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POWhy is my matcher failing?
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  1. POWhy is my matcher failing?
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    copied!<p>I am passing a string into my song parser method and it is failing and I can't figure out why. Every thing is returning null or 0.</p> <p>My parser method is </p> <pre><code> public static Song parseSong(String songString){ Map&lt;String, String&gt; songMap = new HashMap&lt;String, String&gt;(); Pattern pattern = Pattern.compile(".*&lt;key&gt;(.+)&lt;/key&gt;&lt;(.+)&gt;(.+)&lt;/.+&gt;.*\n"); Scanner scanner = new Scanner(songString); if(scanner.hasNext(pattern)) { String line = scanner.next(pattern); Matcher matcher = pattern.matcher(line); MatchResult result = matcher.toMatchResult(); songMap.put(result.group(1), result.group(3)); } int count = 0, rating = 0; try{ count = Integer.parseInt(songMap.get("Play Count")); } catch(Exception e) { //bury this for now will handle when rest is working } try{ rating = Integer.parseInt(songMap.get("Rating")); } catch(Exception e) { //bury this for now will handle when rest is working } return new Song(songMap.get("Name"), songMap.get("Artist"), songMap.get("Album"), songMap.get("Genre"), count, rating, songMap.get("Location")); </code></pre> <p>}</p> <pre><code> String songString = "&lt;key&gt;Track ID&lt;/key&gt;&lt;integer&gt;160&lt;/integer&gt;\n"+ "&lt;key&gt;Name&lt;/key&gt;&lt;string&gt;Ashley&lt;/string&gt;\n"+ " &lt;key&gt;Artist&lt;/key&gt;&lt;string&gt;Escape the Fate&lt;/string&gt;\n"+ " &lt;key&gt;Composer&lt;/key&gt;&lt;string&gt;Luca Gusella&lt;/string&gt;\n"+ " &lt;key&gt;Album&lt;/key&gt;&lt;string&gt;This War Is Ours&lt;/string&gt;\n"+ " &lt;key&gt;Genre&lt;/key&gt;&lt;string&gt;Metal&lt;/string&gt;\n"+ "&lt;key&gt;Kind&lt;/key&gt;&lt;string&gt;AAC audio file&lt;/string&gt;\n"+ " &lt;key&gt;Size&lt;/key&gt;&lt;integer&gt;7968219&lt;/integer&gt;\n"+ " &lt;key&gt;Total Time&lt;/key&gt;&lt;integer&gt;246503&lt;/integer&gt;\n"+ " &lt;key&gt;Track Number&lt;/key&gt;&lt;integer&gt;17&lt;/integer&gt;\n"+ " &lt;key&gt;Year&lt;/key&gt;&lt;integer&gt;2005&lt;/integer&gt;\n"+ " &lt;key&gt;Date Modified&lt;/key&gt;&lt;date&gt;2009-07-27T01:17:29Z&lt;/date&gt;\n"+ " &lt;key&gt;Date Added&lt;/key&gt;&lt;date&gt;2009-07-27T01:17:00Z&lt;/date&gt;\n"+ "&lt;key&gt;Play Count&lt;/key&gt;&lt;integer&gt;150&lt;/integer&gt;\n"+ " &lt;key&gt;Bit Rate&lt;/key&gt;&lt;integer&gt;256&lt;/integer&gt;\n"+ " &lt;key&gt;Sample Rate&lt;/key&gt;&lt;integer&gt;44100&lt;/integer&gt;\n"+ " &lt;key&gt;Comments&lt;/key&gt;&lt;string&gt;\"Amanda\" performed by Aisha Duo from the CD Quiet Songs, courtesy of Obliq Sound. Written by Luca Gusella, published by Editions ObliqMusic (GEMA). All Rights Reserved. Used by Permission. &lt;/string&gt;\n"+ " &lt;key&gt;Skip Count&lt;/key&gt;&lt;integer&gt;1&lt;/integer&gt;\n"+ " &lt;key&gt;Skip Date&lt;/key&gt;&lt;date&gt;2009-07-27T01:46:32Z&lt;/date&gt;\n"+ " &lt;key&gt;Artwork Count&lt;/key&gt;&lt;integer&gt;1&lt;/integer&gt;\n"+ " &lt;key&gt;Persistent ID&lt;/key&gt;&lt;string&gt;A4D6F35FE9F41B58&lt;/string&gt;\n"+ " &lt;key&gt;Track Type&lt;/key&gt;&lt;string&gt;File&lt;/string&gt;\n"+ " &lt;key&gt;Location&lt;/key&gt;&lt;string&gt;file://localhost/C:/Documents%20and%20Settings/MB24244/Desktop/music/07%20Knees.m4a&lt;/string&gt;\n"+ "&lt;key&gt;File Folder Count&lt;/key&gt;&lt;integer&gt;4&lt;/integer&gt;\n"+ "afgjdhfshsgsughghanoise\n"+ "&lt;key&gt;Library Folder Count&lt;/key&gt;&lt;integer&gt;1&lt;/integer&gt;\n"+ "&lt;key&gt;Rating&lt;/key&gt;&lt;integer&gt;100&lt;/integer&gt;"; </code></pre> <p>Can anyone help explain what is wrong with my approach and why the groups aren't working (which is what appears to be the problem)</p>
 

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