/*
* Copyright 2002-2016 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.beans;
import java.net.MalformedURLException;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collection;
import java.util.Collections;
import java.util.HashMap;
import java.util.HashSet;
import java.util.LinkedList;
import java.util.List;
import java.util.Map;
import java.util.Properties;
import java.util.Set;
import org.junit.Test;
import org.springframework.beans.propertyeditors.CustomNumberEditor;
import org.springframework.beans.propertyeditors.StringTrimmerEditor;
import org.springframework.core.io.Resource;
import org.springframework.core.io.UrlResource;
import org.springframework.tests.sample.beans.GenericBean;
import org.springframework.tests.sample.beans.GenericIntegerBean;
import org.springframework.tests.sample.beans.GenericSetOfIntegerBean;
import org.springframework.tests.sample.beans.TestBean;
import static org.junit.Assert.*;
/**
* @author Juergen Hoeller
* @author Chris Beams
* @since 18.01.2006
*/
public class BeanWrapperGenericsTests {
@Test
public void testGenericSet() {
GenericBean<?> gb = new GenericBean<>();
BeanWrapper bw = new BeanWrapperImpl(gb);
Set<String> input = new HashSet<>();
input.add("4");
input.add("5");
bw.setPropertyValue("integerSet", input);
assertTrue(gb.getIntegerSet().contains(new Integer(4)));
assertTrue(gb.getIntegerSet().contains(new Integer(5)));
}
@Test
public void testGenericLowerBoundedSet() {
GenericBean<?> gb = new GenericBean<>();
BeanWrapper bw = new BeanWrapperImpl(gb);
bw.registerCustomEditor(Number.class, new CustomNumberEditor(Integer.class, true));
Set<String> input = new HashSet<>();
input.add("4");
input.add("5");
bw.setPropertyValue("numberSet", input);
assertTrue(gb.getNumberSet().contains(new Integer(4)));
assertTrue(gb.getNumberSet().contains(new Integer(5)));
}
@Test
public void testGenericSetWithConversionFailure() {
GenericBean<?> gb = new GenericBean<>();
BeanWrapper bw = new BeanWrapperImpl(gb);
Set<TestBean> input = new HashSet<>();
input.add(new TestBean());
try {
bw.setPropertyValue("integerSet", input);
fail("Should have thrown TypeMismatchException");
}
catch (TypeMismatchException ex) {
assertTrue(ex.getMessage().indexOf("java.lang.Integer") != -1);
}
}
@Test
public void testGenericList() throws MalformedURLException {
GenericBean<?> gb = new GenericBean<>();
BeanWrapper bw = new BeanWrapperImpl(gb);
List<String> input = new ArrayList<>();
input.add("http://localhost:8080");
input.add("http://localhost:9090");
bw.setPropertyValue("resourceList", input);
assertEquals(new UrlResource("http://localhost:8080"), gb.getResourceList().get(0));
assertEquals(new UrlResource("http://localhost:9090"), gb.getResourceList().get(1));
}
@Test
public void testGenericListElement() throws MalformedURLException {
GenericBean<?> gb = new GenericBean<>();
gb.setResourceList(new ArrayList<>());
BeanWrapper bw = new BeanWrapperImpl(gb);
bw.setPropertyValue("resourceList[0]", "http://localhost:8080");
assertEquals(new UrlResource("http://localhost:8080"), gb.getResourceList().get(0));
}
@Test
public void testGenericMap() {
GenericBean<?> gb = new GenericBean<>();
BeanWrapper bw = new BeanWrapperImpl(gb);
Map<String, String> input = new HashMap<>();
input.put("4", "5");
input.put("6", "7");
bw.setPropertyValue("shortMap", input);
assertEquals(new Integer(5), gb.getShortMap().get(new Short("4")));
assertEquals(new Integer(7), gb.getShortMap().get(new Short("6")));
}
@Test
public void testGenericMapElement() {
GenericBean<?> gb = new GenericBean<>();
gb.setShortMap(new HashMap<>());
BeanWrapper bw = new BeanWrapperImpl(gb);
bw.setPropertyValue("shortMap[4]", "5");
assertEquals(new Integer(5), bw.getPropertyValue("shortMap[4]"));
assertEquals(new Integer(5), gb.getShortMap().get(new Short("4")));
}
@Test
public void testGenericMapWithKeyType() {
GenericBean<?> gb = new GenericBean<>();
BeanWrapper bw = new BeanWrapperImpl(gb);
Map<String, String> input = new HashMap<>();
input.put("4", "5");
input.put("6", "7");
bw.setPropertyValue("longMap", input);
assertEquals("5", gb.getLongMap().get(new Long("4")));
assertEquals("7", gb.getLongMap().get(new Long("6")));
}
@Test
public void testGenericMapElementWithKeyType() {
GenericBean<?> gb = new GenericBean<>();
gb.setLongMap(new HashMap<Long, Integer>());
BeanWrapper bw = new BeanWrapperImpl(gb);
bw.setPropertyValue("longMap[4]", "5");
assertEquals("5", gb.getLongMap().get(new Long("4")));
assertEquals("5", bw.getPropertyValue("longMap[4]"));
}
@Test
public void testGenericMapWithCollectionValue() {
GenericBean<?> gb = new GenericBean<>();
BeanWrapper bw = new BeanWrapperImpl(gb);
bw.registerCustomEditor(Number.class, new CustomNumberEditor(Integer.class, false));
Map<String, Collection> input = new HashMap<>();
HashSet<Integer> value1 = new HashSet<>();
value1.add(new Integer(1));
input.put("1", value1);
ArrayList<Boolean> value2 = new ArrayList<>();
value2.add(Boolean.TRUE);
input.put("2", value2);
bw.setPropertyValue("collectionMap", input);
assertTrue(gb.getCollectionMap().get(new Integer(1)) instanceof HashSet);
assertTrue(gb.getCollectionMap().get(new Integer(2)) instanceof ArrayList);
}
@Test
public void testGenericMapElementWithCollectionValue() {
GenericBean<?> gb = new GenericBean<>();
gb.setCollectionMap(new HashMap<>());
BeanWrapper bw = new BeanWrapperImpl(gb);
bw.registerCustomEditor(Number.class, new CustomNumberEditor(Integer.class, false));
HashSet<Integer> value1 = new HashSet<>();
value1.add(new Integer(1));
bw.setPropertyValue("collectionMap[1]", value1);
assertTrue(gb.getCollectionMap().get(new Integer(1)) instanceof HashSet);
}
@Test
public void testGenericMapFromProperties() {
GenericBean<?> gb = new GenericBean<>();
BeanWrapper bw = new BeanWrapperImpl(gb);
Properties input = new Properties();
input.setProperty("4", "5");
input.setProperty("6", "7");
bw.setPropertyValue("shortMap", input);
assertEquals(new Integer(5), gb.getShortMap().get(new Short("4")));
assertEquals(new Integer(7), gb.getShortMap().get(new Short("6")));
}
@Test
public void testGenericListOfLists() throws MalformedURLException {
GenericBean<String> gb = new GenericBean<>();
List<List<Integer>> list = new LinkedList<>();
list.add(new LinkedList<>());
gb.setListOfLists(list);
BeanWrapper bw = new BeanWrapperImpl(gb);
bw.setPropertyValue("listOfLists[0][0]", new Integer(5));
assertEquals(new Integer(5), bw.getPropertyValue("listOfLists[0][0]"));
assertEquals(new Integer(5), gb.getListOfLists().get(0).get(0));
}
@Test
public void testGenericListOfListsWithElementConversion() throws MalformedURLException {
GenericBean<String> gb = new GenericBean<>();
List<List<Integer>> list = new LinkedList<>();
list.add(new LinkedList<>());
gb.setListOfLists(list);
BeanWrapper bw = new BeanWrapperImpl(gb);
bw.setPropertyValue("listOfLists[0][0]", "5");
assertEquals(new Integer(5), bw.getPropertyValue("listOfLists[0][0]"));
assertEquals(new Integer(5), gb.getListOfLists().get(0).get(0));
}
@Test
public void testGenericListOfArrays() throws MalformedURLException {
GenericBean<String> gb = new GenericBean<>();
ArrayList<String[]> list = new ArrayList<>();
list.add(new String[] {"str1", "str2"});
gb.setListOfArrays(list);
BeanWrapper bw = new BeanWrapperImpl(gb);
bw.setPropertyValue("listOfArrays[0][1]", "str3 ");
assertEquals("str3 ", bw.getPropertyValue("listOfArrays[0][1]"));
assertEquals("str3 ", gb.getListOfArrays().get(0)[1]);
}
@Test
public void testGenericListOfArraysWithElementConversion() throws MalformedURLException {
GenericBean<String> gb = new GenericBean<>();
ArrayList<String[]> list = new ArrayList<>();
list.add(new String[] {"str1", "str2"});
gb.setListOfArrays(list);
BeanWrapper bw = new BeanWrapperImpl(gb);
bw.registerCustomEditor(String.class, new StringTrimmerEditor(false));
bw.setPropertyValue("listOfArrays[0][1]", "str3 ");
assertEquals("str3", bw.getPropertyValue("listOfArrays[0][1]"));
assertEquals("str3", gb.getListOfArrays().get(0)[1]);
}
@Test
public void testGenericListOfMaps() throws MalformedURLException {
GenericBean<String> gb = new GenericBean<>();
List<Map<Integer, Long>> list = new LinkedList<>();
list.add(new HashMap<>());
gb.setListOfMaps(list);
BeanWrapper bw = new BeanWrapperImpl(gb);
bw.setPropertyValue("listOfMaps[0][10]", new Long(5));
assertEquals(new Long(5), bw.getPropertyValue("listOfMaps[0][10]"));
assertEquals(new Long(5), gb.getListOfMaps().get(0).get(10));
}
@Test
public void testGenericListOfMapsWithElementConversion() throws MalformedURLException {
GenericBean<String> gb = new GenericBean<>();
List<Map<Integer, Long>> list = new LinkedList<>();
list.add(new HashMap<>());
gb.setListOfMaps(list);
BeanWrapper bw = new BeanWrapperImpl(gb);
bw.setPropertyValue("listOfMaps[0][10]", "5");
assertEquals(new Long(5), bw.getPropertyValue("listOfMaps[0][10]"));
assertEquals(new Long(5), gb.getListOfMaps().get(0).get(10));
}
@Test
public void testGenericMapOfMaps() throws MalformedURLException {
GenericBean<String> gb = new GenericBean<>();
Map<String, Map<Integer, Long>> map = new HashMap<>();
map.put("mykey", new HashMap<>());
gb.setMapOfMaps(map);
BeanWrapper bw = new BeanWrapperImpl(gb);
bw.setPropertyValue("mapOfMaps[mykey][10]", new Long(5));
assertEquals(new Long(5), bw.getPropertyValue("mapOfMaps[mykey][10]"));
assertEquals(new Long(5), gb.getMapOfMaps().get("mykey").get(10));
}
@Test
public void testGenericMapOfMapsWithElementConversion() throws MalformedURLException {
GenericBean<String> gb = new GenericBean<>();
Map<String, Map<Integer, Long>> map = new HashMap<>();
map.put("mykey", new HashMap<>());
gb.setMapOfMaps(map);
BeanWrapper bw = new BeanWrapperImpl(gb);
bw.setPropertyValue("mapOfMaps[mykey][10]", "5");
assertEquals(new Long(5), bw.getPropertyValue("mapOfMaps[mykey][10]"));
assertEquals(new Long(5), gb.getMapOfMaps().get("mykey").get(10));
}
@Test
public void testGenericMapOfLists() throws MalformedURLException {
GenericBean<String> gb = new GenericBean<>();
Map<Integer, List<Integer>> map = new HashMap<>();
map.put(new Integer(1), new LinkedList<>());
gb.setMapOfLists(map);
BeanWrapper bw = new BeanWrapperImpl(gb);
bw.setPropertyValue("mapOfLists[1][0]", new Integer(5));
assertEquals(new Integer(5), bw.getPropertyValue("mapOfLists[1][0]"));
assertEquals(new Integer(5), gb.getMapOfLists().get(new Integer(1)).get(0));
}
@Test
public void testGenericMapOfListsWithElementConversion() throws MalformedURLException {
GenericBean<String> gb = new GenericBean<>();
Map<Integer, List<Integer>> map = new HashMap<>();
map.put(new Integer(1), new LinkedList<>());
gb.setMapOfLists(map);
BeanWrapper bw = new BeanWrapperImpl(gb);
bw.setPropertyValue("mapOfLists[1][0]", "5");
assertEquals(new Integer(5), bw.getPropertyValue("mapOfLists[1][0]"));
assertEquals(new Integer(5), gb.getMapOfLists().get(new Integer(1)).get(0));
}
@Test
public void testGenericTypeNestingMapOfInteger() throws Exception {
Map<String, String> map = new HashMap<>();
map.put("testKey", "100");
NestedGenericCollectionBean gb = new NestedGenericCollectionBean();
BeanWrapper bw = new BeanWrapperImpl(gb);
bw.setPropertyValue("mapOfInteger", map);
Object obj = gb.getMapOfInteger().get("testKey");
assertTrue(obj instanceof Integer);
}
@Test
public void testGenericTypeNestingMapOfListOfInteger() throws Exception {
Map<String, List<String>> map = new HashMap<>();
List<String> list = Arrays.asList(new String[] {"1", "2", "3"});
map.put("testKey", list);
NestedGenericCollectionBean gb = new NestedGenericCollectionBean();
BeanWrapper bw = new BeanWrapperImpl(gb);
bw.setPropertyValue("mapOfListOfInteger", map);
Object obj = gb.getMapOfListOfInteger().get("testKey").get(0);
assertTrue(obj instanceof Integer);
assertEquals(1, ((Integer) obj).intValue());
}
@Test
public void testGenericTypeNestingListOfMapOfInteger() throws Exception {
List<Map<String, String>> list = new LinkedList<>();
Map<String, String> map = new HashMap<>();
map.put("testKey", "5");
list.add(map);
NestedGenericCollectionBean gb = new NestedGenericCollectionBean();
BeanWrapper bw = new BeanWrapperImpl(gb);
bw.setPropertyValue("listOfMapOfInteger", list);
Object obj = gb.getListOfMapOfInteger().get(0).get("testKey");
assertTrue(obj instanceof Integer);
assertEquals(5, ((Integer) obj).intValue());
}
@Test
public void testGenericTypeNestingMapOfListOfListOfInteger() throws Exception {
Map<String, List<List<String>>> map = new HashMap<>();
List<String> list = Arrays.asList(new String[] {"1", "2", "3"});
map.put("testKey", Collections.singletonList(list));
NestedGenericCollectionBean gb = new NestedGenericCollectionBean();
BeanWrapper bw = new BeanWrapperImpl(gb);
bw.setPropertyValue("mapOfListOfListOfInteger", map);
Object obj = gb.getMapOfListOfListOfInteger().get("testKey").get(0).get(0);
assertTrue(obj instanceof Integer);
assertEquals(1, ((Integer) obj).intValue());
}
@Test
public void testComplexGenericMap() {
Map<List<String>, List<String>> inputMap = new HashMap<>();
List<String> inputKey = new LinkedList<>();
inputKey.add("1");
List<String> inputValue = new LinkedList<>();
inputValue.add("10");
inputMap.put(inputKey, inputValue);
ComplexMapHolder holder = new ComplexMapHolder();
BeanWrapper bw = new BeanWrapperImpl(holder);
bw.setPropertyValue("genericMap", inputMap);
assertEquals(new Integer(1), holder.getGenericMap().keySet().iterator().next().get(0));
assertEquals(new Long(10), holder.getGenericMap().values().iterator().next().get(0));
}
@Test
public void testComplexGenericMapWithCollectionConversion() {
Map<Set<String>, Set<String>> inputMap = new HashMap<>();
Set<String> inputKey = new HashSet<>();
inputKey.add("1");
Set<String> inputValue = new HashSet<>();
inputValue.add("10");
inputMap.put(inputKey, inputValue);
ComplexMapHolder holder = new ComplexMapHolder();
BeanWrapper bw = new BeanWrapperImpl(holder);
bw.setPropertyValue("genericMap", inputMap);
assertEquals(new Integer(1), holder.getGenericMap().keySet().iterator().next().get(0));
assertEquals(new Long(10), holder.getGenericMap().values().iterator().next().get(0));
}
@Test
public void testComplexGenericIndexedMapEntry() {
List<String> inputValue = new LinkedList<>();
inputValue.add("10");
ComplexMapHolder holder = new ComplexMapHolder();
BeanWrapper bw = new BeanWrapperImpl(holder);
bw.setPropertyValue("genericIndexedMap[1]", inputValue);
assertEquals(new Integer(1), holder.getGenericIndexedMap().keySet().iterator().next());
assertEquals(new Long(10), holder.getGenericIndexedMap().values().iterator().next().get(0));
}
@Test
public void testComplexGenericIndexedMapEntryWithCollectionConversion() {
Set<String> inputValue = new HashSet<>();
inputValue.add("10");
ComplexMapHolder holder = new ComplexMapHolder();
BeanWrapper bw = new BeanWrapperImpl(holder);
bw.setPropertyValue("genericIndexedMap[1]", inputValue);
assertEquals(new Integer(1), holder.getGenericIndexedMap().keySet().iterator().next());
assertEquals(new Long(10), holder.getGenericIndexedMap().values().iterator().next().get(0));
}
@Test
public void testComplexDerivedIndexedMapEntry() {
List<String> inputValue = new LinkedList<>();
inputValue.add("10");
ComplexMapHolder holder = new ComplexMapHolder();
BeanWrapper bw = new BeanWrapperImpl(holder);
bw.setPropertyValue("derivedIndexedMap[1]", inputValue);
assertEquals(new Integer(1), holder.getDerivedIndexedMap().keySet().iterator().next());
assertEquals(new Long(10), holder.getDerivedIndexedMap().values().iterator().next().get(0));
}
@Test
public void testComplexDerivedIndexedMapEntryWithCollectionConversion() {
Set<String> inputValue = new HashSet<>();
inputValue.add("10");
ComplexMapHolder holder = new ComplexMapHolder();
BeanWrapper bw = new BeanWrapperImpl(holder);
bw.setPropertyValue("derivedIndexedMap[1]", inputValue);
assertEquals(new Integer(1), holder.getDerivedIndexedMap().keySet().iterator().next());
assertEquals(new Long(10), holder.getDerivedIndexedMap().values().iterator().next().get(0));
}
@Test
public void testGenericallyTypedIntegerBean() throws Exception {
GenericIntegerBean gb = new GenericIntegerBean();
BeanWrapper bw = new BeanWrapperImpl(gb);
bw.setPropertyValue("genericProperty", "10");
bw.setPropertyValue("genericListProperty", new String[] {"20", "30"});
assertEquals(new Integer(10), gb.getGenericProperty());
assertEquals(new Integer(20), gb.getGenericListProperty().get(0));
assertEquals(new Integer(30), gb.getGenericListProperty().get(1));
}
@Test
public void testGenericallyTypedSetOfIntegerBean() throws Exception {
GenericSetOfIntegerBean gb = new GenericSetOfIntegerBean();
BeanWrapper bw = new BeanWrapperImpl(gb);
bw.setPropertyValue("genericProperty", "10");
bw.setPropertyValue("genericListProperty", new String[] {"20", "30"});
assertEquals(new Integer(10), gb.getGenericProperty().iterator().next());
assertEquals(new Integer(20), gb.getGenericListProperty().get(0).iterator().next());
assertEquals(new Integer(30), gb.getGenericListProperty().get(1).iterator().next());
}
@Test
public void testSettingGenericPropertyWithReadOnlyInterface() {
Bar bar = new Bar();
BeanWrapper bw = new BeanWrapperImpl(bar);
bw.setPropertyValue("version", "10");
assertEquals(new Double(10.0), bar.getVersion());
}
@Test
public void testSettingLongPropertyWithGenericInterface() {
Promotion bean = new Promotion();
BeanWrapper bw = new BeanWrapperImpl(bean);
bw.setPropertyValue("id", "10");
assertEquals(new Long(10), bean.getId());
}
@Test
public void testUntypedPropertyWithMapAtRuntime() {
class Holder<D> {
private final D data;
public Holder(D data) {
this.data = data;
}
public D getData() {
return this.data;
}
}
Map<String, Object> data = new HashMap<>();
data.put("x", "y");
Holder<Map<String, Object>> context = new Holder<>(data);
BeanWrapper bw = PropertyAccessorFactory.forBeanPropertyAccess(context);
assertEquals("y", bw.getPropertyValue("data['x']"));
bw.setPropertyValue("data['message']", "it works!");
assertEquals(data.get("message"), "it works!");
}
private static abstract class BaseGenericCollectionBean {
public abstract Object getMapOfInteger();
public abstract Map<String, List<Integer>> getMapOfListOfInteger();
public abstract void setMapOfListOfInteger(Map<String, List<Integer>> mapOfListOfInteger);
}
@SuppressWarnings("unused")
private static class NestedGenericCollectionBean extends BaseGenericCollectionBean {
private Map<String, Integer> mapOfInteger;
private Map<String, List<Integer>> mapOfListOfInteger;
private List<Map<String, Integer>> listOfMapOfInteger;
private Map<String, List<List<Integer>>> mapOfListOfListOfInteger;
@Override
public Map<String, Integer> getMapOfInteger() {
return mapOfInteger;
}
public void setMapOfInteger(Map<String, Integer> mapOfInteger) {
this.mapOfInteger = mapOfInteger;
}
@Override
public Map<String, List<Integer>> getMapOfListOfInteger() {
return mapOfListOfInteger;
}
@Override
public void setMapOfListOfInteger(Map<String, List<Integer>> mapOfListOfInteger) {
this.mapOfListOfInteger = mapOfListOfInteger;
}
public List<Map<String, Integer>> getListOfMapOfInteger() {
return listOfMapOfInteger;
}
public void setListOfMapOfInteger(List<Map<String, Integer>> listOfMapOfInteger) {
this.listOfMapOfInteger = listOfMapOfInteger;
}
public Map<String, List<List<Integer>>> getMapOfListOfListOfInteger() {
return mapOfListOfListOfInteger;
}
public void setMapOfListOfListOfInteger(Map<String, List<List<Integer>>> mapOfListOfListOfInteger) {
this.mapOfListOfListOfInteger = mapOfListOfListOfInteger;
}
}
@SuppressWarnings("unused")
private static class ComplexMapHolder {
private Map<List<Integer>, List<Long>> genericMap;
private Map<Integer, List<Long>> genericIndexedMap = new HashMap<>();
private DerivedMap derivedIndexedMap = new DerivedMap();
public void setGenericMap(Map<List<Integer>, List<Long>> genericMap) {
this.genericMap = genericMap;
}
public Map<List<Integer>, List<Long>> getGenericMap() {
return genericMap;
}
public void setGenericIndexedMap(Map<Integer, List<Long>> genericIndexedMap) {
this.genericIndexedMap = genericIndexedMap;
}
public Map<Integer, List<Long>> getGenericIndexedMap() {
return genericIndexedMap;
}
public void setDerivedIndexedMap(DerivedMap derivedIndexedMap) {
this.derivedIndexedMap = derivedIndexedMap;
}
public DerivedMap getDerivedIndexedMap() {
return derivedIndexedMap;
}
}
@SuppressWarnings("serial")
private static class DerivedMap extends HashMap<Integer, List<Long>> {
}
public interface Foo {
Number getVersion();
}
public class Bar implements Foo {
private double version;
@Override
public Double getVersion() {
return this.version;
}
public void setVersion(Double theDouble) {
this.version = theDouble;
}
}
public interface ObjectWithId<T extends Comparable<T>> {
T getId();
void setId(T aId);
}
public class Promotion implements ObjectWithId<Long> {
private Long id;
@Override
public Long getId() {
return id;
}
@Override
public void setId(Long aId) {
this.id = aId;
}
}
}