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package scruf.parsers;
import java.util.regex.*;
import scruf.status.*;
/**
* this class deals with searching the 'scruffy' marked-up document
* for meta-tag related things.
*/
public class MetaParser implements Parser {
private Pattern pattern;
private Matcher matcher;
private NullIt nullIt;
public MetaParser() {
pattern = Pattern.compile("^meta\\-(.+?)\\:(.+)",
Pattern.MULTILINE);
nullIt = new NullIt();
}
public String parse(String fileContent) {
String value;
matcher = pattern.matcher(fileContent);
while(matcher.find()) {
value = matcher.group(2);
if(matcher.group(1).equals("author")) {
PresentFile.author = value;
}
else if(matcher.group(1).equals("title")) {
PresentFile.name = value;
}
// remove the found 'meta' markup to an empty string.
fileContent = nullIt.nullIt(fileContent,matcher.group());
// reset the matcher with the new file Content.
matcher.reset(fileContent);
}
return fileContent;
}
}
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