Java Mailing List Archive

http://www.junlu.com/

Home » Home (12/2007) » JDOM User »

Re: [jdom-interest] setIndent("") doesn't work as expected

William Krick

2006-09-07

Replies:

Hmmm... I can't subclass Format because the constructor is private.
Any other ideas?


Quoting wkrick@(protected):

> So is this a bug or is it by design?
>
> If it's a bug, how do I make sure it gets fixed in the JDOM 1.1 release?
>
>
>
> Quoting Laurent Bihanic <laurent.bihanic@(protected)>:
>
>> The problem comes from XMLOutputter itself:
>>   private void newline(Writer out) throws IOException {
>>     if (currentFormat.indent != null) {
>>        out.write(currentFormat.lineSeparator);
>>     }
>>   }
>> No indent, no newlines!
>>
>> The easiest way to fix this is to create your own subclass of Format
>> and override setIndent() to distinguish between "" and null.
>> Here's the current code:
>>   public Format setIndent(String indent) {
>>     // if passed the empty string, change it to null, for marginal
>>     // performance gains later (can compare to null first instead
>>     // of calling equals())
>>     if ("".equals(indent)) {
>>        indent = null;
>>     }
>>     this.indent = indent;
>>     return this;
>>   }
>> Remove the test on "" and XMLOutputter will behave as you expect.
>>
>> Laurent
>>
>> wkrick@(protected) :
>>> I'm currently outputting my document with the PrettyFormat...
>>>
>>> Format fmt = Format.getPrettyFormat();
>>> fmt.setTextMode(Format.TextMode.PRESERVE);
>>> XMLOutputter outputter = new XMLOutputter(fmt);
>>>
>>> ...and it works as expected, outputting one start/end tag per line.
>>> However, when I try to remove the indents on each line like this...
>>>
>>> Format fmt = Format.getPrettyFormat();
>>> fmt.setTextMode(Format.TextMode.PRESERVE);
>>> fmt.setIndent("");
>>> XMLOutputter outputter = new XMLOutputter(fmt);
>>>
>>> ...it removes all indents _AND_ newlines, compressing my whole  
>>> document into a single line of output.
>>>
>>> I'm confused...
>>>
>>> fmt.setIndent(" "); adds a two space indent
>>> fmt.setIndent(" "); adds a one space indent
>>> fmt.setIndent(""); no indent and removes newline on previous line?
>>>
>>> I'm suspecting that the problem has something to do with...
>>>
>>> fmt.setTextMode(Format.TextMode.PRESERVE);
>>>
>>> ...but I need that mode to keep padding that's present in my document.
>>>
>>>
>>> Basically, given a document that looks like this...
>>>
>>> <FOO><BAR>   12345</BAR><BAR>   67890</BAR></FOO>
>>>
>>> ...I need the output to look like this...
>>>
>>> <FOO>
>>> <BAR>   12345</BAR>
>>> <BAR>   67890</BAR>
>>> </FOO>
>>>
>>> ...instead of this...
>>>
>>> <FOO>
>>> <BAR>   12345</BAR>
>>> <BAR>   67890</BAR>
>>> </FOO>
>>>
>>> ...but I can't seem to find the magic incantation that works.
>>>
>>> Is this possible?
>> _______________________________________________
>> To control your jdom-interest membership:
>> http://www.jdom.org/mailman/options/jdom-interest/youraddr@(protected)



_______________________________________________
To control your jdom-interest membership:
http://www.jdom.org/mailman/options/jdom-interest/youraddr@(protected)
©2008 junlu.com - Jax Systems, LLC, U.S.A.