base/common/src/com/netscape/cmscore/request/ExtDataHashtable.java


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package com.netscape.cmscore.request;

import java.util.Hashtable;
import java.util.Map;

/**
 * Subclass of Hashtable returned by IRequest.getExtDataInHashtable. Its
 * purpose is to hide the fact that LDAP doesn't preserve the case of keys.
 * It does this by lowercasing all keys used to access the Hashtable.
 */
public class ExtDataHashtable<V> extends Hashtable<String, V> {

    /**
     *
     */
    private static final long serialVersionUID = 8401134619951331450L;

    public ExtDataHashtable() {
        super();
    }

    public ExtDataHashtable(int i) {
        super(i);
    }

    public ExtDataHashtable(int i, float v) {
        super(i, v);
    }

    public ExtDataHashtable(Map<? extends String, ? extends V> map) {
        // the super constructor seems to call putAll, but I can't
        // rely on that behaviour
        super();
        putAll(map);
    }

    public boolean containsKey(Object o) {
        if (o instanceof String) {
            String key = (String) o;
            return super.containsKey(key.toLowerCase());
        }
        return super.containsKey(o);
    }

    public V get(Object o) {
        if (o instanceof String) {
            String key = (String) o;
            return super.get(key.toLowerCase());
        }
        return super.get(o);
    }

    public V put(String oKey, V val) {
        return super.put(oKey.toLowerCase(), val);
    }

    public V remove(Object o) {
        if (o instanceof String) {
            String key = (String) o;
            return super.remove(key.toLowerCase());
        }
        return super.remove(o);
    }
}