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  • Address extraction from emails in Java

    - by Hans Klock
    I'm looking for an Java open-source library which is able to extract address information from a (German) email (signature). The library should find name street city, city code/postal code email tel/fax address-parser.com is an commercial product, but an free (albeit simple) library would be great. stackoverflow.com/questions/16413/parse-usable-street-address-city-state-zip-from-a-string is asking for something similar, but my problem is broader because the address information is hidden in a complete email. And there isn't a solution either... Any ideas?

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  • Reading xml document in firefox

    - by Searock
    I am trying to read customers.xml using javascript. My professor has taught us to read xml using `ActiveXObjectand he has given us an assignment to create a sample login page which checks username and password by reading customers.xml. I am trying to use DOMParser so that it works with firefox. But when I click on Login button I get this error. Error: syntax error Source File: file:///C:/Users/Searock/Desktop/home/project/project/login.html Line: 1, Column: 1 Source Code: customers.xml Here's my code. login.js var xmlDoc = 0; function checkUser() { var user = document.login.txtLogin.value; var pass = document.login.txtPass.value; //xmlDoc = new ActiveXObject("Microsoft.XMLDOM"); /* xmlDoc = document.implementation.createDocument("","",null); xmlDoc.async = "false"; xmlDoc.onreadystatechange = redirectUser; xmlDoc.load("customers.xml"); */ var parser = new DOMParser(); xmlDoc = parser.parseFromString("customers.xml", "text/xml"); alert(xmlDoc.documentElement.nodeName); xmlDoc.async = "false"; xmlDoc.onreadystatechange = redirectUser; } function redirectUser() { alert(''); var user = document.login.txtLogin.value; var pass = document.login.txtPass.value; var log = 0; if(xmlDoc.readyState == 4) { xmlObj = xmlDoc.documentElement; var len = xmlObj.childNodes.length; for(i = 0; i < len; i++) { var nodeElement = xmlObj.childNodes[i]; var userXml = nodeElement.childNodes[0].firstChild.nodeValue; var passXml = nodeElement.childNodes[1].firstChild.nodeValue; var idXML = nodeElement.attributes[0].value if(userXml == user && passXml == pass) { log = 1; document.cookie = escape(idXML); document.login.submit(); } } } if(log == 0) { var divErr = document.getElementById('Error'); divErr.innerHTML = "<b>Login Failed</b>"; } } customers.xml <?xml version="1.0" encoding="UTF-8"?> <customers> <customer custid="CU101"> <user>jack</user> <pwd>PW101</pwd> <email>[email protected]</email> </customer> <customer custid="CU102"> <user>jill</user> <pwd>PW102</pwd> <email>[email protected]</email> </customer> <customer custid="CU103"> <user>john</user> <pwd>PW103</pwd> <email>[email protected]</email> </customer> <customer custid="CU104"> <user>jeff</user> <pwd>PW104</pwd> <email>[email protected]</email> </customer> </customers> I get parsererror message on line alert(xmlDoc.documentElement.nodeName); I don't know what's wrong with my code. Can some one point me in a right direction? Edit : Ok, I found a solution. var xmlDoc = 0; var xhttp = 0; function checkUser() { var user = document.login.txtLogin.value; var pass = document.login.txtPass.value; var err = ""; if(user == "" || pass == "") { if(user == "") { alert("Enter user name"); } if(pass == "") { alert("Enter Password"); } return; } if (window.XMLHttpRequest) { xhttp=new XMLHttpRequest(); } else // IE 5/6 { xhttp=new ActiveXObject("Microsoft.XMLHTTP"); } xhttp.onreadystatechange = redirectUser; xhttp.open("GET","customers.xml",true); xhttp.send(); } function redirectUser() { var log = 2; var user = document.login.txtLogin.value; var pass = document.login.txtPass.value; if (xhttp.readyState == 4) { log = 0; xmlDoc = xhttp.responseXML; var xmlUsers = xmlDoc.getElementsByTagName('user'); var xmlPasswords = xmlDoc.getElementsByTagName('pwd'); var userLen = xmlDoc.getElementsByTagName('customer').length; var xmlCustomers = xmlDoc.getElementsByTagName('customer'); for (var i = 0; i < userLen; i++) { var xmlUser = xmlUsers[i].childNodes[0].nodeValue; var xmlPass = xmlPasswords[i].childNodes[0].nodeValue; var xmlId = xmlCustomers.item(i).attributes[0].nodeValue; if(xmlUser == user && xmlPass == pass) { log = 1; document.cookie = xmlId; document.login.submit(); break; } } } if(log == 0) { alert("Login failed"); } } Thanks.

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  • Question About MP4(AAC) Binary Tree

    - by DeanMc
    I'm in the very early stages of working on a tag editor for mp4 files and more specifically iTunes AAC ones. After doing some snooping around it seems that the file's structure is not as complicated as I first thought and is built in a sort of tree like the following 4 Bytes [Atom Length] 4 Bytes [Atom Name] X Bytes [Atom Data] An atom's data is as large as the length and can contain either Data(information) or another atom. What I am trying to work out is how one determines if the data is information or an actual atom. Any insight would be much appreciated.

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  • I need to parse non well-formed xml data (HTML)

    - by Daziplqa
    Hi, I have some non well-formed xml (HTML) data in JAVA, I used JAXP Dom, but It complains. The Question is :Is there any way to use JAXP to parse such documents ?? I have a file containing data such as : <employee> <name value="ahmed" > <!-- note, this element is not closed, So it is not well-formed xml--> </employee>

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  • "The left hand side of an assignment must be a variable" due to extra parentheses

    - by polygenelubricants
    I know why the following code doesn't compile: public class Main { public static void main(String args[]) { main((null)); // this is fine! (main(null)); // this is NOT! } } What I'm wondering is why my compiler (javac 1.6.0_17, Windows version) is complaining "The left hand side of an assignment must be a variable". I'd expect something like "Don't put parentheses around a method invokation, dummy!", instead. So why is the compiler making a totally unhelpful complaint about something that is blatantly irrelevant? Is this the result of an ambiguity in the grammar? A bug in the compiler? If it's the former, could you design a language such that a compiler would never be so off-base about a syntax error like this?

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  • shift reduce&& reduce reduce errors in build parser for python garmmer

    - by user366580
    i wanna build buttom up parser by java cup i write code in java cup , it is for python language so i used grammer was written in this site : but not all grammer , i choice partial set ,just while , identifer also i smiplified them when i did compile for the java cup that i write by write this command in command prompt window : java java_cup.Main -parser CalcParser -symbols CalcSymbol < javacupfile.cup i get conflict errors ,they are of type reduce-shift conflict and reduce-reduce conflict you can see to print screen of the errors in these links image 1 click here to see imge1 the grammer was in EBNF form in as refernce site and i convert it to BNF form maybe i make mistake in converting so i get such errors the origanl grammmer was // grammer in EBNF form identifier ::= (letter|"_") (letter | digit | "_")* letter ::= lowercase | uppercase lowercase ::= "a"..."z" uppercase ::= "A"..."Z" digit ::= "0"..."9 compound_stmt ::= if_stmt | while_stmt for_stmt ::= "for" target_list "in" expression_list ":" suite ["else" ":" suite] while_stmt ::= "while" expression ":" suite ["else" ":" suite] suite ::= stmt_list NEWLINE stmt_list ::= simple_stmt (";" simple_stmt)* [";"] simple_stmt ::= expression_stmt expression_stmt ::= expression_list expression_list ::= expression ( "," expression )* [","] expression ::= conditional_expression conditional_expression ::= or_test ["if" or_test "else" expression] or_test ::= and_test | or_test "or" and_test and_test ::= not_test | and_test "and" not_test not_test ::= comparison | "not" not_test comparison ::= or_expr ( comp_operator or_expr )* comp_operator ::= "<" | ">" | "==" | ">=" | "<=" | "<>" | "!=" | "is" ["not"] | ["not"] "in" or_expr ::= xor_expr | or_expr "|" xor_expr xor_expr ::= and_expr | xor_expr "^" and_expr and_expr ::= "&" | and_expr the grammer after converting to BNF form identifier ::=letterletter| letterdigit| letter"_"| "_"letter | "_"digit | "_""_" letter ::= lowercase | uppercase lowercase ::= "a"..."z" uppercase ::= "A"..."Z" digit ::= "0"..."9 while_stmt ::= "while" expression ":" suite "else" ":" suite |"while" expression ":" suite suite ::= stmt_list NEWLINE stmt_list ::= simple_stmt ";" simple_stmt stmt_list|";" simple_stmt ::= expression_stmt expression_stmt ::= expression_list expression_list ::= expression "," expression expression_list| "," expression ::= conditional_expression conditional_expression ::= or_test "if" or_test "else" expression |or_test or_test ::= and_test | or_test "or" and_test and_test ::= not_test | and_test "and" not_test not_test ::= comparison | "not" not_test comparison ::= or_expr comp_operator or_expr comp_operator ::= "<" | ">" | "==" | ">=" | "<=" | "<>" | "!=" | "is" ["not"] | ["not"] "in" or_expr ::= xor_expr | or_expr "|" xor_expr xor_expr ::= and_expr | xor_expr "^" and_expr and_expr ::= "&" | and_expr and the java cup file that i compile and get those errors is import java.io.*; terminal COMA; terminal ELSE; terminal WHILE; terminal NEWLINE; terminal SEMCOLON; terminal CAMMA; terminal IF; terminal OR; terminal AND; terminal NOT; terminal LESS; terminal GREATER; terminal EQUAL; terminal GREATERorE; terminal LESSorE; terminal NEQUAL; terminal OROP; terminal XOROP; terminal ANDOP; terminal Integer DIGIT; terminal java.lang.String LOWERCASE; terminal java.lang.String UPPERCASE; non terminal java.lang.String IDENTIFIER; non terminal java.lang.String LETTER; non terminal COMPOUND_STMT; non terminal WHILE_STMT; non terminal EXPRESSION; non terminal SUITE ; non terminal STMT_LIST; non terminal SIMPLE_STMT; non terminal EXPRESSION_STMT; non terminal EXPRESSION_LIST; non terminal CONDITITONAL_EXPRESSION; non terminal OR_TEST; non terminal AND_TEST; non terminal NOT_TEST; non terminal COMPARISON; non terminal COMP_OPERATOR; non terminal OR_EXPR; non terminal XOR_EXPR; non terminal AND_EXPR; IDENTIFIER ::=LETTER{: System.out.printf("lowercase"); :}| {: System.out.printf("uppercase"); :} LETTER{: System.out.printf("lowercase"); :}| {: System.out.printf("uppercase"); :}| LETTER{: System.out.printf("lowercase"); :}| {: System.out.printf("uppercase"); :} DIGIT; LETTER ::= LOWERCASE | UPPERCASE; COMPOUND_STMT ::=WHILE_STMT; WHILE_STMT ::= WHILE{: System.out.printf( "while"); :} EXPRESSION COMA {: System.out.printf(":"); :} SUITE ELSE {: System.out.printf("else" ); :} COMA{: System.out.printf( ":" ); :} SUITE |WHILE{: System.out.printf( "while" ); :} EXPRESSION COMA{: System.out.printf( ":" ); :} SUITE; SUITE ::= STMT_LIST NEWLINE{: System.out.printf( "newline" ); :}; STMT_LIST ::= SIMPLE_STMT SEMCOLON{: System.out.printf( ";" ); :} SIMPLE_STMT STMT_LIST|SEMCOLON{: System.out.printf( ";" ); :}; SIMPLE_STMT ::=EXPRESSION_STMT; EXPRESSION_STMT ::=EXPRESSION_LIST; EXPRESSION_LIST ::= EXPRESSION CAMMA{: System.out.printf( "," ); :} EXPRESSION EXPRESSION_LIST| CAMMA{: System.out.printf( "," ); :}; EXPRESSION ::= CONDITITONAL_EXPRESSION; CONDITITONAL_EXPRESSION ::= OR_TEST IF{: System.out.printf( "if"); :} OR_TEST ELSE{: System.out.printf("else"); :} EXPRESSION |OR_TEST; OR_TEST ::= AND_TEST | OR_TEST OR{: System.out.printf( "or"); :} AND_TEST; AND_TEST ::= NOT_TEST | AND_TEST AND{: System.out.printf( "and"); :} NOT_TEST; NOT_TEST ::= COMPARISON | NOT{: System.out.printf("not"); :} NOT_TEST; COMPARISON ::= OR_EXPR COMP_OPERATOR OR_EXPR ; COMP_OPERATOR ::= LESS{: System.out.printf( "<"); :} | GREATER{: System.out.printf(">"); :} | EQUAL{: System.out.printf("=="); :} | GREATERorE{: System.out.printf(">="); :} | LESSorE{: System.out.printf("<="); :} | NEQUAL{: System.out.printf("!="); :}; OR_EXPR ::= XOR_EXPR | OR_EXPR OROP{: System.out.printf("|"); :} XOR_EXPR; XOR_EXPR ::= AND_EXPR | XOR_EXPR XOROP {: System.out.printf("^"); :}XOR_EXPR; AND_EXPR ::= ANDOP{: System.out.printf("&"); :} | AND_EXPR; can any one told me how can solve this errors to build parser correcrtly??

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  • Regex for retrieving the parameter of the css url function...

    - by Kieron
    Hi, I'm trying to get the url portion of the following string: url(images/ui-bg_highlight-soft_75_cccccc_1x100.png) So the required part if images/ui-bg_highlight-soft_75_cccccc_1x100.png. Currently I've got this: url\((?<url>.*)\) But it seems to be choking on the following example: url(images/ui-bg_flat_0_aaaaaa_40x100.png) 50% 50% repeat-x; opacity: .30;filter:Alpha(Opacity=30) Which results in images/ui-bg_flat_0_aaaaaa_40x100.png) 50% 50% repeat-x; opacity: .30;filter:Alpha(Opacity=30... I'd like to make sure that it supports as many variations as possible (additional whitespace etc). Thanks! Kieron

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  • How to parse ISO formatted date in python?

    - by Big 40wt Svetlyak
    I need to parse strings like that "2008-09-03T20:56:35.450686Z" into the python's datetime? I have found only strptime in the python 2.5 std lib, but it not so convinient. Which is the best way to do that? Update: It seems, that python-dateutil works very well. I have found that solution: d1 = '2008-09-03T20:56:35.450686Z' d2 = dateutil.parser.parse(d1) d3 = d2.astimezone(dateutil.tx.tzutc())

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  • What makes Ometa special?

    - by Brian
    Ometa is "a new object-oriented language for pattern matching." I've encountered pattern matching in languages like Oz tools to parse grammars like Lexx/Yacc or Pyparsing before. Despite looking at example code, reading discussions, and talking to a friend, I still am not able to get a real understanding of what makes Ometa special (or at least, why some people think it is). Any explanation?

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  • How to write regex that searches for a dynamic amount of pairs?

    - by citronas
    Lets say a have a string such as this one: string txt = "Lore ipsum {{abc|prop1=\"asd\";prop2=\"bcd\";}} asd lore ipsum"; The information I want to extract "abc" and pairs like ("prop1","asd") , ("prop3", "bcd") where each pair used a ; as delimeter. Edit1: (based on MikeB's) code Ah, getting close. I found out how to parse the following: string txt = "Lore ipsum {{abc|prop1=\"asd\";prop2=\"http:///www.foo.com?foo=asd\";prop3=\"asd\";prop4=\"asd\";prop5=\"asd\";prop6=\"asd\";}} asd"; Regex r = new Regex("{{(?<single>([a-z0-9]*))\\|((?<pair>([a-z0-9]*=\"[a-z0-9.:/?=]*\";))*)}}", RegexOptions.Singleline | RegexOptions.IgnoreCase); Match m = r.Match(txt); if (m.Success) { Console.WriteLine(m.Groups["single"].Value); foreach (Capture cap in m.Groups["pair"].Captures) { Console.WriteLine(cap.Value); } } Question 1: How must I adjust the regex to say 'each value of a pair in delimited by \" only? I added chars like '.',';' etc, but I can't think of any char that I want to permit. The other way around would be much nicer. Question 2: How must I adjust this regex work with this thing here? string txt = "Lore ipsum {{abc|prop1=\"asd\";prop2=\"http:///www.foo.com?foo=asd\";prop3=\"asd\";prop4=\"asd\";prop5=\"asd\";prop6=\"asd\";}} asd lore ipsum {{aabc|prop1=\"asd\";prop2=\"http:///www.foo.com?foo=asd\";prop3=\"asd\";prop4=\"asd\";prop5=\"asd\";prop6=\"asd\";}}"; Therefore I'd probably try to get groups of {{...}} and use the other regex?

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  • Regular expression in C#

    - by user340015
    i have text something like this. @@MMIVLoader@[email protected]@BCM_7400S_LE@Product@Aug 21 2009@ @@MMIVLib@[email protected]@BCM_7400S_LE@Product@Aug 21 2009@ @@HuaweFGDLDrv@[email protected]@7324@PRODUCT@Aug 20 2009@ @@ProtectVer@[email protected] @BCM_SDE5.03@PRODUCT@Aug 4 2009 06:56:19@ @@KernelSw@[email protected]@BCM-7454@PRODUCT@ Dec 19 2007@ @@ReceiverSw@[email protected]@HWBC01ZS@PRODUCT@May 3 2010@ i want the out put in an array like MMIVLoader 4.1.2 MMIVLib 4.1.2 HuaweFGDLDrv 01.00.09 ProtectVer 127.8.1 KernelSw 0.0.1 ReceiverSw E.5.6.001 Can any one suggest me how to do this in c# using regular expression or is there a any sophisticated way to do this thanks in advance

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  • Weird URL parse issue. (Android)

    - by Tarmon
    I am attempting to parse in a URL to a KML file from maps.google.com. When I try and use this link: http://maps.google.com/maps/ms?ie=UTF8&hl=en&msa=0&msid=112748174025829638330.000483ad6315714cc941d&z=13&output=kml` I am unable to overlay this KML file on my MapView. If I were to take the KML file that I get from following this link and upload it to my Dropbox it will work just fine. I think there may be something about the URL from Google that it doesn't like? Link from dropbox: http://dl.dropbox.com/u/1037184/Blue_original.kml Also it would be better if we could just save these KML files locally and pass them in the same way but I can't figure out a way to do this. Here is the code I am using: Intent mapIntent = new Intent(Intent.ACTION_VIEW); Uri uri1 = Uri.parse("geo:0,0?q=http://code.google.com/apis/kml/ documentation/KML_Samples.kml"); mapIntent.setData(uri1); startActivity(Intent.createChooser(mapIntent, "Test")); The URL used in this example also works. So to recap: I am curious as to why some URLs work and others don't. Is there a way to place this KML file locally on the device and pass it to a Uri object? Any other suggestions? Thanks, Rob

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  • How to get entire input string in Lex and Yacc?

    - by DevDevDev
    OK, so here is the deal. In my language I have some commands, say XYZ 3 5 GGB 8 9 HDH 8783 33 And in my Lex file XYZ { return XYZ; } GGB { return GGB; } HDH { return HDH; } [0-9]+ { yylval.ival = atoi(yytext); return NUMBER; } \n { return EOL; } In my yacc file start : commands ; commands : command | command EOL commands ; command : xyz | ggb | hdh ; xyz : XYZ NUMBER NUMBER { /* Do something with the numbers */ } ; etc. etc. etc. etc. My question is, how can I get the entire text XYZ 3 5 GGB 8 9 HDH 8783 33 Into commands while still returning the NUMBERs? Also when my Lex returns a STRING [0-9a-zA-Z]+, and I want to do verification on it's length, should I do it like rule: STRING STRING { if (strlen($1) < 5 ) /* Do some shit else error */ } or actually have a token in my Lex that returns different tokens depending on length?

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  • .NET regex: Match.nextMatch() never returns

    - by Jimmy
    I have a regex that seems to have worked fine for the past year or so, and all of a sudden today with a new slightly different text to match against, Match.nextMatch() never returns. I'm no regex expert and I'm sure the regex can be optimized, but previous data sets weren't much more complex than what I've tried today. Furthermore, the regex works fine against the offending data set in a tool like RegexBuddy; it's only in .net (running in debug in Visual Studio) that it seems to hang. Nevertheless, if anyone can figure out how to tweak the regex to make it work, I'd really appreciate it. This is the regex: <tr>(<td[^>]*><a[^>]*>(?<callOptionTicker>[A-Z]{1,5}\d{6}C\d{8})</a></td>)(<td[^>]*>.*?</td>){6}(<td[^>]*><b><a[^>]*>(?<strikePrice>\d*\.\d*)</a></b></td>)(<td[^>]*><a[^>]*>(?<putOptionTicker>[A-Z]{1,5}\d{6}P\d{8})</a></td>) It's meant to extract put and call option tickers from a Yahoo option chain page (i.e., raw HTML). It works fine for IBM http://finance.yahoo.com/q/os?s=IBM&m=2010-05-21 It doesn't work for SPX options (this is the offending data set) http://finance.yahoo.com/q/os?s=I:SPX.W&m=2010-05

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  • Extracting email addresses in an html block in ruby/rails

    - by corroded
    I am creating a parser that wards off against spamming and harvesting of emails from a block of text that comes from tinyMCE (so it may or may not have html tags in it) I've tried regexes and so far this has been successful: /\b[A-Z0-9._%+-]+@[A-Z0-9.-]+\.[A-Z]{2,4}\b/i problem is, i need to ignore all email addresses with mailto hrefs. for example: <a href="mailto:[email protected]">[email protected]</a> should only return the second email add. To get a background of what im doing, im reversing the email addresses in a block so the above example would look like this: <a href="mailto:[email protected]">moc.liam@tset</a> problem with my current regex is that it also replaces the one in href. Is there a way for me to do this with a single regex? Or do i have to check for one then the other? Is there a way for me to do this just by using gsub or do I have to use some nokogiri/hpricot magicks and whatnot to parse the mailtos? Thanks in advance! Here were my references btw: so.com/questions/504860/extract-email-addresses-from-a-block-of-text so.com/questions/1376149/regexp-for-extracting-a-mailto-address im also testing using this: http://rubular.com/ edit here's my current helper code: def email_obfuscator(text) text.gsub(/\b[A-Z0-9._%+-]+@[A-Z0-9.-]+\.[A-Z]{2,4}\b/i) { |m| m = "<span class='anti-spam'>#{m.reverse}</span>" } end which results in this: <a target="_self" href="mailto:<span class='anti-spam'>moc.liamg@tset</span>"><span class="anti-spam">moc.liamg@tset</span></a>

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  • Read alphanumeric characters from csv file in C#

    - by Prasad
    I am using the following code to read my csv file: public DataTable ParseCSV(string path) { if (!File.Exists(path)) return null; string full = Path.GetFullPath(path); string file = Path.GetFileName(full); string dir = Path.GetDirectoryName(full); //create the "database" connection string string connString = "Provider=Microsoft.ACE.OLEDB.12.0;" + "Data Source=\"" + dir + "\\\";" + "Extended Properties=\"text;HDR=Yes;FMT=Delimited;IMEX=1\""; //create the database query string query = "SELECT * FROM " + file; //create a DataTable to hold the query results DataTable dTable = new DataTable(); //create an OleDbDataAdapter to execute the query OleDbDataAdapter dAdapter = new OleDbDataAdapter(query, connString); //fill the DataTable dAdapter.Fill(dTable); dAdapter.Dispose(); return dTable; } But the above doesn't reads the alphanumeric value from the csv file. it reads only i either numeric or alpha. Whats the fix i need to make to read the alphanumeric values? Please suggest.

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  • PHP SAX parser for HTML?

    - by Daniel
    Hi. I need HTML SAX (not DOM!) parser for PHP able to process even invalid HTML code. The reason i need it is to filter user entered HTML (remove all attributes and tags except allowed ones) and truncate HTML content to specified length. Any ideas?

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  • How to read XML using XPath in Java

    - by kaibuki
    Hi guys, I want to read XML data using XPath in Java, so for the information I have gathered I am not able to parse XML according to my requirement. here is what I want to do: Get XML file from online via its URL, then use XPath to parse it, I want to create two methods in it. One is in which I enter a specific node attribute id, and I get all the child nodes as result, and second is suppose I just want to get a specific child node value only <?xml version="1.0"?><howto> <topic name="Java"> <url>http://www.rgagnonjavahowto.htm</url> <car>taxi</car> </topic> <topic ame="PowerBuilder"> <url>http://www.rgagnon/pbhowto.htm</url> <url>http://www.rgagnon/pbhowtonew.htm</url> </topic> <topic name="Javascript"> <url>http://www.rgagnon/jshowto.htm</url> </topic> <topic name="VBScript"> <url>http://www.rgagnon/vbshowto.htm</url> </topic></howto> In above example I want to read all the elements if I search via @name and also one function in which I just want the url from @name 'Javascript' only return one node element. I hope I cleared my question :) Thanks. Kai

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  • How to parse a custom XML-style error code response from a website

    - by user1870127
    I'm developing a program that queries and prints out open data from the local transit authority, which is returned in the form of an XML response. Normally, when there are buses scheduled to run in the next few hours (and in other typical situations), the XML response generated by the page is handled correctly by the java.net.URLConnection.getInputStream() function, and I am able to print the individual results afterwards. The problem is when the buses are NOT running, or when some other problem with my queries develops after it is sent to the transit authority's web server. When the authority developed their service, they came up with their own unique error response codes, which are also sent as XMLs. For example, one of these error messages might look like this: <Error xmlns:i="http://www.w3.org/2001/XMLSchema-instance"> <Code>3005</Code> <Message>Sorry, no stop estimates found for given values.</Message> </Error> (This code and similar is all that I receive from the transit authority in such situations.) However, it appears that URLConnection.getInputStream() and some of its siblings are unable to interpret this custom code as a "valid" response that I can handle and print out as an error message. Instead, they give me a more generic HTTP/1.1 404 Not Found error. This problem cascades into my program which then prints out a java.io.FileNotFoundException error pointing to the offending input stream. My question is therefore two-fold: 1. Is there a way to retrieve, parse, and print a custom XML-formatted error code sent by a web service using the plugins that are available in Java? 2. If the above is not possible, what other tools should I use or develop to handle such custom codes as described?

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  • Any Java library for address extraction from emails?

    - by Hans Klock
    I'm looking for an Java open-source library which is able to extract address information from a (German) email (signature). The library should find name street city, city code/postal code email tel/fax address-parser.com is an commercial product, but a free (albeit simple) library would be great. stackoverflow.com/questions/16413/parse-usable-street-address-city-state-zip-from-a-string is asking for something similar, but my problem is broader because the address information is hidden in a complete email. And there isn't a solution either... Any ideas?

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  • How do I process a nested list?

    - by ddbeck
    Suppose I have a bulleted list like this: * list item 1 * list item 2 (a parent) ** list item 3 (a child of list item 2) ** list item 4 (a child of list item 2 as well) *** list item 5 (a child of list item 4 and a grand-child of list item 2) * list item 6 I'd like to parse that into a nested list or some other data structure which makes the parent-child relationship between elements explicit (rather than depending on their contents and relative position). For example, here's a list of tuples containing an item and a list of its children (and so forth): [('list item 1',), ('list item 2', [('list item 3',), [('list item 4', [('list item 5'),]] ('list item 6',)] I've attempted to do this with plain Python and some experimentation with Pyparsing, but I'm not making progress. I'm left with two major questions: What's the strategy I need to employ to make this work? I know recursion is part of the solution, but I'm having a hard time making the connection between this and, say, a Fibonacci sequence. I'm certain I'm not the first person to have done this, but I don't know the terminology of the problem to make fruitful searches for more information on this topic. What problems are related to this so that I can learn more about solving these kinds of problems in general?

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