javax.annotation.Resource#mappedName ( )源码实例Demo

private String getResourceName(InjectionPoint injectionPoint) {
    Resource resource = getResourceAnnotation(injectionPoint);
    String mappedName = resource.mappedName();
    if (!mappedName.equals("")) {
        return mappedName;
    }
    String name = resource.name();
    if (!name.equals("")) {
        return RESOURCE_LOOKUP_PREFIX + "/" + name;
    }
    String propertyName;
    if (injectionPoint.getMember() instanceof Field) {
        propertyName = injectionPoint.getMember().getName();
    } else if (injectionPoint.getMember() instanceof Method) {
        propertyName = getPropertyName((Method) injectionPoint.getMember());
        if (propertyName == null) {
            throw new IllegalArgumentException("Injection point represents a method which doesn't follow "
                    + "JavaBean conventions (unable to determine property name) " + injectionPoint);
        }
    } else {
        throw new AssertionError("Unable to inject into " + injectionPoint);
    }
    String className = injectionPoint.getMember().getDeclaringClass().getName();
    return RESOURCE_LOOKUP_PREFIX + "/" + className + "/" + propertyName;
}
 

public ResourceElement(Member member, AnnotatedElement ae, @Nullable PropertyDescriptor pd) {
	super(member, pd);
	Resource resource = ae.getAnnotation(Resource.class);
	String resourceName = resource.name();
	Class<?> resourceType = resource.type();
	this.isDefaultName = !StringUtils.hasLength(resourceName);
	if (this.isDefaultName) {
		resourceName = this.member.getName();
		if (this.member instanceof Method && resourceName.startsWith("set") && resourceName.length() > 3) {
			resourceName = Introspector.decapitalize(resourceName.substring(3));
		}
	}
	else if (embeddedValueResolver != null) {
		resourceName = embeddedValueResolver.resolveStringValue(resourceName);
	}
	if (Object.class != resourceType) {
		checkResourceType(resourceType);
	}
	else {
		// No resource type specified... check field/method.
		resourceType = getResourceType();
	}
	this.name = (resourceName != null ? resourceName : "");
	this.lookupType = resourceType;
	String lookupValue = resource.lookup();
	this.mappedName = (StringUtils.hasLength(lookupValue) ? lookupValue : resource.mappedName());
	Lazy lazy = ae.getAnnotation(Lazy.class);
	this.lazyLookup = (lazy != null && lazy.value());
}
 

public ResourceElement(Member member, AnnotatedElement ae, @Nullable PropertyDescriptor pd) {
	super(member, pd);
	Resource resource = ae.getAnnotation(Resource.class);
	String resourceName = resource.name();
	Class<?> resourceType = resource.type();
	this.isDefaultName = !StringUtils.hasLength(resourceName);
	if (this.isDefaultName) {
		resourceName = this.member.getName();
		if (this.member instanceof Method && resourceName.startsWith("set") && resourceName.length() > 3) {
			resourceName = Introspector.decapitalize(resourceName.substring(3));
		}
	}
	else if (embeddedValueResolver != null) {
		resourceName = embeddedValueResolver.resolveStringValue(resourceName);
	}
	if (Object.class != resourceType) {
		checkResourceType(resourceType);
	}
	else {
		// No resource type specified... check field/method.
		resourceType = getResourceType();
	}
	this.name = (resourceName != null ? resourceName : "");
	this.lookupType = resourceType;
	String lookupValue = resource.lookup();
	this.mappedName = (StringUtils.hasLength(lookupValue) ? lookupValue : resource.mappedName());
	Lazy lazy = ae.getAnnotation(Lazy.class);
	this.lazyLookup = (lazy != null && lazy.value());
}
 

public ResourceElement(Member member, AnnotatedElement ae, PropertyDescriptor pd) {
	super(member, pd);
	Resource resource = ae.getAnnotation(Resource.class);
	String resourceName = resource.name();
	Class<?> resourceType = resource.type();
	this.isDefaultName = !StringUtils.hasLength(resourceName);
	if (this.isDefaultName) {
		resourceName = this.member.getName();
		if (this.member instanceof Method && resourceName.startsWith("set") && resourceName.length() > 3) {
			resourceName = Introspector.decapitalize(resourceName.substring(3));
		}
	}
	else if (embeddedValueResolver != null) {
		resourceName = embeddedValueResolver.resolveStringValue(resourceName);
	}
	if (resourceType != null && Object.class != resourceType) {
		checkResourceType(resourceType);
	}
	else {
		// No resource type specified... check field/method.
		resourceType = getResourceType();
	}
	this.name = resourceName;
	this.lookupType = resourceType;
	String lookupValue = (lookupAttribute != null ?
			(String) ReflectionUtils.invokeMethod(lookupAttribute, resource) : null);
	this.mappedName = (StringUtils.hasLength(lookupValue) ? lookupValue : resource.mappedName());
	Lazy lazy = ae.getAnnotation(Lazy.class);
	this.lazyLookup = (lazy != null && lazy.value());
}
 

public ResourceElement(Member member, AnnotatedElement ae, PropertyDescriptor pd) {
	super(member, pd);
	Resource resource = ae.getAnnotation(Resource.class);
	String resourceName = resource.name();
	Class<?> resourceType = resource.type();
	this.isDefaultName = !StringUtils.hasLength(resourceName);
	if (this.isDefaultName) {
		resourceName = this.member.getName();
		if (this.member instanceof Method && resourceName.startsWith("set") && resourceName.length() > 3) {
			resourceName = Introspector.decapitalize(resourceName.substring(3));
		}
	}
	else if (beanFactory instanceof ConfigurableBeanFactory){
		resourceName = ((ConfigurableBeanFactory) beanFactory).resolveEmbeddedValue(resourceName);
	}
	if (resourceType != null && Object.class != resourceType) {
		checkResourceType(resourceType);
	}
	else {
		// No resource type specified... check field/method.
		resourceType = getResourceType();
	}
	this.name = resourceName;
	this.lookupType = resourceType;
	this.mappedName = resource.mappedName();
	Lazy lazy = ae.getAnnotation(Lazy.class);
	this.lazyLookup = (lazy != null && lazy.value());
}