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add SourceCodeLocation to InstanceofCheck
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We should unify this and let all domain objects that have a designated source code location implement `HasSourceCodeLocation`.

Signed-off-by: Peter Gafert <peter.gafert@tngtech.com>
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@codecholeric
codecholeric committed Jan 30, 2021
1 parent 5dcccc7 commit 21a074a
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Showing 2 changed files with 42 additions and 21 deletions.
53 changes: 33 additions & 20 deletions archunit/src/main/java/com/tngtech/archunit/core/domain/Dependency.java
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Original file line number Diff line number Diff line change
Expand Up @@ -28,6 +28,7 @@
import com.tngtech.archunit.base.HasDescription;
import com.tngtech.archunit.base.Optional;
import com.tngtech.archunit.core.domain.properties.HasName;
import com.tngtech.archunit.core.domain.properties.HasOwner;
import com.tngtech.archunit.core.domain.properties.HasSourceCodeLocation;

import static com.google.common.base.Preconditions.checkArgument;
Expand Down Expand Up @@ -100,44 +101,46 @@ static Dependency fromInheritance(JavaClass origin, JavaClass targetSupertype) {
}

static Set<Dependency> tryCreateFromField(JavaField field) {
return tryCreateDependencyFromJavaMember(field, "has type", field.getRawType());
return tryCreateDependency(field, "has type", field.getRawType());
}

static Set<Dependency> tryCreateFromReturnType(JavaMethod method) {
return tryCreateDependencyFromJavaMember(method, "has return type", method.getRawReturnType());
return tryCreateDependency(method, "has return type", method.getRawReturnType());
}

static Set<Dependency> tryCreateFromParameter(JavaCodeUnit codeUnit, JavaClass parameter) {
return tryCreateDependencyFromJavaMember(codeUnit, "has parameter of type", parameter);
return tryCreateDependency(codeUnit, "has parameter of type", parameter);
}

static Set<Dependency> tryCreateFromThrowsDeclaration(ThrowsDeclaration<? extends JavaCodeUnit> declaration) {
return tryCreateDependencyFromJavaMember(declaration.getLocation(), "throws type", declaration.getRawType());
return tryCreateDependency(declaration.getLocation(), "throws type", declaration.getRawType());
}

static Set<Dependency> tryCreateFromInstanceofCheck(InstanceofCheck instanceofCheck) {
return tryCreateDependencyFromJavaMemberWithLocation(instanceofCheck.getOwner(), "checks instanceof", instanceofCheck.getRawType(), instanceofCheck.getLineNumber());
return tryCreateDependency(
instanceofCheck.getOwner(), "checks instanceof",
instanceofCheck.getRawType(), instanceofCheck.getSourceCodeLocation());
}

static Set<Dependency> tryCreateFromAnnotation(JavaAnnotation<?> target) {
Origin origin = findSuitableOrigin(target, target.getAnnotatedElement());
return tryCreateDependency(origin.originClass, origin.originDescription, "is annotated with", target.getRawType());
return tryCreateDependency(origin, "is annotated with", target.getRawType());
}

static Set<Dependency> tryCreateFromAnnotationMember(JavaAnnotation<?> annotation, JavaClass memberType) {
Origin origin = findSuitableOrigin(annotation, annotation.getAnnotatedElement());
return tryCreateDependency(origin.originClass, origin.originDescription, "has annotation member of type", memberType);
return tryCreateDependency(origin, "has annotation member of type", memberType);
}

static Set<Dependency> tryCreateFromTypeParameter(JavaTypeVariable<?> typeParameter, JavaClass typeParameterDependency) {
String dependencyType = "has type parameter '" + typeParameter.getName() + "' depending on";
Origin origin = findSuitableOrigin(typeParameter, typeParameter.getOwner());
return tryCreateDependency(origin.originClass, origin.originDescription, dependencyType, typeParameterDependency);
return tryCreateDependency(origin, dependencyType, typeParameterDependency);
}

static Set<Dependency> tryCreateFromGenericSuperclassTypeArguments(JavaClass originClass, JavaType superclass, JavaClass typeArgumentDependency) {
String dependencyType = "has generic superclass " + bracketFormat(superclass.getName()) + " with type argument depending on";
return tryCreateDependency(originClass, originClass.getDescription(), dependencyType, typeArgumentDependency);
return tryCreateDependency(originClass, originClass.getDescription(), dependencyType, typeArgumentDependency, originClass.getSourceCodeLocation());
}

private static Origin findSuitableOrigin(Object dependencyCause, Object originCandidate) {
Expand All @@ -152,22 +155,20 @@ private static Origin findSuitableOrigin(Object dependencyCause, Object originCa
throw new IllegalStateException("Could not find suitable dependency origin for " + dependencyCause);
}

private static Set<Dependency> tryCreateDependencyFromJavaMember(JavaMember origin, String dependencyType, JavaClass target) {
return tryCreateDependency(origin.getOwner(), origin.getDescription(), dependencyType, target);
private static <T extends HasOwner<JavaClass> & HasDescription> Set<Dependency> tryCreateDependency(
T origin, String dependencyType, JavaClass targetClass) {
return tryCreateDependency(origin, dependencyType, targetClass, origin.getOwner().getSourceCodeLocation());
}

private static Set<Dependency> tryCreateDependencyFromJavaMemberWithLocation(JavaMember origin, String dependencyType, JavaClass target, int lineNumber) {
return tryCreateDependency(origin.getOwner(), origin.getDescription(), dependencyType, target, SourceCodeLocation.of(origin.getOwner(), lineNumber));
}

private static Set<Dependency> tryCreateDependency(
JavaClass originClass, String originDescription, String dependencyType, JavaClass targetClass) {
private static <T extends HasOwner<JavaClass> & HasDescription> Set<Dependency> tryCreateDependency(
T origin, String dependencyType, JavaClass targetClass, SourceCodeLocation sourceCodeLocation) {

return tryCreateDependency(originClass, originDescription, dependencyType, targetClass, originClass.getSourceCodeLocation());
return tryCreateDependency(origin.getOwner(), origin.getDescription(), dependencyType, targetClass, sourceCodeLocation);
}

private static Set<Dependency> tryCreateDependency(
JavaClass originClass, String originDescription, String dependencyType, JavaClass targetClass, SourceCodeLocation sourceCodeLocation) {

ImmutableSet.Builder<Dependency> dependencies = ImmutableSet.<Dependency>builder()
.addAll(createComponentTypeDependencies(originClass, originDescription, targetClass, sourceCodeLocation));
String targetDescription = bracketFormat(targetClass.getName());
Expand All @@ -177,7 +178,9 @@ private static Set<Dependency> tryCreateDependency(
return dependencies.build();
}

private static Set<Dependency> createComponentTypeDependencies(JavaClass originClass, String originDescription, JavaClass targetClass, SourceCodeLocation sourceCodeLocation) {
private static Set<Dependency> createComponentTypeDependencies(
JavaClass originClass, String originDescription, JavaClass targetClass, SourceCodeLocation sourceCodeLocation) {

ImmutableSet.Builder<Dependency> result = ImmutableSet.builder();
Optional<JavaClass> componentType = targetClass.tryGetComponentType();
while (componentType.isPresent()) {
Expand Down Expand Up @@ -271,14 +274,24 @@ public static JavaClasses toTargetClasses(Iterable<Dependency> dependencies) {
return JavaClasses.of(classes);
}

private static class Origin {
private static class Origin implements HasOwner<JavaClass>, HasDescription {
private final JavaClass originClass;
private final String originDescription;

private Origin(JavaClass originClass, String originDescription) {
this.originClass = originClass;
this.originDescription = originDescription;
}

@Override
public JavaClass getOwner() {
return originClass;
}

@Override
public String getDescription() {
return originDescription;
}
}

public static final class Predicates {
Expand Down
10 changes: 9 additions & 1 deletion archunit/src/main/java/com/tngtech/archunit/core/domain/InstanceofCheck.java
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Original file line number Diff line number Diff line change
Expand Up @@ -17,22 +17,25 @@

import com.tngtech.archunit.PublicAPI;
import com.tngtech.archunit.core.domain.properties.HasOwner;
import com.tngtech.archunit.core.domain.properties.HasSourceCodeLocation;
import com.tngtech.archunit.core.domain.properties.HasType;

import static com.google.common.base.MoreObjects.toStringHelper;
import static com.google.common.base.Preconditions.checkNotNull;
import static com.tngtech.archunit.PublicAPI.Usage.ACCESS;

public final class InstanceofCheck implements HasType, HasOwner<JavaCodeUnit> {
public final class InstanceofCheck implements HasType, HasOwner<JavaCodeUnit>, HasSourceCodeLocation {

private final JavaCodeUnit owner;
private final JavaClass target;
private final int lineNumber;
private final SourceCodeLocation sourceCodeLocation;

private InstanceofCheck(JavaCodeUnit owner, JavaClass target, int lineNumber) {
this.owner = checkNotNull(owner);
this.target = checkNotNull(target);
this.lineNumber = lineNumber;
sourceCodeLocation = SourceCodeLocation.of(owner.getOwner(), lineNumber);
}

@Override
Expand All @@ -58,6 +61,11 @@ public int getLineNumber() {
return lineNumber;
}

@Override
public SourceCodeLocation getSourceCodeLocation() {
return sourceCodeLocation;
}

@Override
public String toString() {
return toStringHelper(this)
Expand Down

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