| /******************************************************************************* |
| * Copyright (c) 2001, 2004 IBM Corporation and others. |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License v1.0 |
| * which accompanies this distribution, and is available at |
| * http://www.eclipse.org/legal/epl-v10.html |
| * |
| * Contributors: |
| * IBM Corporation - initial API and implementation |
| *******************************************************************************/ |
| |
| package org.eclipse.wst.dtd.core.internal.saxparser; |
| |
| import java.util.Enumeration; |
| import java.util.Hashtable; |
| |
| public class EntityPool { |
| private Hashtable m_entity = new Hashtable(); |
| private Hashtable m_para = new Hashtable(); // parameter references |
| |
| public EntityPool() { |
| } |
| |
| public boolean add(EntityDecl entity) { |
| String name = entity.getNodeName(); |
| if (entity.isParameter()) { |
| if (m_para.containsKey(name)) |
| return false; |
| m_para.put(name, entity); |
| } |
| else { |
| if (m_entity.containsKey(name)) |
| return false; |
| m_entity.put(name, entity); |
| } |
| return true; |
| } |
| |
| public EntityDecl refer(String name) { |
| return (EntityDecl) m_entity.get(name); |
| } |
| |
| public EntityDecl referPara(String name) { |
| return (EntityDecl) m_para.get(name); |
| } |
| |
| /** |
| * Return an <CODE>Enumeration</CODE> of <CODE>EntityDecl</CODE>. |
| * |
| * @see org.eclipcse.wst.dtd.parser.EntityDecl |
| */ |
| public Enumeration elements() { |
| return m_entity.elements(); |
| } |
| |
| /** |
| * Return an <CODE>Enumeration</CODE> of <CODE>EntityDecl</CODE> for |
| * parameter entities. |
| * |
| * @see org.eclipcse.wst.dtd.parser.EntityDecl |
| */ |
| public Enumeration parameterEntityElements() { |
| return m_para.elements(); |
| } |
| |
| /** |
| * For DTD#getEntities(); |
| */ |
| Hashtable getEntityHash() { |
| return this.m_entity; |
| } |
| } |