BaseProperties.java

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package com.adobe.dp.office.word;

import java.util.Hashtable;
import java.util.Iterator;

public class BaseProperties {

	private Hashtable storage;

	public Object get(String prop) {
		if (storage == null)
			return null;
		return storage.get(prop);
	}

	void put(String prop, Object val) {
		if (storage == null)
			storage = new Hashtable();
		storage.put(prop, val);
	}

	public boolean isEmpty() {
		return storage == null || storage.isEmpty();
	}

	public Iterator properties() {
		return storage.keySet().iterator();
	}

	public int hashCode() {
		return isEmpty() ? 0 : storage.hashCode();
	}

	public boolean equals(Object other) {
		if (other == null)
			return false;
		if (other.getClass() == getClass()) {
			BaseProperties prop = (BaseProperties) other;
			if (isEmpty())
				return prop.isEmpty();
			else
				return storage.equals(prop.storage);
		}
		return false;
	}
}