--- ECHO_content/ECHO_collection.py	2007/02/20 15:55:21	1.285
+++ ECHO_content/ECHO_collection.py	2007/03/09 17:57:13	1.286
@@ -42,6 +42,7 @@ from Products.ZCatalog.CatalogPathAwaren
 from Products.ZCTextIndex.ZCTextIndex import manage_addLexicon
 
 import urllib
+import urllib2
 import cgi
 import smtplib
 import time
@@ -74,8 +75,8 @@ try:
 except:
     print "no echo_language"
     class ECHO_language:
-    	""" leere Klasse"""
-	pass
+        """ leere Klasse"""
+        pass
 
 from ECHO_movie import *
 import vlp_xmlhelpers #TODO: vlp elemente aus echo herausnehmen
@@ -89,9 +90,9 @@ def logger(txt,method,txt2):
     logging.info(txt+ txt2)
 
 def normalizeCt(str):
-	"""normalizes content_type"""
-	#str= str.replace(" ","_")
-	return str.replace("-"," ").lower()
+        """normalizes content_type"""
+        #str= str.replace(" ","_")
+        return str.replace("-"," ").lower()
 
 def setECHO_collectionInformation(self,title,label,description,contentType,responsible,credits,weight,coordstrs=""):
 
@@ -363,7 +364,7 @@ class ECHO_fullText(ZopePageTemplate,ECH
         def getPage(self,nr='1'):
                 """get page n"""
                 #return self().encode('latin-1','ignore')
-		try:
+                try:
                    dom=xml.dom.minidom.parseString(self())
                 except:
                    dom=xml.dom.minidom.parseString(self().encode('latin-1'))
@@ -1330,7 +1331,7 @@ class ECHO_resource(CatalogAware,Folder,
                 #caching
                 if not hasattr(self,'_v_mapHash'): #noch keine cachevariable
                     self._v_mapHash={}
-		
+                
                 
 
                 tmp=self._v_mapHash.get(ct,None) 
@@ -1519,7 +1520,7 @@ class ECHO_resource(CatalogAware,Folder,
         tags=self.findTagsFromMapping(normalizeCt(self.contentType))
         self.referencetypes=tags[2]
         for referenceTypeF in self.referencetypes:
-	        
+                
                 
                 if normalizeCt(referenceTypeF[1].title) == normalizeCt(referenceType.lower()):
 
@@ -1771,8 +1772,8 @@ class ECHO_externalLink(Folder,ECHO_basi
         self.responsible=responsible
         coordsnew=[ string.split(x,",") for x in coords]
         self.coords=coordsnew
-	self.linkType = linkType 	# Linktypen 'otherPresentation','external'
-	
+        self.linkType = linkType        # Linktypen 'otherPresentation','external'
+        
 
     def ECHO_externalLink_config(self):
         """Main configuration"""
@@ -1793,20 +1794,32 @@ class ECHO_externalLink(Folder,ECHO_basi
         setECHO_collectionInformation(self,title,label,description,contentType,responsible,credits,weight)
 
         self.link=link
-	self.linkType = linkType
+        self.linkType = linkType
         if RESPONSE is not None:
             RESPONSE.redirect('manage_main')
-	    
+            
     def getLinkType(self):
         """ return linkType """
         if hasattr(self,"linkType"):
-		return self.linkType
-	else :
-		return 'otherPresentation'
+                return self.linkType
+        else :
+                return 'otherPresentation'
 
     def setLinkType(self,type):
         """ set linkType """
         self.linkType = type
+        
+    def checkLink(self):
+        """ returns tuple (isWorking,Error) """        
+        try:
+            urllib2.urlopen(self.link)
+            return (True, '')
+        except urllib2.HTTPError, e:
+            return (False, e.code)
+        except urllib2.URLError, e:
+            return (False, str(e.reason))
+        except:
+            return (False, 'unknown Error')
             
             
     manage_options = (
@@ -1819,7 +1832,7 @@ class ECHO_externalLink(Folder,ECHO_basi
         """standard page"""
         
         return self.REQUEST.RESPONSE.redirect(self.link)
-	    
+            
 
 def manage_addECHO_externalLinkForm(self):
         """Form for external Links"""
@@ -2669,7 +2682,7 @@ class ECHO_collection(CatalogAware, Fold
         self.secondaryLinkTitle=secondaryLinkTitle
         self.secondaryLink=secondaryLink
         self.bgcolour=bgcolour
-	self.isVisible=isVisible
+        self.isVisible=isVisible
         
 
     manage_options = Folder.manage_options+ Cacheable.manage_options+(
@@ -2725,7 +2738,7 @@ class ECHO_collection(CatalogAware, Fold
         self.isAlwaysClickable=isAlwaysClickable
         self.prefix=prefix[0:]
         self.suffix=suffix[0:]
-	self.setIsVisible(isVisible)
+        self.setIsVisible(isVisible)
         
         setECHO_collectionInformation(self,title,label,description,contentType,responsible,credits,weight)