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Adjust filetype: query modifier parameter to lower case

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to prevent mismatch on user input with mixed case
Internally file extension are always compared lowercase.
This commit is contained in:
reger 2017-09-29 00:26:30 +02:00
parent ff87b1c5e2
commit ba60f65040
1 changed files with 4 additions and 2 deletions
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6
source/net/yacy/search/query/QueryModifier.java
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@ -221,6 +221,7 @@ public class QueryModifier {
/**
* Parse query string for filetype (file extension) parameter
* and adjust parameter to lowercase
* @param querystring
* @param filetypePrefix "filetype:"
* @return querystring with filetype parameter removed
@ -230,8 +231,9 @@ public class QueryModifier {
if ( ftp >= 0 ) {
int ftb = querystring.indexOf(' ', ftp);
if ( ftb < 0 ) ftb = querystring.length();
filetype = querystring.substring(ftp + filetypePrefix.length(), ftb);
querystring = querystring.replace(filetypePrefix + filetype, "");
String tmpqueryparameter = querystring.substring(ftp + filetypePrefix.length(), ftb);
querystring = querystring.replace(filetypePrefix + tmpqueryparameter, ""); // replace prefix:Text as found
filetype = tmpqueryparameter.toLowerCase(); // file extension are always compared lowercase, can be converted here for further processing
while ( !filetype.isEmpty() && filetype.charAt(0) == '.' ) {
filetype = filetype.substring(1);
}