import java.util.List;
public class Vars {
- /**
- * Simplified Conversion based on typical use of getting AT&T style RESTful Error Messages
- * @param text
- * @param vars
- * @return
- */
- public static String convert(final String text, final List<String> vars) {
- String[] array = new String[vars.size()];
- StringBuilder sb = new StringBuilder();
- convert(sb,text,vars.toArray(array));
- return sb.toString();
- }
- /**
- * Convert a format string with "%s" into AT&T RESTful Error %1 %2 (number) format
- * If "holder" is passed in, it is built with full Message extracted (typically for Logging)
- * @param holder
- * @param text
- * @param vars
- * @return
- */
- public static String convert(final StringBuilder holder, final String text, final String ... vars) {
- StringBuilder sb = null;
- int idx,index=0,prev = 0;
-
- if(text.contains("%s")) {
- sb = new StringBuilder();
- }
-
- StringBuilder[] sbs = new StringBuilder[] {sb,holder};
- boolean replace, clearIndex = false;
- int c;
- while((idx=text.indexOf('%',prev))>=0) {
- replace = false;
- if(clearIndex) {
- index=0;
- }
- if(sb!=null) {
- sb.append(text,prev,idx);
- }
- if(holder!=null) {
- holder.append(text,prev,idx);
- }
-
- boolean go = true;
- while(go) {
- if(text.length()>++idx) {
- switch(c=text.charAt(idx)) {
- case '0': case '1': case '2': case '3': case '4':
- case '5': case '6': case '7': case '8': case '9':
- index *=10;
- index +=(c-'0');
- clearIndex=replace=true;
- continue;
- case 's':
- ++index;
- replace = true;
- continue;
- default:
- break;
- }
- }
- prev = idx;
- go=false;
- if(replace) {
- if(sb!=null) {
- sb.append('%');
- sb.append(index);
- }
- if(index<=vars.length) {
- if(holder!=null) {
- holder.append(vars[index-1]);
- }
- }
- } else {
- for(StringBuilder s : sbs) {
- if(s!=null) {
- s.append("%");
- }
- }
- }
- }
- }
-
- if(sb!=null) {
- sb.append(text,prev,text.length());
- }
- if(holder!=null) {
- holder.append(text,prev,text.length());
- }
+ /**
+ * Simplified Conversion based on typical use of getting AT&T style RESTful Error Messages
+ * @param text
+ * @param vars
+ * @return
+ */
+ public static String convert(final String text, final List<String> vars) {
+ String[] array = new String[vars.size()];
+ StringBuilder sb = new StringBuilder();
+ convert(sb,text,vars.toArray(array));
+ return sb.toString();
+ }
+ /**
+ * Convert a format string with "%s" into AT&T RESTful Error %1 %2 (number) format
+ * If "holder" is passed in, it is built with full Message extracted (typically for Logging)
+ * @param holder
+ * @param text
+ * @param vars
+ * @return
+ */
+ public static String convert(final StringBuilder holder, final String text, final String ... vars) {
+ StringBuilder sb = null;
+ int idx,index=0,prev = 0;
+
+ if(text.contains("%s")) {
+ sb = new StringBuilder();
+ }
+
+ StringBuilder[] sbs = new StringBuilder[] {sb,holder};
+ boolean replace, clearIndex = false;
+ int c;
+ while((idx=text.indexOf('%',prev))>=0) {
+ replace = false;
+ if(clearIndex) {
+ index=0;
+ }
+ if(sb!=null) {
+ sb.append(text,prev,idx);
+ }
+ if(holder!=null) {
+ holder.append(text,prev,idx);
+ }
+
+ boolean go = true;
+ while(go) {
+ if(text.length()>++idx) {
+ switch(c=text.charAt(idx)) {
+ case '0': case '1': case '2': case '3': case '4':
+ case '5': case '6': case '7': case '8': case '9':
+ index *=10;
+ index +=(c-'0');
+ clearIndex=replace=true;
+ continue;
+ case 's':
+ ++index;
+ replace = true;
+ continue;
+ default:
+ break;
+ }
+ }
+ prev = idx;
+ go=false;
+ if(replace) {
+ if(sb!=null) {
+ sb.append('%');
+ sb.append(index);
+ }
+ if(index<=vars.length) {
+ if(holder!=null) {
+ holder.append(vars[index-1]);
+ }
+ }
+ } else {
+ for(StringBuilder s : sbs) {
+ if(s!=null) {
+ s.append("%");
+ }
+ }
+ }
+ }
+ }
+
+ if(sb!=null) {
+ sb.append(text,prev,text.length());
+ }
+ if(holder!=null) {
+ holder.append(text,prev,text.length());
+ }
- return sb==null?text:sb.toString();
- }
+ return sb==null?text:sb.toString();
+ }
}