/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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.apache.wicket.util.lang;
import java.lang.reflect.Field;
import java.lang.reflect.Method;
import java.util.ArrayList;
import java.util.Calendar;
import java.util.Date;
import java.util.HashMap;
import java.util.List;
import java.util.Locale;
import java.util.Map;
import java.util.Vector;
import org.apache.wicket.ConverterLocator;
import org.apache.wicket.IConverterLocator;
import org.apache.wicket.WicketRuntimeException;
import org.apache.wicket.core.util.lang.PropertyResolver;
import org.apache.wicket.core.util.lang.PropertyResolver.AbstractGetAndSet;
import org.apache.wicket.core.util.lang.PropertyResolver.CachingPropertyLocator;
import org.apache.wicket.core.util.lang.PropertyResolver.DefaultPropertyLocator;
import org.apache.wicket.core.util.lang.PropertyResolver.IGetAndSet;
import org.apache.wicket.core.util.lang.PropertyResolver.IPropertyLocator;
import org.apache.wicket.core.util.lang.PropertyResolverConverter;
import org.apache.wicket.util.convert.ConversionException;
import org.apache.wicket.util.convert.IConverter;
import org.apache.wicket.util.convert.converter.AbstractConverter;
import org.apache.wicket.util.tester.WicketTestCase;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;
/**
* @author jcompagner
*
*/
public class PropertyResolverTest extends WicketTestCase
{
private static final PropertyResolverConverter CONVERTER = new PropertyResolverConverter(
new ConverterLocator(), Locale.US);
private Person person;
/**
* @throws Exception
*/
@Before
public void before()
{
person = new Person();
}
/**
* @throws Exception
*/
@After
public void after()
{
PropertyResolver.destroy(tester.getApplication());
}
/**
* @throws Exception
*/
@Test
public void simpleExpression() throws Exception
{
String name = (String) PropertyResolver.getValue("name", person);
assertNull(name);
PropertyResolver.setValue("name", person, "wicket", CONVERTER);
name = (String)PropertyResolver.getValue("name", person);
assertEquals(name, "wicket");
}
/**
* @throws Exception
*/
@Test(expected = ConversionException.class)
public void primitiveValue() throws Exception
{
Integer integer = (Integer)PropertyResolver.getValue("age", person);
assertTrue(integer == 0);
PropertyResolver.setValue("age", person, 10, CONVERTER);
integer = (Integer)PropertyResolver.getValue("age", person);
assertTrue(integer == 10);
PropertyResolver.setValue("age", person, null, CONVERTER);
fail("primitive type can't be set to null");
}
/**
* @throws Exception
*/
@Test
public void pathExpression() throws Exception
{
person.setAddress(new Address());
PropertyResolver.setValue("address.street", person, "wicket-street", CONVERTER);
String street = (String)PropertyResolver.getValue("address.street", person);
assertEquals(street, "wicket-street");
}
/**
* @throws Exception
*/
@Test
public void testNull() throws Exception
{
String street = (String)PropertyResolver.getValue("address.street", person);
assertNull(street);
}
/**
* @throws Exception
*/
@Test
public void nullCreation() throws Exception
{
PropertyResolver.setValue("address.street", person, "wicket-street", CONVERTER);
String street = (String)PropertyResolver.getValue("address.street", person);
assertEquals(street, "wicket-street");
try
{
PropertyResolver.setValue("country.name", person, "US", CONVERTER);
fail("name can't be set on a country that doesn't have default constructor");
}
catch (WicketRuntimeException ex)
{
}
}
/**
* @throws Exception
*/
@Test
public void getterOnly() throws Exception
{
PropertyResolver.setValue("country", person, new Country("US"), CONVERTER);
PropertyResolver.getValue("country.name", person);
try
{
PropertyResolver.setValue("country.name", person, "NL", CONVERTER);
}
catch (WicketRuntimeException ex)
{
}
}
/**
* @throws Exception
*/
@Test
public void pathExpressionWithConversion() throws Exception
{
person.setAddress(new Address());
PropertyResolver.setValue("address.number", person, "10", CONVERTER);
Integer number = (Integer)PropertyResolver.getValue("address.number", person);
assertEquals(number, new Integer(10));
try
{
PropertyResolver.setValue("address.number", person, "10a", CONVERTER);
throw new Exception("Conversion error should be thrown");
}
catch (ConversionException ex)
{
}
}
/**
* @throws Exception
*/
@Test
public void mapLookup() throws Exception
{
Address address = new Address();
PropertyResolver.setValue("addressMap", person, new HashMap<String, Address>(), CONVERTER);
PropertyResolver.setValue("addressMap.address", person, address, CONVERTER);
PropertyResolver.setValue("addressMap.address.street", person, "wicket-street", CONVERTER);
String street = (String)PropertyResolver.getValue("addressMap.address.street", person);
assertEquals(street, "wicket-street");
}
/**
* @throws Exception
*/
@Test
public void mapWithDotLookup() throws Exception
{
Address address = new Address();
HashMap<String, Address> hm = new HashMap<String, Address>();
PropertyResolver.setValue("addressMap", person, hm, CONVERTER);
PropertyResolver.setValue("addressMap[address.test]", person, address, CONVERTER);
assertNotNull(hm.get("address.test"));
PropertyResolver.setValue("addressMap[address.test].street", person, "wicket-street",
CONVERTER);
String street = (String)PropertyResolver.getValue("addressMap[address.test].street", person);
assertEquals(street, "wicket-street");
}
/**
* @throws Exception
*/
@Test
public void listLookup() throws Exception
{
PropertyResolver.setValue("addressList", person, new ArrayList<Address>(), CONVERTER);
PropertyResolver.setValue("addressList.0", person, new Address(), CONVERTER);
PropertyResolver.setValue("addressList.10", person, new Address(), CONVERTER);
PropertyResolver.setValue("addressList.1", person, new Address(), CONVERTER);
PropertyResolver.setValue("addressList.1.street", person, "wicket-street", CONVERTER);
String street = (String)PropertyResolver.getValue("addressList.0.street", person);
assertNull(street);
street = (String)PropertyResolver.getValue("addressList.1.street", person);
assertEquals(street, "wicket-street");
}
/**
* @throws Exception
*/
@Test
public void arrayLookup() throws Exception
{
PropertyResolver.setValue("addressArray", person, new Address[] { new Address(), null },
CONVERTER);
PropertyResolver.setValue("addressArray.0.street", person, "wicket-street", CONVERTER);
String street = (String)PropertyResolver.getValue("addressArray.0.street", person);
assertEquals(street, "wicket-street");
PropertyResolver.setValue("addressArray.1.street", person, "wicket-street", CONVERTER);
street = (String)PropertyResolver.getValue("addressArray.1.street", person);
assertEquals(street, "wicket-street");
}
/**
* @throws Exception
*/
@Test
public void arrayLookupByBrackets() throws Exception
{
PropertyResolver.setValue("addressArray", person, new Address[] { new Address(), null },
CONVERTER);
PropertyResolver.setValue("addressArray[0].street", person, "wicket-street", CONVERTER);
String street = (String)PropertyResolver.getValue("addressArray[0].street", person);
assertEquals(street, "wicket-street");
PropertyResolver.setValue("addressArray[1].street", person, "wicket-street", CONVERTER);
street = (String)PropertyResolver.getValue("addressArray[1].street", person);
assertEquals(street, "wicket-street");
}
/**
* @throws Exception
*/
@Test
public void propertyByIndexLookup() throws Exception
{
PropertyResolver.setValue("addressAt.0", person, new Address(), CONVERTER);
PropertyResolver.setValue("addressAt.0.street", person, "wicket-street", CONVERTER);
String street = (String)PropertyResolver.getValue("addressAt.0.street", person);
assertEquals(street, "wicket-street");
}
/**
* @throws Exception
*/
@Test
public void getPropertyByNotExistingIndexArrayLookup() throws Exception
{
PropertyResolver.setValue("addressArray", person, new Address[] { }, CONVERTER);
String street = (String)PropertyResolver.getValue("addressArray.0.street", person);
assertNull(street);
street = (String)PropertyResolver.getValue("addressArray[0].street", person);
assertNull(street);
}
/**
* @throws Exception
*/
@Test
public void getPropertyByNotExistingIndexListLookup() throws Exception
{
PropertyResolver.setValue("addressList", person, new ArrayList<Address>(), CONVERTER);
String street = (String)PropertyResolver.getValue("addressList.0.street", person);
assertNull(street);
street = (String)PropertyResolver.getValue("addressList[0].street", person);
assertNull(street);
}
/**
* @throws Exception
*/
@Test
public void getIndexPropertyDirectly() throws Exception
{
Address address = new Address();
Address[] addresses = new Address[] { address };
Address address2 = (Address)PropertyResolver.getValue("[0]", addresses);
assertSame(address, address2);
}
/**
* @throws Exception
*/
@Test
public void listSizeLookup() throws Exception
{
List<Address> addresses = new ArrayList<Address>();
addresses.add(new Address());
addresses.add(new Address());
person.setAddressList(addresses);
Object size = PropertyResolver.getValue("addressList.size", person);
assertEquals(size, 2);
size = PropertyResolver.getValue("addressList.size()", person);
assertEquals(size, 2);
}
/**
* @throws Exception
*/
@Test
public void mapSizeLookup() throws Exception
{
Map<String, Address> addresses = new HashMap<String, Address>();
Address address = new Address();
addresses.put("size", address);
addresses.put("test", new Address());
person.setAddressMap(addresses);
Object addressFromMap = PropertyResolver.getValue("addressMap.size", person);
assertEquals(addressFromMap, address);
Object size = PropertyResolver.getValue("addressMap.size()", person);
assertEquals(size, 2);
}
/**
* @throws Exception
*/
@Test
public void arraySizeLookup() throws Exception
{
person.setAddressArray(new Address[] { new Address(), new Address() });
Object size = PropertyResolver.getValue("addressArray.length", person);
assertEquals(size, 2);
size = PropertyResolver.getValue("addressArray.size", person);
assertEquals(size, 2);
}
/**
* @throws Exception
*/
@Test
public void methodLookup() throws Exception
{
Address[] addresses = new Address[] { new Address(), new Address() };
person.setAddressArray(addresses);
Object value = PropertyResolver.getValue("getAddressArray()", person);
assertEquals(value, addresses);
}
/**
* @throws Exception
*/
@Test
public void field() throws Exception
{
Address address = new Address();
PropertyResolver.setValue("address2", person, address, CONVERTER);
Address address2 = (Address)PropertyResolver.getValue("address2", person);
assertEquals(address, address2);
try
{
PropertyResolver.setValue("address3", person, address, CONVERTER);
fail("Shoudln't come here");
}
catch (RuntimeException ex)
{
}
}
/**
* @throws Exception
*/
@Test
public void testPrivateField() throws Exception
{
Address address = new Address();
PropertyResolver.setValue("privateAddress", person, address, CONVERTER);
Address address2 = (Address)PropertyResolver.getValue("privateAddress", person);
assertEquals(address, address2);
}
/**
* @throws Exception
*/
@Test
public void privateFieldOfSuperClass() throws Exception
{
Person2 person2 = new Person2();
Address address = new Address();
PropertyResolver.setValue("privateAddress", person2, address, CONVERTER);
Address address2 = (Address)PropertyResolver.getValue("privateAddress", person2);
assertEquals(address, address2);
}
/**
*
*/
@Test
public void getTargetClass()
{
Address address = new Address();
Class<?> clazz = PropertyResolver.getPropertyClass("number", address);
assertEquals(int.class, clazz);
Person person = new Person();
person.setAddress(new Address());
clazz = PropertyResolver.getPropertyClass("address.number", person);
assertEquals(int.class, clazz);
person.setAddressArray(new Address[] { new Address(), new Address() });
clazz = PropertyResolver.getPropertyClass("addressArray[0]", person);
assertEquals(Address.class, clazz);
clazz = PropertyResolver.getPropertyClass("addressArray[0].number", person);
assertEquals(int.class, clazz);
}
/**
*
*/
@Test
public void getTargetField()
{
Address address = new Address();
Field field = PropertyResolver.getPropertyField("number", address);
assertEquals(field.getName(), "number");
assertEquals(field.getType(), int.class);
Person person = new Person();
person.setAddress(new Address());
field = PropertyResolver.getPropertyField("address.number", person);
assertEquals(field.getName(), "number");
assertEquals(field.getType(), int.class);
person.setAddressArray(new Address[] { new Address(), new Address() });
field = PropertyResolver.getPropertyField("addressArray[0].number", person);
assertEquals(field.getName(), "number");
assertEquals(field.getType(), int.class);
}
/**
*
*/
@Test
public void getTargetGetter()
{
Address address = new Address();
Method method = PropertyResolver.getPropertyGetter("number", address);
assertEquals(method.getName(), "getNumber");
assertEquals(method.getReturnType(), int.class);
Person person = new Person();
person.setAddress(new Address());
method = PropertyResolver.getPropertyGetter("address.number", person);
assertEquals(method.getName(), "getNumber");
assertEquals(method.getReturnType(), int.class);
person.setAddressArray(new Address[] { new Address(), new Address() });
method = PropertyResolver.getPropertyGetter("addressArray[0].number", person);
assertEquals(method.getName(), "getNumber");
assertEquals(method.getReturnType(), int.class);
}
/**
* @throws Exception
*/
@Test
public void onlyPrimitiveGetter() throws Exception
{
Person person = new Person();
PropertyResolver.setValue("onlyGetterPrimitive", person, 1, CONVERTER);
assertEquals(person.getOnlyGetterPrimitive(), 1);
assertEquals(PropertyResolver.getValue("onlyGetterPrimitive", person), 1);
}
/**
* @throws Exception
*/
@Test
public void onlyStringGetter() throws Exception
{
Person person = new Person();
PropertyResolver.setValue("onlyGetterString", person, "onlygetter", CONVERTER);
assertEquals(person.getOnlyGetterString(), "onlygetter");
assertEquals(PropertyResolver.getValue("onlyGetterString", person), "onlygetter");
}
/**
*
*/
@Test
public void getTargetSetter()
{
Address address = new Address();
Method method = PropertyResolver.getPropertySetter("number", address);
assertEquals(method.getName(), "setNumber");
Person person = new Person();
person.setAddress(new Address());
method = PropertyResolver.getPropertySetter("address.number", person);
assertEquals(method.getName(), "setNumber");
person.setAddressArray(new Address[] { new Address(), new Address() });
method = PropertyResolver.getPropertySetter("addressArray[0].number", person);
assertEquals(method.getName(), "setNumber");
}
/**
* @throws Exception
*/
@Test
public void overriddenGetter() throws Exception
{
Person2 person = new Person2();
person.setName("foo");
String name = (String)PropertyResolver.getValue("name", person);
assertEquals("foo", name);
PropertyResolver.setValue("name", person, "bar", CONVERTER);
name = (String)PropertyResolver.getValue("name", person);
assertEquals("bar", name);
}
/**
* @throws Exception
*/
@Test
public void propertyClassWithSubType() throws Exception
{
Person person = new Person();
assertEquals(String.class, PropertyResolver.getPropertyClass("country.name", person));
try
{
PropertyResolver.getPropertyClass("country.subCountry.name", person);
fail("country.subCountry shouldnt be found");
}
catch (Exception e)
{
}
person.setCountry(new Country2("test", new Country("test")));
PropertyResolver.getPropertyClass("country.subCountry.name", person);
}
/**
* Used for models in testing.
*/
private static class InnerVectorPOJO extends Vector<Void>
{
private static final long serialVersionUID = 1L;
/**
*/
@SuppressWarnings("unused")
public String testValue = "vector";
}
/**
* Tests the PropertyModel with vector.
*/
@Test
public void propertyModel()
{
String value = (String)PropertyResolver.getValue("testValue", new InnerVectorPOJO());
assertEquals("vector", value);
}
/**
*
*/
@Test
public void directFieldSetWithDifferentTypeThanGetter()
{
final DirectFieldSetWithDifferentTypeThanGetter obj = new DirectFieldSetWithDifferentTypeThanGetter();
PropertyResolver.setValue("value", obj, 1, null);
assertEquals(1, obj.value);
}
private static class DirectFieldSetWithDifferentTypeThanGetter
{
private int value;
@SuppressWarnings("unused")
public String getValue()
{
return String.valueOf(value);
}
}
/**
* @see <a href="https://issues.apache.org/jira/browse/WICKET-1802">WICKET-1802</a>
*/
@Test
public void conversionExceptionMessageContainsTheObjectPropertyBeingSet()
{
try
{
PropertyResolverConverter convertToNull = new PropertyResolverConverter(null, null)
{
private static final long serialVersionUID = 1L;
@Override
public <T> T convert(Object object, java.lang.Class<T> clz)
{
return null;
}
};
PropertyResolver.setValue("name", person, "", convertToNull);
fail("Should have thrown an ConversionException");
}
catch (ConversionException e)
{
assertTrue(e.getMessage().toLowerCase().contains("name"));
}
}
/**
* WICKET-3441
*/
@Test
public void dateToStringConverting()
{
IConverterLocator converterLocator = new ConverterLocator();
Locale locale = Locale.GERMAN;
PropertyResolverConverter converter = new PropertyResolverConverter(converterLocator,
locale);
Calendar calDate = Calendar.getInstance();
calDate.clear();
calDate.set(2011, Calendar.APRIL, 17);
Date date = calDate.getTime();
Object actual = converter.convert(date, String.class);
String expected = converterLocator.getConverter(Date.class).convertToString(date, locale);
assertEquals(expected, actual);
}
/**
* WICKET-3441
*/
@Test
public void dateToLongConverting()
{
ConverterLocator converterLocator = new ConverterLocator();
final IConverter<Date> dateConverter = converterLocator.get(Date.class);
IConverter<Long> customLongConverter = new AbstractConverter<Long>()
{
private static final long serialVersionUID = 1L;
@Override
public Long convertToObject(String value, Locale locale)
{
Date date = dateConverter.convertToObject(value, locale);
return date != null ? date.getTime() : null;
}
@Override
public String convertToString(Long value, Locale locale)
{
Date date;
if (value != null)
{
date = new Date();
date.setTime(value);
}
else
{
date = null;
}
return dateConverter.convertToString(date, locale);
}
@Override
protected Class<Long> getTargetType()
{
return Long.class;
}
};
converterLocator.set(Long.class, customLongConverter);
converterLocator.set(Long.TYPE, customLongConverter);
PropertyResolverConverter converter = new PropertyResolverConverter(converterLocator,
Locale.ENGLISH);
Calendar calDate = Calendar.getInstance();
calDate.clear();
calDate.set(2011, Calendar.APRIL, 17);
Date date = calDate.getTime();
Object actual = converter.convert(date, Long.class);
assertEquals(date.getTime(), actual);
}
/**
* WICKET-5623 custom properties
*/
@Test
public void custom() {
Document document = new Document();
document.setType("type");
document.setProperty("string", "string");
Document nestedCustom = new Document();
nestedCustom.setProperty("string", "string2");
document.setProperty("nested", nestedCustom);
PropertyResolver.setLocator(tester.getApplication(), new CachingPropertyLocator(new CustomGetAndSetLocator()));
assertEquals("type", PropertyResolver.getValue("type", document));
assertEquals("string", PropertyResolver.getValue("string", document));
assertEquals("string2", PropertyResolver.getValue("nested.string", document));
}
class CustomGetAndSetLocator implements IPropertyLocator {
private IPropertyLocator locator = new DefaultPropertyLocator();
@Override
public IGetAndSet get(Class<?> clz, String exp) {
// first try default properties
IGetAndSet getAndSet = locator.get(clz, exp);
if (getAndSet == null && Document.class.isAssignableFrom(clz)) {
// fall back to document properties
getAndSet = new DocumentPropertyGetAndSet(exp);
}
return getAndSet;
}
public class DocumentPropertyGetAndSet extends AbstractGetAndSet {
private String name;
public DocumentPropertyGetAndSet(String name) {
this.name = name;
}
@Override
public Object getValue(Object object) {
return ((Document) object).getProperty(name);
}
@Override
public Object newValue(Object object) {
return new Document();
}
@Override
public void setValue(Object object, Object value, PropertyResolverConverter converter) {
((Document) object).setProperty(name, value);
}
}
}
}