| /******************************************************************************* |
| * Copyright (c) 2007 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: |
| * Hisashi MIYASHITA - initial API and implementation |
| *******************************************************************************/ |
| |
| package org.eclipse.actf.ai.xmlstore.nvdl.model; |
| |
| import java.util.ArrayList; |
| import java.util.Iterator; |
| import java.util.LinkedList; |
| import java.util.List; |
| |
| /** |
| * The <code>NVDLTriggerManager</code> manages when to fire 'triggers'. |
| */ |
| public class NVDLTriggerManager { |
| static private class Trigger { |
| final String ns; |
| final String[] localNames; |
| |
| public String toString() { |
| return "{" + ns + "}" + localNames; |
| } |
| |
| public boolean match(String ns, String localName) { |
| if (this.ns.equals(ns)) { |
| for (int i = 0; i < localNames.length; i++) { |
| if (localNames[i].equals(localName)) return true; |
| } |
| } |
| return false; |
| } |
| |
| Trigger(String ns, String[] localNames) { |
| this.ns = ns; |
| this.localNames = localNames; |
| } |
| } |
| List<Trigger> triggers = new ArrayList<Trigger>(0); |
| |
| public NVDLTriggerManager() { |
| } |
| |
| public void addTrigger(String ns, String[] localNames) { |
| Trigger t = new Trigger(ns, localNames); |
| triggers.add(t); |
| } |
| |
| public String toString() { |
| StringBuffer r = new StringBuffer("Triggers:"); |
| for (Iterator<Trigger> it = triggers.iterator(); |
| it.hasNext();) { |
| Trigger trigger = it.next(); |
| r.append(trigger); |
| r.append(";"); |
| } |
| return r.toString(); |
| } |
| |
| public boolean match(String ns, String localName, LinkedList elemStack) { |
| if (elemStack.isEmpty()) return false; |
| NVDLElement parent = (NVDLElement) elemStack.getLast(); |
| |
| for (int i = 0; i < triggers.size(); i++) { |
| Trigger t = triggers.get(i); |
| if (t.match(ns, localName) |
| && !t.match(parent.ns, parent.localName)) { |
| return true; |
| } |
| } |
| |
| return false; |
| } |
| |
| public boolean match(NVDLElement e, NVDLElement parent) { |
| for (int i = 0; i < triggers.size(); i++) { |
| Trigger t = (Trigger) triggers.get(i); |
| if (t.match(e.ns, e.localName) |
| && !t.match(parent.ns, parent.localName)) { |
| return true; |
| } |
| } |
| |
| return false; |
| } |
| } |