2 * Copyright (C) 2005 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 * You must obey the GNU General Public License in all respects for all of the code used
23 * other than the above mentioned libraries. If you modify this file, you may extend this
24 * exception to your version of the file, but you are not obligated to do so.
25 * If you do not wish to do so, delete this exception statement from your version.
27 package mir.entity.adapter;
29 import java.util.AbstractList;
30 import java.util.ArrayList;
31 import java.util.List;
33 import mir.entity.Entity;
34 import mir.entity.EntityBrowser;
36 public class EntityListAdapter extends AbstractList {
38 private int maximumLength;
39 private EntityBrowser browser;
40 private EntityAdapterModel model;
41 private String definition;
42 private boolean exhausted = false;
43 private boolean skipped = false;
47 protected EntityListAdapter(EntityAdapterModel aModel, String aDefinition, EntityBrowser aBrowser, int aSkip, int aMaximumLength) {
49 definition = aDefinition;
52 maximumLength = aMaximumLength;
53 cache = new ArrayList();
56 protected EntityListAdapter(EntityAdapterModel aModel, String aDefinition, EntityBrowser aBrowser, int aMaximumLength) {
57 this(aModel, aDefinition, aBrowser, 0, aMaximumLength);
60 protected EntityListAdapter(EntityAdapterModel aModel, String aDefinition, EntityBrowser aBrowser) {
61 this(aModel, aDefinition, aBrowser, 0, -1);
70 if (browser.hasNext())
76 throw new RuntimeException(t.getMessage());
80 private void fetchNext() {
83 if (browser.hasNext())
84 cache.add(model.makeEntityAdapter(definition, (Entity) browser.next()));
86 exhausted = !browser.hasNext() || (maximumLength>0 && cache.size()>=maximumLength) ;
90 throw new RuntimeException(t.getMessage());
95 private void exhaust() {
102 private void fetchUntil(int anIndex) {
105 while (!exhausted && anIndex>=cache.size())
115 public Object get(int anIndex) {
117 return cache.get(anIndex);