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# Licensed to the Apache Software Foundation (ASF) under one
# or more contributor license agreements. See the NOTICE file
# distributed with this work for additional information
# regarding copyright ownership. The ASF licenses this file
# to you under the Apache License, Version 2.0 (the
# "License"); you may not use this file except in compliance
# with the License. You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing,
# software distributed under the License is distributed on an
# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
# KIND, either express or implied. See the License for the
# specific language governing permissions and limitations
# under the License.
#
#
import xml.etree.ElementTree, datetime, os.path, os
ns = "./{http://tuscany.apache.org/samples/alerter}"
def getSavedAlerts():
# Set up some default config data
alertsData = "<alerts xmlns=\"http://tuscany.apache.org/samples/alerter\">\n</alerts>"
if os.path.isfile(os.environ['TUSCANY_SCACPP_ROOT']+"/sample.display/alerts.xml"):
# Retrieve the configuration from a file
f = open(os.environ['TUSCANY_SCACPP_ROOT']+"/sample.display/alerts.xml")
try:
alertsData = f.read()
finally:
f.close()
alertsElem = xml.etree.ElementTree.XML(alertsData)
return alertsElem
def saveAlerts(alertsElem):
alertsData = xml.etree.ElementTree.tostring(alertsElem)
# Save the configuration to a file
f = open(os.environ['TUSCANY_SCACPP_ROOT']+"/sample.display/alerts.xml", "w")
if not f:
print "Failed to open alerts file for writing"
try:
f.write(alertsData)
finally:
f.close()
def updateAllAlertsHTMLTable ():
alertsElem = getSavedAlerts()
# Use the alertService reference
newAlertsElem = alertService.getAllNewAlerts()
#newAlertsElem = getAllNewAlerts(); # For testing
for alert in newAlertsElem.findall(ns+"alert"):
alert.attrib["unread"]="True"
alertsElem.append(alert)
return generateHTMLTable(alertsElem)
def updateSourceAlertsHTMLTable (sourceId):
alertsElem = getSavedAlerts()
# Use the alertService reference
newAlertsElem = alertService.getNewAlerts(sourceId);
#newAlertsElem = getAllNewAlerts(); # For testing
for alert in newAlertsElem.findall(ns+"alert"):
alert.attrib["unread"]="True"
alertsElem.append(alert)
return generateHTMLTable(alertsElem)
def generateHTMLTable (alertsElem):
returnData = "<TABLE border=\"0\">"
# If we have more than x alerts, clear out any that have been read
# x is determined by the showNumberOfReadAlerts property
alerts = alertsElem.findall(ns+"alert")
if len(alerts) > int(showNumberOfReadAlerts):
for alert in alerts:
if alert.attrib["unread"]!="True":
alertsElem.remove(alert)
alertIDNumber = 0
for alert in alertsElem.findall(ns+"alert"):
date = datetime.datetime.strptime(alert.find(ns+"date").text, "%Y-%m-%dT%H:%M:%S")
alertID = "alert_"+str(alertIDNumber)
alert.attrib["id"]= alertID
alertIDNumber += 1
returnData += "<TR class=\"source_"
returnData += alert.attrib["sourceid"]
returnData += " clickable\" onclick=\"displayAlert('"
address = alert.find(ns+"address").text
if address != None:
returnData += address
returnData += "', '"+alertID+"')\"><TD><SPAN id=\""+alertID+"\" class=\""
if alert.attrib["unread"] == "True":
returnData += "unread_title"
else:
returnData += "read_title"
returnData += "\">"
title = alert.find(ns+"title").text
noOfChars = 75-len(title)
if noOfChars>0:
returnData += title
returnData += "</SPAN><SPAN class=\"summary\"> - "
returnData += alert.find(ns+"summary").text[0:noOfChars]
returnData += "...</SPAN></TD><TD>"
else:
returnData += title[0:80]
returnData += "</SPAN></TD><TD>"
returnData += date.strftime("%d/%m/%Y %I:%M %p")
returnData += "</TD></TR>\n"
returnData += "</TABLE>"
saveAlerts(alertsElem)
#print xml.etree.ElementTree.tostring(alertsElem)
return returnData
def readAlert (alertID):
alertsElem = getSavedAlerts()
returnData = ""
for alert in alertsElem.findall(ns+"alert"):
if alert.attrib["id"]==alertID:
alert.attrib["unread"] = "False"
saveAlerts(alertsElem)
srcType = getSourceType(alert.attrib["sourceid"])
if srcType=="pop":
returnData += "<PRE>"
returnData += alert.find(ns+"summary").text
returnData += "</PRE>"
return returnData
return
def getSourceType(sourceid):
# Use the alertService reference
alertSources = alertService.getAlertSources()
#alertSources = getAlertSources() #testing
for source in alertSources.findall(ns+"source"):
if sourceid == source.attrib["id"]:
return source.attrib["type"]
return "none"
def getAlertSourcesHTMLTable():
returnData = "<TABLE border=\"0\">\n"
# Use the alertService reference
alertSources = alertService.getAlertSources()
#alertSources = getAlertSources() #testing
srcIdList = []
for source in alertSources.findall(ns+"source"):
srcId = source.attrib["id"]
srcIdList.append(srcId)
srcType = source.attrib["type"]
# Write out the source data row
returnData += "<TR CLASS=\"source_"
returnData += srcId
returnData += "\"><TD CLASS=\"clickable\" ONCLICK=\"displayAlert('"
returnData += source.find(ns+"address").text
returnData += "', '')\">"
returnData += "<IMG SRC=\""
returnData += srcType
returnData += ".png\"/> "
returnData += source.find(ns+"name").text
returnData += "</TD><TD CLASS=\"clickable link\" ONCLICK=\"getAlerts('"
returnData += srcId
returnData += "')\">Update Alerts</TD><TD CLASS=\"clickable link\" ONCLICK=\"showEditSource('"
returnData += srcId
returnData += "')\">Edit Source</TD><TD CLASS=\"clickable link\" ONCLICK=\"deleteSource('"
returnData += srcId
returnData += "')\">Delete Source</TD></TR>\n"
# Now write out the row that gets shown when "edit" is pressed
returnData += "<TR ID=\"edit_source_"
returnData += srcId
returnData += "\" CLASS=\"hidden source_"
returnData += srcId
returnData += "\"><TD COLSPAN=\"4\"><TABLE CLASS=\"sourceDetailsTable\"><TR><TD>Source name:</TD><TD><INPUT ID=\"source_"
returnData += srcId
returnData += "_name\" TYPE=\"TEXT\" SIZE=\"50\" VALUE=\""
returnData += source.find(ns+"name").text
returnData += "\"/></TR><TR><TD>Source address:</TD><TD><INPUT ID=\"source_"
returnData += srcId
returnData += "_address\" TYPE=\"TEXT\" SIZE=\"50\" VALUE=\""
returnData += source.find(ns+"address").text
returnData += "\"/></TR>"
if srcType=="rss":
returnData += "<TR><TD>Feed address:</TD><TD><INPUT ID=\"source_"
returnData += srcId
returnData += "_feedAddress\" TYPE=\"TEXT\" SIZE=\"50\" VALUE=\""
returnData += source.find(ns+"feedAddress").text
returnData += "\"/></TR>"
elif srcType=="pop":
returnData += "<TR><TD>POP3 server:</TD><TD><INPUT ID=\"source_"
returnData += srcId
returnData += "_popServer\" TYPE=\"TEXT\" SIZE=\"50\" VALUE=\""
returnData += source.find(ns+"popServer").text
returnData += "\"/></TR>"
returnData += "<TR><TD>Username:</TD><TD><INPUT ID=\"source_"
returnData += srcId
returnData += "_popUsername\" TYPE=\"TEXT\" SIZE=\"50\" VALUE=\""
returnData += source.find(ns+"popUsername").text
returnData += "\"/></TD></TR>"
returnData += "<TR><TD>Password:</TD><TD><INPUT ID=\"source_"
returnData += srcId
returnData += "_popPassword\" TYPE=\"PASSWORD\" SIZE=\"50\" VALUE=\""
returnData += source.find(ns+"popPassword").text
returnData += "\"/></TD></TR>"
returnData += "<TR><TD><INPUT ID=\"source_"
returnData += srcId
returnData += "_type\" TYPE=\"HIDDEN\" VALUE=\""
returnData += srcType
returnData += "\"/><INPUT TYPE=\"BUTTON\" VALUE=\"Update\" ONCLICK=\"updateSource('"
returnData += srcId
returnData += "')\"><INPUT TYPE=\"BUTTON\" VALUE=\"Cancel\" ONCLICK=\"hideEditSource('"
returnData += srcId
returnData += "')\"></TR></TABLE></TD></TR>"
# Get the first unused srcId
srcId = "0"
while srcId in srcIdList:
srcId = str(int(srcId)+1)
# Now write out the "add new source" row
returnData += "<TR CLASS=\"source_"
returnData += srcId
returnData += "\"><TD COLSPAN=\"4\" CLASS=\"clickable link\" ONCLICK=\"showAddNewSource('"
returnData += srcId
returnData += "')\">Add new Alert Source</TD></TR>"
# Add the (initially hidden) new source details row
returnData += "<TR ID=\"add_source_"
returnData += srcId
returnData += "\"CLASS=\"hidden source_"
returnData += srcId
returnData += "\"><TD COLSPAN=\"4\"><TABLE CLASS=\"sourceDetailsTable\"><TR><TD>Source name:</TD><TD><INPUT ID=\"source_"
returnData += srcId
returnData += "_name\" TYPE=\"TEXT\" SIZE=\"50\"/></TD></TR><TR><TD>Source address:</TD><TD><INPUT ID=\"source_"
returnData += srcId
returnData += "_address\" TYPE=\"TEXT\" SIZE=\"50\"/></TD></TR><TR><TD>Source type:</TD><TD><SELECT ID=\"source_"
returnData += srcId
returnData += "_type\" ONCHANGE=\"showSourceType('"
returnData += srcId
returnData += "')\"><OPTION value=\"rss\" selected=\"selected\">RSS/Atom feed</OPTION>"
returnData += "<OPTION value=\"pop\">POP3 Email</OPTION></SELECT></TD></TR>"
# Section for RSS feeds
returnData += "<TR ID=\"add_rss_source\"><TD COLSPAN=\"2\"><TABLE CLASS=\"sourceDetailsTable\"><TR><TD>Feed address:</TD><TD><INPUT ID=\"source_"
returnData += srcId
returnData += "_feedAddress\" TYPE=\"TEXT\" SIZE=\"50\"/></TD></TR></TABLE></TD></TR>"
# Section for POP3 email
returnData += "<TR ID=\"add_pop_source\" CLASS=\"hidden\"><TD COLSPAN=\"2\"><TABLE CLASS=\"sourceDetailsTable\"><TR><TD>POP3 server:</TD><TD><INPUT ID=\"source_"
returnData += srcId
returnData += "_popServer\" TYPE=\"TEXT\" SIZE=\"50\"/></TR>"
returnData += "<TR><TD>Username:</TD><TD><INPUT ID=\"source_"
returnData += srcId
returnData += "_popUsername\" TYPE=\"TEXT\" SIZE=\"50\"/></TD></TR>"
returnData += "<TR><TD>Password:</TD><TD><INPUT ID=\"source_"
returnData += srcId
returnData += "_popPassword\" TYPE=\"PASSWORD\" SIZE=\"50\"/></TD></TR></TABLE></TD></TR>"
# Last row for buttons
returnData += "<TR><TD><INPUT TYPE=\"BUTTON\" VALUE=\"Add\" ONCLICK=\"addSource('"
returnData += srcId
returnData += "')\"><INPUT TYPE=\"BUTTON\" VALUE=\"Cancel\" ONCLICK=\"hideAddNewSource('"
returnData += srcId
returnData += "')\"></TD></TR></TABLE></TD></TR>"
returnData += "</TABLE>\n"
return returnData
def deleteAlertSource (sourceId):
# Use the alertService reference
alertService.removeAlertSource(sourceId)
# Remove all alerts with this sourceid
alertsElem = getSavedAlerts()
for alert in alertsElem.findall(ns+"alert"):
if alert.attrib["sourceid"]==sourceId:
alertsElem.remove(alert)
saveAlerts(alertsElem)
def addAlertSource(alertSourceElem):
if xml.etree.ElementTree.iselement(alertSourceElem):
# Use the alertService reference
alertService.addAlertSource(alertSourceElem)
return
def updateAlertSource(alertSourceElem):
if xml.etree.ElementTree.iselement(alertSourceElem):
alertsElem = getSavedAlerts()
# Get the sourceid
sourceId = alertSourceElem.attrib["id"]
# Remove all alerts with this sourceid - they may have changed
for alert in alertsElem.findall(ns+"alert"):
if alert.attrib["sourceid"]==sourceId:
alertsElem.remove(alert)
# Use the alertService reference to update the config
alertService.updateAlertSource(alertSourceElem)
saveAlerts(alertsElem)
return
# # For testing
# showNumberOfReadAlerts = 3
#
# def getAllNewAlerts ():
#
# data = "<alerts xmlns=\"http://tuscany.apache.org/samples/alerter\">"
#
# data += "<alert sourceid=\"0\" id=\"alert_0\"><title>Arrests over 'terror kidnap plot'</title>"
# data += "<summary>Anti-terror police arrest eight people in Birmingham over an alleged plot to kidnap a member of the armed forces.</summary>"
# data += "<address>http://news.bbc.co.uk/go/rss/-/1/hi/uk/6315989.stm</address><date>2007-01-31T15:34:18</date></alert>"
#
# data += "</alerts>"
#
# return xml.etree.ElementTree.XML(data)
#
# print getAlertsHTMLTable () + "\n"
#
# readAlert("http://news.bbc.co.uk/go/rss/-/1/hi/uk/6315989.stm")
#
# print getAlertsHTMLTable () + "\n"
#
# def getAlertSources ():
#
# data = "<config xmlns=\"http://tuscany.apache.org/samples/alerter\">"
# data += "<source id=\"0\" type=\"rss\"><name>BBC News</name>"
# data += "<address>http://news.bbc.co.uk/</address>"
# data += "<lastChecked>2007-02-02T10:08:40</lastChecked>"
# data += "<feedAddress>http://newsrss.bbc.co.uk/rss/newsonline_uk_edition/front_page/rss.xml</feedAddress></source>"
# data += "</config>"
# return xml.etree.ElementTree.XML(data)
#
# print getAlertSourcesHTMLTable()
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