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.
32 package mir.producer.reader;
36 import mir.producer.*;
39 public class ScriptedProducerNode implements ProducerNode {
40 private ScriptedProducerNodeDefinition definition;
41 private Map integerParameterValues;
42 private Map stringParameterValues;
43 private Map nodeParameterValues;
45 public ScriptedProducerNode(ScriptedProducerNodeDefinition aDefinition, Map aStringParameterValues, Map anIntegerParameterValues, Map aNodeParameterValues) {
46 definition = aDefinition;
47 stringParameterValues = new HashMap();
48 stringParameterValues.putAll(aStringParameterValues);
49 integerParameterValues = new HashMap();
50 integerParameterValues.putAll(anIntegerParameterValues);
51 nodeParameterValues = new HashMap();
52 nodeParameterValues.putAll(aNodeParameterValues);
55 public Set buildVerbSet() {
59 public void produce(Map aValues, String aVerb, PrintWriter aLogger) throws ProducerFailure, ProducerExc {
61 Map oldValues = new HashMap();
62 ScriptedProducerNodeTool.saveMapValues(oldValues, aValues, definition.getStringParameters().keySet());
63 ScriptedProducerNodeTool.saveMapValues(oldValues, aValues, definition.getIntegerParameters().keySet());
65 Iterator i = stringParameterValues.entrySet().iterator();
68 Map.Entry entry = (Map.Entry) i.next();
70 if (entry.getValue() instanceof String) {
71 aValues.put(entry.getKey(), ParameterExpander.expandExpression(aValues, (String) entry.getValue()));
75 i = integerParameterValues.entrySet().iterator();
78 Map.Entry entry = (Map.Entry) i.next();
80 if (entry.getValue() instanceof String) {
81 aValues.put(entry.getKey(), ParameterExpander.evaluateExpression(aValues, (String) entry.getValue()));
85 ScriptedProducerNodeTool.pushNodeParameterValues(aValues, definition.getName(), nodeParameterValues);
87 definition.getBody().produce(aValues, aVerb, aLogger);
90 ScriptedProducerNodeTool.popNodeParameterValues(aValues, definition.getName());
94 ScriptedProducerNodeTool.restoreMapValues(aValues, definition.getIntegerParameters().keySet(), oldValues);
95 ScriptedProducerNodeTool.restoreMapValues(aValues, definition.getStringParameters().keySet(), oldValues);
99 throw new ProducerFailure(e);