Java 类org.gradle.api.internal.AbstractTask 实例源码

@Override
public <S extends TaskInternal> S create(String name, final Class<S> type) {
    if (!Task.class.isAssignableFrom(type)) {
        throw new InvalidUserDataException(String.format(
                "Cannot create task of type '%s' as it does not implement the Task interface.",
                type.getSimpleName()));
    }

    final Class<? extends Task> generatedType;
    if (type.isAssignableFrom(DefaultTask.class)) {
        generatedType = generator.generate(DefaultTask.class);
    } else {
        generatedType = generator.generate(type);
    }

    return type.cast(AbstractTask.injectIntoNewInstance(project, name, type, new Callable<Task>() {
        public Task call() throws Exception {
            try {
                return instantiator.newInstance(generatedType);
            } catch (ObjectInstantiationException e) {
                throw new TaskInstantiationException(String.format("Could not create task of type '%s'.", type.getSimpleName()),
                        e.getCause());
            }
        }
    }));
}

private TaskInternal createTaskObject(ProjectInternal project, final Class<? extends TaskInternal> type, String name, boolean generateGetters) {
    if (!Task.class.isAssignableFrom(type)) {
        throw new InvalidUserDataException(String.format(
                "Cannot create task of type '%s' as it does not implement the Task interface.",
                type.getSimpleName()));
    }

    final Class<? extends TaskInternal> generatedType;
    if (generateGetters) {
        generatedType = generator.generate(type);
    } else {
        generatedType = type;
    }

    return AbstractTask.injectIntoNewInstance(project, name, new Callable<TaskInternal>() {
        public TaskInternal call() throws Exception {
            try {
                return instantiator.newInstance(generatedType);
            } catch (ObjectInstantiationException e) {
                throw new TaskInstantiationException(String.format("Could not create task of type '%s'.", type.getSimpleName()),
                        e.getCause());
            }
        }
    });
}

private TaskInternal createTaskObject(ProjectInternal project, final Class<? extends TaskInternal> type, String name, boolean generateGetters) {
    if (!Task.class.isAssignableFrom(type)) {
        throw new InvalidUserDataException(String.format(
                "Cannot create task of type '%s' as it does not implement the Task interface.",
                type.getSimpleName()));
    }

    final Class<? extends TaskInternal> generatedType;
    if (generateGetters) {
        generatedType = generator.generate(type);
    } else {
        generatedType = type;
    }

    return AbstractTask.injectIntoNewInstance(project, name, new Callable<TaskInternal>() {
        public TaskInternal call() throws Exception {
            try {
                return instantiator.newInstance(generatedType);
            } catch (ObjectInstantiationException e) {
                throw new TaskInstantiationException(String.format("Could not create task of type '%s'.", type.getSimpleName()),
                        e.getCause());
            }
        }
    });
}

public void attachActions(PropertyInfo parent, Class<?> type) {
    Class<?> superclass = type.getSuperclass();
    if (!(superclass == null
            // Avoid reflecting on classes we know we don't need to look at
            || superclass.equals(ConventionTask.class) || superclass.equals(DefaultTask.class)
            || superclass.equals(AbstractTask.class) || superclass.equals(Object.class)
    )) {
        attachActions(parent, superclass);
    }

    for (Method method : type.getDeclaredMethods()) {
        if (!isGetter(method)) {
            continue;
        }

        String name = method.getName();
        int prefixLength = name.startsWith("is") ? 2 : 3; // it's 'get' if not 'is'.
        String fieldName = StringUtils.uncapitalize(name.substring(prefixLength));
        String propertyName = fieldName;
        if (parent != null) {
            propertyName = parent.getName() + '.' + propertyName;
        }
        PropertyInfo propertyInfo = new PropertyInfo(type, this, parent, propertyName, method);

        attachValidationActions(propertyInfo, fieldName);

        if (propertyInfo.required) {
            properties.add(propertyInfo);
        }
    }
}

public void attachActions(PropertyInfo parent, Class<?> type) {
    Class<?> superclass = type.getSuperclass();
    if (!(superclass == null
            // Avoid reflecting on classes we know we don't need to look at
            || superclass.equals(ConventionTask.class) || superclass.equals(DefaultTask.class)
            || superclass.equals(AbstractTask.class) || superclass.equals(Object.class)
    )) {
        attachActions(parent, superclass);
    }

    for (Method method : type.getDeclaredMethods()) {
        if (!isGetter(method)) {
            continue;
        }

        String name = method.getName();
        int prefixLength = name.startsWith("is") ? 2 : 3; // it's 'get' if not 'is'.
        String fieldName = StringUtils.uncapitalize(name.substring(prefixLength));
        String propertyName = fieldName;
        if (parent != null) {
            propertyName = parent.getName() + '.' + propertyName;
        }
        PropertyInfo propertyInfo = new PropertyInfo(type, this, parent, propertyName, method);

        attachValidationActions(propertyInfo, fieldName);

        if (propertyInfo.required) {
            properties.add(propertyInfo);
        }
    }
}