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.Date;
34 import java.util.HashMap;
35 import java.util.Iterator;
38 import mir.entity.Entity;
39 import mir.entity.adapter.EntityAdapter;
40 import mir.entity.adapter.EntityAdapterModel;
41 import mir.log.LoggerWrapper;
42 import mir.util.JDBCStringRoutines;
43 import mir.util.ParameterExpander;
46 public class EntityModifyingProducerNode implements ProducerNode {
47 private String entityExpression;
48 private String definition;
50 private boolean create;
51 private EntityAdapterModel model;
53 public EntityModifyingProducerNode(EntityAdapterModel aModel, boolean aCreate, String aDefinition, String anEntityExpression, Map aFieldValues) {
54 entityExpression = anEntityExpression;
55 definition = aDefinition;
58 fields = new HashMap();
59 fields.putAll(aFieldValues);
62 public void addField(String aField, String aValueExpression) {
63 fields.put(aField, aValueExpression);
66 public void produce(Map aValueMap, String aVerb, LoggerWrapper aLogger) throws ProducerExc, ProducerFailure {
71 entityAdapter = model.createNewEntity(definition);
72 ParameterExpander.setValueForKey(aValueMap, entityExpression, entityAdapter);
75 entityAdapter = ParameterExpander.findValueForKey(aValueMap, entityExpression);
78 if (entityAdapter instanceof EntityAdapter) {
79 Entity entity = ((EntityAdapter) entityAdapter).getEntity();
80 Iterator i = fields.entrySet().iterator();
82 Map.Entry entry = (Map.Entry) i.next();
83 String entityField = (String) entry.getKey();
84 String valueExpression = (String) entry.getValue();
86 Object value = ParameterExpander.evaluateExpression(aValueMap, valueExpression);
88 if (value instanceof String)
89 entity.setFieldValue(entityField, (String) value);
90 else if (value instanceof EntityAdapter)
91 entity.setFieldValue(entityField, ((EntityAdapter) value).getEntity().getId());
92 else if (value instanceof Date) {
93 entity.setFieldValue(entityField, JDBCStringRoutines.formatDate((Date) value));
96 aLogger.warn("Can't set value " + value + " for field " + entityField);
105 throw new ProducerExc( entityExpression + " does not evaluate to an entity");
107 catch (Throwable t) {
108 aLogger.error("Error while performing entity modification operation: " + t.getMessage());
109 t.printStackTrace(aLogger.asPrintWriter(LoggerWrapper.DEBUG_MESSAGE));
111 throw new ProducerFailure(t.getMessage(), t);