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.*;
38 public class ScriptedProducerNodeDefinition {
39 private Map integerParameters; // name -> default value
40 private Map stringParameters; // name -> default value
41 private Set nodeParameters;
42 private ProducerNode body;
45 public static String SCRIPTED_PRODUCERNODE_RUNTIMEDATA_KEY = "$SCRIPTRUNTIMEDATA";
46 public static String SCRIPTED_PRODUCERNODE_RUNTIMESTACK_KEY = "stack";
48 public ScriptedProducerNodeDefinition(String aName) {
50 integerParameters = new HashMap();
51 stringParameters = new HashMap();
52 nodeParameters = new HashSet();
53 body = new CompositeProducerNode();
56 public void addStringParameter(String aName, String aDefaultValue) {
57 stringParameters.put(aName, aDefaultValue);
60 public void addIntegerParameter(String aName, String aDefaultValue) {
61 integerParameters.put(aName, aDefaultValue);
64 public void addNodeParameter(String aName) {
65 nodeParameters.add(aName);
68 public void setBody(ProducerNode aBody) {
72 protected Map getStringParameters() {
73 return stringParameters;
76 protected Map getIntegerParameters() {
77 return integerParameters;
80 protected Set getNodeParameters() {
81 return nodeParameters;
84 protected ProducerNode getBody() {
88 public String getName() {
92 public Set getRequiredAttributes() {
93 return getAttributesSelection(true);
96 public Set getOptionalAttributes() {
97 return getAttributesSelection(false);
100 public Set getAttributesSelection(boolean aRequired) {
101 Set result = new HashSet();
102 Iterator i = stringParameters.entrySet().iterator();
104 while (i.hasNext()) {
105 Map.Entry entry = (Map.Entry) i.next();
107 if ((entry.getValue() == null) == aRequired ) {
108 result.add(entry.getKey());
112 i = integerParameters.entrySet().iterator();
114 while (i.hasNext()) {
115 Map.Entry entry = (Map.Entry) i.next();
117 if ((entry.getValue() == null) == aRequired ) {
118 result.add(entry.getKey());
126 protected static class NodeParameterProducerNode implements ProducerNode {
127 private String parameterName;
128 private String definitionName;
130 public NodeParameterProducerNode(String aDefinitionName, String aParameterName) {
131 definitionName = aDefinitionName;
132 parameterName = aParameterName;
135 public void produce(Map aValues, String aVerb, PrintWriter aLogger) throws ProducerExc, ProducerFailure {
136 ProducerNode producerNode;
138 Map runTimeData = (Map) ((Map) aValues.get(SCRIPTED_PRODUCERNODE_RUNTIMEDATA_KEY)).get(definitionName);
139 Map parameters = (Map) ((Stack) runTimeData.get( SCRIPTED_PRODUCERNODE_RUNTIMESTACK_KEY )).peek();
141 producerNode = (ProducerNode) parameters.get(parameterName);
143 if (producerNode != null)
144 producerNode.produce(aValues, aVerb, aLogger);
147 public Set buildVerbSet() {
148 return new HashSet();