#159 Support fluent setters with super types (e.g. lomboks @SuperBuilder

)

src/main/java/org/mapstruct/intellij/util/MapstructUtil.java

@@ -108,7 +108,7 @@ private MapstructUtil() {
     }
 
     public static LookupElement[] asLookup(Map<String, Pair<? extends PsiElement, PsiSubstitutor>> accessors,
-        Function<PsiElement, PsiType> typeMapper) {
+                                           Function<PsiElement, PsiType> typeMapper) {
         if ( !accessors.isEmpty() ) {
             LookupElement[] lookupElements = new LookupElement[accessors.size()];
             int index = 0;
@@ -163,7 +163,7 @@ public static <T extends PsiElement> LookupElement asLookup(String propertyName,
     }
 
     public static LookupElement asLookup(String propertyName, @NotNull Pair<? extends PsiElement, PsiSubstitutor> pair,
-        Function<PsiElement, PsiType> typeMapper, Icon icon) {
+                                         Function<PsiElement, PsiType> typeMapper, Icon icon) {
         PsiElement member = pair.getFirst();
         PsiSubstitutor substitutor = pair.getSecond();
 
@@ -200,17 +200,35 @@ private static boolean isPublic(@NotNull PsiField field) {
 
     public static boolean isPublicModifiable(@NotNull PsiField field) {
         return isPublicNonStatic( field ) &&
-               !field.hasModifierProperty( PsiModifier.FINAL );
+            !field.hasModifierProperty( PsiModifier.FINAL );
     }
 
     public static boolean isFluentSetter(@NotNull PsiMethod method, PsiType psiType) {
         return !psiType.getCanonicalText().startsWith( "java.lang" ) &&
             method.getReturnType() != null &&
             !isAdderWithUpperCase4thCharacter( method ) &&
-            TypeConversionUtil.isAssignable(
-                psiType,
-                PsiUtil.resolveGenericsClassInType( psiType ).getSubstitutor().substitute( method.getReturnType() )
-            );
+            isAssignableFromReturnTypeOrSuperTypes( psiType, method.getReturnType() );
+    }
+
+    private static boolean isAssignableFromReturnTypeOrSuperTypes(PsiType psiType, PsiType returnType) {
+
+        if ( isAssignableFrom( psiType, returnType ) ) {
+            return true;
+        }
+
+        for ( PsiType superType : returnType.getSuperTypes() ) {
+            if ( isAssignableFrom( psiType, superType ) ) {
+                return true;
+            }
+        }
+        return false;
+    }
+
+    private static boolean isAssignableFrom(PsiType psiType, @Nullable PsiType returnType) {
+        return TypeConversionUtil.isAssignable(
+            psiType,
+            PsiUtil.resolveGenericsClassInType( psiType ).getSubstitutor().substitute( returnType )
+        );
     }
 
     private static boolean isAdderWithUpperCase4thCharacter(@NotNull PsiMethod method) {

src/test/java/org/mapstruct/intellij/inspection/UnmappedSuperBuilderTargetPropertiesInspectionTest.java

@@ -0,0 +1,62 @@
+/*
+ * Copyright MapStruct Authors.
+ *
+ * Licensed under the Apache License version 2.0, available at https://www.apache.org/licenses/LICENSE-2.0
+ */
+package org.mapstruct.intellij.inspection;
+
+import java.util.List;
+
+import com.intellij.codeInsight.intention.IntentionAction;
+import org.jetbrains.annotations.NotNull;
+
+import static org.assertj.core.api.Assertions.assertThat;
+
+/**
+ * @author Oliver Erhart
+ */
+public class UnmappedSuperBuilderTargetPropertiesInspectionTest extends BaseInspectionTest {
+
+    @NotNull
+    @Override
+    protected Class<UnmappedTargetPropertiesInspection> getInspection() {
+        return UnmappedTargetPropertiesInspection.class;
+    }
+
+    @Override
+    protected void setUp() throws Exception {
+        super.setUp();
+        myFixture.copyFileToProject(
+            "UnmappedSuperBuilderTargetPropertiesData.java",
+            "org/example/data/UnmappedSuperBuilderTargetPropertiesData.java"
+        );
+    }
+
+    public void testUnmappedSuperBuilderTargetProperties() {
+        doTest();
+        String testName = getTestName( false );
+        List<IntentionAction> allQuickFixes = myFixture.getAllQuickFixes();
+
+        assertThat( allQuickFixes )
+            .extracting( IntentionAction::getText )
+            .as( "Intent Text" )
+            .containsExactly(
+                "Ignore unmapped target property: 'testName'",
+                "Add unmapped target property: 'testName'",
+                "Ignore unmapped target property: 'moreTarget'",
+                "Add unmapped target property: 'moreTarget'",
+                "Ignore unmapped target property: 'moreTarget'",
+                "Add unmapped target property: 'moreTarget'",
+                "Ignore unmapped target property: 'testName'",
+                "Add unmapped target property: 'testName'",
+                "Ignore all unmapped target properties",
+                "Ignore unmapped target property: 'testName'",
+                "Add unmapped target property: 'testName'",
+                "Ignore unmapped target property: 'moreTarget'",
+                "Add unmapped target property: 'moreTarget'"
+            );
+
+        allQuickFixes.forEach( myFixture::launchAction );
+        myFixture.checkResultByFile( testName + "_after.java" );
+    }
+}

testData/inspection/UnmappedSuperBuilderTargetProperties.java

@@ -0,0 +1,65 @@
+/*
+ * Copyright MapStruct Authors.
+ *
+ * Licensed under the Apache License version 2.0, available at https://www.apache.org/licenses/LICENSE-2.0
+ */
+
+import org.mapstruct.Context;
+import org.mapstruct.InheritInverseConfiguration;
+import org.mapstruct.Mapper;
+import org.mapstruct.Mapping;
+import org.mapstruct.MappingTarget;
+import org.mapstruct.Mappings;
+import org.example.data.UnmappedSuperBuilderTargetPropertiesData.Target;
+import org.example.data.UnmappedSuperBuilderTargetPropertiesData.Source;
+
+interface NotMapStructMapper {
+
+    Target map(Source source);
+}
+
+@Mapper
+interface SingleMappingsMapper {
+
+    @Mappings({
+        @Mapping(target = "moreTarget", source = "moreSource")
+    })
+    Target <warning descr="Unmapped target property: testName">map</warning>(Source source);
+}
+
+@Mapper
+interface SingleMappingMapper {
+
+    @Mapping(target = "testName", source = "name")
+    Target <warning descr="Unmapped target property: moreTarget">map</warning>(Source source);
+}
+
+@Mapper
+interface NoMappingMapper {
+
+    Target <warning descr="Unmapped target properties: moreTarget, testName">map</warning>(Source source);
+
+    @InheritInverseConfiguration
+    Source reverse(Target target);
+}
+
+@Mapper
+interface AllMappingMapper {
+
+    @Mapping(target = "testName", source = "name")
+    @Mapping(target = "moreTarget", source = "moreSource")
+    Target mapWithAllMapping(Source source);
+}
+
+@Mapper
+interface UpdateMapper {
+
+    @Mapping(target = "moreTarget", source = "moreSource")
+    void <warning descr="Unmapped target property: testName">update</warning>(@MappingTarget Target target, Source source);
+}
+
+@Mapper
+interface MultiSourceUpdateMapper {
+
+    void <warning descr="Unmapped target property: moreTarget">update</warning>(@MappingTarget Target moreTarget, Source source, String testName, @Context String matching);
+}

testData/inspection/UnmappedSuperBuilderTargetPropertiesData.java

@@ -0,0 +1,128 @@
+/*
+ * Copyright MapStruct Authors.
+ *
+ * Licensed under the Apache License version 2.0, available at https://www.apache.org/licenses/LICENSE-2.0
+ */
+package org.example.data;
+
+public class UnmappedSuperBuilderTargetPropertiesData {
+    public static class Source {
+
+        private String name;
+        private String matching;
+        private String moreSource;
+        private String onlyInSource;
+
+        public String getName() {
+            return name;
+        }
+
+        public void setName(String name) {
+            this.name = name;
+        }
+
+        public String getMatching() {
+            return matching;
+        }
+
+        public void setMatching(String matching) {
+            this.matching = matching;
+        }
+
+        public String getMoreSource() {
+            return moreSource;
+        }
+
+        public void setMoreSource(String moreSource) {
+            this.moreSource = moreSource;
+        }
+
+        public String getOnlyInSource() {
+            return onlyInSource;
+        }
+
+        public void setOnlyInSource(String onlyInSource) {
+            this.onlyInSource = onlyInSource;
+        }
+    }
+
+    public static class Target {
+
+        private String testName;
+        private String matching;
+        private String moreTarget;
+
+        protected Target(TargetBuilder<?, ?> b) {
+            this.testName = b.testName;
+            this.matching = b.matching;
+            this.moreTarget = b.moreTarget;
+        }
+
+        public static TargetBuilder<?, ?> builder() {
+            return new TargetBuilderImpl();
+        }
+
+        public String getTestName() {
+            return this.testName;
+        }
+
+        public String getMatching() {
+            return this.matching;
+        }
+
+        public String getMoreTarget() {
+            return this.moreTarget;
+        }
+
+        public void setTestName(String testName) {
+            this.testName = testName;
+        }
+
+        public void setMatching(String matching) {
+            this.matching = matching;
+        }
+
+        public void setMoreTarget(String moreTarget) {
+            this.moreTarget = moreTarget;
+        }
+
+        public static abstract class TargetBuilder<C extends Target, B extends TargetBuilder<C, B>> {
+            private String testName;
+            private String matching;
+            private String moreTarget;
+
+            public B testName(String testName) {
+                this.testName = testName;
+                return self();
+            }
+
+            public B matching(String matching) {
+                this.matching = matching;
+                return self();
+            }
+
+            public B moreTarget(String moreTarget) {
+                this.moreTarget = moreTarget;
+                return self();
+            }
+
+            protected abstract B self();
+
+            public abstract C build();
+        }
+
+        private static final class TargetBuilderImpl extends TargetBuilder<Target, TargetBuilderImpl> {
+            private TargetBuilderImpl() {
+            }
+
+            protected TargetBuilderImpl self() {
+                return this;
+            }
+
+            public Target build() {
+                return new Target( this );
+            }
+        }
+    }
+
+}

testData/inspection/UnmappedSuperBuilderTargetProperties_after.java

@@ -0,0 +1,79 @@
+/*
+ * Copyright MapStruct Authors.
+ *
+ * Licensed under the Apache License version 2.0, available at https://www.apache.org/licenses/LICENSE-2.0
+ */
+
+import org.mapstruct.Context;
+import org.mapstruct.InheritInverseConfiguration;
+import org.mapstruct.Mapper;
+import org.mapstruct.Mapping;
+import org.mapstruct.MappingTarget;
+import org.mapstruct.Mappings;
+import org.example.data.UnmappedSuperBuilderTargetPropertiesData.Target;
+import org.example.data.UnmappedSuperBuilderTargetPropertiesData.Source;
+
+interface NotMapStructMapper {
+
+    Target map(Source source);
+}
+
+@Mapper
+interface SingleMappingsMapper {
+
+    @Mappings({
+            @Mapping(target = "moreTarget", source = "moreSource"),
+            @Mapping(target = "testName", ignore = true),
+            @Mapping(target = "testName", source = "")
+    })
+    Target map(Source source);
+}
+
+@Mapper
+interface SingleMappingMapper {
+
+    @Mapping(target = "moreTarget", source = "")
+    @Mapping(target = "moreTarget", ignore = true)
+    @Mapping(target = "testName", source = "name")
+    Target map(Source source);
+}
+
+@Mapper
+interface NoMappingMapper {
+
+    @Mapping(target = "testName", ignore = true)
+    @Mapping(target = "moreTarget", ignore = true)
+    @Mapping(target = "testName", source = "")
+    @Mapping(target = "testName", ignore = true)
+    @Mapping(target = "moreTarget", source = "")
+    @Mapping(target = "moreTarget", ignore = true)
+    Target map(Source source);
+
+    @InheritInverseConfiguration
+    Source reverse(Target target);
+}
+
+@Mapper
+interface AllMappingMapper {
+
+    @Mapping(target = "testName", source = "name")
+    @Mapping(target = "moreTarget", source = "moreSource")
+    Target mapWithAllMapping(Source source);
+}
+
+@Mapper
+interface UpdateMapper {
+
+    @Mapping(target = "testName", source = "")
+    @Mapping(target = "testName", ignore = true)
+    @Mapping(target = "moreTarget", source = "moreSource")
+    void update(@MappingTarget Target target, Source source);
+}
+
+@Mapper
+interface MultiSourceUpdateMapper {
+
+    @Mapping(target = "moreTarget", source = "")
+    @Mapping(target = "moreTarget", ignore = true)
+    void update(@MappingTarget Target moreTarget, Source source, String testName, @Context String matching);
+}