[Sandev-cvs] sand/apps/basics/src/org/sandev/basics/util StringUtil.java, 1.38, 1.39

[Eric P. <th...@us...>]

Update of /cvsroot/sandev/sand/apps/basics/src/org/sandev/basics/util
In directory sfp-cvsdas-3.v30.ch3.sourceforge.com:/tmp/cvs-serv22460

Modified Files:
	StringUtil.java 
Log Message:
Added multiContains and multiStartsWith utilities.  Found I needed this and
seemed like they might be generally useful.


Index: StringUtil.java
===================================================================
RCS file: /cvsroot/sandev/sand/apps/basics/src/org/sandev/basics/util/StringUtil.java,v
retrieving revision 1.38
retrieving revision 1.39
diff -C2 -d -r1.38 -r1.39
*** StringUtil.java	27 Jan 2010 23:33:06 -0000	1.38
--- StringUtil.java	1 Mar 2010 19:10:17 -0000	1.39
***************
*** 1452,1455 ****
--- 1452,1492 ----
      }
  
+ 
+     /**
+      * Return true if one of the candidate tokens exist in the source 
+      * string, false otherwise.  If delimeter is not null, then only
+      * test subparts of the source beginning with the delimiter.
+      */
+     public static boolean multiContains(String src,String[] tokens,
+                                         Character delimiter)
+     {
+         boolean justReadDelimiter=(delimiter==null);
+         int srclen=src.length();
+         for(int i=0;i<srclen;i++) {
+             if(delimiter!=null) {
+                 if((src.charAt(i)==delimiter.charValue())&&((i+1)<srclen)) {
+                     if(multiStartsWith(src.substring(i),tokens)) {
+                         return true; } }
+                 continue; }
+             else { //null delimiter
+                 if(multiStartsWith(src.substring(i),tokens)) {
+                     return true; } } }
+         return false;
+     }
+ 
+ 
+     /**
+      * Return true if the given source string starts with one of the 
+      * given tokens, false otherwise.
+      */
+     public static boolean multiStartsWith(String src,String[] tokens)
+     {
+         for(int i=0;i<tokens.length;i++) {
+             if(src.startsWith(tokens[i])) {
+                 return true; } }
+         return false;
+     }
+ 
+ 
  }