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.
33 import java.util.HashMap;
34 import java.util.Iterator;
37 import mir.entity.Entity;
38 import mir.entity.adapter.EntityAdapter;
39 import mir.entity.adapter.EntityAdapterModel;
40 import mir.log.LoggerWrapper;
41 import mir.util.ParameterExpander;
44 public class EntityModifyingProducerNode implements ProducerNode {
45 private String entityExpression;
46 private String definition;
48 private boolean create;
49 private EntityAdapterModel model;
51 public EntityModifyingProducerNode(EntityAdapterModel aModel, boolean aCreate, String aDefinition, String anEntityExpression, Map aFieldValues) {
52 entityExpression = anEntityExpression;
53 definition = aDefinition;
56 fields = new HashMap();
57 fields.putAll(aFieldValues);
60 public void addField(String aField, String aValueExpression) {
61 fields.put(aField, aValueExpression);
64 public void produce(Map aValueMap, String aVerb, LoggerWrapper aLogger) throws ProducerExc, ProducerFailure {
69 entityAdapter = model.createNewEntity(definition);
70 ParameterExpander.setValueForKey(aValueMap, entityExpression, entityAdapter);
73 entityAdapter = ParameterExpander.findValueForKey(aValueMap, entityExpression);
76 if (entityAdapter instanceof EntityAdapter) {
77 Entity entity = ((EntityAdapter) entityAdapter).getEntity();
78 Iterator i = fields.entrySet().iterator();
80 Map.Entry entry = (Map.Entry) i.next();
81 String entityField = (String) entry.getKey();
82 String valueExpression = (String) entry.getValue();
84 Object value = ParameterExpander.evaluateExpression(aValueMap, valueExpression);
86 if (value instanceof String)
87 entity.setValueForProperty(entityField, (String) value);
88 else if (value instanceof EntityAdapter)
89 entity.setValueForProperty(entityField, ((EntityAdapter) value).getEntity().getId());
91 aLogger.warn("Can't set value " + value.toString() + " for field " + entityField);
96 throw new ProducerExc( entityExpression + " does not evaluate to an entity");
99 aLogger.error("Error while performing entity modification operation: " + t.getMessage());
101 throw new ProducerFailure(t.getMessage(), t);