SERVICE_SUPPORTS = [
    {
        'key':'twitter',
        'api':API_TYPE_TWITTER,
        'auth':AUTH_TYPE_BASIC,
        'type':SERVICE_TYPE_NO_REQUIRE,
    },
    {
        'key':'hatena_haiku',
        'api':API_TYPE_HATENA_HAIKU,
        'auth':AUTH_TYPE_BASIC,
        'type':SERVICE_TYPE_NO_REQUIRE,
    },
    ...
]

class ApiPlugin():
    DEFAULT_CHANNEL_ID = '1'

    def __init__(self, end_point, auth):
        self.end_point = end_point
        self.auth = auth
        self.error_msg = None

    def isAuthed(self):
        return False
    def getUserInfo(self, params):
        return False
    def getUserChannels(self, params):
        return False
    def getPost(self, params):
        assert( params.has_key('post_id') )

        post_id = params[ 'post_id']
        documents = self.getRecentPosts(params)
        for document in documents:
            if( document['post_id'] == post_id ):
                return document

        raise ApplicationException()

    def getRecentPosts(self, params):
        return []
    def createPost(self, params):
        raise ApplicationException()
    def isCreatePost(self):
        return True
    def deletePost(self, params):
        raise ApplicationException()
    def editPost(self, params):
        raise ApplicationException()

    def createUploadFile(self, params):
        raise ApplicationException()
    def getUploadFiles(self, params):
        raise ApplicationException()
    def deleteUploadFile(self, params):
        raise ApplicationException()

    def getCategories(self, params):
        return []
    def getPostCategories(self, params):
        return []
    def setPostCategories(self, params):
        return True
    def getTrackbackPings(self, params):
        return []
    def canTrackback(self, params={}):
        return False
    def rebuildSite(self, params):
        return True

    def formatTitle(self, title = ''):
        return title
    def formatBody(self, body = ''):
        return body

    boundary = None
    def makeBoundary(self):
        if( self.boundary == None ):
            self.boundary = '----------------------------' + str(int(time.time()))
        return self.boundary

    MULTIPART_CONTENT_TYPE = 'multipart/form-data'
    def makeMultipartHeader(self):
        content_type = ("%s; boundary=%s" % (self.MULTIPART_CONTENT_TYPE, self.makeBoundary()))
        return {'Content-Type':content_type}

    def makeMultipartBody(self, params, exinfo={}):
        boundary = self.makeBoundary()
        orderd = sorted(params.keys())
        s = ''
        for k in orderd:
            s += ( '--' + boundary + "\r\n" )
            if( exinfo.has_key(k) ):
                s += ('Content-Disposition: form-data; name=\"%s\"; filename="%s"\r\n' % (k, exinfo[k]['filename']) )
                s += ('Content-Type: %s' % (exinfo[k]['content-type']) + "\r\n")
                s += ('Content-Length: %s' % len(params[k]) + "\r\n\r\n")
            else:
                s += ('Content-Disposition: form-data; name=\"%s\"\r\n\r\n' % (k) )
            s += (params[k] + "\r\n")
        s += ( '--' + boundary + '--\r\n\r\n' )
        return s