RulesMap.java

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package com.sun.jersey.server.impl.model;

import com.sun.jersey.server.impl.uri.PathPattern;
import java.util.ArrayList;
import java.util.LinkedList;
import java.util.List;
import java.util.TreeMap;

/**
 *
 * @author Paul.Sandoz@Sun.Com
 */
public class RulesMap<R> extends TreeMap<PathPattern, R>{
    public RulesMap() {
        super(PathPattern.COMPARATOR);
    }

    public PathPattern hasConflict(PathPattern p) {
        for (PathPattern cp : keySet()) {
            if (cp.equals(p)) {
                return cp;
            }
        }
        return null;
    }

    public interface ConflictClosure {
        void onConflict(PathPattern p1, PathPattern p2);
    }

    public void processConflicts(ConflictClosure cc) {
        final List<PathPattern> ks = new ArrayList<PathPattern>(keySet());
        for (int i = 0; i < ks.size(); i++) {
            final PathPattern p1 = ks.get(i);
            for (int j = i + 1; j < ks.size(); j++) {
                final PathPattern p2 = ks.get(j);
                if (p1.equals(p2)) {
                    cc.onConflict(p1, p2);
                }
            }
        }
    }

}