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fix Bug TDI-19179: delete the xpath namespace prefix.

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git-svn-id: http://talendforge.org/svn/tos/trunk@77289 f6f1c999-d317-4740-80b0-e6d1abc6f99e
This commit is contained in:
wwang
2012-01-29 05:39:12 +00:00
parent 6c48e3d867
commit 4322619001
1 changed files with 39 additions and 1 deletions
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40
org.talend.librariesmanager/resources/java/routines/system/StringUtils.java
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@@ -313,6 +313,27 @@ public class StringUtils {
* delete namespace prefix in the xpath
* @param xpath the source xpath
* @return
*
* example
* ./ns:aa/ns:b ==> ./aa/b
* ../ns:aa/ns:b ==> ../aa/b
* ../aa/ns:b ==> ../aa/b
* ../aa/ns:b/../ns:a/a ==> ../aa/b/../a/a
* /aa/b/c ==> /aa/b/c
* /aa/b/c/@e ==> /aa/b/c/@e
* /aa/b/c/@ns:e ==> /aa/b/c/@e
* aa ==> aa
* ns:aa ==> aa
* child::book ==> child::book
* attribute::attr ==> attribute::attr
* to[@a:attri="xxx:yyy"]/ns:a ==> to[@attri="xxx:yyy"]/a
* to[.="to:yyy"]/ns:a ==> to[.="to:yyy"]/a
* substring('12:3"4:5',2,3) ==> substring('12:3"4:5',2,3)
* substring("12:3'4:5",2,3) ==> substring("12:3'4:5",2,3)
* //name[@ns:attri="xxx:yyyy"] ==> //name[@attri="xxx:yyyy"]
* //name[@ns:attri="xxx:yyyy"]/ns:b/@ns:a ==> //name[@attri="xxx:yyyy"]/b/@a
* body[ns:age/ns:name/@ns:b="12:3"]/age ==> body[age/name/@b="12:3"]/age
*
*/
public static String deletePrefixForXpath(String xpath) {
if(xpath==null) {
@@ -328,6 +349,9 @@ public class StringUtils {
char next = ' ';
boolean literal = false;
char textEnclosure = ' ';
for(int i=0;i<size;i++) {
if(':' == next) {
next = ' ';
@@ -337,7 +361,21 @@ public class StringUtils {
int end = -1;
char c = xpath.charAt(i);
if('/' == c || '@' == c) {//element or attribute start
if(c == '\'' || c == '"') {
if(!literal) {//literal start
literal = true;
textEnclosure = c;
} else if(textEnclosure == c){//literal end
literal = false;
textEnclosure = ' ';
}
}
if(literal) {
continue;
}
if('/' == c || '@' == c || '[' == c) {//element or attribute start
start = i;
}