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Kuali Utilities

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/**
 * Copyright 2010-2014 The Kuali Foundation
 *
 * Licensed under the Educational Community License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.opensource.org/licenses/ecl2.php
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.kuali.common.util.log;

import static org.kuali.common.util.base.Precondition.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 implements org.apache.commons.lang3.builder.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;
		}

		@Override
		public LoggerExecutable build() {
			LoggerExecutable instance = new LoggerExecutable(this);
			validate(instance);
			return instance;
		}

		private static void validate(LoggerExecutable instance) {
			checkNotNull(instance.context, "context");
		}
	}

	public LoggerContext getContext() {
		return context;
	}

	public boolean isSkip() {
		return skip;
	}

}