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package com.sun.jersey.server.impl.uri.rules;
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;
/**
* Rules combining one or more other rules and matching in sequence.
*
* @author [email protected]
*/
public class CombiningMatchingPatterns implements UriRules {
private final List> rs;
public CombiningMatchingPatterns(List> rs) {
this.rs = rs;
}
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 Iterator ruleIterator;
private Iterator> rulesIterator;
private R r;
XInterator(CharSequence path, UriMatchResultContext resultContext) {
this.path = path;
this.resultContext = resultContext;
this.rulesIterator = rs.iterator();
this.ruleIterator = rulesIterator.next().match(path, resultContext);
}
public boolean hasNext() {
if (r != null) return true;
if (ruleIterator.hasNext()) {
r = ruleIterator.next();
return true;
}
while (rulesIterator.hasNext()) {
ruleIterator = rulesIterator.next().match(path, resultContext);
if (ruleIterator.hasNext()) {
r = ruleIterator.next();
return true;
}
}
return false;
}
public R next() {
if (!hasNext()) throw new NoSuchElementException();
final R _r = r;
r = null;
return _r;
}
public void remove() {
throw new UnsupportedOperationException();
}
}
}