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package com.sun.jersey.server.impl.uri.rules;
import com.sun.jersey.api.uri.UriPattern;
import com.sun.jersey.spi.uri.rules.UriMatchResultContext;
import com.sun.jersey.spi.uri.rules.UriRules;
import java.util.Iterator;
import java.util.List;
import java.util.NoSuchElementException;
import java.util.regex.MatchResult;
/**
* Rules associated with instances of {@link UriPattern) and matched
* in order. Zero or more matches may occur.
*
* @author [email protected]
*/
public final class SequentialMatchingPatterns implements UriRules {
private final List> rules;
public SequentialMatchingPatterns(List> rules) {
this.rules = rules;
}
public Iterator match(CharSequence path, UriMatchResultContext resultContext) {
return new XInterator(path, resultContext);
}
private final class XInterator implements Iterator {
private final CharSequence path;
private final UriMatchResultContext resultContext;
private final Iterator> i;
private R r;
XInterator(CharSequence path, UriMatchResultContext resultContext) {
this.path = path;
this.resultContext = resultContext;
this.i = rules.iterator();
}
public boolean hasNext() {
if (r != null) return true;
while(i.hasNext()) {
final PatternRulePair prp = i.next();
final MatchResult mr = prp.p.match(path);
if (mr != null) {
resultContext.setMatchResult(mr);
r = prp.r;
return true;
}
}
r = null;
return false;
}
public R next() {
if (!hasNext()) throw new NoSuchElementException();
final R _r = r;
r = null;
return _r;
}
public void remove() {
throw new UnsupportedOperationException();
}
}
}