandRegistration extends EngineAbstract
return mcbc.getMassiveCommand();
}
public static Object get(Class<?> clazz, String fieldName, Object object)
{
try
{
Field field = clazz.getDeclaredField(fieldName);
field.setAccessible(true);
return field.get(object);
}
catch (Exception e)
{
return null;
}
}
public static void set(Class<?> clazz, String fieldName, Object object, Object value)
{
try
{
Field field = clazz.getDeclaredField(fieldName);
field.setAccessible(true);
field.set(object, value);
}
catch (Exception e)
{
return;
}
}
}

35
src/main/java/com/massivecraft/massivecore/util/ReflectionUtil.java Normal file
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@ -0,0 +1,35 @@
package com.massivecraft.massivecore.util;
import java.lang.reflect.Field;
public class ReflectionUtil
{
public static Object getField(Class<?> clazz, String fieldName, Object object)
{
try
{
Field field = clazz.getDeclaredField(fieldName);
field.setAccessible(true);
return field.get(object);
}
catch (Exception e)
{
return null;
}
}
public static boolean setField(Class<?> clazz, String fieldName, Object object, Object value)
{
try
{
Field field = clazz.getDeclaredField(fieldName);
field.setAccessible(true);
field.set(object, value);
return true;
}
catch (Exception e)
{
return false;
}
}
}