package org.kuali.common.util.log;
   
   import static com.google.common.base.Preconditions.checkNotNull;
   
   import org.kuali.common.util.execute.Executable;
   
   public class LoggerExecutable implements Executable {
   
   	private static final Object[] EMPTY_OBJECT_ARRAY = {};
  
  	private final LoggerContext context;
  	private final boolean skip;
  
  	@Override
  	public void execute() {
  		if (!skip) {
  			LoggerUtils.logMsg(context.getMsg(), context.getArgs().toArray(EMPTY_OBJECT_ARRAY), context.getLogger(), context.getLevel());
  		}
  	}
  
  	private LoggerExecutable(Builder builder) {
  		this.context = builder.context;
  		this.skip = builder.skip;
  	}
  
  	public static LoggerExecutable create(LoggerContext context) {
  		return builder(context).build();
  	}
  
  	public static Builder builder(LoggerContext context) {
  		return new Builder(context);
  	}
  
  	public static class Builder {
  
  		// Required
  		private final LoggerContext context;
  
  		// Optional
  		private boolean skip = false;
  
  		public Builder(LoggerContext context) {
  			this.context = context;
  		}
  
  		public Builder skip(boolean skip) {
  			this.skip = skip;
  			return this;
  		}
  
  		public LoggerExecutable build() {
  			LoggerExecutable instance = new LoggerExecutable(this);
  			validate(instance);
  			return instance;
  		}
  
  		private static void validate(LoggerExecutable instance) {
  			checkNotNull(instance.context, "context may not be null");
  		}
  	}
  
  	public LoggerContext getContext() {
  		return context;
  	}
  
  	public boolean isSkip() {
  		return skip;
  	}
  
  }