Re: Finding substring in character array

From:
Daniel Pitts <newsgroup.spamfilter@virtualinfinity.net>
Newsgroups:
comp.lang.java.programmer
Date:
Thu, 18 Sep 2008 19:25:20 -0700
Message-ID:
<48d30d42$0$19128$7836cce5@newsrazor.net>
Hakan wrote:

One of the classes in "my" application is responsible for reading from,
interpreting and writing to XML files. Until yesterday, I had read the
entire text from the file and created a String out of it. Java's string
handling operations come very handy.

The problem is that some of the original files are really large. The
runtime system reaches a state where it's dry of heap space when
allocating a String for that kind of text. It works with a character
array instead.

Now I lack access to the indexof method, finding the next occurrence of
a given pattern in a String instance. As this is a key operation for
identifying the right tag in the XML file, I need some corresponding
routine to find the spot where a certain sequence of characters can be
found in the char[] array. Is there such a subroutine somewhere off the
shelf? It doesn't seem to be implemented in the java.util.Arrays
package. Thanks in advance.


Just a thought, if you are processing XML, you might consider using a
SAX, rather than reading the file directly.

--
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