/*
 * Copyright 2013 the original author or authors.
 *
 * Licensed under the Apache 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.apache.org/licenses/LICENSE-2.0
 *
 * 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.springframework.batch.core.jsr.configuration.xml;

import static org.junit.Assert.assertEquals;

import java.util.List;

import org.junit.Test;
import org.junit.runner.RunWith;
import org.springframework.batch.core.BatchStatus;
import org.springframework.batch.core.ItemProcessListener;
import org.springframework.batch.core.ItemReadListener;
import org.springframework.batch.core.ItemWriteListener;
import org.springframework.batch.core.Job;
import org.springframework.batch.core.JobExecution;
import org.springframework.batch.core.JobParameters;
import org.springframework.batch.core.launch.JobLauncher;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.test.context.ContextConfiguration;
import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;

@ContextConfiguration
@RunWith(SpringJUnit4ClassRunner.class)
public class ItemListenerParsingTests {

	@Autowired
	public Job job;

	@Autowired
	public JobLauncher jobLauncher;

	@Autowired
	public SpringItemListener springListener;

	@Autowired
	public JsrItemListener jsrListener;

	@Test
	public void test() throws Exception {
		JobExecution execution = jobLauncher.run(job, new JobParameters());
		assertEquals(BatchStatus.COMPLETED, execution.getStatus());
		assertEquals(3, execution.getStepExecutions().size());
		assertEquals(6, springListener.beforeReadCount);
		assertEquals(4, springListener.afterReadCount);
		assertEquals(4, springListener.beforeProcessCount);
		assertEquals(4, springListener.afterProcessCount);
		assertEquals(2, springListener.beforeWriteCount);
		assertEquals(2, springListener.afterWriteCount);
		assertEquals(6, jsrListener.beforeReadCount);
		assertEquals(4, jsrListener.afterReadCount);
		assertEquals(4, jsrListener.beforeProcessCount);
		assertEquals(4, jsrListener.afterProcessCount);
		assertEquals(2, jsrListener.beforeWriteCount);
		assertEquals(2, jsrListener.afterWriteCount);
	}

	public static class SpringItemListener implements ItemReadListener<Object>, ItemProcessListener<Object, Object>, ItemWriteListener<Object> {

		protected int beforeReadCount = 0;
		protected int afterReadCount = 0;
		protected int onReadErrorCount = 0;
		protected int beforeProcessCount = 0;
		protected int afterProcessCount = 0;
		protected int onProcessErrorCount = 0;
		protected int beforeWriteCount = 0;
		protected int afterWriteCount = 0;
		protected int onWriteErrorCount = 0;

		@Override
		public void beforeRead() {
			beforeReadCount++;
		}

		@Override
		public void afterRead(Object item) {
			afterReadCount++;
		}

		@Override
		public void onReadError(Exception ex) {
			onReadErrorCount++;
		}

		@Override
		public void beforeWrite(List<? extends Object> items) {
			beforeWriteCount++;
		}

		@Override
		public void afterWrite(List<? extends Object> items) {
			afterWriteCount++;
		}

		@Override
		public void onWriteError(Exception exception, List<? extends Object> items) {
			onWriteErrorCount++;
		}

		@Override
		public void beforeProcess(Object item) {
			beforeProcessCount++;
		}

		@Override
		public void afterProcess(Object item, Object result) {
			afterProcessCount++;
		}

		@Override
		public void onProcessError(Object item, Exception e) {
			onProcessErrorCount++;
		}
	}

	public static class JsrItemListener implements javax.batch.api.chunk.listener.ItemReadListener, javax.batch.api.chunk.listener.ItemProcessListener, javax.batch.api.chunk.listener.ItemWriteListener {

		protected int beforeReadCount = 0;
		protected int afterReadCount = 0;
		protected int onReadErrorCount = 0;
		protected int beforeProcessCount = 0;
		protected int afterProcessCount = 0;
		protected int onProcessErrorCount = 0;
		protected int beforeWriteCount = 0;
		protected int afterWriteCount = 0;
		protected int onWriteErrorCount = 0;

		@Override
		public void beforeWrite(List<Object> items) throws Exception {
			beforeWriteCount++;
		}

		@Override
		public void afterWrite(List<Object> items) throws Exception {
			afterWriteCount++;
		}

		@Override
		public void onWriteError(List<Object> items, Exception ex)
				throws Exception {
			onWriteErrorCount++;
		}

		@Override
		public void beforeProcess(Object item) throws Exception {
			beforeProcessCount++;
		}

		@Override
		public void afterProcess(Object item, Object result) throws Exception {
			afterProcessCount++;
		}

		@Override
		public void onProcessError(Object item, Exception ex) throws Exception {
			onProcessErrorCount++;
		}

		@Override
		public void beforeRead() throws Exception {
			beforeReadCount++;
		}

		@Override
		public void afterRead(Object item) throws Exception {
			afterReadCount++;
		}

		@Override
		public void onReadError(Exception ex) throws Exception {
			onReadErrorCount++;
		}
	}
}