次のように小さなユーティリティ結果を書き留めました
if text = "EXCLUDES(ABC) EXCLUDES(ABC) INCLUDES(BMG) INCLUDES(EFG) INCLUDES(IJK)";
output = EXCLUDES(ABC) EXCLUDES(ABC) INCLUDES(BMG & EFG & IJK)
以下は私のJavaコードです。以下をご覧ください。改善できる場合はお気軽にどうぞ。
import java.util.ArrayList;
import java.util.List;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
import com.sun.xml.internal.ws.util.StringUtils;
/**
* Created by IntelliJ IDEA.
* User: fkhan
* Date: Aug 31, 2012
* Time: 1:36:45 PM
* To change this template use File | Settings | File Templates.
*/
public class TestClass {
public static void main(String args[]) throws Exception {
//String text = "INCLUDES(ABC) EXCLUDES(ABC) EXCLUDES(ABC) INCLUDES(EFG) INCLUDES(IJK)";
String text = "EXCLUDES(ABC) EXCLUDES(ABC) INCLUDES(BMG) INCLUDES(EFG) INCLUDES(IJK)";
List<String> matchedList = findMatchPhrase("INCLUDES", text);
String query = combinePhrase(text, "INCLUDES", matchedList);
System.out.println(query);
}
/**
* This method takes query combine and & multiple phrases
* @param expression
* @param keyword
* @param matchedItemList
* @return
*/
private static String combinePhrase(String expression, String keyword, List<String> matchedItemList) {
//if only one phrase found return value
if(matchedItemList.isEmpty() || matchedItemList.size() ==1){
return expression;
}
//do not remove first match
String matchedItem = null;
for (int index = 1; index < matchedItemList.size(); index++) {
matchedItem = matchedItemList.get(index);
//remove match items from string other then first match
expression = expression.replace(matchedItem, "");
}
StringBuffer textBuffer = new StringBuffer(expression);
//combine other matched strings in first matched item
StringBuffer combineStrBuf = new StringBuffer();
if (matchedItemList.size() > 1) {
for (int index = 1; index < matchedItemList.size(); index++) {
String str = matchedItemList.get(index);
combineStrBuf.append((parseValue(keyword, str)));
combineStrBuf.append(" & ");
}
combineStrBuf.delete(combineStrBuf.lastIndexOf(" & "), combineStrBuf.length());
}
// Inject created phrase into first phrase
//append in existing phrase
return injectInPhrase(keyword, textBuffer, combineStrBuf.toString());
}
/**
*
* @param keyword
* @param textBuffer
* @param injectStr
*/
private static String injectInPhrase(String keyword, StringBuffer textBuffer, String injectStr) {
Matcher matcher = getMatcher(textBuffer.toString());
while (matcher.find()) {
String subStr = matcher.group();
if (subStr.startsWith(keyword)) {
textBuffer.insert(matcher.end()-1, " & ".concat(injectStr));
break;
}
}
return textBuffer.toString();
}
/**
* @param expression
* @param keyword
* @return
*/
private static String parseValue(String keyword, String expression) {
String parsStr = "";
if (expression.indexOf(keyword) > -1) {
parsStr = expression.replace(keyword, "").replace("(", "").replace(")", "");
}
return parsStr;
}
/**
* This method creates matcher object
* and return for further processing
* @param expression
* @return
*/
private static Matcher getMatcher(String expression){
String patternString = "(\\w+)\\((.*?)\\)";
Pattern pattern = Pattern.compile(patternString);
return pattern.matcher(expression);
}
/**
* This method find find matched items by keyword
* and return as list
* @param keyword
* @param expression
* @return
*/
private static List<String> findMatchPhrase(String keyword, String expression) {
List<String> matchList = new ArrayList<String>(3);
keyword = StringUtils.capitalize(keyword);
Matcher matcher = getMatcher(expression);
while (matcher.find()) {
String subStr = matcher.group();
if (subStr.startsWith(keyword)) {
matchList.add(subStr);
}
}
return matchList;
}
}