mapper initial commit
This commit is contained in:
Keith Donald
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package org.springframework.mapping.support;
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import static org.junit.Assert.assertEquals;
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import java.util.ArrayList;
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import java.util.HashMap;
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import java.util.List;
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import java.util.Map;
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import org.junit.Test;
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import org.springframework.core.convert.converter.Converter;
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import org.springframework.mapping.MappingException;
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public class SpelMapperTests {
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private SpelMapper mapper = new SpelMapper();
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@Test
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public void mapAutomatic() {
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Map<String, Object> source = new HashMap<String, Object>();
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source.put("name", "Keith");
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source.put("age", 31);
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Person target = new Person();
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mapper.map(source, target);
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assertEquals("Keith", target.name);
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assertEquals(31, target.age);
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}
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@Test
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public void mapExplicit() throws MappingException {
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mapper.setAutoMappingEnabled(false);
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mapper.addMapping("name");
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Map<String, Object> source = new HashMap<String, Object>();
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source.put("name", "Keith");
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source.put("age", 31);
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Person target = new Person();
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mapper.map(source, target);
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assertEquals("Keith", target.name);
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assertEquals(0, target.age);
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}
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@Test
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public void mapAutomaticWithExplictOverrides() {
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mapper.addMapping("test", "age");
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Map<String, Object> source = new HashMap<String, Object>();
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source.put("name", "Keith");
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source.put("test", "3");
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source.put("favoriteSport", "FOOTBALL");
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Person target = new Person();
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mapper.map(source, target);
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assertEquals("Keith", target.name);
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assertEquals(3, target.age);
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assertEquals(Sport.FOOTBALL, target.favoriteSport);
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}
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@Test
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public void mapSameSourceFieldToMultipleTargets() {
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mapper.addMapping("test", "name");
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mapper.addMapping("test", "favoriteSport");
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Map<String, Object> source = new HashMap<String, Object>();
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source.put("test", "FOOTBALL");
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Person target = new Person();
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mapper.map(source, target);
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assertEquals("FOOTBALL", target.name);
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assertEquals(0, target.age);
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assertEquals(Sport.FOOTBALL, target.favoriteSport);
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}
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@Test
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public void mapBean() {
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PersonDto source = new PersonDto();
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source.setFullName("Keith Donald");
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source.setAge("31");
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source.setSport("FOOTBALL");
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Person target = new Person();
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mapper.addMapping("fullName", "name");
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mapper.addMapping("sport", "favoriteSport");
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mapper.map(source, target);
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assertEquals("Keith Donald", target.name);
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assertEquals(31, target.age);
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assertEquals(Sport.FOOTBALL, target.favoriteSport);
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}
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@Test
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public void mapBeanNested() {
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PersonDto source = new PersonDto();
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source.setFullName("Keith Donald");
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source.setAge("31");
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source.setSport("FOOTBALL");
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Person target = new Person();
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mapper.addMapping("fullName", "nested.fullName");
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mapper.addMapping("age", "nested.age");
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mapper.addMapping("sport", "nested.sport");
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mapper.map(source, target);
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assertEquals("Keith Donald", target.getNested().getFullName());
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assertEquals("31", target.nested.age);
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assertEquals("FOOTBALL", target.nested.sport);
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}
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@Test
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public void mapList() {
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PersonDto source = new PersonDto();
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List<String> sports = new ArrayList<String>();
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sports.add("FOOTBALL");
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sports.add("BASKETBALL");
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source.setSports(sports);
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Person target = new Person();
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mapper.setAutoMappingEnabled(false);
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mapper.addMapping("sports", "favoriteSports");
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mapper.map(source, target);
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assertEquals(Sport.FOOTBALL, target.favoriteSports.get(0));
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assertEquals(Sport.BASKETBALL, target.favoriteSports.get(1));
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}
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@Test
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public void mapMap() {
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PersonDto source = new PersonDto();
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Map<String, String> friendRankings = new HashMap<String, String>();
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friendRankings.put("Keri", "1");
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friendRankings.put("Alf", "2");
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source.setFriendRankings(friendRankings);
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Person target = new Person();
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mapper.setAutoMappingEnabled(false);
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mapper.addMapping("friendRankings", "friendRankings");
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mapper.getConverterRegistry().addConverter(new Converter<String, Person>() {
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public Person convert(String source) {
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return new Person(source);
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}
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});
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mapper.map(source, target);
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assertEquals(new Integer(1), target.friendRankings.get(new Person("Keri")));
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assertEquals(new Integer(2), target.friendRankings.get(new Person("Alf")));
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}
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@Test
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public void mapFieldConverter() {
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Map<String, Object> source = new HashMap<String, Object>();
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source.put("name", "Keith Donald");
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source.put("age", 31);
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Person target = new Person();
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mapper.addMapping("name").setConverter(new Converter<String, String>() {
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public String convert(String source) {
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String[] names = source.split(" ");
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return names[0] + " P. " + names[1];
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}
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});
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mapper.map(source, target);
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assertEquals("Keith P. Donald", target.name);
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assertEquals(31, target.age);
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}
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@Test
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public void mapFailure() {
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Map<String, Object> source = new HashMap<String, Object>();
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source.put("name", "Keith");
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source.put("age", "bogus");
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Person target = new Person();
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try {
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mapper.map(source, target);
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} catch (MappingException e) {
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assertEquals(1, e.getMappingFailureCount());
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}
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}
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public static class PersonDto {
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private String fullName;
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private String age;
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private String sport;
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private List<String> sports;
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private Map<String, String> friendRankings;
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private NestedDto nestedDto;
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public String getFullName() {
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return fullName;
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}
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public void setFullName(String fullName) {
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this.fullName = fullName;
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}
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public String getAge() {
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return age;
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}
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public void setAge(String age) {
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this.age = age;
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}
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public String getSport() {
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return sport;
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}
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public void setSport(String sport) {
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this.sport = sport;
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}
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public List<String> getSports() {
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return sports;
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}
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public void setSports(List<String> sports) {
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this.sports = sports;
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}
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public Map<String, String> getFriendRankings() {
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return friendRankings;
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}
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public void setFriendRankings(Map<String, String> friendRankings) {
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this.friendRankings = friendRankings;
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}
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public NestedDto getNestedDto() {
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return nestedDto;
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}
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public void setNestedDto(NestedDto nestedDto) {
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this.nestedDto = nestedDto;
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}
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}
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public static class NestedDto {
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private String foo;
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public String getFoo() {
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return foo;
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}
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}
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public static class Person {
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private String name;
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private int age;
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private Sport favoriteSport;
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private PersonDto nested;
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// private Person cyclic;
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private List<Sport> favoriteSports;
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private Map<Person, Integer> friendRankings;
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public Person() {
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}
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public Person(String name) {
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this.name = name;
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}
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public String getName() {
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return name;
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}
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public void setName(String name) {
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this.name = name;
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}
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public int getAge() {
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return age;
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}
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public void setAge(int age) {
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this.age = age;
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}
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public Sport getFavoriteSport() {
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return favoriteSport;
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}
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public void setFavoriteSport(Sport favoriteSport) {
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this.favoriteSport = favoriteSport;
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}
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public PersonDto getNested() {
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return nested;
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}
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public void setNested(PersonDto nested) {
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this.nested = nested;
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}
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/*
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public Person getCyclic() {
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return cyclic;
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}
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public void setCyclic(Person cyclic) {
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this.cyclic = cyclic;
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}
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*/
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public List<Sport> getFavoriteSports() {
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return favoriteSports;
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}
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public void setFavoriteSports(List<Sport> favoriteSports) {
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this.favoriteSports = favoriteSports;
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}
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public Map<Person, Integer> getFriendRankings() {
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return friendRankings;
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}
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public void setFriendRankings(Map<Person, Integer> friendRankings) {
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this.friendRankings = friendRankings;
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}
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public int hashCode() {
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return name.hashCode();
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}
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public boolean equals(Object o) {
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if (!(o instanceof Person)) {
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return false;
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}
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Person p = (Person) o;
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return name.equals(p.name);
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}
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}
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public enum Sport {
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FOOTBALL, BASKETBALL
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}
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}
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