javax.lang.model.type.WildcardType Java Exaples

Source File: PluginGenerator.java From openjdk-jdk9 with GNU General Public License v2.0

6 votes

private static void appendSimpleTypeName(StringBuilder ret, TypeMirror type) {
    switch (type.getKind()) {
        case DECLARED:
            DeclaredType declared = (DeclaredType) type;
            TypeElement element = (TypeElement) declared.asElement();
            ret.append(element.getSimpleName());
            break;
        case TYPEVAR:
            appendSimpleTypeName(ret, ((TypeVariable) type).getUpperBound());
            break;
        case WILDCARD:
            appendSimpleTypeName(ret, ((WildcardType) type).getExtendsBound());
            break;
        case ARRAY:
            appendSimpleTypeName(ret, ((ArrayType) type).getComponentType());
            ret.append("Array");
            break;
        default:
            ret.append(type);
    }
}

Source File: JavaSymbolProvider.java From netbeans with Apache License 2.0

6 votes

@Override
public StringBuilder visitWildcard(WildcardType t, Boolean p) {
    int len = DEFAULT_VALUE.length();
    DEFAULT_VALUE.append("?"); //NOI18N
    TypeMirror bound = t.getSuperBound();
    if (bound == null) {
        bound = t.getExtendsBound();
        if (bound != null) {
            DEFAULT_VALUE.append(" extends "); //NOI18N
            if (bound.getKind() == TypeKind.WILDCARD) {
                bound = ((WildcardType)bound).getSuperBound();
            }
            visit(bound, p);
        } else if (len == 0) {
            bound = SourceUtils.getBound(t);
            if (bound != null && (bound.getKind() != TypeKind.DECLARED || !((TypeElement)((DeclaredType)bound).asElement()).getQualifiedName().contentEquals("java.lang.Object"))) { //NOI18N
                DEFAULT_VALUE.append(" extends "); //NOI18N
                visit(bound, p);
            }
        }
    } else {
        DEFAULT_VALUE.append(" super "); //NOI18N
        visit(bound, p);
    }
    return DEFAULT_VALUE;
}

Source File: TypeUtilities.java From netbeans with Apache License 2.0

6 votes

private static TypeMirror resolveCapturedType(CompilationInfo info, TypeMirror tm) {
    if (tm == null) {
        return tm;
    }
    if (tm.getKind() == TypeKind.ERROR) {
        tm = info.getTrees().getOriginalType((ErrorType) tm);
    }
    TypeMirror type = resolveCapturedTypeInt(info, tm);
    if (type == null) {
        return tm;
    }
    if (type.getKind() == TypeKind.WILDCARD) {
        TypeMirror tmirr = ((WildcardType) type).getExtendsBound();
        if (tmirr != null)
            return tmirr;
        else { //no extends, just '?'
            TypeElement te = info.getElements().getTypeElement("java.lang.Object"); // NOI18N
            return te == null ? null : te.asType();
        }
            
    }
    
    return type;
}

Source File: Utilities.java From netbeans with Apache License 2.0

6 votes

public static TypeMirror resolveCapturedType(CompilationInfo info, TypeMirror tm) {
    if (tm == null) {
        return tm;
    }
    if (tm.getKind() == TypeKind.ERROR) {
        tm = info.getTrees().getOriginalType((ErrorType) tm);
    }
    TypeMirror type = resolveCapturedTypeInt(info, tm);
    if (type == null) {
        return tm;
    }
    if (type.getKind() == TypeKind.WILDCARD) {
        TypeMirror tmirr = ((WildcardType) type).getExtendsBound();
        if (tmirr != null)
            return tmirr;
        else { //no extends, just '?'
            TypeElement te = info.getElements().getTypeElement("java.lang.Object"); // NOI18N
            return te == null ? null : te.asType();
        }
            
    }
    
    return type;
}

Source File: TypeUtilities.java From netbeans with Apache License 2.0

6 votes

@Override
public StringBuilder visitWildcard(WildcardType t, Boolean p) {
    int len = DEFAULT_VALUE.length();
    DEFAULT_VALUE.append("?"); //NOI18N
    TypeMirror bound = t.getSuperBound();
    if (bound == null) {
        bound = t.getExtendsBound();
        if (bound != null) {
            DEFAULT_VALUE.append(" extends "); //NOI18N
            if (bound.getKind() == TypeKind.WILDCARD)
                bound = ((WildcardType)bound).getSuperBound();
            visit(bound, p);
        } else if (len == 0) {
            bound = SourceUtils.getBound(t);
            if (bound != null && (bound.getKind() != TypeKind.DECLARED || !((TypeElement)((DeclaredType)bound).asElement()).getQualifiedName().contentEquals("java.lang.Object"))) { //NOI18N
                DEFAULT_VALUE.append(" extends "); //NOI18N
                visit(bound, p);
            }
        }
    } else {
        DEFAULT_VALUE.append(" super "); //NOI18N
        visit(bound, p);
    }
    return DEFAULT_VALUE;
}

Source File: SourceUtils.java From netbeans with Apache License 2.0

6 votes

/**
 * Resolves all captured type variables to their respective wildcards in the given type.
 * @param info CompilationInfo over which the method should work
 * @param tm type to resolve
 * @return resolved type
 * 
 * @since 0.136
 */
public static TypeMirror resolveCapturedType(CompilationInfo info, TypeMirror tm) {
    TypeMirror type = resolveCapturedTypeInt(info, tm);
    
    if (type.getKind() == TypeKind.WILDCARD) {
        TypeMirror tmirr = ((WildcardType) type).getExtendsBound();
        tmirr = tmirr != null ? tmirr : ((WildcardType) type).getSuperBound();
        if (tmirr != null) {
            return tmirr;
        } else { //no extends, just '?
            TypeElement tel = info.getElements().getTypeElement("java.lang.Object"); // NOI18N
            return tel == null ? null : tel.asType();
        }
            
    }
    
    return type;
}

Source File: SpringXMLConfigCompletionItem.java From netbeans with Apache License 2.0

6 votes

@Override
public StringBuilder visitWildcard(WildcardType t, Boolean p) {
    DEFAULT_VALUE.append("?"); //NOI18N
    TypeMirror bound = t.getSuperBound();
    if (bound == null) {
        bound = t.getExtendsBound();
        if (bound != null) {
            DEFAULT_VALUE.append(" extends "); //NOI18N
            if (bound.getKind() == TypeKind.WILDCARD)
                bound = ((WildcardType)bound).getSuperBound();
            visit(bound, p);
        } else {
            bound = SourceUtils.getBound(t);
            if (bound != null && (bound.getKind() != TypeKind.DECLARED || !((TypeElement)((DeclaredType)bound).asElement()).getQualifiedName().contentEquals("java.lang.Object"))) { //NOI18N
                DEFAULT_VALUE.append(" extends "); //NOI18N
                visit(bound, p);
            }
        }
    } else {
        DEFAULT_VALUE.append(" super "); //NOI18N
        visit(bound, p);
    }
    return DEFAULT_VALUE;
}

Source File: Utilities.java From netbeans with Apache License 2.0

6 votes

private static void containedTypevarsRecursively(@NonNull TypeMirror tm, @NonNull Collection<TypeVariable> typeVars) {
    switch (tm.getKind()) {
        case TYPEVAR:
            typeVars.add((TypeVariable) tm);
            break;
        case DECLARED:
            DeclaredType type = (DeclaredType) tm;
            for (TypeMirror t : type.getTypeArguments()) {
                containedTypevarsRecursively(t, typeVars);
            }

            break;
        case ARRAY:
            containedTypevarsRecursively(((ArrayType) tm).getComponentType(), typeVars);
            break;
        case WILDCARD:
            if (((WildcardType) tm).getExtendsBound() != null) {
                containedTypevarsRecursively(((WildcardType) tm).getExtendsBound(), typeVars);
            }
            if (((WildcardType) tm).getSuperBound() != null) {
                containedTypevarsRecursively(((WildcardType) tm).getSuperBound(), typeVars);
            }
            break;
    }
}

Source File: ExpectedTypeResolver.java From netbeans with Apache License 2.0

6 votes

private TypeMirror decapture(TypeMirror argm) {
    if (argm instanceof CapturedType) {
        argm = ((CapturedType)argm).wildcard;
    }
    if (argm.getKind() == TypeKind.WILDCARD) {
        WildcardType wctype = (WildcardType)argm;
        TypeMirror bound = wctype.getExtendsBound();
        if (bound != null) {
            return bound;
        } 
        bound = wctype.getSuperBound();
        if (bound != null) {
            return bound;
        }
        return null;
    } 
    return argm;
}

Source File: MethodModelSupport.java From netbeans with Apache License 2.0

6 votes

@Override
public StringBuilder visitWildcard(WildcardType t, Boolean p) {
    int len = DEFAULT_VALUE.length();
    DEFAULT_VALUE.append("?"); //NOI18N
    TypeMirror bound = t.getSuperBound();
    if (bound == null) {
        bound = t.getExtendsBound();
        if (bound != null) {
            DEFAULT_VALUE.append(" extends "); //NOI18N
            if (bound.getKind() == TypeKind.WILDCARD)
                bound = ((WildcardType)bound).getSuperBound();
            visit(bound, p);
        } else if (len == 0) {
            bound = SourceUtils.getBound(t);
            if (bound != null && (bound.getKind() != TypeKind.DECLARED || !((TypeElement)((DeclaredType)bound).asElement()).getQualifiedName().contentEquals("java.lang.Object"))) { //NOI18N
                DEFAULT_VALUE.append(" extends "); //NOI18N
                visit(bound, p);
            }
        }
    } else {
        DEFAULT_VALUE.append(" super "); //NOI18N
        visit(bound, p);
    }
    return DEFAULT_VALUE;
}

Source File: Utilities.java From netbeans with Apache License 2.0

6 votes

@Override
public StringBuilder visitWildcard(WildcardType t, Boolean p) {
    int len = DEFAULT_VALUE.length();
    DEFAULT_VALUE.append("?"); //NOI18N
    TypeMirror bound = t.getSuperBound();
    if (bound == null) {
        bound = t.getExtendsBound();
        if (bound != null) {
            DEFAULT_VALUE.append(" extends "); //NOI18N
            if (bound.getKind() == TypeKind.WILDCARD)
                bound = ((WildcardType)bound).getSuperBound();
            visit(bound, p);
        } else if (len == 0) {
            bound = SourceUtils.getBound(t);
            if (bound != null && (bound.getKind() != TypeKind.DECLARED || !((TypeElement)((DeclaredType)bound).asElement()).getQualifiedName().contentEquals("java.lang.Object"))) { //NOI18N
                DEFAULT_VALUE.append(" extends "); //NOI18N
                visit(bound, p);
            }
        }
    } else {
        DEFAULT_VALUE.append(" super "); //NOI18N
        visit(bound, p);
    }
    return DEFAULT_VALUE;
}

Source File: AbstractAssignabilityChecker.java From netbeans with Apache License 2.0

6 votes

protected boolean handleWildCard( TypeMirror argType, WildcardType varTypeArg,
        Types types )
{
    TypeMirror upperBound = varTypeArg.getExtendsBound();
    TypeMirror lowerBound = varTypeArg.getSuperBound();

    if ( argType instanceof ReferenceType && 
            argType.getKind()!=TypeKind.TYPEVAR)
    {
        return handleWildCardActualType(argType, types, upperBound,
                lowerBound);
    }            
    
    if ( argType.getKind() == TypeKind.TYPEVAR ){
        return handleWildCardTypeVar(argType, types, upperBound, lowerBound);
    }
    
    return false;
}

Source File: BeanModelBuilder.java From netbeans with Apache License 2.0

6 votes

private void addDependency(TypeMirror tm) {
    if (tm.getKind() == TypeKind.ARRAY) {
        addDependency(((ArrayType)tm).getComponentType());
    } else if (tm.getKind() == TypeKind.WILDCARD) {
        WildcardType wt = (WildcardType)tm;
        TypeMirror bound = wt.getSuperBound();
        if (bound == null) {
            bound = wt.getExtendsBound();
        }
        addDependency(bound);
    } else if (tm.getKind() == TypeKind.DECLARED) {
        addDependency(
            ((TypeElement)compilationInfo.getTypes().asElement(tm)).getQualifiedName().toString()
        );
    }
}

Source File: GeneratedPlugin.java From openjdk-jdk9 with GNU General Public License v2.0

6 votes

static String getErasedType(TypeMirror type) {
    switch (type.getKind()) {
        case DECLARED:
            DeclaredType declared = (DeclaredType) type;
            TypeElement element = (TypeElement) declared.asElement();
            return element.getQualifiedName().toString();
        case TYPEVAR:
            return getErasedType(((TypeVariable) type).getUpperBound());
        case WILDCARD:
            return getErasedType(((WildcardType) type).getExtendsBound());
        case ARRAY:
            return getErasedType(((ArrayType) type).getComponentType()) + "[]";
        default:
            return type.toString();
    }
}

Source File: AbstractTestGenerator.java From netbeans with Apache License 2.0

5 votes

private TypeMirror getTypeMirror(WorkingCopy workingCopy, TypeMirror retType) {
if (retType.getKind() == TypeKind.DECLARED) {
    List<? extends TypeMirror> typeArguments = ((DeclaredType) retType).getTypeArguments();
    for (TypeMirror argument : typeArguments) {
	if (argument.getKind() == TypeKind.WILDCARD) {
	    TypeMirror extendsBound = ((WildcardType) argument).getExtendsBound();
	    TypeMirror superBound = ((WildcardType) argument).getSuperBound();
	    if(extendsBound == null && superBound == null) {
		return workingCopy.getTypes().erasure(retType);
	    }
	    if (extendsBound != null) {
		if (shouldApplyErasure(extendsBound)) {
		    return workingCopy.getTypes().erasure(retType);
		}
	    }
	    if (superBound != null) {
		if (shouldApplyErasure(superBound)) {
		    return workingCopy.getTypes().erasure(retType);
		}
	    }
	} else if (argument.getKind() == TypeKind.DECLARED) {
	    if (((DeclaredType) argument).asElement().getModifiers().contains(Modifier.PRIVATE)) {
		return workingCopy.getTypes().erasure(retType);
	    }
	} else {
	    return workingCopy.getTypes().erasure(retType);
	}
    }
} else {
    return workingCopy.getTypes().erasure(retType);
}
return retType;
   }

Source File: DeclaredTypeCollector.java From netbeans with Apache License 2.0

5 votes

@Override
public Void visitWildcard(WildcardType t, Collection<DeclaredType> p) {
    if (t.getExtendsBound() != null) {
        visit(t.getExtendsBound(), p);
    }
    if (t.getSuperBound() != null) {
        visit(t.getSuperBound(), p);
    }
    return DEFAULT_VALUE;
}

Source File: TypeMirrorAppender.java From FreeBuilder with Apache License 2.0

5 votes

@Override
public Void visitWildcard(WildcardType t, QualifiedNameAppendable a) {
  a.append("?");
  if (t.getSuperBound() != null) {
    a.append(" super ");
    t.getSuperBound().accept(this, a);
  }
  if (t.getExtendsBound() != null) {
    a.append(" extends ");
    t.getExtendsBound().accept(this, a);
  }
  return null;
}

Source File: TypeSimplifier.java From SimpleWeibo with Apache License 2.0

5 votes

@Override public StringBuilder visitWildcard(WildcardType type, StringBuilder sb) {
  sb.append("?");
  TypeMirror extendsBound = type.getExtendsBound();
  TypeMirror superBound = type.getSuperBound();
  if (superBound != null) {
    sb.append(" super ");
    visit(superBound, sb);
  } else if (extendsBound != null) {
    sb.append(" extends ");
    visit(extendsBound, sb);
  }
  return sb;
}

Source File: TypeSimplifier.java From RetroFacebook with Apache License 2.0

5 votes

@Override public Void visitWildcard(WildcardType t, Void p) {
  for (TypeMirror bound : new TypeMirror[] {t.getSuperBound(), t.getExtendsBound()}) {
    if (bound != null) {
      visit(bound, p);
    }
  }
  return null;
}

Source File: SourceUtilsTest.java From netbeans with Apache License 2.0

5 votes

public void testGetBound() throws Exception {
    //only a scatch of the test, add testcases as needed:
    prepareTest();

    TypeElement test = info.getElements().getTypeElement("sourceutils.TestGetBound");

    assertNotNull(test);

    TypeParameterElement typeParam = test.getTypeParameters().get(0);
    TypeMirror outerBound = ((TypeVariable) typeParam.asType()).getUpperBound();

    TypeMirror bound = SourceUtils.getBound((WildcardType) ((DeclaredType) outerBound).getTypeArguments().get(0));
    assertEquals("java.lang.CharSequence", String.valueOf(bound));
}

Source File: EnableBeansFilter.java From netbeans with Apache License 2.0

5 votes

private DeclaredType getDeclaredType( TypeMirror type ){
    if ( type instanceof DeclaredType && type.getKind()!= TypeKind.ERROR){
        return (DeclaredType)type;
    }
    if ( type instanceof TypeVariable ){
        TypeMirror upperBound = ((TypeVariable)type).getUpperBound();
        return getDeclaredType( upperBound );
    }
    else if ( type instanceof WildcardType ){
        TypeMirror extendsBound = ((WildcardType)type).getExtendsBound();
        return getDeclaredType( extendsBound );
    }
    return null;
}

Source File: TypeSimplifier.java From RetroFacebook with Apache License 2.0

5 votes

@Override public StringBuilder visitWildcard(WildcardType type, StringBuilder sb) {
  sb.append("?");
  TypeMirror extendsBound = type.getExtendsBound();
  TypeMirror superBound = type.getSuperBound();
  if (superBound != null) {
    sb.append(" super ");
    visit(superBound, sb);
  } else if (extendsBound != null) {
    sb.append(" extends ");
    visit(extendsBound, sb);
  }
  return sb;
}

Source File: TurbineTypeMirrorTest.java From turbine with Apache License 2.0

5 votes

@Test
public void wildTy() {
  WildcardType lower =
      (WildcardType)
          factory.asTypeMirror(
              Type.WildLowerBoundedTy.create(
                  Type.ClassTy.asNonParametricClassTy(new ClassSymbol("java/lang/Integer")),
                  ImmutableList.of()));
  WildcardType upper =
      (WildcardType)
          factory.asTypeMirror(
              Type.WildUpperBoundedTy.create(
                  Type.ClassTy.asNonParametricClassTy(new ClassSymbol("java/lang/Long")),
                  ImmutableList.of()));
  WildcardType unbound =
      (WildcardType) factory.asTypeMirror(Type.WildUnboundedTy.create(ImmutableList.of()));

  assertThat(lower.getKind()).isEqualTo(TypeKind.WILDCARD);
  assertThat(lower.getExtendsBound()).isNull();
  assertThat(lower.getSuperBound().getKind()).isEqualTo(TypeKind.DECLARED);

  assertThat(upper.getKind()).isEqualTo(TypeKind.WILDCARD);
  assertThat(upper.getExtendsBound().getKind()).isEqualTo(TypeKind.DECLARED);
  assertThat(upper.getSuperBound()).isNull();

  assertThat(unbound.getKind()).isEqualTo(TypeKind.WILDCARD);
  assertThat(unbound.getExtendsBound()).isNull();
  assertThat(unbound.getSuperBound()).isNull();
}

Source File: TurbineTypes.java From turbine with Apache License 2.0

5 votes

@Override
public WildcardType getWildcardType(TypeMirror extendsBound, TypeMirror superBound) {
  WildTy type;
  if (extendsBound != null) {
    type = WildTy.WildUpperBoundedTy.create(asTurbineType(extendsBound), ImmutableList.of());
  } else if (superBound != null) {
    type = WildTy.WildLowerBoundedTy.create(asTurbineType(superBound), ImmutableList.of());
  } else {
    type = WildUnboundedTy.create(ImmutableList.of());
  }
  return (WildcardType) factory.asTypeMirror(type);
}

Source File: TypeSimplifier.java From RetroFacebook with Apache License 2.0

5 votes

@Override public boolean apply(TypeMirror arg) {
  if (arg.getKind() == TypeKind.WILDCARD) {
    WildcardType wildcard = (WildcardType) arg;
    if (wildcard.getExtendsBound() == null || isJavaLangObject(wildcard.getExtendsBound())) {
      // This is <?>, unless there's a super bound, in which case it is <? super Foo> and
      // is erased.
      return (wildcard.getSuperBound() != null);
    }
  }
  return true;
}

Source File: TypeSimplifier.java From RetroFacebook with Apache License 2.0

5 votes

@Override public Void visitWildcard(WildcardType t, Void p) {
  for (TypeMirror bound : new TypeMirror[] {t.getSuperBound(), t.getExtendsBound()}) {
    if (bound != null) {
      visit(bound, p);
    }
  }
  return null;
}

Source File: TypeSimplifier.java From SimpleWeibo with Apache License 2.0

5 votes

@Override public boolean apply(TypeMirror arg) {
  if (arg.getKind() == TypeKind.WILDCARD) {
    WildcardType wildcard = (WildcardType) arg;
    if (wildcard.getExtendsBound() == null || isJavaLangObject(wildcard.getExtendsBound())) {
      // This is <?>, unless there's a super bound, in which case it is <? super Foo> and
      // is erased.
      return (wildcard.getSuperBound() != null);
    }
  }
  return true;
}

Source File: MoreTypes.java From auto-parcel with Apache License 2.0

5 votes

/**
 * Returns a {@link WildcardType} if the {@link TypeMirror} represents a wildcard type
 * or throws an {@link IllegalArgumentException}.
 */
public static WildcardType asWildcard(WildcardType maybeWildcardType) {
    return maybeWildcardType.accept(new CastingTypeVisitor<WildcardType>() {
        @Override
        public WildcardType visitWildcard(WildcardType type, String p) {
            return type;
        }
    }, "wildcard type");
}

Source File: TypeSimplifier.java From SimpleWeibo with Apache License 2.0

5 votes

@Override public Void visitWildcard(WildcardType t, Void p) {
  for (TypeMirror bound : new TypeMirror[] {t.getSuperBound(), t.getExtendsBound()}) {
    if (bound != null) {
      visit(bound, p);
    }
  }
  return null;
}

Source File: TypeSimplifier.java From RetroFacebook with Apache License 2.0

5 votes

@Override public boolean apply(TypeMirror arg) {
  if (arg.getKind() == TypeKind.WILDCARD) {
    WildcardType wildcard = (WildcardType) arg;
    if (wildcard.getExtendsBound() == null || isJavaLangObject(wildcard.getExtendsBound())) {
      // This is <?>, unless there's a super bound, in which case it is <? super Foo> and
      // is erased.
      return (wildcard.getSuperBound() != null);
    }
  }
  return true;
}

javax.lang.model.type.WildcardType Java Examples