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Spring Framework example source code file (DataBinderTests.java)

This example Spring Framework source code file (DataBinderTests.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, databinder, databinder, exception, fielderror, indexedtestbean, io, javabean, mutablepropertyvalues, mutablepropertyvalues, not_rod, objecterror, rod, string, string, testbean, testbean, util

The Spring Framework DataBinderTests.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.validation;

import java.beans.PropertyEditorSupport;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.ObjectInputStream;
import java.io.ObjectOutputStream;
import java.util.Locale;
import java.util.Map;
import java.util.Set;
import java.util.TreeSet;

import junit.framework.TestCase;

import org.springframework.beans.BeanWithObjectProperty;
import org.springframework.beans.DerivedTestBean;
import org.springframework.beans.ITestBean;
import org.springframework.beans.IndexedTestBean;
import org.springframework.beans.MethodInvocationException;
import org.springframework.beans.MutablePropertyValues;
import org.springframework.beans.NotWritablePropertyException;
import org.springframework.beans.NullValueInNestedPathException;
import org.springframework.beans.SerializablePerson;
import org.springframework.beans.TestBean;
import org.springframework.beans.TypeMismatchException;
import org.springframework.beans.propertyeditors.CustomCollectionEditor;
import org.springframework.beans.propertyeditors.CustomNumberEditor;
import org.springframework.context.support.ResourceBundleMessageSource;
import org.springframework.context.support.StaticMessageSource;
import org.springframework.util.StringUtils;

/**
 * @author Rod Johnson
 * @author Juergen Hoeller
 * @author Rob Harrop
 */
public class DataBinderTests extends TestCase {

	public void testBindingNoErrors() throws Exception {
		TestBean rod = new TestBean();
		DataBinder binder = new DataBinder(rod, "person");
		assertTrue(binder.isIgnoreUnknownFields());
		MutablePropertyValues pvs = new MutablePropertyValues();
		pvs.addPropertyValue("name", "Rod");
		pvs.addPropertyValue("age", "032");
		pvs.addPropertyValue("nonExisting", "someValue");

		binder.bind(pvs);
		binder.close();

		assertTrue("changed name correctly", rod.getName().equals("Rod"));
		assertTrue("changed age correctly", rod.getAge() == 32);

		Map map = binder.getBindingResult().getModel();
		assertTrue("There is one element in map", map.size() == 2);
		TestBean tb = (TestBean) map.get("person");
		assertTrue("Same object", tb.equals(rod));

		BindingResult other = new BeanPropertyBindingResult(rod, "person");
		assertEquals(other, binder.getBindingResult());
		assertEquals(binder.getBindingResult(), other);
		BindException ex = new BindException(other);
		assertEquals(ex, other);
		assertEquals(other, ex);
		assertEquals(ex, binder.getBindingResult());
		assertEquals(binder.getBindingResult(), ex);

		other.reject("xxx");
		assertTrue(!other.equals(binder.getBindingResult()));
	}

	public void testedBindingWithDefaultConversionNoErrors() throws Exception {
		TestBean rod = new TestBean();
		DataBinder binder = new DataBinder(rod, "person");
		assertTrue(binder.isIgnoreUnknownFields());
		MutablePropertyValues pvs = new MutablePropertyValues();
		pvs.addPropertyValue("name", "Rod");
		pvs.addPropertyValue("jedi", "on");

		binder.bind(pvs);
		binder.close();

		assertEquals("Rod", rod.getName());
		assertTrue(rod.isJedi());
	}

	public void testedNestedBindingWithDefaultConversionNoErrors() throws Exception {
		TestBean rod = new TestBean(new TestBean());
		DataBinder binder = new DataBinder(rod, "person");
		assertTrue(binder.isIgnoreUnknownFields());
		MutablePropertyValues pvs = new MutablePropertyValues();
		pvs.addPropertyValue("spouse.name", "Kerry");
		pvs.addPropertyValue("spouse.jedi", "on");

		binder.bind(pvs);
		binder.close();

		assertEquals("Kerry", rod.getSpouse().getName());
		assertTrue(((TestBean) rod.getSpouse()).isJedi());
	}

	public void testBindingNoErrorsNotIgnoreUnknown() throws Exception {
		TestBean rod = new TestBean();
		DataBinder binder = new DataBinder(rod, "person");
		binder.setIgnoreUnknownFields(false);
		MutablePropertyValues pvs = new MutablePropertyValues();
		pvs.addPropertyValue("name", "Rod");
		pvs.addPropertyValue("age", new Integer(32));
		pvs.addPropertyValue("nonExisting", "someValue");

		try {
			binder.bind(pvs);
			fail("Should have thrown NotWritablePropertyException");
		}
		catch (NotWritablePropertyException ex) {
			// expected
		}
	}

	public void testBindingNoErrorsWithInvalidField() throws Exception {
		TestBean rod = new TestBean();
		DataBinder binder = new DataBinder(rod, "person");
		MutablePropertyValues pvs = new MutablePropertyValues();
		pvs.addPropertyValue("name", "Rod");
		pvs.addPropertyValue("spouse.age", new Integer(32));

		try {
			binder.bind(pvs);
			fail("Should have thrown NullValueInNestedPathException");
		}
		catch (NullValueInNestedPathException ex) {
			// expected
		}
	}

	public void testBindingNoErrorsWithIgnoreInvalid() throws Exception {
		TestBean rod = new TestBean();
		DataBinder binder = new DataBinder(rod, "person");
		binder.setIgnoreInvalidFields(true);
		MutablePropertyValues pvs = new MutablePropertyValues();
		pvs.addPropertyValue("name", "Rod");
		pvs.addPropertyValue("spouse.age", new Integer(32));

		binder.bind(pvs);
	}

	public void testBindingWithErrors() throws Exception {
		TestBean rod = new TestBean();
		DataBinder binder = new DataBinder(rod, "person");
		MutablePropertyValues pvs = new MutablePropertyValues();
		pvs.addPropertyValue("name", "Rod");
		pvs.addPropertyValue("age", "32x");
		pvs.addPropertyValue("touchy", "m.y");
		binder.bind(pvs);

		try {
			binder.close();
			fail("Should have thrown BindException");
		}
		catch (BindException ex) {
			assertTrue("changed name correctly", rod.getName().equals("Rod"));
			//assertTrue("changed age correctly", rod.getAge() == 32);

			Map map = binder.getBindingResult().getModel();
			//assertTrue("There are 3 element in map", m.size() == 1);
			TestBean tb = (TestBean) map.get("person");
			assertTrue("Same object", tb.equals(rod));

			BindingResult br = (BindingResult) map.get(BindingResult.MODEL_KEY_PREFIX + "person");
			assertSame(br, BindingResultUtils.getBindingResult(map, "person"));
			assertSame(br, BindingResultUtils.getRequiredBindingResult(map, "person"));

			assertNull(BindingResultUtils.getBindingResult(map, "someOtherName"));
			try {
				BindingResultUtils.getRequiredBindingResult(map, "someOtherName");
				fail("Should have thrown IllegalStateException");
			}
			catch (IllegalStateException expected) {
			}

			assertTrue("Added itself to map", br == binder.getBindingResult());
			assertTrue(br.hasErrors());
			assertTrue("Correct number of errors", br.getErrorCount() == 2);

			assertTrue("Has age errors", br.hasFieldErrors("age"));
			assertTrue("Correct number of age errors", br.getFieldErrorCount("age") == 1);
			assertEquals("32x", binder.getBindingResult().getFieldValue("age"));
			assertEquals("32x", binder.getBindingResult().getFieldError("age").getRejectedValue());
			assertEquals(0, tb.getAge());

			assertTrue("Has touchy errors", br.hasFieldErrors("touchy"));
			assertTrue("Correct number of touchy errors", br.getFieldErrorCount("touchy") == 1);
			assertEquals("m.y", binder.getBindingResult().getFieldValue("touchy"));
			assertEquals("m.y", binder.getBindingResult().getFieldError("touchy").getRejectedValue());
			assertNull(tb.getTouchy());

			BindingResult other = new BeanPropertyBindingResult(rod, "person");
			assertTrue(!other.equals(ex));
			other.rejectValue("age", TypeMismatchException.ERROR_CODE);
			other.rejectValue("touchy", MethodInvocationException.ERROR_CODE);
			assertEquals(other, ex);
		}
	}

	public void testBindingWithErrorsAndCustomEditors() throws Exception {
		TestBean rod = new TestBean();
		DataBinder binder = new DataBinder(rod, "person");
		binder.registerCustomEditor(String.class, "touchy", new PropertyEditorSupport() {
			public void setAsText(String text) throws IllegalArgumentException {
				setValue("prefix_" + text);
			}
			public String getAsText() {
				return getValue().toString().substring(7);
			}
		});
		binder.registerCustomEditor(TestBean.class, "spouse", new PropertyEditorSupport() {
			public void setAsText(String text) throws IllegalArgumentException {
				setValue(new TestBean(text, 0));
			}
			public String getAsText() {
				return ((TestBean) getValue()).getName();
			}
		});
		MutablePropertyValues pvs = new MutablePropertyValues();
		pvs.addPropertyValue("name", "Rod");
		pvs.addPropertyValue("age", "32x");
		pvs.addPropertyValue("touchy", "m.y");
		pvs.addPropertyValue("spouse", "Kerry");
		binder.bind(pvs);

		try {
			binder.close();
			fail("Should have thrown BindException");
		}
		catch (BindException ex) {
			assertTrue("changed name correctly", rod.getName().equals("Rod"));
			//assertTrue("changed age correctly", rod.getAge() == 32);

			Map model = binder.getBindingResult().getModel();
			//assertTrue("There are 3 element in map", m.size() == 1);
			TestBean tb = (TestBean) model.get("person");
			assertTrue("Same object", tb.equals(rod));

			BindingResult br = (BindingResult) model.get(BindingResult.MODEL_KEY_PREFIX + "person");
			assertTrue("Added itself to map", br == binder.getBindingResult());
			assertTrue(br.hasErrors());
			assertTrue("Correct number of errors", br.getErrorCount() == 2);

			assertTrue("Has age errors", br.hasFieldErrors("age"));
			assertTrue("Correct number of age errors", br.getFieldErrorCount("age") == 1);
			assertEquals("32x", binder.getBindingResult().getFieldValue("age"));
			assertEquals("32x", binder.getBindingResult().getFieldError("age").getRejectedValue());
			assertEquals(0, tb.getAge());

			assertTrue("Has touchy errors", br.hasFieldErrors("touchy"));
			assertTrue("Correct number of touchy errors", br.getFieldErrorCount("touchy") == 1);
			assertEquals("m.y", binder.getBindingResult().getFieldValue("touchy"));
			assertEquals("m.y", binder.getBindingResult().getFieldError("touchy").getRejectedValue());
			assertNull(tb.getTouchy());

			assertTrue("Does not have spouse errors", !br.hasFieldErrors("spouse"));
			assertEquals("Kerry", binder.getBindingResult().getFieldValue("spouse"));
			assertNotNull(tb.getSpouse());
		}
	}

	public void testBindingWithCustomEditorOnObjectField() {
		BeanWithObjectProperty tb = new BeanWithObjectProperty();
		DataBinder binder = new DataBinder(tb);
		binder.registerCustomEditor(Integer.class, "object", new CustomNumberEditor(Integer.class, true));
		MutablePropertyValues pvs = new MutablePropertyValues();
		pvs.addPropertyValue("object", "1");
		binder.bind(pvs);
		assertEquals(new Integer(1), tb.getObject());
	}

	public void testBindingWithAllowedFields() throws Exception {
		TestBean rod = new TestBean();
		DataBinder binder = new DataBinder(rod);
		binder.setAllowedFields(new String[] {"name", "myparam"});
		MutablePropertyValues pvs = new MutablePropertyValues();
		pvs.addPropertyValue("name", "Rod");
		pvs.addPropertyValue("age", "32x");

		binder.bind(pvs);
		binder.close();
		assertTrue("changed name correctly", rod.getName().equals("Rod"));
		assertTrue("did not change age", rod.getAge() == 0);
	}

	public void testBindingWithDisallowedFields() throws Exception {
		TestBean rod = new TestBean();
		DataBinder binder = new DataBinder(rod);
		binder.setDisallowedFields(new String[] {"age"});
		MutablePropertyValues pvs = new MutablePropertyValues();
		pvs.addPropertyValue("name", "Rod");
		pvs.addPropertyValue("age", "32x");

		binder.bind(pvs);
		binder.close();
		assertTrue("changed name correctly", rod.getName().equals("Rod"));
		assertTrue("did not change age", rod.getAge() == 0);
		String[] disallowedFields = binder.getBindingResult().getSuppressedFields();
		assertEquals(1, disallowedFields.length);
		assertEquals("age", disallowedFields[0]);
	}

	public void testBindingWithAllowedAndDisallowedFields() throws Exception {
		TestBean rod = new TestBean();
		DataBinder binder = new DataBinder(rod);
		binder.setAllowedFields(new String[] {"name", "myparam"});
		binder.setDisallowedFields(new String[] {"age"});
		MutablePropertyValues pvs = new MutablePropertyValues();
		pvs.addPropertyValue("name", "Rod");
		pvs.addPropertyValue("age", "32x");

		binder.bind(pvs);
		binder.close();
		assertTrue("changed name correctly", rod.getName().equals("Rod"));
		assertTrue("did not change age", rod.getAge() == 0);
		String[] disallowedFields = binder.getBindingResult().getSuppressedFields();
		assertEquals(1, disallowedFields.length);
		assertEquals("age", disallowedFields[0]);
	}

	public void testBindingWithOverlappingAllowedAndDisallowedFields() throws Exception {
		TestBean rod = new TestBean();
		DataBinder binder = new DataBinder(rod);
		binder.setAllowedFields(new String[] {"name", "age"});
		binder.setDisallowedFields(new String[] {"age"});
		MutablePropertyValues pvs = new MutablePropertyValues();
		pvs.addPropertyValue("name", "Rod");
		pvs.addPropertyValue("age", "32x");

		binder.bind(pvs);
		binder.close();
		assertTrue("changed name correctly", rod.getName().equals("Rod"));
		assertTrue("did not change age", rod.getAge() == 0);
		String[] disallowedFields = binder.getBindingResult().getSuppressedFields();
		assertEquals(1, disallowedFields.length);
		assertEquals("age", disallowedFields[0]);
	}

	public void testBindingWithAllowedFieldsUsingAsterisks() throws Exception {
		TestBean rod = new TestBean();
		DataBinder binder = new DataBinder(rod, "person");
		binder.setAllowedFields(new String[] {"nam*", "*ouchy"});

		MutablePropertyValues pvs = new MutablePropertyValues();
		pvs.addPropertyValue("name", "Rod");
		pvs.addPropertyValue("touchy", "Rod");
		pvs.addPropertyValue("age", "32x");

		binder.bind(pvs);
		binder.close();

		assertTrue("changed name correctly", "Rod".equals(rod.getName()));
		assertTrue("changed touchy correctly", "Rod".equals(rod.getTouchy()));
		assertTrue("did not change age", rod.getAge() == 0);
		String[] disallowedFields = binder.getBindingResult().getSuppressedFields();
		assertEquals(1, disallowedFields.length);
		assertEquals("age", disallowedFields[0]);

		Map m = binder.getBindingResult().getModel();
		assertTrue("There is one element in map", m.size() == 2);
		TestBean tb = (TestBean) m.get("person");
		assertTrue("Same object", tb.equals(rod));
	}

	public void testBindingWithAllowedAndDisallowedMapFields() throws Exception {
		TestBean rod = new TestBean();
		DataBinder binder = new DataBinder(rod);
		binder.setAllowedFields(new String[] {"someMap[key1]", "someMap[key2]"});
		binder.setDisallowedFields(new String[] {"someMap['key3']", "someMap[key4]"});

		MutablePropertyValues pvs = new MutablePropertyValues();
		pvs.addPropertyValue("someMap[key1]", "value1");
		pvs.addPropertyValue("someMap['key2']", "value2");
		pvs.addPropertyValue("someMap[key3]", "value3");
		pvs.addPropertyValue("someMap['key4']", "value4");

		binder.bind(pvs);
		binder.close();
		assertEquals("value1", rod.getSomeMap().get("key1"));
		assertEquals("value2", rod.getSomeMap().get("key2"));
		assertNull(rod.getSomeMap().get("key3"));
		assertNull(rod.getSomeMap().get("key4"));
		String[] disallowedFields = binder.getBindingResult().getSuppressedFields();
		assertEquals(2, disallowedFields.length);
		assertEquals("someMap[key3]", disallowedFields[0]);
		assertEquals("someMap[key4]", disallowedFields[1]);
	}

	/**
	 * Tests for required field, both null, non-existing and empty strings.
	 */
	public void testBindingWithRequiredFields() throws Exception {
		TestBean tb = new TestBean();
		tb.setSpouse(new TestBean());

		DataBinder binder = new DataBinder(tb, "person");
		binder.setRequiredFields(new String[] {"touchy", "name", "age", "date", "spouse.name"});

		MutablePropertyValues pvs = new MutablePropertyValues();
		pvs.addPropertyValue("touchy", "");
		pvs.addPropertyValue("name", null);
		pvs.addPropertyValue("age", null);
		pvs.addPropertyValue("spouse.name", "     ");

		binder.bind(pvs);

		BindingResult br = binder.getBindingResult();
		assertEquals("Wrong number of errors", 5, br.getErrorCount());

		assertEquals("required", br.getFieldError("touchy").getCode());
		assertEquals("", br.getFieldValue("touchy"));
		assertEquals("required", br.getFieldError("name").getCode());
		assertEquals("", br.getFieldValue("name"));
		assertEquals("required", br.getFieldError("age").getCode());
		assertEquals("", br.getFieldValue("age"));
		assertEquals("required", br.getFieldError("date").getCode());
		assertEquals("", br.getFieldValue("date"));
		assertEquals("required", br.getFieldError("spouse.name").getCode());
		assertEquals("", br.getFieldValue("spouse.name"));
	}

	public void testBindingWithRequiredMapFields() throws Exception {
		TestBean tb = new TestBean();
		tb.setSpouse(new TestBean());

		DataBinder binder = new DataBinder(tb, "person");
		binder.setRequiredFields(new String[] {"someMap[key1]", "someMap[key2]", "someMap['key3']", "someMap[key4]"});

		MutablePropertyValues pvs = new MutablePropertyValues();
		pvs.addPropertyValue("someMap[key1]", "value1");
		pvs.addPropertyValue("someMap['key2']", "value2");
		pvs.addPropertyValue("someMap[key3]", "value3");

		binder.bind(pvs);

		BindingResult br = binder.getBindingResult();
		assertEquals("Wrong number of errors", 1, br.getErrorCount());
		assertEquals("required", br.getFieldError("someMap[key4]").getCode());
	}

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

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

		MutablePropertyValues pvs = new MutablePropertyValues();
		pvs.addPropertyValue("spouse", "someValue");
		pvs.addPropertyValue("spouse.name", "test");
		binder.bind(pvs);

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

	public void testCustomEditorForSingleProperty() {
		TestBean tb = new TestBean();
		tb.setSpouse(new TestBean());
		DataBinder binder = new DataBinder(tb, "tb");

		binder.registerCustomEditor(String.class, "name", new PropertyEditorSupport() {
			public void setAsText(String text) throws IllegalArgumentException {
				setValue("prefix" + text);
			}
			public String getAsText() {
				return ((String) getValue()).substring(6);
			}
		});

		MutablePropertyValues pvs = new MutablePropertyValues();
		pvs.addPropertyValue("name", "value");
		pvs.addPropertyValue("touchy", "value");
		pvs.addPropertyValue("spouse.name", "sue");
		binder.bind(pvs);

		binder.getBindingResult().rejectValue("name", "someCode", "someMessage");
		binder.getBindingResult().rejectValue("touchy", "someCode", "someMessage");
		binder.getBindingResult().rejectValue("spouse.name", "someCode", "someMessage");

		assertEquals("", binder.getBindingResult().getNestedPath());
		assertEquals("value", binder.getBindingResult().getFieldValue("name"));
		assertEquals("prefixvalue", binder.getBindingResult().getFieldError("name").getRejectedValue());
		assertEquals("prefixvalue", tb.getName());
		assertEquals("value", binder.getBindingResult().getFieldValue("touchy"));
		assertEquals("value", binder.getBindingResult().getFieldError("touchy").getRejectedValue());
		assertEquals("value", tb.getTouchy());

		assertTrue(binder.getBindingResult().hasFieldErrors("spouse.*"));
		assertEquals(1, binder.getBindingResult().getFieldErrorCount("spouse.*"));
		assertEquals("spouse.name", binder.getBindingResult().getFieldError("spouse.*").getField());
	}

	public void testCustomEditorForPrimitiveProperty() {
		TestBean tb = new TestBean();
		DataBinder binder = new DataBinder(tb, "tb");

		binder.registerCustomEditor(int.class, "age", new PropertyEditorSupport() {
			public void setAsText(String text) throws IllegalArgumentException {
				setValue(new Integer(99));
			}
			public String getAsText() {
				return "argh";
			}
		});

		MutablePropertyValues pvs = new MutablePropertyValues();
		pvs.addPropertyValue("age", "");
		binder.bind(pvs);

		assertEquals("argh", binder.getBindingResult().getFieldValue("age"));
		assertEquals(99, tb.getAge());
	}

	public void testCustomEditorForAllStringProperties() {
		TestBean tb = new TestBean();
		DataBinder binder = new DataBinder(tb, "tb");

		binder.registerCustomEditor(String.class, null, new PropertyEditorSupport() {
			public void setAsText(String text) throws IllegalArgumentException {
				setValue("prefix" + text);
			}
			public String getAsText() {
				return ((String) getValue()).substring(6);
			}
		});

		MutablePropertyValues pvs = new MutablePropertyValues();
		pvs.addPropertyValue("name", "value");
		pvs.addPropertyValue("touchy", "value");
		binder.bind(pvs);

		binder.getBindingResult().rejectValue("name", "someCode", "someMessage");
		binder.getBindingResult().rejectValue("touchy", "someCode", "someMessage");

		assertEquals("value", binder.getBindingResult().getFieldValue("name"));
		assertEquals("prefixvalue", binder.getBindingResult().getFieldError("name").getRejectedValue());
		assertEquals("prefixvalue", tb.getName());
		assertEquals("value", binder.getBindingResult().getFieldValue("touchy"));
		assertEquals("prefixvalue", binder.getBindingResult().getFieldError("touchy").getRejectedValue());
		assertEquals("prefixvalue", tb.getTouchy());
	}

	public void testCustomEditorWithOldValueAccess() {
		TestBean tb = new TestBean();
		DataBinder binder = new DataBinder(tb, "tb");

		binder.registerCustomEditor(String.class, null, new PropertyEditorSupport() {
			public void setAsText(String text) throws IllegalArgumentException {
				if (getValue() == null || !text.equalsIgnoreCase(getValue().toString())) {
					setValue(text);
				}
			}
		});

		MutablePropertyValues pvs = new MutablePropertyValues();
		pvs.addPropertyValue("name", "value");
		binder.bind(pvs);
		assertEquals("value", tb.getName());

		pvs = new MutablePropertyValues();
		pvs.addPropertyValue("name", "vaLue");
		binder.bind(pvs);
		assertEquals("value", tb.getName());
	}

	public void testValidatorNoErrors() {
		TestBean tb = new TestBean();
		tb.setAge(33);
		tb.setName("Rod");
		try {
			tb.setTouchy("Rod");
		}
		catch (Exception e) {
			fail("Should not throw any Exception");
		}
		TestBean tb2 = new TestBean();
		tb2.setAge(34);
		tb.setSpouse(tb2);
		DataBinder db = new DataBinder(tb, "tb");
		MutablePropertyValues pvs = new MutablePropertyValues();
		pvs.addPropertyValue("spouse.age", "argh");
		db.bind(pvs);
		Errors errors = db.getBindingResult();
		Validator testValidator = new TestBeanValidator();
		testValidator.validate(tb, errors);

		errors.setNestedPath("spouse");
		assertEquals("spouse.", errors.getNestedPath());
		assertEquals("argh", errors.getFieldValue("age"));
		Validator spouseValidator = new SpouseValidator();
		spouseValidator.validate(tb.getSpouse(), errors);

		errors.setNestedPath("");
		assertEquals("", errors.getNestedPath());
		errors.pushNestedPath("spouse");
		assertEquals("spouse.", errors.getNestedPath());
		errors.pushNestedPath("spouse");
		assertEquals("spouse.spouse.", errors.getNestedPath());
		errors.popNestedPath();
		assertEquals("spouse.", errors.getNestedPath());
		errors.popNestedPath();
		assertEquals("", errors.getNestedPath());
		try {
			errors.popNestedPath();
		}
		catch (IllegalStateException ex) {
			// expected, because stack was empty
		}
		errors.pushNestedPath("spouse");
		assertEquals("spouse.", errors.getNestedPath());
		errors.setNestedPath("");
		assertEquals("", errors.getNestedPath());
		try {
			errors.popNestedPath();
		}
		catch (IllegalStateException ex) {
			// expected, because stack was reset by setNestedPath
		}

		errors.pushNestedPath("spouse");
		assertEquals("spouse.", errors.getNestedPath());

		assertEquals(1, errors.getErrorCount());
		assertTrue(!errors.hasGlobalErrors());
		assertEquals(1, errors.getFieldErrorCount("age"));
		assertTrue(!errors.hasFieldErrors("name"));
	}

	public void testValidatorWithErrors() {
		TestBean tb = new TestBean();
		tb.setSpouse(new TestBean());

		Errors errors = new BeanPropertyBindingResult(tb, "tb");

		Validator testValidator = new TestBeanValidator();
		testValidator.validate(tb, errors);

		errors.setNestedPath("spouse.");
		assertEquals("spouse.", errors.getNestedPath());
		Validator spouseValidator = new SpouseValidator();
		spouseValidator.validate(tb.getSpouse(), errors);

		errors.setNestedPath("");
		assertTrue(errors.hasErrors());
		assertEquals(6, errors.getErrorCount());

		assertEquals(2, errors.getGlobalErrorCount());
		assertEquals("NAME_TOUCHY_MISMATCH", errors.getGlobalError().getCode());
		assertEquals("NAME_TOUCHY_MISMATCH", ((ObjectError) errors.getGlobalErrors().get(0)).getCode());
		assertEquals("NAME_TOUCHY_MISMATCH.tb", ((ObjectError) errors.getGlobalErrors().get(0)).getCodes()[0]);
		assertEquals("NAME_TOUCHY_MISMATCH", ((ObjectError) errors.getGlobalErrors().get(0)).getCodes()[1]);
		assertEquals("tb", ((ObjectError) errors.getGlobalErrors().get(0)).getObjectName());
		assertEquals("GENERAL_ERROR", ((ObjectError) errors.getGlobalErrors().get(1)).getCode());
		assertEquals("GENERAL_ERROR.tb", ((ObjectError) errors.getGlobalErrors().get(1)).getCodes()[0]);
		assertEquals("GENERAL_ERROR", ((ObjectError) errors.getGlobalErrors().get(1)).getCodes()[1]);
		assertEquals("msg", ((ObjectError) errors.getGlobalErrors().get(1)).getDefaultMessage());
		assertEquals("arg", ((ObjectError) errors.getGlobalErrors().get(1)).getArguments()[0]);

		assertTrue(errors.hasFieldErrors());
		assertEquals(4, errors.getFieldErrorCount());
		assertEquals("TOO_YOUNG", errors.getFieldError().getCode());
		assertEquals("TOO_YOUNG", ((FieldError) errors.getFieldErrors().get(0)).getCode());
		assertEquals("age", ((FieldError) errors.getFieldErrors().get(0)).getField());
		assertEquals("AGE_NOT_ODD", ((FieldError) errors.getFieldErrors().get(1)).getCode());
		assertEquals("age", ((FieldError) errors.getFieldErrors().get(1)).getField());
		assertEquals("NOT_ROD", ((FieldError) errors.getFieldErrors().get(2)).getCode());
		assertEquals("name", ((FieldError) errors.getFieldErrors().get(2)).getField());
		assertEquals("TOO_YOUNG", ((FieldError) errors.getFieldErrors().get(3)).getCode());
		assertEquals("spouse.age", ((FieldError) errors.getFieldErrors().get(3)).getField());

		assertTrue(errors.hasFieldErrors("age"));
		assertEquals(2, errors.getFieldErrorCount("age"));
		assertEquals("TOO_YOUNG", errors.getFieldError("age").getCode());
		assertEquals("TOO_YOUNG", ((FieldError) errors.getFieldErrors("age").get(0)).getCode());
		assertEquals("tb", ((FieldError) errors.getFieldErrors("age").get(0)).getObjectName());
		assertEquals("age", ((FieldError) errors.getFieldErrors("age").get(0)).getField());
		assertEquals(new Integer(0), ((FieldError) errors.getFieldErrors("age").get(0)).getRejectedValue());
		assertEquals("AGE_NOT_ODD", ((FieldError) errors.getFieldErrors("age").get(1)).getCode());

		assertTrue(errors.hasFieldErrors("name"));
		assertEquals(1, errors.getFieldErrorCount("name"));
		assertEquals("NOT_ROD", errors.getFieldError("name").getCode());
		assertEquals("NOT_ROD.tb.name", errors.getFieldError("name").getCodes()[0]);
		assertEquals("NOT_ROD.name", errors.getFieldError("name").getCodes()[1]);
		assertEquals("NOT_ROD.java.lang.String", errors.getFieldError("name").getCodes()[2]);
		assertEquals("NOT_ROD", errors.getFieldError("name").getCodes()[3]);
		assertEquals("name", ((FieldError) errors.getFieldErrors("name").get(0)).getField());
		assertEquals(null, ((FieldError) errors.getFieldErrors("name").get(0)).getRejectedValue());

		assertTrue(errors.hasFieldErrors("spouse.age"));
		assertEquals(1, errors.getFieldErrorCount("spouse.age"));
		assertEquals("TOO_YOUNG", errors.getFieldError("spouse.age").getCode());
		assertEquals("tb", ((FieldError) errors.getFieldErrors("spouse.age").get(0)).getObjectName());
		assertEquals(new Integer(0), ((FieldError) errors.getFieldErrors("spouse.age").get(0)).getRejectedValue());
	}

	public void testValidatorWithErrorsAndCodesPrefix() {
		TestBean tb = new TestBean();
		tb.setSpouse(new TestBean());

		BeanPropertyBindingResult errors = new BeanPropertyBindingResult(tb, "tb");
		DefaultMessageCodesResolver codesResolver = new DefaultMessageCodesResolver();
		codesResolver.setPrefix("validation.");
		errors.setMessageCodesResolver(codesResolver);

		Validator testValidator = new TestBeanValidator();
		testValidator.validate(tb, errors);

		errors.setNestedPath("spouse.");
		assertEquals("spouse.", errors.getNestedPath());
		Validator spouseValidator = new SpouseValidator();
		spouseValidator.validate(tb.getSpouse(), errors);

		errors.setNestedPath("");
		assertTrue(errors.hasErrors());
		assertEquals(6, errors.getErrorCount());

		assertEquals(2, errors.getGlobalErrorCount());
		assertEquals("validation.NAME_TOUCHY_MISMATCH", errors.getGlobalError().getCode());
		assertEquals("validation.NAME_TOUCHY_MISMATCH", ((ObjectError) errors.getGlobalErrors().get(0)).getCode());
		assertEquals("validation.NAME_TOUCHY_MISMATCH.tb", ((ObjectError) errors.getGlobalErrors().get(0)).getCodes()[0]);
		assertEquals("validation.NAME_TOUCHY_MISMATCH", ((ObjectError) errors.getGlobalErrors().get(0)).getCodes()[1]);
		assertEquals("tb", ((ObjectError) errors.getGlobalErrors().get(0)).getObjectName());
		assertEquals("validation.GENERAL_ERROR", ((ObjectError) errors.getGlobalErrors().get(1)).getCode());
		assertEquals("validation.GENERAL_ERROR.tb", ((ObjectError) errors.getGlobalErrors().get(1)).getCodes()[0]);
		assertEquals("validation.GENERAL_ERROR", ((ObjectError) errors.getGlobalErrors().get(1)).getCodes()[1]);
		assertEquals("msg", ((ObjectError) errors.getGlobalErrors().get(1)).getDefaultMessage());
		assertEquals("arg", ((ObjectError) errors.getGlobalErrors().get(1)).getArguments()[0]);

		assertTrue(errors.hasFieldErrors());
		assertEquals(4, errors.getFieldErrorCount());
		assertEquals("validation.TOO_YOUNG", errors.getFieldError().getCode());
		assertEquals("validation.TOO_YOUNG", ((FieldError) errors.getFieldErrors().get(0)).getCode());
		assertEquals("age", ((FieldError) errors.getFieldErrors().get(0)).getField());
		assertEquals("validation.AGE_NOT_ODD", ((FieldError) errors.getFieldErrors().get(1)).getCode());
		assertEquals("age", ((FieldError) errors.getFieldErrors().get(1)).getField());
		assertEquals("validation.NOT_ROD", ((FieldError) errors.getFieldErrors().get(2)).getCode());
		assertEquals("name", ((FieldError) errors.getFieldErrors().get(2)).getField());
		assertEquals("validation.TOO_YOUNG", ((FieldError) errors.getFieldErrors().get(3)).getCode());
		assertEquals("spouse.age", ((FieldError) errors.getFieldErrors().get(3)).getField());

		assertTrue(errors.hasFieldErrors("age"));
		assertEquals(2, errors.getFieldErrorCount("age"));
		assertEquals("validation.TOO_YOUNG", errors.getFieldError("age").getCode());
		assertEquals("validation.TOO_YOUNG", ((FieldError) errors.getFieldErrors("age").get(0)).getCode());
		assertEquals("tb", ((FieldError) errors.getFieldErrors("age").get(0)).getObjectName());
		assertEquals("age", ((FieldError) errors.getFieldErrors("age").get(0)).getField());
		assertEquals(new Integer(0), ((FieldError) errors.getFieldErrors("age").get(0)).getRejectedValue());
		assertEquals("validation.AGE_NOT_ODD", ((FieldError) errors.getFieldErrors("age").get(1)).getCode());

		assertTrue(errors.hasFieldErrors("name"));
		assertEquals(1, errors.getFieldErrorCount("name"));
		assertEquals("validation.NOT_ROD", errors.getFieldError("name").getCode());
		assertEquals("validation.NOT_ROD.tb.name", errors.getFieldError("name").getCodes()[0]);
		assertEquals("validation.NOT_ROD.name", errors.getFieldError("name").getCodes()[1]);
		assertEquals("validation.NOT_ROD.java.lang.String", errors.getFieldError("name").getCodes()[2]);
		assertEquals("validation.NOT_ROD", errors.getFieldError("name").getCodes()[3]);
		assertEquals("name", ((FieldError) errors.getFieldErrors("name").get(0)).getField());
		assertEquals(null, ((FieldError) errors.getFieldErrors("name").get(0)).getRejectedValue());

		assertTrue(errors.hasFieldErrors("spouse.age"));
		assertEquals(1, errors.getFieldErrorCount("spouse.age"));
		assertEquals("validation.TOO_YOUNG", errors.getFieldError("spouse.age").getCode());
		assertEquals("tb", ((FieldError) errors.getFieldErrors("spouse.age").get(0)).getObjectName());
		assertEquals(new Integer(0), ((FieldError) errors.getFieldErrors("spouse.age").get(0)).getRejectedValue());
	}

	public void testValidatorWithNestedObjectNull() {
		TestBean tb = new TestBean();
		Errors errors = new BeanPropertyBindingResult(tb, "tb");
		Validator testValidator = new TestBeanValidator();
		testValidator.validate(tb, errors);
		errors.setNestedPath("spouse.");
		assertEquals("spouse.", errors.getNestedPath());
		Validator spouseValidator = new SpouseValidator();
		spouseValidator.validate(tb.getSpouse(), errors);
		errors.setNestedPath("");

		assertTrue(errors.hasFieldErrors("spouse"));
		assertEquals(1, errors.getFieldErrorCount("spouse"));
		assertEquals("SPOUSE_NOT_AVAILABLE", errors.getFieldError("spouse").getCode());
		assertEquals("tb", ((FieldError) errors.getFieldErrors("spouse").get(0)).getObjectName());
		assertEquals(null, ((FieldError) errors.getFieldErrors("spouse").get(0)).getRejectedValue());
	}

	public void testNestedValidatorWithoutNestedPath() {
		TestBean tb = new TestBean();
		tb.setName("XXX");
		Errors errors = new BeanPropertyBindingResult(tb, "tb");
		Validator spouseValidator = new SpouseValidator();
		spouseValidator.validate(tb, errors);

		assertTrue(errors.hasGlobalErrors());
		assertEquals(1, errors.getGlobalErrorCount());
		assertEquals("SPOUSE_NOT_AVAILABLE", errors.getGlobalError().getCode());
		assertEquals("tb", ((ObjectError) errors.getGlobalErrors().get(0)).getObjectName());
	}

	public void testBindingStringArrayToIntegerSet() {
		IndexedTestBean tb = new IndexedTestBean();
		DataBinder binder = new DataBinder(tb, "tb");
		binder.registerCustomEditor(Set.class, new CustomCollectionEditor(TreeSet.class) {
			protected Object convertElement(Object element) {
				return new Integer(element.toString());
			}
		});
		MutablePropertyValues pvs = new MutablePropertyValues();
		pvs.addPropertyValue("set", new String[] {"10", "20", "30"});
		binder.bind(pvs);

		assertEquals(tb.getSet(), binder.getBindingResult().getFieldValue("set"));
		assertTrue(tb.getSet() instanceof TreeSet);
		assertEquals(3, tb.getSet().size());
		assertTrue(tb.getSet().contains(new Integer(10)));
		assertTrue(tb.getSet().contains(new Integer(20)));
		assertTrue(tb.getSet().contains(new Integer(30)));

		pvs = new MutablePropertyValues();
		pvs.addPropertyValue("set", null);
		binder.bind(pvs);

		assertNull(tb.getSet());
	}

	public void testBindingNullToEmptyCollection() {
		IndexedTestBean tb = new IndexedTestBean();
		DataBinder binder = new DataBinder(tb, "tb");
		binder.registerCustomEditor(Set.class, new CustomCollectionEditor(TreeSet.class, true));
		MutablePropertyValues pvs = new MutablePropertyValues();
		pvs.addPropertyValue("set", null);
		binder.bind(pvs);

		assertTrue(tb.getSet() instanceof TreeSet);
		assertTrue(tb.getSet().isEmpty());
	}

	public void testBindingToIndexedField() {
		IndexedTestBean tb = new IndexedTestBean();
		DataBinder binder = new DataBinder(tb, "tb");
		binder.registerCustomEditor(String.class, "array.name", new PropertyEditorSupport() {
			public void setAsText(String text) throws IllegalArgumentException {
				setValue("array" + text);
			}
		});
		MutablePropertyValues pvs = new MutablePropertyValues();
		pvs.addPropertyValue("array[0]", "a");
		binder.bind(pvs);
		Errors errors = binder.getBindingResult();
		errors.rejectValue("array[0].name", "NOT_ROD", "are you sure you're not Rod?");
		errors.rejectValue("map[key1].name", "NOT_ROD", "are you sure you're not Rod?");

		assertEquals(1, errors.getFieldErrorCount("array[0].name"));
		assertEquals("NOT_ROD", errors.getFieldError("array[0].name").getCode());
		assertEquals("NOT_ROD.tb.array[0].name", errors.getFieldError("array[0].name").getCodes()[0]);
		assertEquals("NOT_ROD.tb.array.name", errors.getFieldError("array[0].name").getCodes()[1]);
		assertEquals("NOT_ROD.array[0].name", errors.getFieldError("array[0].name").getCodes()[2]);
		assertEquals("NOT_ROD.array.name", errors.getFieldError("array[0].name").getCodes()[3]);
		assertEquals("NOT_ROD.name", errors.getFieldError("array[0].name").getCodes()[4]);
		assertEquals("NOT_ROD.java.lang.String", errors.getFieldError("array[0].name").getCodes()[5]);
		assertEquals("NOT_ROD", errors.getFieldError("array[0].name").getCodes()[6]);
		assertEquals(1, errors.getFieldErrorCount("map[key1].name"));
		assertEquals(1, errors.getFieldErrorCount("map['key1'].name"));
		assertEquals(1, errors.getFieldErrorCount("map[\"key1\"].name"));
		assertEquals("NOT_ROD", errors.getFieldError("map[key1].name").getCode());
		assertEquals("NOT_ROD.tb.map[key1].name", errors.getFieldError("map[key1].name").getCodes()[0]);
		assertEquals("NOT_ROD.tb.map.name", errors.getFieldError("map[key1].name").getCodes()[1]);
		assertEquals("NOT_ROD.map[key1].name", errors.getFieldError("map[key1].name").getCodes()[2]);
		assertEquals("NOT_ROD.map.name", errors.getFieldError("map[key1].name").getCodes()[3]);
		assertEquals("NOT_ROD.name", errors.getFieldError("map[key1].name").getCodes()[4]);
		assertEquals("NOT_ROD.java.lang.String", errors.getFieldError("map[key1].name").getCodes()[5]);
		assertEquals("NOT_ROD", errors.getFieldError("map[key1].name").getCodes()[6]);
	}

	public void testBindingToNestedIndexedField() {
		IndexedTestBean tb = new IndexedTestBean();
		tb.getArray()[0].setNestedIndexedBean(new IndexedTestBean());
		tb.getArray()[1].setNestedIndexedBean(new IndexedTestBean());
		DataBinder binder = new DataBinder(tb, "tb");
		binder.registerCustomEditor(String.class, "array.nestedIndexedBean.list.name", new PropertyEditorSupport() {
			public void setAsText(String text) throws IllegalArgumentException {
				setValue("list" + text);
			}
		});
		MutablePropertyValues pvs = new MutablePropertyValues();
		pvs.addPropertyValue("array[0].nestedIndexedBean.list[0].name", "a");
		binder.bind(pvs);
		Errors errors = binder.getBindingResult();
		errors.rejectValue("array[0].nestedIndexedBean.list[0].name", "NOT_ROD", "are you sure you're not Rod?");

		assertEquals(1, errors.getFieldErrorCount("array[0].nestedIndexedBean.list[0].name"));
		assertEquals("NOT_ROD", errors.getFieldError("array[0].nestedIndexedBean.list[0].name").getCode());
		assertEquals("NOT_ROD.tb.array[0].nestedIndexedBean.list[0].name",
				errors.getFieldError("array[0].nestedIndexedBean.list[0].name").getCodes()[0]);
		assertEquals("NOT_ROD.tb.array[0].nestedIndexedBean.list.name",
				errors.getFieldError("array[0].nestedIndexedBean.list[0].name").getCodes()[1]);
		assertEquals("NOT_ROD.tb.array.nestedIndexedBean.list.name",
				errors.getFieldError("array[0].nestedIndexedBean.list[0].name").getCodes()[2]);
		assertEquals("NOT_ROD.array[0].nestedIndexedBean.list[0].name",
				errors.getFieldError("array[0].nestedIndexedBean.list[0].name").getCodes()[3]);
		assertEquals("NOT_ROD.array[0].nestedIndexedBean.list.name",
				errors.getFieldError("array[0].nestedIndexedBean.list[0].name").getCodes()[4]);
		assertEquals("NOT_ROD.array.nestedIndexedBean.list.name",
				errors.getFieldError("array[0].nestedIndexedBean.list[0].name").getCodes()[5]);
		assertEquals("NOT_ROD.name", errors.getFieldError("array[0].nestedIndexedBean.list[0].name").getCodes()[6]);
		assertEquals("NOT_ROD.java.lang.String",
				errors.getFieldError("array[0].nestedIndexedBean.list[0].name").getCodes()[7]);
		assertEquals("NOT_ROD", errors.getFieldError("array[0].nestedIndexedBean.list[0].name").getCodes()[8]);
	}

	public void testEditorForNestedIndexedField() {
		IndexedTestBean tb = new IndexedTestBean();
		tb.getArray()[0].setNestedIndexedBean(new IndexedTestBean());
		tb.getArray()[1].setNestedIndexedBean(new IndexedTestBean());
		DataBinder binder = new DataBinder(tb, "tb");
		binder.registerCustomEditor(String.class, "array.nestedIndexedBean.list.name", new PropertyEditorSupport() {
			public void setAsText(String text) throws IllegalArgumentException {
				setValue("list" + text);
			}
			public String getAsText() {
				return ((String) getValue()).substring(4);
			}
		});
		MutablePropertyValues pvs = new MutablePropertyValues();
		pvs.addPropertyValue("array[0].nestedIndexedBean.list[0].name", "test1");
		pvs.addPropertyValue("array[1].nestedIndexedBean.list[1].name", "test2");
		binder.bind(pvs);
		assertEquals("listtest1", ((TestBean) tb.getArray()[0].getNestedIndexedBean().getList().get(0)).getName());
		assertEquals("listtest2", ((TestBean) tb.getArray()[1].getNestedIndexedBean().getList().get(1)).getName());
		assertEquals("test1", binder.getBindingResult().getFieldValue("array[0].nestedIndexedBean.list[0].name"));
		assertEquals("test2", binder.getBindingResult().getFieldValue("array[1].nestedIndexedBean.list[1].name"));
	}

	public void testSpecificEditorForNestedIndexedField() {
		IndexedTestBean tb = new IndexedTestBean();
		tb.getArray()[0].setNestedIndexedBean(new IndexedTestBean());
		tb.getArray()[1].setNestedIndexedBean(new IndexedTestBean());
		DataBinder binder = new DataBinder(tb, "tb");
		binder.registerCustomEditor(String.class, "array[0].nestedIndexedBean.list.name", new PropertyEditorSupport() {
			public void setAsText(String text) throws IllegalArgumentException {
				setValue("list" + text);
			}
			public String getAsText() {
				return ((String) getValue()).substring(4);
			}
		});
		MutablePropertyValues pvs = new MutablePropertyValues();
		pvs.addPropertyValue("array[0].nestedIndexedBean.list[0].name", "test1");
		pvs.addPropertyValue("array[1].nestedIndexedBean.list[1].name", "test2");
		binder.bind(pvs);
		assertEquals("listtest1", ((TestBean) tb.getArray()[0].getNestedIndexedBean().getList().get(0)).getName());
		assertEquals("test2", ((TestBean) tb.getArray()[1].getNestedIndexedBean().getList().get(1)).getName());
		assertEquals("test1", binder.getBindingResult().getFieldValue("array[0].nestedIndexedBean.list[0].name"));
		assertEquals("test2", binder.getBindingResult().getFieldValue("array[1].nestedIndexedBean.list[1].name"));
	}

	public void testInnerSpecificEditorForNestedIndexedField() {
		IndexedTestBean tb = new IndexedTestBean();
		tb.getArray()[0].setNestedIndexedBean(new IndexedTestBean());
		tb.getArray()[1].setNestedIndexedBean(new IndexedTestBean());
		DataBinder binder = new DataBinder(tb, "tb");
		binder.registerCustomEditor(String.class, "array.nestedIndexedBean.list[0].name", new PropertyEditorSupport() {
			public void setAsText(String text) throws IllegalArgumentException {
				setValue("list" + text);
			}
			public String getAsText() {
				return ((String) getValue()).substring(4);
			}
		});
		MutablePropertyValues pvs = new MutablePropertyValues();
		pvs.addPropertyValue("array[0].nestedIndexedBean.list[0].name", "test1");
		pvs.addPropertyValue("array[1].nestedIndexedBean.list[1].name", "test2");
		binder.bind(pvs);
		assertEquals("listtest1", ((TestBean) tb.getArray()[0].getNestedIndexedBean().getList().get(0)).getName());
		assertEquals("test2", ((TestBean) tb.getArray()[1].getNestedIndexedBean().getList().get(1)).getName());
		assertEquals("test1", binder.getBindingResult().getFieldValue("array[0].nestedIndexedBean.list[0].name"));
		assertEquals("test2", binder.getBindingResult().getFieldValue("array[1].nestedIndexedBean.list[1].name"));
	}

	public void testDirectBindingToIndexedField() {
		IndexedTestBean tb = new IndexedTestBean();
		DataBinder binder = new DataBinder(tb, "tb");
		binder.registerCustomEditor(TestBean.class, "array", new PropertyEditorSupport() {
			public void setAsText(String text) throws IllegalArgumentException {
				DerivedTestBean tb = new DerivedTestBean();
				tb.setName("array" + text);
				setValue(tb);
			}
			public String getAsText() {
				return ((TestBean) getValue()).getName();
			}
		});
		MutablePropertyValues pvs = new MutablePropertyValues();
		pvs.addPropertyValue("array[0]", "a");
		binder.bind(pvs);
		Errors errors = binder.getBindingResult();
		errors.rejectValue("array[0]", "NOT_ROD", "are you sure you're not Rod?");
		errors.rejectValue("map[key1]", "NOT_ROD", "are you sure you're not Rod?");
		errors.rejectValue("map[key0]", "NOT_NULL", "should not be null");

		assertEquals("arraya", errors.getFieldValue("array[0]"));
		assertEquals(1, errors.getFieldErrorCount("array[0]"));
		assertEquals("NOT_ROD", errors.getFieldError("array[0]").getCode());
		assertEquals("NOT_ROD.tb.array[0]", errors.getFieldError("array[0]").getCodes()[0]);
		assertEquals("NOT_ROD.tb.array", errors.getFieldError("array[0]").getCodes()[1]);
		assertEquals("NOT_ROD.array[0]", errors.getFieldError("array[0]").getCodes()[2]);
		assertEquals("NOT_ROD.array", errors.getFieldError("array[0]").getCodes()[3]);
		assertEquals("NOT_ROD.org.springframework.beans.DerivedTestBean", errors.getFieldError("array[0]").getCodes()[4]);
		assertEquals("NOT_ROD", errors.getFieldError("array[0]").getCodes()[5]);
		assertEquals("arraya", errors.getFieldValue("array[0]"));

		assertEquals(1, errors.getFieldErrorCount("map[key1]"));
		assertEquals("NOT_ROD", errors.getFieldError("map[key1]").getCode());
		assertEquals("NOT_ROD.tb.map[key1]", errors.getFieldError("map[key1]").getCodes()[0]);
		assertEquals("NOT_ROD.tb.map", errors.getFieldError("map[key1]").getCodes()[1]);
		assertEquals("NOT_ROD.map[key1]", errors.getFieldError("map[key1]").getCodes()[2]);
		assertEquals("NOT_ROD.map", errors.getFieldError("map[key1]").getCodes()[3]);
		assertEquals("NOT_ROD.org.springframework.beans.TestBean", errors.getFieldError("map[key1]").getCodes()[4]);
		assertEquals("NOT_ROD", errors.getFieldError("map[key1]").getCodes()[5]);

		assertEquals(1, errors.getFieldErrorCount("map[key0]"));
		assertEquals("NOT_NULL", errors.getFieldError("map[key0]").getCode());
		assertEquals("NOT_NULL.tb.map[key0]", errors.getFieldError("map[key0]").getCodes()[0]);
		assertEquals("NOT_NULL.tb.map", errors.getFieldError("map[key0]").getCodes()[1]);
		assertEquals("NOT_NULL.map[key0]", errors.getFieldError("map[key0]").getCodes()[2]);
		assertEquals("NOT_NULL.map", errors.getFieldError("map[key0]").getCodes()[3]);
		assertEquals("NOT_NULL", errors.getFieldError("map[key0]").getCodes()[4]);
	}

	public void testDirectBindingToEmptyIndexedFieldWithRegisteredSpecificEditor() {
		IndexedTestBean tb = new IndexedTestBean();
		DataBinder binder = new DataBinder(tb, "tb");
		binder.registerCustomEditor(TestBean.class, "map[key0]", new PropertyEditorSupport() {
			public void setAsText(String text) throws IllegalArgumentException {
				DerivedTestBean tb = new DerivedTestBean();
				tb.setName("array" + text);
				setValue(tb);
			}
			public String getAsText() {
				return ((TestBean) getValue()).getName();
			}
		});
		Errors errors = binder.getBindingResult();
		errors.rejectValue("map[key0]", "NOT_NULL", "should not be null");

		assertEquals(1, errors.getFieldErrorCount("map[key0]"));
		assertEquals("NOT_NULL", errors.getFieldError("map[key0]").getCode());
		assertEquals("NOT_NULL.tb.map[key0]", errors.getFieldError("map[key0]").getCodes()[0]);
		assertEquals("NOT_NULL.tb.map", errors.getFieldError("map[key0]").getCodes()[1]);
		assertEquals("NOT_NULL.map[key0]", errors.getFieldError("map[key0]").getCodes()[2]);
		assertEquals("NOT_NULL.map", errors.getFieldError("map[key0]").getCodes()[3]);
		// This next code is only generated because of the registered editor, using the
		// registered type of the editor as guess for the content type of the collection.
		assertEquals("NOT_NULL.org.springframework.beans.TestBean", errors.getFieldError("map[key0]").getCodes()[4]);
		assertEquals("NOT_NULL", errors.getFieldError("map[key0]").getCodes()[5]);
	}

	public void testDirectBindingToEmptyIndexedFieldWithRegisteredGenericEditor() {
		IndexedTestBean tb = new IndexedTestBean();
		DataBinder binder = new DataBinder(tb, "tb");
		binder.registerCustomEditor(TestBean.class, "map", new PropertyEditorSupport() {
			public void setAsText(String text) throws IllegalArgumentException {
				DerivedTestBean tb = new DerivedTestBean();
				tb.setName("array" + text);
				setValue(tb);
			}
			public String getAsText() {
				return ((TestBean) getValue()).getName();
			}
		});
		Errors errors = binder.getBindingResult();
		errors.rejectValue("map[key0]", "NOT_NULL", "should not be null");

		assertEquals(1, errors.getFieldErrorCount("map[key0]"));
		assertEquals("NOT_NULL", errors.getFieldError("map[key0]").getCode());
		assertEquals("NOT_NULL.tb.map[key0]", errors.getFieldError("map[key0]").getCodes()[0]);
		assertEquals("NOT_NULL.tb.map", errors.getFieldError("map[key0]").getCodes()[1]);
		assertEquals("NOT_NULL.map[key0]", errors.getFieldError("map[key0]").getCodes()[2]);
		assertEquals("NOT_NULL.map", errors.getFieldError("map[key0]").getCodes()[3]);
		// This next code is only generated because of the registered editor, using the
		// registered type of the editor as guess for the content type of the collection.
		assertEquals("NOT_NULL.org.springframework.beans.TestBean", errors.getFieldError("map[key0]").getCodes()[4]);
		assertEquals("NOT_NULL", errors.getFieldError("map[key0]").getCodes()[5]);
	}

	public void testCustomEditorWithSubclass() {
		IndexedTestBean tb = new IndexedTestBean();
		DataBinder binder = new DataBinder(tb, "tb");
		binder.registerCustomEditor(TestBean.class, new PropertyEditorSupport() {
			public void setAsText(String text) throws IllegalArgumentException {
				DerivedTestBean tb = new DerivedTestBean();
				tb.setName("array" + text);
				setValue(tb);
			}
			public String getAsText() {
				return ((TestBean) getValue()).getName();
			}
		});
		MutablePropertyValues pvs = new MutablePropertyValues();
		pvs.addPropertyValue("array[0]", "a");
		binder.bind(pvs);
		Errors errors = binder.getBindingResult();
		errors.rejectValue("array[0]", "NOT_ROD", "are you sure you're not Rod?");

		assertEquals("arraya", errors.getFieldValue("array[0]"));
		assertEquals(1, errors.getFieldErrorCount("array[0]"));
		assertEquals("NOT_ROD", errors.getFieldError("array[0]").getCode());
		assertEquals("NOT_ROD.tb.array[0]", errors.getFieldError("array[0]").getCodes()[0]);
		assertEquals("NOT_ROD.tb.array", errors.getFieldError("array[0]").getCodes()[1]);
		assertEquals("NOT_ROD.array[0]", errors.getFieldError("array[0]").getCodes()[2]);
		assertEquals("NOT_ROD.array", errors.getFieldError("array[0]").getCodes()[3]);
		assertEquals("NOT_ROD.org.springframework.beans.DerivedTestBean", errors.getFieldError("array[0]").getCodes()[4]);
		assertEquals("NOT_ROD", errors.getFieldError("array[0]").getCodes()[5]);
		assertEquals("arraya", errors.getFieldValue("array[0]"));
	}

	public void testBindToStringArrayWithArrayEditor() {
		TestBean tb = new TestBean();
		DataBinder binder = new DataBinder(tb, "tb");
		binder.registerCustomEditor(String[].class, "stringArray", new PropertyEditorSupport() {
			public void setAsText(String text) throws IllegalArgumentException {
				setValue(StringUtils.delimitedListToStringArray(text, "-"));
			}
		});
		MutablePropertyValues pvs = new MutablePropertyValues();
		pvs.addPropertyValue("stringArray", "a1-b2");
		binder.bind(pvs);
		assertTrue(!binder.getBindingResult().hasErrors());
		assertEquals(2, tb.getStringArray().length);
		assertEquals("a1", tb.getStringArray()[0]);
		assertEquals("b2", tb.getStringArray()[1]);
	}

	public void testBindToStringArrayWithComponentEditor() {
		TestBean tb = new TestBean();
		DataBinder binder = new DataBinder(tb, "tb");
		binder.registerCustomEditor(String.class, "stringArray", new PropertyEditorSupport() {
			public void setAsText(String text) throws IllegalArgumentException {
				setValue("X" + text);
			}
		});
		MutablePropertyValues pvs = new MutablePropertyValues();
		pvs.addPropertyValue("stringArray", new String[] {"a1", "b2"});
		binder.bind(pvs);
		assertTrue(!binder.getBindingResult().hasErrors());
		assertEquals(2, tb.getStringArray().length);
		assertEquals("Xa1", tb.getStringArray()[0]);
		assertEquals("Xb2", tb.getStringArray()[1]);
	}

	public void testBindingErrors() {
		TestBean rod = new TestBean();
		DataBinder binder = new DataBinder(rod, "person");
		MutablePropertyValues pvs = new MutablePropertyValues();
		pvs.addPropertyValue("age", "32x");
		binder.bind(pvs);
		Errors errors = binder.getBindingResult();
		FieldError ageError = errors.getFieldError("age");
		assertEquals("typeMismatch", ageError.getCode());

		ResourceBundleMessageSource messageSource = new ResourceBundleMessageSource();
		messageSource.setBasename("org.springframework.validation.messages1");
		String msg = messageSource.getMessage(ageError, Locale.getDefault());
		assertEquals("Field age did not have correct type", msg);

		messageSource = new ResourceBundleMessageSource();
		messageSource.setBasename("org.springframework.validation.messages2");
		msg = messageSource.getMessage(ageError, Locale.getDefault());
		assertEquals("Field Age did not have correct type", msg);

		messageSource = new ResourceBundleMessageSource();
		messageSource.setBasename("org.springframework.validation.messages3");
		msg = messageSource.getMessage(ageError, Locale.getDefault());
		assertEquals("Field Person Age did not have correct type", msg);
	}

	public void testAddAllErrors() {
		TestBean rod = new TestBean();
		DataBinder binder = new DataBinder(rod, "person");
		MutablePropertyValues pvs = new MutablePropertyValues();
		pvs.addPropertyValue("age", "32x");
		binder.bind(pvs);
		Errors errors = binder.getBindingResult();

		BeanPropertyBindingResult errors2 = new BeanPropertyBindingResult(rod, "person");
		errors.rejectValue("name", "badName");
		errors.addAllErrors(errors2);

		FieldError ageError = errors.getFieldError("age");
		assertEquals("typeMismatch", ageError.getCode());
		FieldError nameError = errors.getFieldError("name");
		assertEquals("badName", nameError.getCode());
	}

	public void testBindingWithResortedList() {
		IndexedTestBean tb = new IndexedTestBean();
		DataBinder binder = new DataBinder(tb, "tb");
		MutablePropertyValues pvs = new MutablePropertyValues();
		TestBean tb1 = new TestBean("tb1", 99);
		TestBean tb2 = new TestBean("tb2", 99);
		pvs.addPropertyValue("list[0]", tb1);
		pvs.addPropertyValue("list[1]", tb2);
		binder.bind(pvs);
		assertEquals(tb1.getName(), binder.getBindingResult().getFieldValue("list[0].name"));
		assertEquals(tb2.getName(), binder.getBindingResult().getFieldValue("list[1].name"));
		tb.getList().set(0, tb2);
		tb.getList().set(1, tb1);
		assertEquals(tb2.getName(), binder.getBindingResult().getFieldValue("list[0].name"));
		assertEquals(tb1.getName(), binder.getBindingResult().getFieldValue("list[1].name"));
	}

	public void testRejectWithoutDefaultMessage() throws Exception {
		TestBean tb = new TestBean();
		tb.setName("myName");
		tb.setAge(99);

		BeanPropertyBindingResult ex = new BeanPropertyBindingResult(tb, "tb");
		ex.reject("invalid");
		ex.rejectValue("age", "invalidField");

		StaticMessageSource ms = new StaticMessageSource();
		ms.addMessage("invalid", Locale.US, "general error");
		ms.addMessage("invalidField", Locale.US, "invalid field");

		assertEquals("general error", ms.getMessage(ex.getGlobalError(), Locale.US));
		assertEquals("invalid field", ms.getMessage(ex.getFieldError("age"), Locale.US));
	}

	public void testBindExceptionSerializable() throws Exception {
		SerializablePerson tb = new SerializablePerson();
		tb.setName("myName");
		tb.setAge(99);

		BindException ex = new BindException(tb, "tb");
		ex.reject("invalid", "someMessage");
		ex.rejectValue("age", "invalidField", "someMessage");

		ByteArrayOutputStream baos = new ByteArrayOutputStream();
		ObjectOutputStream oos = new ObjectOutputStream(baos);
		oos.writeObject(ex);
		ByteArrayInputStream bais = new ByteArrayInputStream(baos.toByteArray());
		ObjectInputStream ois = new ObjectInputStream(bais);

		BindException ex2 = (BindException) ois.readObject();
		assertTrue(ex2.hasGlobalErrors());
		assertEquals("invalid", ex2.getGlobalError().getCode());
		assertTrue(ex2.hasFieldErrors("age"));
		assertEquals("invalidField", ex2.getFieldError("age").getCode());
		assertEquals(new Integer(99), ex2.getFieldValue("age"));

		ex2.rejectValue("name", "invalidField", "someMessage");
		assertTrue(ex2.hasFieldErrors("name"));
		assertEquals("invalidField", ex2.getFieldError("name").getCode());
		assertEquals("myName", ex2.getFieldValue("name"));
	}

	public void testTrackDisallowedFields() throws Exception {
		TestBean testBean = new TestBean();
		DataBinder binder = new DataBinder(testBean, "testBean");
		binder.setAllowedFields(new String[] {"name", "age"});

		String name = "Rob Harrop";
		String beanName = "foobar";

		MutablePropertyValues mpvs = new MutablePropertyValues();
		mpvs.addPropertyValue("name", name);
		mpvs.addPropertyValue("beanName", beanName);

		binder.bind(mpvs);

		assertEquals(name, testBean.getName());
		String[] disallowedFields = binder.getBindingResult().getSuppressedFields();
		assertEquals(1, disallowedFields.length);
		assertEquals("beanName", disallowedFields[0]);
	}


	private static class TestBeanValidator implements Validator {

		public boolean supports(Class clazz) {
			return TestBean.class.isAssignableFrom(clazz);
		}

		public void validate(Object obj, Errors errors) {
			TestBean tb = (TestBean) obj;
			if (tb.getAge() < 32) {
				errors.rejectValue("age", "TOO_YOUNG", "simply too young");
			}
			if (tb.getAge() % 2 == 0) {
				errors.rejectValue("age", "AGE_NOT_ODD", "your age isn't odd");
			}
			if (tb.getName() == null || !tb.getName().equals("Rod")) {
				errors.rejectValue("name", "NOT_ROD", "are you sure you're not Rod?");
			}
			if (tb.getTouchy() == null || !tb.getTouchy().equals(tb.getName())) {
				errors.reject("NAME_TOUCHY_MISMATCH", "name and touchy do not match");
			}
			if (tb.getAge() == 0) {
				errors.reject("GENERAL_ERROR", new String[] {"arg"}, "msg");
			}
		}
	}


	private static class SpouseValidator implements Validator {

		public boolean supports(Class clazz) {
			return TestBean.class.isAssignableFrom(clazz);
		}

		public void validate(Object obj, Errors errors) {
			TestBean tb = (TestBean) obj;
			if (tb == null || "XXX".equals(tb.getName())) {
				errors.rejectValue("", "SPOUSE_NOT_AVAILABLE");
				return;
			}
			if (tb.getAge() < 32) {
				errors.rejectValue("age", "TOO_YOUNG", "simply too young");
			}
		}
	}

}

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