forked from huljas/play-messages
/
MessageKeyMatcher.java
51 lines (44 loc) · 1.7 KB
/
MessageKeyMatcher.java
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package play.modules.messages;
import java.util.ArrayList;
import java.util.List;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
/**
* Matcher for checking the sources for messages keys.
*
* @author huljas
*/
public class MessageKeyMatcher {
final String REGEXP1 = "\\QMessages.get(\"\\E([^\"]*)\"";
final String REGEXP2 = "\\QValidation\\E\\Q.addError(\\E[^,]*,[^\"]*[\"]([^\"]*)\"";
final String REGEXP3 = "\\Q&{\\E[']([^']*)[']";
final String REGEXP4 = "\\Qmessages\\E\\Q.get(\"\\E([^\"]*)\"";
final String REGEXP5 = "\\Qmessages\\E\\Q.get(\'\\E([^\']*)\'";
final String REGEXP6 = "\\Qi18n(\'\\E([^\']*)\'";
final String REGEXP7 = "\\Qmessages.getMessage(\\E[^,]*,[\\s]*'([^']*)'";
private List<Pattern> patterns = new ArrayList<Pattern>();
public MessageKeyMatcher() {
patterns.add(Pattern.compile(REGEXP1));
patterns.add(Pattern.compile(REGEXP2));
patterns.add(Pattern.compile(REGEXP3));
patterns.add(Pattern.compile(REGEXP4));
patterns.add(Pattern.compile(REGEXP5));
patterns.add(Pattern.compile(REGEXP6));
patterns.add(Pattern.compile(REGEXP7));
}
/**
* Returns all localization keys found on given string.
*/
public List<String> match(String s) {
List<String> list = new ArrayList<String>();
for (Pattern pattern : patterns) {
Matcher matcher = pattern.matcher(s);
int start = 0;
while (matcher.find(start) && matcher.groupCount() == 1) {
list.add(matcher.group(1));
start = matcher.end();
}
}
return list;
}
}