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;
34 import java.util.HashMap;
35 import java.util.HashSet;
36 import java.util.Iterator;
39 import java.util.Stack;
41 import mir.log.LoggerWrapper;
42 import mir.producer.CompositeProducerNode;
43 import mir.producer.ProducerExc;
44 import mir.producer.ProducerFailure;
45 import mir.producer.ProducerNode;
47 public class ScriptedProducerNodeDefinition {
48 private Map integerParameters; // name -> default value
49 private Map stringParameters; // name -> default value
50 private Set nodeParameters;
51 private ProducerNode body;
54 public static String SCRIPTED_PRODUCERNODE_RUNTIMEDATA_KEY = "$SCRIPTRUNTIMEDATA";
55 public static String SCRIPTED_PRODUCERNODE_RUNTIMESTACK_KEY = "stack";
57 public ScriptedProducerNodeDefinition(String aName) {
59 integerParameters = new HashMap();
60 stringParameters = new HashMap();
61 nodeParameters = new HashSet();
62 body = new CompositeProducerNode();
65 public void addStringParameter(String aName, String aDefaultValue) {
66 stringParameters.put(aName, aDefaultValue);
69 public void addIntegerParameter(String aName, String aDefaultValue) {
70 integerParameters.put(aName, aDefaultValue);
73 public void addNodeParameter(String aName) {
74 nodeParameters.add(aName);
77 public void setBody(ProducerNode aBody) {
81 protected Map getStringParameters() {
82 return stringParameters;
85 protected Map getIntegerParameters() {
86 return integerParameters;
89 protected Set getNodeParameters() {
90 return nodeParameters;
93 protected ProducerNode getBody() {
97 public String getName() {
101 public Set getRequiredAttributes() {
102 return getAttributesSelection(true);
105 public Set getOptionalAttributes() {
106 return getAttributesSelection(false);
109 public Set getAttributesSelection(boolean aRequired) {
110 Set result = new HashSet();
111 Iterator i = stringParameters.entrySet().iterator();
113 while (i.hasNext()) {
114 Map.Entry entry = (Map.Entry) i.next();
116 if ((entry.getValue() == null) == aRequired ) {
117 result.add(entry.getKey());
121 i = integerParameters.entrySet().iterator();
123 while (i.hasNext()) {
124 Map.Entry entry = (Map.Entry) i.next();
126 if ((entry.getValue() == null) == aRequired ) {
127 result.add(entry.getKey());
135 protected static class NodeParameterProducerNode implements ProducerNode {
136 private String parameterName;
137 private String definitionName;
139 public NodeParameterProducerNode(String aDefinitionName, String aParameterName) {
140 definitionName = aDefinitionName;
141 parameterName = aParameterName;
144 public void produce(Map aValues, String aVerb, LoggerWrapper aLogger) throws ProducerExc, ProducerFailure {
145 ProducerNode producerNode;
147 Map runTimeData = (Map) ((Map) aValues.get(SCRIPTED_PRODUCERNODE_RUNTIMEDATA_KEY)).get(definitionName);
148 Map parameters = (Map) ((Stack) runTimeData.get( SCRIPTED_PRODUCERNODE_RUNTIMESTACK_KEY )).peek();
150 producerNode = (ProducerNode) parameters.get(parameterName);
152 if (producerNode != null)
153 producerNode.produce(aValues, aVerb, aLogger);
156 public Set buildVerbSet() {
157 return new HashSet();