public static String evalRandValueString(LinkedList<StringItem> items) {
StringBuilder sb = new StringBuilder();
for (StringItem item : items) {
sb.append(item.getValue());
}
return sb.toString();
}
public static StringItem parseVarPattern(String content)
throws InstantiationException, IllegalAccessException {
String name = content.substring(0, content.indexOf('('));
Class<? extends StringItem> cls = strItemsMap.get(name);
if (cls == null) {
throw new RuntimeException("not find var type of " + name);
}
StringItem obj = cls.newInstance();
obj.initString(content);
return obj;
}
/**
* eval template contains random vars and replace them with real value alues (
* '${date(yyyyMMddHHmmsss-[2014-2015]y)}/psn${date(yyyy)}s/${int(0-9999)}/1 6 7 6 7 : 2 0 7 2 5 '
* , ' $ { s t r i n g ( 2 , 0 - 9 9 )} OPP_${enum(BJ,SH,GZ,SZ)}_${int(0-9)}
* ',${int(10,11)},$int(400,420,500,600,800),$int(0-1000),$int(0-100),$int(0-10),$int(0-99),'201408040028317067b41c0db-4a93-4360-9eb4-e159d1
* d b e f 4 5 ' , $ p h o n e , 2 , 2 0 1 4 0 7 1 7 1 5 , 2 3 1 5 9 9 8 , 1 3 9 7 , 1 5 2 3 1 7 9
* 9 8 , 1 3 9 5 , ' 0 0 0 0 ' )
*
* @param templateStr
* @return
* @throws IllegalAccessException
* @throws InstantiationException
*/
public static LinkedList<StringItem> parselRandVarTemplateString(String templateStr)
throws Exception {
char[] chars = templateStr.toCharArray();
LinkedList<StringItem> stringItems = new LinkedList<StringItem>();
int curPos = 0;
int prevPattenEndPos = 0;
while (curPos < chars.length) {
char c = chars[curPos];
if (c == '$' && curPos + 1 < chars.length && chars[curPos + 1] == '{') {
int start = curPos;
curPos += 2;
int end = -1;
if (curPos < chars.length) {
for (int i = curPos; i < chars.length; i++) {
if (chars[i] == '}') {
end = i;
// found pattern
if (prevPattenEndPos < start) { // some constant
// string chars
StringItem item = new StringItem();
item.initString(templateStr.substring(prevPattenEndPos, start));
stringItems.add(item);
}
// add variable pattern item
stringItems.add(
StringItemFactory.parseVarPattern(templateStr.substring(curPos, end)));
prevPattenEndPos = end + 1;
curPos = end + 1;
break;
}
}
if (end == -1) {
// not found pattern end
throw new RuntimeException("can't find var patten end pos ,start at " + start);
}
} else {
curPos++;
}
} else {
curPos++;
}
}
// add last
if (prevPattenEndPos < templateStr.length()) {
StringItem item = new StringItem();
item.initString(templateStr.substring(prevPattenEndPos, templateStr.length()));
stringItems.add(item);
}
return stringItems;
}