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.
30 package mir.producer.reader;
32 import mir.producer.*;
36 public class ScriptedProducerNodeDefinition {
37 private Map integerParameters; // name -> default value
38 private Map stringParameters; // name -> default value
39 private Set nodeParameters;
40 private ProducerNode body;
43 public static String SCRIPTED_PRODUCERNODE_RUNTIMEDATA_KEY = "$SCRIPTRUNTIMEDATA";
44 public static String SCRIPTED_PRODUCERNODE_RUNTIMESTACK_KEY = "stack";
46 public ScriptedProducerNodeDefinition(String aName) {
48 integerParameters = new HashMap();
49 stringParameters = new HashMap();
50 nodeParameters = new HashSet();
51 body = new CompositeProducerNode();
54 public void addStringParameter(String aName, String aDefaultValue) {
55 stringParameters.put(aName, aDefaultValue);
58 public void addIntegerParameter(String aName, String aDefaultValue) {
59 integerParameters.put(aName, aDefaultValue);
62 public void addNodeParameter(String aName) {
63 nodeParameters.add(aName);
66 public void setBody(ProducerNode aBody) {
70 protected Map getStringParameters() {
71 return stringParameters;
74 protected Map getIntegerParameters() {
75 return integerParameters;
78 protected Set getNodeParameters() {
79 return nodeParameters;
82 protected ProducerNode getBody() {
86 public String getName() {
90 public Set getRequiredAttributes() {
91 return getAttributesSelection(true);
94 public Set getOptionalAttributes() {
95 return getAttributesSelection(false);
98 public Set getAttributesSelection(boolean aRequired) {
99 Set result = new HashSet();
100 Iterator i = stringParameters.entrySet().iterator();
102 while (i.hasNext()) {
103 Map.Entry entry = (Map.Entry) i.next();
105 if ((entry.getValue() == null) == aRequired ) {
106 result.add(entry.getKey());
110 i = integerParameters.entrySet().iterator();
112 while (i.hasNext()) {
113 Map.Entry entry = (Map.Entry) i.next();
115 if ((entry.getValue() == null) == aRequired ) {
116 result.add(entry.getKey());
123 protected static class NodeParameterProducerNode implements ProducerNode {
124 private String parameterName;
125 private String definitionName;
127 public NodeParameterProducerNode(String aDefinitionName, String aParameterName) {
128 definitionName = aDefinitionName;
129 parameterName = aParameterName;
132 public void produce(ProductionContext aProductionContext) throws ProducerExc, ProducerFailure {
133 ProducerNode producerNode;
135 Map runTimeData = (Map) ((Map) aProductionContext.getValueSet().get(SCRIPTED_PRODUCERNODE_RUNTIMEDATA_KEY)).get(definitionName);
136 Map parameters = (Map) ((Stack) runTimeData.get( SCRIPTED_PRODUCERNODE_RUNTIMESTACK_KEY )).peek();
138 producerNode = (ProducerNode) parameters.get(parameterName);
140 if (producerNode != null) {
141 producerNode.produce(aProductionContext);
145 public Set buildVerbSet() {
146 return new HashSet();