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POSorting JDOM elements using Java API
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18622011
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18622846
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2013-09-04T19:17:51.470
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2013-09-05T14:44:48.233
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2013-09-04T20:12:44.060
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2101310
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text
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I need your help with following issue: In my code I have a list of elements, I need to sort this list according to 2 attributes: season and number. List example: <pre><code><episode_list> <episode id="280" number="13" season="1"> <title><![CDATA[Bowl Game]]></title> </episode> <episode id="314" number="12" season="1"> <title><![CDATA[Piss Test]]></title> </episode> <episode id="730" number="11" season="1"> </code></pre> I use Collections.sort(), but getting exception. As I understand I can't use it with JDOM Elements: <pre><code>List<Element> episodes; Collections.sort(episodes, new Comparator<Element>() { @Override public int compare(Element elem1, Element elem2) { Integer seasonNumber1 = Integer.valueOf(myService.valueOfAttribute("season", elem1)); Integer seasonNumber2 = Integer.valueOf(myService.valueOfAttribute("season", elem2)); int seasonComp = seasonNumber1.compareTo(seasonNumber2); if (seasonComp != 0) { return seasonComp; } else { Integer episodeNumber1 = Integer.valueOf(myService.valueOfAttribute("number", elem1)); Integer episodeNumber2 = Integer.valueOf(myService.valueOfAttribute("number", elem2)); return episodeNumber1.compareTo(episodeNumber2); } } }); Exception: java.util.Collections$UnmodifiableList$1.set(Unknown Source) java.util.Collections.sort(Unknown Source) </code></pre> Actually I don't need sorted xml, the only thing I need is the episode attribute "id" (for the lowest season and the lowest episode number). What could you recommend? I have another implementation, where I go through all elements, but I don't think it's a nice solution...I also can create Java class Episode(id, episode, season), transform List to List and sort it, but also don't think it's a good idea. There is also sortContent method for Element, but I'm not sure how to implement it. I'll appreciate any help.
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<sorting><element><jdom>
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Sorting JDOM elements using Java API
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