Spring Framework example source code file (ServletRequestDataBinderTests.java)

This example Spring Framework source code file (ServletRequestDataBinderTests.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

bean, blair, exception, exception, found, illegalargumentexception, javabean, mockhttpservletrequest, mockhttpservletrequest, servletrequestdatabinder, servletrequestdatabinder, servletrequestparameterpropertyvalues, string, testbean, testbean, tony, util

The Spring Framework ServletRequestDataBinderTests.java source code

/*
 * Copyright 2002-2006 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 java.beans.PropertyEditorSupport;
import java.util.Arrays;

import org.springframework.beans.AbstractPropertyValuesTests;
import org.springframework.beans.ITestBean;
import org.springframework.beans.TestBean;
import org.springframework.mock.web.MockHttpServletRequest;

/**
 * @author Rod Johnson
 * @author Juergen Hoeller
 */
public class ServletRequestDataBinderTests extends AbstractPropertyValuesTests {

	public void testBindingWithNestedObjectCreation() throws Exception {
		TestBean tb = new TestBean();

		ServletRequestDataBinder binder = new ServletRequestDataBinder(tb, "person");
		binder.registerCustomEditor(ITestBean.class, new PropertyEditorSupport() {
			public void setAsText(String text) throws IllegalArgumentException {
				setValue(new TestBean());
			}
		});

		MockHttpServletRequest request = new MockHttpServletRequest();
		request.addParameter("spouse", "someValue");
		request.addParameter("spouse.name", "test");
		binder.bind(request);

		assertNotNull(tb.getSpouse());
		assertEquals("test", tb.getSpouse().getName());
	}

	public void testFieldPrefixCausesFieldReset() throws Exception {
		TestBean target = new TestBean();
		ServletRequestDataBinder binder = new ServletRequestDataBinder(target);

		MockHttpServletRequest request = new MockHttpServletRequest();
		request.addParameter("_postProcessed", "visible");
		request.addParameter("postProcessed", "on");
		binder.bind(request);
		assertTrue(target.isPostProcessed());

		request.removeParameter("postProcessed");
		binder.bind(request);
		assertFalse(target.isPostProcessed());
	}

	public void testFieldPrefixCausesFieldResetWithIgnoreUnknownFields() throws Exception {
		TestBean target = new TestBean();
		ServletRequestDataBinder binder = new ServletRequestDataBinder(target);
		binder.setIgnoreUnknownFields(false);

		MockHttpServletRequest request = new MockHttpServletRequest();
		request.addParameter("_postProcessed", "visible");
		request.addParameter("postProcessed", "on");
		binder.bind(request);
		assertTrue(target.isPostProcessed());

		request.removeParameter("postProcessed");
		binder.bind(request);
		assertFalse(target.isPostProcessed());
	}

	public void testWithCommaSeparatedStringArray() throws Exception {
		TestBean target = new TestBean();
		ServletRequestDataBinder binder = new ServletRequestDataBinder(target);

		MockHttpServletRequest request = new MockHttpServletRequest();
		request.addParameter("stringArray", "bar");
		request.addParameter("stringArray", "abc");
		request.addParameter("stringArray", "123,def");
		binder.bind(request);
		assertEquals("Expected all three items to be bound", 3, target.getStringArray().length);

		request.removeParameter("stringArray");
		request.addParameter("stringArray", "123,def");
		binder.bind(request);
		assertEquals("Expected only 1 item to be bound", 1, target.getStringArray().length);
	}

	public void testBindingWithNestedObjectCreationAndWrongOrder() throws Exception {
		TestBean tb = new TestBean();

		ServletRequestDataBinder binder = new ServletRequestDataBinder(tb, "person");
		binder.registerCustomEditor(ITestBean.class, new PropertyEditorSupport() {
			public void setAsText(String text) throws IllegalArgumentException {
				setValue(new TestBean());
			}
		});

		MockHttpServletRequest request = new MockHttpServletRequest();
		request.addParameter("spouse.name", "test");
		request.addParameter("spouse", "someValue");
		binder.bind(request);

		assertNotNull(tb.getSpouse());
		assertEquals("test", tb.getSpouse().getName());
	}

	public void testNoPrefix() throws Exception {
		MockHttpServletRequest request = new MockHttpServletRequest();
		request.addParameter("forname", "Tony");
		request.addParameter("surname", "Blair");
		request.addParameter("age", "" + 50);

		ServletRequestParameterPropertyValues pvs = new ServletRequestParameterPropertyValues(request);
		doTestTony(pvs);
	}

	public void testPrefix() throws Exception {
		MockHttpServletRequest request = new MockHttpServletRequest();
		request.addParameter("test_forname", "Tony");
		request.addParameter("test_surname", "Blair");
		request.addParameter("test_age", "" + 50);

		ServletRequestParameterPropertyValues pvs = new ServletRequestParameterPropertyValues(request);
		assertTrue("Didn't fidn normal when given prefix", !pvs.contains("forname"));
		assertTrue("Did treat prefix as normal when not given prefix", pvs.contains("test_forname"));

		pvs = new ServletRequestParameterPropertyValues(request, "test");
		doTestTony(pvs);
	}

	public void testNoParameters() throws Exception {
		MockHttpServletRequest request = new MockHttpServletRequest();
		ServletRequestParameterPropertyValues pvs = new ServletRequestParameterPropertyValues(request);
		assertTrue("Found no parameters", pvs.getPropertyValues().length == 0);
	}

	public void testMultipleValuesForParameter() throws Exception {
		MockHttpServletRequest request = new MockHttpServletRequest();
		String[] original = new String[] {"Tony", "Rod"};
		request.addParameter("forname", original);

		ServletRequestParameterPropertyValues pvs = new ServletRequestParameterPropertyValues(request);
		assertTrue("Found 1 parameter", pvs.getPropertyValues().length == 1);
		assertTrue("Found array value", pvs.getPropertyValue("forname").getValue() instanceof String[]);
		String[] values = (String[]) pvs.getPropertyValue("forname").getValue();
		assertEquals("Correct values", Arrays.asList(values), Arrays.asList(original));
	}

}