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Spring Framework example source code file (LobTypeHandlerTests.java)

This example Spring Framework source code file (LobTypeHandlerTests.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" TM.

Java - Spring Framework tags/keywords

blobbytearraytypehandler, blobserializabletypehandler, blobserializabletypehandler, bytearrayoutputstream, clobstringtypehandler, datasource, exception, exception, io, jdbc, list, list, mockcontrol, objectoutputstream, sql, transactionsynchronization, transactionsynchronization, util

The Spring Framework LobTypeHandlerTests.java source code

/*
 * Copyright 2002-2005 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.orm.ibatis.support;

import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.ObjectOutputStream;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.util.Arrays;
import java.util.List;

import javax.sql.DataSource;

import junit.framework.TestCase;
import org.easymock.ArgumentsMatcher;
import org.easymock.MockControl;

import org.springframework.jdbc.datasource.DataSourceUtils;
import org.springframework.jdbc.datasource.DriverManagerDataSource;
import org.springframework.jdbc.datasource.LazyConnectionDataSourceProxy;
import org.springframework.jdbc.support.lob.LobCreator;
import org.springframework.jdbc.support.lob.LobHandler;
import org.springframework.transaction.support.TransactionSynchronization;
import org.springframework.transaction.support.TransactionSynchronizationManager;

/**
 * @author Juergen Hoeller
 * @since 27.02.2005
 */
public class LobTypeHandlerTests extends TestCase {

	private MockControl rsControl = MockControl.createControl(ResultSet.class);
	private ResultSet rs = (ResultSet) rsControl.getMock();
	private MockControl psControl = MockControl.createControl(PreparedStatement.class);
	private PreparedStatement ps = (PreparedStatement) psControl.getMock();

	private MockControl lobHandlerControl = MockControl.createControl(LobHandler.class);
	private LobHandler lobHandler = (LobHandler) lobHandlerControl.getMock();
	private MockControl lobCreatorControl = MockControl.createControl(LobCreator.class);
	private LobCreator lobCreator = (LobCreator) lobCreatorControl.getMock();

	protected void setUp() throws SQLException {
		rs.findColumn("column");
		rsControl.setReturnValue(1);

		lobHandler.getLobCreator();
		lobHandlerControl.setReturnValue(lobCreator);
		lobCreator.close();
		lobCreatorControl.setVoidCallable(1);

		rsControl.replay();
		psControl.replay();
	}

	public void testClobStringTypeHandler() throws Exception {
		lobHandler.getClobAsString(rs, 1);
		lobHandlerControl.setReturnValue("content", 2);
		lobCreator.setClobAsString(ps, 1, "content");
		lobCreatorControl.setVoidCallable(1);

		lobHandlerControl.replay();
		lobCreatorControl.replay();

		ClobStringTypeHandler type = new ClobStringTypeHandler(lobHandler);
		assertEquals("content", type.valueOf("content"));
		assertEquals("content", type.getResult(rs, "column"));
		assertEquals("content", type.getResult(rs, 1));

		TransactionSynchronizationManager.initSynchronization();
		try {
			type.setParameter(ps, 1, "content", null);
			List synchs = TransactionSynchronizationManager.getSynchronizations();
			assertEquals(1, synchs.size());
			assertTrue(synchs.get(0).getClass().getName().endsWith("LobCreatorSynchronization"));
			((TransactionSynchronization) synchs.get(0)).beforeCompletion();
			((TransactionSynchronization) synchs.get(0)).afterCompletion(TransactionSynchronization.STATUS_COMMITTED);
		}
		finally {
			TransactionSynchronizationManager.clearSynchronization();
		}
	}

	public void testClobStringTypeWithSynchronizedConnection() throws Exception {
		DataSource dsTarget = new DriverManagerDataSource();
		DataSource ds = new LazyConnectionDataSourceProxy(dsTarget);

		lobHandler.getClobAsString(rs, 1);
		lobHandlerControl.setReturnValue("content", 2);
		lobCreator.setClobAsString(ps, 1, "content");
		lobCreatorControl.setVoidCallable(1);

		lobHandlerControl.replay();
		lobCreatorControl.replay();

		ClobStringTypeHandler type = new ClobStringTypeHandler(lobHandler);
		assertEquals("content", type.valueOf("content"));
		assertEquals("content", type.getResult(rs, "column"));
		assertEquals("content", type.getResult(rs, 1));

		TransactionSynchronizationManager.initSynchronization();
		try {
			DataSourceUtils.getConnection(ds);
			type.setParameter(ps, 1, "content", null);
			List synchs = TransactionSynchronizationManager.getSynchronizations();
			assertEquals(2, synchs.size());
			assertTrue(synchs.get(0).getClass().getName().endsWith("LobCreatorSynchronization"));
			((TransactionSynchronization) synchs.get(0)).beforeCompletion();
			((TransactionSynchronization) synchs.get(0)).afterCompletion(TransactionSynchronization.STATUS_COMMITTED);
			((TransactionSynchronization) synchs.get(1)).beforeCompletion();
			((TransactionSynchronization) synchs.get(1)).afterCompletion(TransactionSynchronization.STATUS_COMMITTED);
		}
		finally {
			TransactionSynchronizationManager.clearSynchronization();
		}
	}

	public void testBlobByteArrayType() throws Exception {
		byte[] content = "content".getBytes();
		lobHandler.getBlobAsBytes(rs, 1);
		lobHandlerControl.setReturnValue(content, 2);
		lobCreator.setBlobAsBytes(ps, 1, content);
		lobCreatorControl.setVoidCallable(1);

		lobHandlerControl.replay();
		lobCreatorControl.replay();

		BlobByteArrayTypeHandler type = new BlobByteArrayTypeHandler(lobHandler);
		assertTrue(Arrays.equals(content, (byte[]) type.valueOf("content")));
		assertEquals(content, type.getResult(rs, "column"));
		assertEquals(content, type.getResult(rs, 1));

		TransactionSynchronizationManager.initSynchronization();
		try {
			type.setParameter(ps, 1, content, null);
			List synchs = TransactionSynchronizationManager.getSynchronizations();
			assertEquals(1, synchs.size());
			((TransactionSynchronization) synchs.get(0)).beforeCompletion();
			((TransactionSynchronization) synchs.get(0)).afterCompletion(TransactionSynchronization.STATUS_COMMITTED);
		}
		finally {
			TransactionSynchronizationManager.clearSynchronization();
		}
	}

	public void testBlobSerializableType() throws Exception {
		ByteArrayOutputStream baos = new ByteArrayOutputStream();
		ObjectOutputStream oos = new ObjectOutputStream(baos);
		oos.writeObject("content");
		oos.close();

		lobHandler.getBlobAsBinaryStream(rs, 1);
		lobHandlerControl.setReturnValue(new ByteArrayInputStream(baos.toByteArray()), 1);
		lobHandler.getBlobAsBinaryStream(rs, 1);
		lobHandlerControl.setReturnValue(new ByteArrayInputStream(baos.toByteArray()), 1);
		lobCreator.setBlobAsBytes(ps, 1, baos.toByteArray());
		lobCreatorControl.setMatcher(new ArgumentsMatcher() {
			public boolean matches(Object[] o1, Object[] o2) {
				return Arrays.equals((byte[]) o1[2], (byte[]) o2[2]);
			}
			public String toString(Object[] objects) {
				return null;
			}
		});

		lobHandlerControl.replay();
		lobCreatorControl.replay();

		BlobSerializableTypeHandler type = new BlobSerializableTypeHandler(lobHandler);
		assertEquals("content", type.valueOf("content"));
		assertEquals("content", type.getResult(rs, "column"));
		assertEquals("content", type.getResult(rs, 1));

		TransactionSynchronizationManager.initSynchronization();
		try {
			type.setParameter(ps, 1, "content", null);
			List synchs = TransactionSynchronizationManager.getSynchronizations();
			assertEquals(1, synchs.size());
			((TransactionSynchronization) synchs.get(0)).beforeCompletion();
			((TransactionSynchronization) synchs.get(0)).afterCompletion(TransactionSynchronization.STATUS_COMMITTED);
		}
		finally {
			TransactionSynchronizationManager.clearSynchronization();
		}
	}

	public void testBlobSerializableTypeWithNull() throws Exception {
		lobHandler.getBlobAsBinaryStream(rs, 1);
		lobHandlerControl.setReturnValue(null, 2);
		lobCreator.setBlobAsBytes(ps, 1, null);

		lobHandlerControl.replay();
		lobCreatorControl.replay();

		BlobSerializableTypeHandler type = new BlobSerializableTypeHandler(lobHandler);
		assertEquals(null, type.valueOf(null));
		assertEquals(null, type.getResult(rs, "column"));
		assertEquals(null, type.getResult(rs, 1));

		TransactionSynchronizationManager.initSynchronization();
		try {
			type.setParameter(ps, 1, null, null);
			List synchs = TransactionSynchronizationManager.getSynchronizations();
			assertEquals(1, synchs.size());
			((TransactionSynchronization) synchs.get(0)).beforeCompletion();
		}
		finally {
			TransactionSynchronizationManager.clearSynchronization();
		}
	}

	protected void tearDown() {
		try {
			rsControl.verify();
			psControl.verify();
			lobHandlerControl.verify();
			lobCreatorControl.verify();
		}
		catch (IllegalStateException ex) {
			// ignore: test method didn't call replay
		}
		assertTrue(TransactionSynchronizationManager.getResourceMap().isEmpty());
		assertFalse(TransactionSynchronizationManager.isSynchronizationActive());
	}

}

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