2 * Copyright (C) 2001, 2002 The Mir-coders group
4 * This file is part of Mir.
6 * Mir is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
11 * Mir is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with Mir; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
20 * In addition, as a special exception, The Mir-coders gives permission to link
21 * the code of this program with any library licensed under the Apache Software License,
22 * The Sun (tm) Java Advanced Imaging library (JAI), The Sun JIMI library
23 * (or with modified versions of the above that use the same license as the above),
24 * and distribute linked combinations including the two. You must obey the
25 * GNU General Public License in all respects for all of the code used other than
26 * the above mentioned libraries. If you modify this file, you may extend this
27 * exception to your version of the file, but you are not obligated to do so.
28 * If you do not wish to do so, delete this exception statement from your version.
30 package mir.entity.adapter;
32 import java.util.AbstractList;
33 import java.util.List;
34 import java.util.Vector;
36 import mir.entity.Entity;
37 import mir.entity.EntityBrowser;
39 public class EntityListAdapter extends AbstractList {
41 private int maximumLength;
42 private EntityBrowser browser;
43 private EntityAdapterModel model;
44 private String definition;
45 private boolean exhausted = false;
46 private boolean skipped = false;
50 protected EntityListAdapter(EntityAdapterModel aModel, String aDefinition, EntityBrowser aBrowser, int aSkip, int aMaximumLength) {
52 definition = aDefinition;
55 maximumLength = aMaximumLength;
59 protected EntityListAdapter(EntityAdapterModel aModel, String aDefinition, EntityBrowser aBrowser, int aMaximumLength) {
60 this(aModel, aDefinition, aBrowser, 0, aMaximumLength);
63 protected EntityListAdapter(EntityAdapterModel aModel, String aDefinition, EntityBrowser aBrowser) {
64 this(aModel, aDefinition, aBrowser, 0, -1);
73 if (browser.hasNext())
79 throw new RuntimeException(t.getMessage());
83 private void fetchNext() {
86 if (browser.hasNext())
87 cache.add(model.makeEntityAdapter(definition, (Entity) browser.next()));
89 exhausted = !browser.hasNext() || (maximumLength>0 && cache.size()>=maximumLength) ;
93 throw new RuntimeException(t.getMessage());
98 private void exhaust() {
105 private void fetchUntil(int anIndex) {
108 while (!exhausted && anIndex>=cache.size())
118 public Object get(int anIndex) {
120 return cache.get(anIndex);