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 the com.oreilly.servlet library, any library
22 * licensed under the Apache Software License, The Sun (tm) Java Advanced
23 * Imaging library (JAI), The Sun JIMI library (or with modified versions of
24 * the above that use the same license as the above), and distribute linked
25 * combinations including the two. You must obey the GNU General Public
26 * License in all respects for all of the code used other than the above
27 * mentioned libraries. If you modify this file, you may extend this exception
28 * to your version of the file, but you are not obligated to do so. If you do
29 * not wish to do so, delete this exception statement from your version.
36 import mir.entity.adapter.*;
41 public class EntityEnumeratingProducerNode extends ProducerNodeDecorator {
43 private EntityEnumeratingProducerNodeVerb defaultVerb;
45 private EntityAdapterModel model;
46 private String definition;
50 public EntityEnumeratingProducerNode(
52 EntityAdapterModel aModel, String aDefinition,
53 ProducerNode aSubNode) {
57 verbs = new HashMap();
59 definition = aDefinition;
63 public EntityEnumeratingProducerNode(
65 EntityAdapterModel aModel, String aDefinition,
66 String aDefaultWhereClause, String aDefaultOrderByClause,
67 ProducerNode aSubNode) {
68 this(aKey, aModel, aDefinition, aDefaultWhereClause, aDefaultOrderByClause, "", "", aSubNode);
71 public EntityEnumeratingProducerNode(
73 EntityAdapterModel aModel, String aDefinition,
74 String aDefaultWhereClause, String aDefaultOrderByClause,
75 String aLimit, String aSkip,
76 ProducerNode aSubNode) {
77 this(aKey, aModel, aDefinition, aSubNode);
81 defaultVerb = new EntityEnumeratingProducerNodeVerb(aDefaultWhereClause, aDefaultOrderByClause);
84 public void produce(Map aValueMap, String aVerb, PrintWriter aLogger) throws ProducerFailure {
85 EntityEnumeratingProducerNodeVerb verb = (EntityEnumeratingProducerNodeVerb) verbs.get(aVerb);
92 throw new ProducerFailure("EntityEnumeratingProducerNode: unknown verb '"+aVerb+"'", null);
95 browser = new EntityIteratorAdapter(
96 ParameterExpander.expandExpression( aValueMap, verb.whereClause ),
97 ParameterExpander.expandExpression( aValueMap, verb.orderByClause ),
101 ParameterExpander.evaluateIntegerExpressionWithDefault( aValueMap, limit, -1),
102 ParameterExpander.evaluateIntegerExpressionWithDefault( aValueMap, skip, 0));
104 while (browser.hasNext()) {
105 ParameterExpander.setValueForKey( aValueMap, key, browser.next());
106 super.produce(aValueMap, aVerb, aLogger);
109 catch (Throwable t) {
110 throw new ProducerFailure(t.getMessage(), t);
114 public Set buildVerbSet() {
117 set = super.buildVerbSet();
118 set.addAll(verbs.keySet());
123 public void addVerb(String aVerb, String aWhereClause, String anOrderByClause) {
124 verbs.put(aVerb, new EntityEnumeratingProducerNodeVerb(aWhereClause, anOrderByClause));
127 private class EntityEnumeratingProducerNodeVerb {
129 String orderByClause;
131 EntityEnumeratingProducerNodeVerb(String aWhereClause, String anOrderByClause) {
132 whereClause = aWhereClause;
133 orderByClause = anOrderByClause;