in tooling/camel-spring-boot-generator-maven-plugin/src/main/java/org/apache/camel/springboot/maven/SpringBootAutoConfigurationMojo.java [895:1009]
private JavaClass readJavaType(String type) {
if (!type.startsWith("java.lang.") && (!type.contains("<") || !type.contains(">"))) {
String sourceCode = "";
try {
Class<?> clazz = getProjectClassLoader().loadClass(type);
URL url = clazz != null
? getProjectClassLoader().getResource(clazz.getName().replace('.', '/') + ".class") : null;
Artifact mainDep = project.getArtifactMap().get(getMainDepGroupId() + ":" + getMainDepArtifactId());
if (url == null || mainDep == null || !url.toString().contains(mainDep.getFile().toURI().toString())) {
return null;
}
JavaClass nestedType = new JavaClass(getProjectClassLoader()).setPackage(clazz.getPackage().getName())
.setName(clazz.getSimpleName()).setEnum(clazz.isEnum()).setClass(!clazz.isInterface())
.setAbstract((clazz.getModifiers() & Modifier.ABSTRACT) != 0)
.setStatic((clazz.getModifiers() & Modifier.STATIC) != 0)
.extendSuperType(clazz.getGenericSuperclass() != null
? new GenericType(clazz.getGenericSuperclass()).toString() : null);
List<java.lang.reflect.Method> publicMethods = Stream.of(clazz.getDeclaredMethods())
.filter(m -> Modifier.isPublic(m.getModifiers())).collect(Collectors.toList());
List<java.lang.reflect.Method> allSetters = publicMethods.stream()
.filter(m -> m.getReturnType() == void.class || m.getReturnType() == clazz)
.filter(m -> m.getParameterCount() == 1)
.filter(m -> m.getName().matches("set[A-Z][a-zA-Z0-9]*")).collect(Collectors.toList());
List<java.lang.reflect.Method> allGetters = publicMethods.stream()
.filter(m -> m.getReturnType() != void.class).filter(m -> m.getParameterCount() == 0)
.filter(m -> m.getName().matches("(get|is)[A-Z][a-zA-Z0-9]*")).collect(Collectors.toList());
allSetters.stream()
.sorted(Comparator.<java.lang.reflect.Method> comparingInt(
m -> getSetterPosition(sourceCode, m)).thenComparing(java.lang.reflect.Method::getName))
.map(m -> StringUtils.uncapitalize(m.getName().substring(3))).forEach(fn -> {
Class<?> ft;
Type wft;
boolean isBoolean;
java.lang.reflect.Field field = Stream.of(clazz.getDeclaredFields())
.filter(f -> f.getName().equals(fn)).findAny().orElse(null);
List<java.lang.reflect.Method> setters = allSetters.stream()
.filter(m -> m.getName().equals("set" + StringUtils.capitalize(fn)))
.collect(Collectors.toList());
List<java.lang.reflect.Method> getters = allGetters.stream()
.filter(m -> m.getName().equals("get" + StringUtils.capitalize(fn))
|| m.getName().equals("is" + StringUtils.capitalize(fn)))
.collect(Collectors.toList());
java.lang.reflect.Method mutator;
java.lang.reflect.Method accessor;
if (setters.size() == 1) {
mutator = setters.get(0);
ft = mutator.getParameterTypes()[0];
wft = PRIMITIVE_CLASSES.getOrDefault(ft, ft);
isBoolean = ft == boolean.class || ft == Boolean.class;
accessor = allGetters.stream()
.filter(m -> m.getName().equals("get" + StringUtils.capitalize(fn))
|| isBoolean && m.getName().equals("is" + StringUtils.capitalize(fn)))
.filter(m -> PRIMITIVE_CLASSES.getOrDefault(m.getReturnType(),
m.getReturnType()) == wft)
.findAny().orElse(null);
} else if (field != null) {
ft = field.getType();
wft = PRIMITIVE_CLASSES.getOrDefault(ft, ft);
isBoolean = ft == boolean.class || ft == Boolean.class;
mutator = allSetters.stream()
.filter(m -> m.getName().equals("set" + StringUtils.capitalize(fn)))
.filter(m -> PRIMITIVE_CLASSES.getOrDefault(m.getParameterTypes()[0],
m.getParameterTypes()[0]) == wft)
.findAny().orElse(null);
accessor = allGetters.stream()
.filter(m -> m.getName().equals("get" + StringUtils.capitalize(fn))
|| isBoolean && m.getName().equals("is" + StringUtils.capitalize(fn)))
.filter(m -> PRIMITIVE_CLASSES.getOrDefault(m.getReturnType(),
m.getReturnType()) == wft)
.findAny().orElse(null);
} else {
if (getters.size() == 1) {
ft = getters.get(0).getReturnType();
} else {
throw new IllegalStateException("Unable to determine type for property " + fn);
}
wft = PRIMITIVE_CLASSES.getOrDefault(ft, ft);
mutator = setters.stream().filter(m -> PRIMITIVE_CLASSES
.getOrDefault(m.getParameterTypes()[0], m.getParameterTypes()[0]) == wft)
.findAny().orElse(null);
accessor = getters.stream().filter(m -> PRIMITIVE_CLASSES
.getOrDefault(m.getReturnType(), m.getReturnType()) == wft).findAny()
.orElse(null);
}
if (mutator == null) {
throw new IllegalStateException("Could not find mutator for property " + fn);
}
Property property = nestedType.addProperty(new GenericType(wft), fn);
property.getMutator().getJavaDoc().setText(getSetterJavaDoc(sourceCode, fn));
for (java.lang.annotation.Annotation ann : mutator.getAnnotations()) {
addAnnotation(ac -> property.getMutator().addAnnotation(ac), ann);
}
if (accessor != null) {
for (java.lang.annotation.Annotation ann : accessor.getAnnotations()) {
addAnnotation(ac -> property.getAccessor().addAnnotation(ac), ann);
}
} else {
property.removeAccessor();
}
if (field != null) {
for (java.lang.annotation.Annotation ann : field.getAnnotations()) {
addAnnotation(ac -> property.getField().addAnnotation(ac), ann);
}
} else {
property.removeField();
}
});
return nestedType;
} catch (ClassNotFoundException e) {
return null;
}
}
return null;
}