Spring Framework example source code file (ServletRequestUtilsTests.java)

This example Spring Framework source code file (ServletRequestUtilsTests.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

integer, long, mockhttpservletrequest, mockhttpservletrequest, servletrequestbindingexception, servletrequestbindingexception, servletrequestutilstests, should, should, stopwatch, stopwatch, string, testcase

The Spring Framework ServletRequestUtilsTests.java source code

/*
 * Copyright 2002-2007 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.web.bind;

import junit.framework.TestCase;

import org.springframework.mock.web.MockHttpServletRequest;
import org.springframework.util.StopWatch;

/**
 * @author Juergen Hoeller
 * @since 06.08.2003
 */
public class ServletRequestUtilsTests extends TestCase {

	public void testIntParameter() throws ServletRequestBindingException {
		MockHttpServletRequest request = new MockHttpServletRequest();
		request.addParameter("param1", "5");
		request.addParameter("param2", "e");
		request.addParameter("paramEmpty", "");

		assertEquals(ServletRequestUtils.getIntParameter(request, "param1"), new Integer(5));
		assertEquals(ServletRequestUtils.getIntParameter(request, "param1", 6), 5);
		assertEquals(ServletRequestUtils.getRequiredIntParameter(request, "param1"), 5);

		assertEquals(ServletRequestUtils.getIntParameter(request, "param2", 6), 6);
		try {
			ServletRequestUtils.getRequiredIntParameter(request, "param2");
			fail("Should have thrown ServletRequestBindingException");
		}
		catch (ServletRequestBindingException ex) {
			// expected
		}

		assertEquals(ServletRequestUtils.getIntParameter(request, "param3"), null);
		assertEquals(ServletRequestUtils.getIntParameter(request, "param3", 6), 6);
		try {
			ServletRequestUtils.getRequiredIntParameter(request, "param3");
			fail("Should have thrown ServletRequestBindingException");
		}
		catch (ServletRequestBindingException ex) {
			// expected
		}

		try {
			ServletRequestUtils.getRequiredIntParameter(request, "paramEmpty");
			fail("Should have thrown ServletRequestBindingException");
		}
		catch (ServletRequestBindingException ex) {
			// expected
		}
	}

	public void testIntParameters() throws ServletRequestBindingException {
		MockHttpServletRequest request = new MockHttpServletRequest();
		request.addParameter("param", new String[] {"1", "2", "3"});

		request.addParameter("param2", "1");
		request.addParameter("param2", "2");
		request.addParameter("param2", "bogus");

		int[] array = new int[] {1, 2, 3};
		int[] values = ServletRequestUtils.getRequiredIntParameters(request, "param");
		assertEquals(3, values.length);
		for (int i = 0; i < array.length; i++) {
			assertEquals(array[i], values[i]);
		}

		try {
			ServletRequestUtils.getRequiredIntParameters(request, "param2");
			fail("Should have thrown ServletRequestBindingException");
		}
		catch (ServletRequestBindingException ex) {
			// expected
		}
	}

	public void testLongParameter() throws ServletRequestBindingException {
		MockHttpServletRequest request = new MockHttpServletRequest();
		request.addParameter("param1", "5");
		request.addParameter("param2", "e");
		request.addParameter("paramEmpty", "");

		assertEquals(ServletRequestUtils.getLongParameter(request, "param1"), new Long(5L));
		assertEquals(ServletRequestUtils.getLongParameter(request, "param1", 6L), 5L);
		assertEquals(ServletRequestUtils.getRequiredIntParameter(request, "param1"), 5L);

		assertEquals(ServletRequestUtils.getLongParameter(request, "param2", 6L), 6L);
		try {
			ServletRequestUtils.getRequiredLongParameter(request, "param2");
			fail("Should have thrown ServletRequestBindingException");
		}
		catch (ServletRequestBindingException ex) {
			// expected
		}

		assertEquals(ServletRequestUtils.getLongParameter(request, "param3"), null);
		assertEquals(ServletRequestUtils.getLongParameter(request, "param3", 6L), 6L);
		try {
			ServletRequestUtils.getRequiredLongParameter(request, "param3");
			fail("Should have thrown ServletRequestBindingException");
		}
		catch (ServletRequestBindingException ex) {
			// expected
		}

		try {
			ServletRequestUtils.getRequiredLongParameter(request, "paramEmpty");
			fail("Should have thrown ServletRequestBindingException");
		}
		catch (ServletRequestBindingException ex) {
			// expected
		}
	}

	public void testLongParameters() throws ServletRequestBindingException {
		MockHttpServletRequest request = new MockHttpServletRequest();
		request.setParameter("param", new String[] {"1", "2", "3"});

		request.setParameter("param2", "0");
		request.setParameter("param2", "1");
		request.addParameter("param2", "2");
		request.addParameter("param2", "bogus");

		long[] array = new long[] {1L, 2L, 3L};
		long[] values = ServletRequestUtils.getRequiredLongParameters(request, "param");
		assertEquals(3, values.length);
		for (int i = 0; i < array.length; i++) {
			assertEquals(array[i], values[i]);
		}

		try {
			ServletRequestUtils.getRequiredLongParameters(request, "param2");
			fail("Should have thrown ServletRequestBindingException");
		}
		catch (ServletRequestBindingException ex) {
			// expected
		}

		request.setParameter("param2", new String[] {"1", "2"});
		values = ServletRequestUtils.getRequiredLongParameters(request, "param2");
		assertEquals(2, values.length);
		assertEquals(1, values[0]);
		assertEquals(2, values[1]);

		request.removeParameter("param2");
		try {
			ServletRequestUtils.getRequiredLongParameters(request, "param2");
			fail("Should have thrown ServletRequestBindingException");
		}
		catch (ServletRequestBindingException ex) {
			// expected
		}
	}

	public void testFloatParameter() throws ServletRequestBindingException {
		MockHttpServletRequest request = new MockHttpServletRequest();
		request.addParameter("param1", "5.5");
		request.addParameter("param2", "e");
		request.addParameter("paramEmpty", "");

		assertTrue(ServletRequestUtils.getFloatParameter(request, "param1").equals(new Float(5.5f)));
		assertTrue(ServletRequestUtils.getFloatParameter(request, "param1", 6.5f) == 5.5f);
		assertTrue(ServletRequestUtils.getRequiredFloatParameter(request, "param1") == 5.5f);

		assertTrue(ServletRequestUtils.getFloatParameter(request, "param2", 6.5f) == 6.5f);
		try {
			ServletRequestUtils.getRequiredFloatParameter(request, "param2");
			fail("Should have thrown ServletRequestBindingException");
		}
		catch (ServletRequestBindingException ex) {
			// expected
		}

		assertTrue(ServletRequestUtils.getFloatParameter(request, "param3") == null);
		assertTrue(ServletRequestUtils.getFloatParameter(request, "param3", 6.5f) == 6.5f);
		try {
			ServletRequestUtils.getRequiredFloatParameter(request, "param3");
			fail("Should have thrown ServletRequestBindingException");
		}
		catch (ServletRequestBindingException ex) {
			// expected
		}

		try {
			ServletRequestUtils.getRequiredFloatParameter(request, "paramEmpty");
			fail("Should have thrown ServletRequestBindingException");
		}
		catch (ServletRequestBindingException ex) {
			// expected
		}
	}

	public void testFloatParameters() throws ServletRequestBindingException {
		MockHttpServletRequest request = new MockHttpServletRequest();
		request.addParameter("param", new String[] {"1.5", "2.5", "3"});

		request.addParameter("param2", "1.5");
		request.addParameter("param2", "2");
		request.addParameter("param2", "bogus");

		float[] array = new float[] {1.5F, 2.5F, 3};
		float[] values = ServletRequestUtils.getRequiredFloatParameters(request, "param");
		assertEquals(3, values.length);
		for (int i = 0; i < array.length; i++) {
			assertEquals(array[i], values[i], 0);
		}

		try {
			ServletRequestUtils.getRequiredFloatParameters(request, "param2");
			fail("Should have thrown ServletRequestBindingException");
		}
		catch (ServletRequestBindingException ex) {
			// expected
		}
	}

	public void testDoubleParameter() throws ServletRequestBindingException {
		MockHttpServletRequest request = new MockHttpServletRequest();
		request.addParameter("param1", "5.5");
		request.addParameter("param2", "e");
		request.addParameter("paramEmpty", "");

		assertTrue(ServletRequestUtils.getDoubleParameter(request, "param1").equals(new Double(5.5)));
		assertTrue(ServletRequestUtils.getDoubleParameter(request, "param1", 6.5) == 5.5);
		assertTrue(ServletRequestUtils.getRequiredDoubleParameter(request, "param1") == 5.5);

		assertTrue(ServletRequestUtils.getDoubleParameter(request, "param2", 6.5) == 6.5);
		try {
			ServletRequestUtils.getRequiredDoubleParameter(request, "param2");
			fail("Should have thrown ServletRequestBindingException");
		}
		catch (ServletRequestBindingException ex) {
			// expected
		}

		assertTrue(ServletRequestUtils.getDoubleParameter(request, "param3") == null);
		assertTrue(ServletRequestUtils.getDoubleParameter(request, "param3", 6.5) == 6.5);
		try {
			ServletRequestUtils.getRequiredDoubleParameter(request, "param3");
			fail("Should have thrown ServletRequestBindingException");
		}
		catch (ServletRequestBindingException ex) {
			// expected
		}

		try {
			ServletRequestUtils.getRequiredDoubleParameter(request, "paramEmpty");
			fail("Should have thrown ServletRequestBindingException");
		}
		catch (ServletRequestBindingException ex) {
			// expected
		}
	}

	public void testDoubleParameters() throws ServletRequestBindingException {
		MockHttpServletRequest request = new MockHttpServletRequest();
		request.addParameter("param", new String[] {"1.5", "2.5", "3"});

		request.addParameter("param2", "1.5");
		request.addParameter("param2", "2");
		request.addParameter("param2", "bogus");

		double[] array = new double[] {1.5, 2.5, 3};
		double[] values = ServletRequestUtils.getRequiredDoubleParameters(request, "param");
		assertEquals(3, values.length);
		for (int i = 0; i < array.length; i++) {
			assertEquals(array[i], values[i], 0);
		}

		try {
			ServletRequestUtils.getRequiredDoubleParameters(request, "param2");
			fail("Should have thrown ServletRequestBindingException");
		}
		catch (ServletRequestBindingException ex) {
			// expected
		}
	}

	public void testBooleanParameter() throws ServletRequestBindingException {
		MockHttpServletRequest request = new MockHttpServletRequest();
		request.addParameter("param1", "true");
		request.addParameter("param2", "e");
		request.addParameter("param4", "yes");
		request.addParameter("param5", "1");
		request.addParameter("paramEmpty", "");

		assertTrue(ServletRequestUtils.getBooleanParameter(request, "param1").equals(Boolean.TRUE));
		assertTrue(ServletRequestUtils.getBooleanParameter(request, "param1", false));
		assertTrue(ServletRequestUtils.getRequiredBooleanParameter(request, "param1"));

		assertFalse(ServletRequestUtils.getBooleanParameter(request, "param2", true));
		assertFalse(ServletRequestUtils.getRequiredBooleanParameter(request, "param2"));

		assertTrue(ServletRequestUtils.getBooleanParameter(request, "param3") == null);
		assertTrue(ServletRequestUtils.getBooleanParameter(request, "param3", true));
		try {
			ServletRequestUtils.getRequiredBooleanParameter(request, "param3");
			fail("Should have thrown ServletRequestBindingException");
		}
		catch (ServletRequestBindingException ex) {
			// expected
		}

		assertTrue(ServletRequestUtils.getBooleanParameter(request, "param4", false));
		assertTrue(ServletRequestUtils.getRequiredBooleanParameter(request, "param4"));

		assertTrue(ServletRequestUtils.getBooleanParameter(request, "param5", false));
		assertTrue(ServletRequestUtils.getRequiredBooleanParameter(request, "param5"));
		assertFalse(ServletRequestUtils.getRequiredBooleanParameter(request, "paramEmpty"));
	}

	public void testBooleanParameters() throws ServletRequestBindingException {
		MockHttpServletRequest request = new MockHttpServletRequest();
		request.addParameter("param", new String[] {"true", "yes", "off", "1", "bogus"});

		request.addParameter("param2", "false");
		request.addParameter("param2", "true");
		request.addParameter("param2", "");

		boolean[] array = new boolean[] {true, true, false, true, false};
		boolean[] values = ServletRequestUtils.getRequiredBooleanParameters(request, "param");
		assertEquals(array.length, values.length);
		for (int i = 0; i < array.length; i++) {
			assertEquals(array[i], values[i]);
		}

		array = new boolean[] {false, true, false};
		values = ServletRequestUtils.getRequiredBooleanParameters(request, "param2");
		assertEquals(array.length, values.length);
		for (int i = 0; i < array.length; i++) {
			assertEquals(array[i], values[i]);
		}
	}

	public void testStringParameter() throws ServletRequestBindingException {
		MockHttpServletRequest request = new MockHttpServletRequest();
		request.addParameter("param1", "str");
		request.addParameter("paramEmpty", "");

		assertEquals("str", ServletRequestUtils.getStringParameter(request, "param1"));
		assertEquals("str", ServletRequestUtils.getStringParameter(request, "param1", "string"));
		assertEquals("str", ServletRequestUtils.getRequiredStringParameter(request, "param1"));

		assertEquals(null, ServletRequestUtils.getStringParameter(request, "param3"));
		assertEquals("string", ServletRequestUtils.getStringParameter(request, "param3", "string"));
		assertNull(ServletRequestUtils.getStringParameter(request, "param3", null));
		try {
			ServletRequestUtils.getRequiredStringParameter(request, "param3");
			fail("Should have thrown ServletRequestBindingException");
		}
		catch (ServletRequestBindingException ex) {
			// expected
		}

		assertEquals("", ServletRequestUtils.getStringParameter(request, "paramEmpty"));
		assertEquals("", ServletRequestUtils.getRequiredStringParameter(request, "paramEmpty"));
	}

	public void testGetIntParameterWithDefaultValueHandlingIsFastEnough() {
		MockHttpServletRequest request = new MockHttpServletRequest();
		StopWatch sw = new StopWatch();
		sw.start();
		for (int i = 0; i < 1000000; i++) {
			ServletRequestUtils.getIntParameter(request, "nonExistingParam", 0);
		}
		sw.stop();
		System.out.println(sw.getTotalTimeMillis());
		assertTrue("getStringParameter took too long: " + sw.getTotalTimeMillis(), sw.getTotalTimeMillis() < 250);
	}

	public void testGetLongParameterWithDefaultValueHandlingIsFastEnough() {
		MockHttpServletRequest request = new MockHttpServletRequest();
		StopWatch sw = new StopWatch();
		sw.start();
		for (int i = 0; i < 1000000; i++) {
			ServletRequestUtils.getLongParameter(request, "nonExistingParam", 0);
		}
		sw.stop();
		System.out.println(sw.getTotalTimeMillis());
		assertTrue("getStringParameter took too long: " + sw.getTotalTimeMillis(), sw.getTotalTimeMillis() < 250);
	}

	public void testGetFloatParameterWithDefaultValueHandlingIsFastEnough() {
		MockHttpServletRequest request = new MockHttpServletRequest();
		StopWatch sw = new StopWatch();
		sw.start();
		for (int i = 0; i < 1000000; i++) {
			ServletRequestUtils.getFloatParameter(request, "nonExistingParam", 0f);
		}
		sw.stop();
		System.out.println(sw.getTotalTimeMillis());
		assertTrue("getStringParameter took too long: " + sw.getTotalTimeMillis(), sw.getTotalTimeMillis() < 250);
	}

	public void testGetDoubleParameterWithDefaultValueHandlingIsFastEnough() {
		MockHttpServletRequest request = new MockHttpServletRequest();
		StopWatch sw = new StopWatch();
		sw.start();
		for (int i = 0; i < 1000000; i++) {
			ServletRequestUtils.getDoubleParameter(request, "nonExistingParam", 0d);
		}
		sw.stop();
		System.out.println(sw.getTotalTimeMillis());
		assertTrue("getStringParameter took too long: " + sw.getTotalTimeMillis(), sw.getTotalTimeMillis() < 250);
	}

	public void testGetBooleanParameterWithDefaultValueHandlingIsFastEnough() {
		MockHttpServletRequest request = new MockHttpServletRequest();
		StopWatch sw = new StopWatch();
		sw.start();
		for (int i = 0; i < 1000000; i++) {
			ServletRequestUtils.getBooleanParameter(request, "nonExistingParam", false);
		}
		sw.stop();
		System.out.println(sw.getTotalTimeMillis());
		assertTrue("getStringParameter took too long: " + sw.getTotalTimeMillis(), sw.getTotalTimeMillis() < 250);
	}

	public void testGetStringParameterWithDefaultValueHandlingIsFastEnough() {
		MockHttpServletRequest request = new MockHttpServletRequest();
		StopWatch sw = new StopWatch();
		sw.start();
		for (int i = 0; i < 1000000; i++) {
			ServletRequestUtils.getStringParameter(request, "nonExistingParam", "defaultValue");
		}
		sw.stop();
		System.out.println(sw.getTotalTimeMillis());
		assertTrue("getStringParameter took too long: " + sw.getTotalTimeMillis(), sw.getTotalTimeMillis() < 250);
	}

}