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#337 refining reverse mappings for ignore and nestedproperties, remove check on reverse

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sjaakd 2014-11-10 17:40:16 +01:00 committed by Gunnar Morling
parent 5f05999260
commit 0237aba013
12 changed files with 196 additions and 45 deletions
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4
processor/src/main/java/org/mapstruct/ap/model/EnumMappingMethod.java
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@ -109,10 +109,6 @@ public class EnumMappingMethod extends MappingMethod {
for ( List<Mapping> mappedConstants : method.getMappings().values() ) {
for ( Mapping mappedConstant : mappedConstants ) {
// only report errors if this mapping is not inherited
if ( mappedConstant.isInheritedFromInverseMethod() ) {
continue;
}
if ( mappedConstant.getSourceName() == null ) {
ctx.getMessager().printMessage(

59
processor/src/main/java/org/mapstruct/ap/model/source/Mapping.java
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@ -38,6 +38,7 @@ import javax.tools.Diagnostic.Kind;
import org.mapstruct.ap.model.common.TypeFactory;
import org.mapstruct.ap.prism.MappingPrism;
import org.mapstruct.ap.prism.MappingsPrism;
import org.mapstruct.ap.util.Executables;
/**
* Represents a property mapping as configured via {@code @Mapping}.
@ -55,7 +56,6 @@ public class Mapping {
private final String dateFormat;
private final List<TypeMirror> qualifiers;
private final boolean isIgnored;
private final boolean isInheritedFromInverseMethod;
private final AnnotationMirror mirror;
private final AnnotationValue sourceAnnotationValue;
@ -148,7 +148,6 @@ public class Mapping {
dateFormat,
mappingPrism.qualifiedBy(),
mappingPrism.ignore(),
false,
mappingPrism.mirror,
mappingPrism.values.source(),
mappingPrism.values.target()
@ -176,10 +175,9 @@ public class Mapping {
return javaExpressionMatcher.group( 1 ).trim();
}
//CHECKSTYLE:OFF
private Mapping(String sourceName, String constant, String javaExpression, String targetName,
String dateFormat, List<TypeMirror> qualifiers,
boolean isIgnored, boolean isInheritedFromInverseMethod, AnnotationMirror mirror,
boolean isIgnored, AnnotationMirror mirror,
AnnotationValue sourceAnnotationValue, AnnotationValue targetAnnotationValue) {
this.sourceName = sourceName;
this.constant = constant;
@ -188,12 +186,10 @@ public class Mapping {
this.dateFormat = dateFormat;
this.qualifiers = qualifiers;
this.isIgnored = isIgnored;
this.isInheritedFromInverseMethod = isInheritedFromInverseMethod;
this.mirror = mirror;
this.sourceAnnotationValue = sourceAnnotationValue;
this.targetAnnotationValue = targetAnnotationValue;
}
//CHECKSTYLE:ON
public void init(SourceMethod method, Messager messager, TypeFactory typeFactory) {
@ -241,13 +237,6 @@ public class Mapping {
return isIgnored;
}
/**
* Whether this mapping originates from the inverse mapping method.
*/
public boolean isInheritedFromInverseMethod() {
return isInheritedFromInverseMethod;
}
public AnnotationMirror getMirror() {
return mirror;
}
@ -264,13 +253,54 @@ public class Mapping {
return sourceReference;
}
private boolean hasPropertyInReverseMethod( String name, SourceMethod method ) {
boolean match = false;
for ( ExecutableElement getter : method.getResultType().getGetters() ) {
if ( Executables.getPropertyName( getter ).equals( name ) ) {
match = true;
break;
}
}
for ( ExecutableElement getter : method.getResultType().getAlternativeTargetAccessors() ) {
if ( Executables.getPropertyName( getter ).equals( name ) ) {
match = true;
break;
}
}
return match;
}
public Mapping reverse(SourceMethod method, Messager messager, TypeFactory typeFactory) {
// mapping can only be reversed if the source was not a constant nor an expression
// mapping can only be reversed if the source was not a constant nor an expression nor a nested property
if ( constant != null || javaExpression != null ) {
return null;
}
// should only ignore a property when 1) there is a sourceName defined or 2) there's a name match
if ( isIgnored ) {
if ( sourceName == null && !hasPropertyInReverseMethod( targetName, method ) ) {
return null;
}
}
// should not reverse a nested property
if (sourceReference != null && sourceReference.getPropertyEntries().size() > 1 ) {
return null;
}
// should generate error when parameter
if (sourceReference != null && sourceReference.getPropertyEntries().isEmpty() ) {
// parameter mapping only, apparantly the @InheritReverseConfiguration is intentional
// but erroneous. Lets raise an error to warn.
messager.printMessage(
Diagnostic.Kind.ERROR,
String.format( "Parameter %s cannot be reversed", sourceReference.getParameter() ),
method.getExecutable()
);
return null;
}
Mapping reverse = new Mapping(
sourceName != null ? targetName : null,
null, // constant
@ -279,7 +309,6 @@ public class Mapping {
dateFormat,
qualifiers,
isIgnored,
true,
mirror,
sourceAnnotationValue,
targetAnnotationValue

4
processor/src/main/java/org/mapstruct/ap/model/source/SourceMethod.java
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@ -60,7 +60,6 @@ public class SourceMethod implements Method {
private IterableMapping iterableMapping;
private MapMapping mapMapping;
private boolean configuredByReverseMappingMethod = false;
public static SourceMethod forMethodRequiringImplementation(ExecutableElement executable,
List<Parameter> parameters,
@ -240,7 +239,6 @@ public class SourceMethod implements Method {
public void setMappings(Map<String, List<Mapping>> mappings) {
this.mappings = mappings;
this.configuredByReverseMappingMethod = true;
}
public IterableMapping getIterableMapping() {
@ -249,7 +247,6 @@ public class SourceMethod implements Method {
public void setIterableMapping(IterableMapping iterableMapping) {
this.iterableMapping = iterableMapping;
this.configuredByReverseMappingMethod = true;
}
public MapMapping getMapMapping() {
@ -258,7 +255,6 @@ public class SourceMethod implements Method {
public void setMapMapping(MapMapping mapMapping) {
this.mapMapping = mapMapping;
this.configuredByReverseMappingMethod = true;
}
public boolean reverses(SourceMethod method) {

13
processor/src/test/java/org/mapstruct/ap/test/ignore/Animal.java
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@ -23,14 +23,16 @@ public class Animal {
private String name;
private int size;
private Integer age;
private String colour;
public Animal() {
}
public Animal(String name, int size, Integer age) {
public Animal(String name, int size, Integer age, String colour) {
this.name = name;
this.size = size;
this.age = age;
this.colour = colour;
}
public String getName() {
@ -56,4 +58,13 @@ public class Animal {
public void setAge(Integer age) {
this.age = age;
}
public String getColour() {
return colour;
}
public void setColour( String colour ) {
this.colour = colour;
}
}

13
processor/src/test/java/org/mapstruct/ap/test/ignore/AnimalDto.java
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@ -23,15 +23,17 @@ public class AnimalDto {
private String name;
private Integer size;
private Integer age;
private String color;
public AnimalDto() {
}
public AnimalDto(String name, Integer size, Integer age) {
public AnimalDto(String name, Integer size, Integer age, String color) {
this.name = name;
this.size = size;
this.age = age;
this.color = color;
}
public String getName() {
@ -57,4 +59,13 @@ public class AnimalDto {
public void setAge(Integer age) {
this.age = age;
}
public String getColor() {
return color;
}
public void setColor( String color ) {
this.color = color;
}
}

6
processor/src/test/java/org/mapstruct/ap/test/ignore/AnimalMapper.java
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@ -21,6 +21,7 @@ package org.mapstruct.ap.test.ignore;
import org.mapstruct.InheritInverseConfiguration;
import org.mapstruct.Mapper;
import org.mapstruct.Mapping;
import org.mapstruct.Mappings;
import org.mapstruct.factory.Mappers;
@Mapper
@ -28,7 +29,10 @@ public interface AnimalMapper {
AnimalMapper INSTANCE = Mappers.getMapper( AnimalMapper.class );
@Mapping(target = "age", ignore = true)
@Mappings({
@Mapping(target = "age", ignore = true),
@Mapping(target = "color", source = "colour", ignore = true)
})
AnimalDto animalToDto(Animal animal);
@InheritInverseConfiguration

24
processor/src/test/java/org/mapstruct/ap/test/ignore/IgnorePropertyTest.java
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@ -38,22 +38,40 @@ public class IgnorePropertyTest {
@Test
@IssueKey("72")
public void shouldNotPropagateIgnoredPropertyGivenViaTargetAttribute() {
Animal animal = new Animal( "Bruno", 100, 23 );
Animal animal = new Animal( "Bruno", 100, 23, "black" );
AnimalDto animalDto = AnimalMapper.INSTANCE.animalToDto( animal );
assertThat( animalDto ).isNotNull();
assertThat( animalDto.getName() ).isEqualTo( "Bruno" );
assertThat( animalDto.getSize() ).isEqualTo( 100 );
assertThat( animalDto.getAge() ).isNull();
assertThat( animalDto.getColor() ).isNull();
}
@Test
@IssueKey("72")
public void shouldNotPropagateIgnoredPropertyInReverseMapping() {
AnimalDto animalDto = new AnimalDto( "Bruno", 100, 23 );
public void shouldNotPropagateIgnoredPropertyInReverseMappingWhenNameIsSame() {
AnimalDto animalDto = new AnimalDto( "Bruno", 100, 23, "black" );
Animal animal = AnimalMapper.INSTANCE.animalDtoToAnimal( animalDto );
assertThat( animal ).isNotNull();
assertThat( animalDto.getName() ).isEqualTo( "Bruno" );
assertThat( animalDto.getSize() ).isEqualTo( 100 );
assertThat( animal.getAge() ).isNull();
}
@Test
@IssueKey("337")
public void shouldNotPropagateIgnoredPropertyInReverseMappingWhenSourceAndTargetAreSpecified() {
AnimalDto animalDto = new AnimalDto( "Bruno", 100, 23, "black" );
Animal animal = AnimalMapper.INSTANCE.animalDtoToAnimal( animalDto );
assertThat( animal ).isNotNull();
assertThat( animalDto.getName() ).isEqualTo( "Bruno" );
assertThat( animalDto.getSize() ).isEqualTo( 100 );
assertThat( animal.getColour() ).isNull();
}
}

15
processor/src/test/java/org/mapstruct/ap/test/nestedsourceproperties/ArtistToChartEntry.java
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@ -18,6 +18,7 @@
*/
package org.mapstruct.ap.test.nestedsourceproperties;
import org.mapstruct.InheritInverseConfiguration;
import org.mapstruct.Mapper;
import org.mapstruct.Mapping;
import org.mapstruct.Mappings;
@ -36,7 +37,7 @@ public interface ArtistToChartEntry {
@Mappings({
@Mapping(target = "chartName", source = "chart.name"),
@Mapping(target = "title", source = "song.title"),
@Mapping(target = "songTitle", source = "song.title"),
@Mapping(target = "artistName", source = "song.artist.name"),
@Mapping(target = "recordedAt", source = "song.artist.label.studio.name"),
@Mapping(target = "city", source = "song.artist.label.studio.city"),
@ -46,7 +47,7 @@ public interface ArtistToChartEntry {
@Mappings({
@Mapping(target = "chartName", ignore = true),
@Mapping(target = "title", source = "title"),
@Mapping(target = "songTitle", source = "title"),
@Mapping(target = "artistName", source = "artist.name"),
@Mapping(target = "recordedAt", source = "artist.label.studio.name"),
@Mapping(target = "city", source = "artist.label.studio.city"),
@ -54,9 +55,17 @@ public interface ArtistToChartEntry {
})
ChartEntry map(Song song);
@InheritInverseConfiguration
@Mappings({
@Mapping(target = "artist", ignore = true),
@Mapping(target = "positions", ignore = true)
})
Song map(ChartEntry song);
@Mappings({
@Mapping(target = "chartName", source = "name"),
@Mapping(target = "title", ignore = true),
@Mapping(target = "songTitle", ignore = true),
@Mapping(target = "artistName", ignore = true),
@Mapping(target = "recordedAt", ignore = true),
@Mapping(target = "city", ignore = true),

49
processor/src/test/java/org/mapstruct/ap/test/nestedsourceproperties/ArtistToChartEntryErroneous.java Normal file
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@ -0,0 +1,49 @@
/**
* Copyright 2012-2014 Gunnar Morling (http://www.gunnarmorling.de/)
* and/or other contributors as indicated by the @authors tag. See the
* copyright.txt file in the distribution for a full listing of all
* contributors.
*
* 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.mapstruct.ap.test.nestedsourceproperties;
import org.mapstruct.InheritInverseConfiguration;
import org.mapstruct.Mapper;
import org.mapstruct.Mapping;
import org.mapstruct.Mappings;
import org.mapstruct.ap.test.nestedsourceproperties.target.ChartEntry;
import org.mapstruct.factory.Mappers;
/**
* @author Sjaak Derksen
*/
@Mapper
public interface ArtistToChartEntryErroneous {
ArtistToChartEntryErroneous MAPPER = Mappers.getMapper( ArtistToChartEntryErroneous.class );
@Mappings({
@Mapping(target = "chartName", ignore = true),
@Mapping(target = "songTitle", ignore = true),
@Mapping(target = "artistName", ignore = true),
@Mapping(target = "recordedAt", ignore = true),
@Mapping(target = "city", ignore = true),
@Mapping(target = "position", source = "position")
} )
ChartEntry forward(Integer position);
@InheritInverseConfiguration
Integer reverse(ChartEntry position);
}

38
processor/src/test/java/org/mapstruct/ap/test/nestedsourceproperties/NestedSourcePropertiesTest.java
View File

@ -37,6 +37,9 @@ import org.mapstruct.ap.testutil.runner.AnnotationProcessorTestRunner;
import static org.fest.assertions.Assertions.assertThat;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertTrue;
import org.mapstruct.ap.testutil.compilation.annotation.CompilationResult;
import org.mapstruct.ap.testutil.compilation.annotation.Diagnostic;
import org.mapstruct.ap.testutil.compilation.annotation.ExpectedCompilationOutcome;
/**
* @author Sjaak Derksen
@ -74,7 +77,7 @@ public class NestedSourcePropertiesTest {
assertThat( chartEntry.getCity() ).isEqualTo( "London" );
assertThat( chartEntry.getPosition() ).isEqualTo( 0 );
assertThat( chartEntry.getRecordedAt() ).isEqualTo( "Abbey Road" );
assertThat( chartEntry.getTitle() ).isEqualTo( "A Hard Day's Night" );
assertThat( chartEntry.getSongTitle() ).isEqualTo( "A Hard Day's Night" );
}
@Test
@ -109,7 +112,7 @@ public class NestedSourcePropertiesTest {
assertThat( chartEntry.getCity() ).isEqualTo( "London" );
assertThat( chartEntry.getPosition() ).isEqualTo( 1 );
assertThat( chartEntry.getRecordedAt() ).isEqualTo( "Abbey Road" );
assertThat( chartEntry.getTitle() ).isEqualTo( "A Hard Day's Night" );
assertThat( chartEntry.getSongTitle() ).isEqualTo( "A Hard Day's Night" );
}
@Test
@ -128,7 +131,7 @@ public class NestedSourcePropertiesTest {
assertThat( chartEntry.getCity() ).isNull();
assertThat( chartEntry.getPosition() ).isEqualTo( 0 );
assertThat( chartEntry.getRecordedAt() ).isNull();
assertThat( chartEntry.getTitle() ).isNull();
assertThat( chartEntry.getSongTitle() ).isNull();
}
@Test
@ -166,4 +169,33 @@ public class NestedSourcePropertiesTest {
assertFalse( AdderUsageObserver.isUsed() );
}
@Test
@IssueKey("337")
@WithClasses({ ArtistToChartEntry.class })
public void reverseShouldIgnoreNestedProperties() {
ChartEntry entry = new ChartEntry();
entry.setSongTitle( "Another brick in the wall" );
Song song = ArtistToChartEntry.MAPPER.map( entry );
assertThat( song ).isNotNull();
assertThat( song.getTitle() ).isEqualTo( "Another brick in the wall" );
}
@Test
@IssueKey( "337" )
@ExpectedCompilationOutcome(
value = CompilationResult.FAILED,
diagnostics = {
@Diagnostic( type = ArtistToChartEntryErroneous.class,
kind = javax.tools.Diagnostic.Kind.ERROR,
line = 47,
messageRegExp = "Parameter java.lang.Integer position cannot be reversed" )
}
)
@WithClasses({ ArtistToChartEntryErroneous.class })
public void reverseShouldIgnoreParameter() {
}
}

10
processor/src/test/java/org/mapstruct/ap/test/nestedsourceproperties/target/ChartEntry.java
View File

@ -24,7 +24,7 @@ package org.mapstruct.ap.test.nestedsourceproperties.target;
public class ChartEntry {
private String chartName;
private String title;
private String songTitle;
private String artistName;
private String recordedAt;
private String city;
@ -38,12 +38,12 @@ public class ChartEntry {
this.chartName = chartName;
}
public String getTitle() {
return title;
public String getSongTitle() {
return songTitle;
}
public void setTitle(String title) {
this.title = title;
public void setSongTitle(String songTitle) {
this.songTitle = songTitle;
}
public String getArtistName() {

6
processor/src/test/java/org/mapstruct/ap/test/reverse/InheritInverseConfigurationTest.java
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@ -128,11 +128,7 @@ public class InheritInverseConfigurationTest {
kind = Kind.ERROR,
line = 49,
messageRegExp = "Resolved inverse mapping method reverse\\(\\) should not carry the "
+ "@InheritInverseConfiguration annotation itself."),
@Diagnostic(type = SourceTargetMapperErroneouslyAnnotated.class,
kind = Kind.ERROR,
line = 55,
messageRegExp = "Unknown property \"propertyToIgnoreDownstream\" in return type.")
+ "@InheritInverseConfiguration annotation itself.")
}
)
public void shouldUseWronglyAnnotatedError() {