edu.cmu.tetradapp.app.TetradApplicationConfig Maven / Gradle / Ivy
///////////////////////////////////////////////////////////////////////////////
// For information as to what this class does, see the Javadoc, below. //
// Copyright (C) 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, //
// 2007, 2008, 2009, 2010, 2014, 2015, 2022 by Peter Spirtes, Richard //
// Scheines, Joseph Ramsey, and Clark Glymour. //
// //
// This program is free software; you can redistribute it and/or modify //
// it under the terms of the GNU General Public License as published by //
// the Free Software Foundation; either version 2 of the License, or //
// (at your option) any later version. //
// //
// This program is distributed in the hope that it will be useful, //
// but WITHOUT ANY WARRANTY; without even the implied warranty of //
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the //
// GNU General Public License for more details. //
// //
// You should have received a copy of the GNU General Public License //
// along with this program; if not, write to the Free Software //
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA //
///////////////////////////////////////////////////////////////////////////////
package edu.cmu.tetradapp.app;
import edu.cmu.tetrad.session.SessionNode;
import edu.cmu.tetrad.util.DefaultTetradLoggerConfig;
import edu.cmu.tetrad.util.TetradLogger;
import edu.cmu.tetrad.util.TetradLoggerConfig;
import edu.cmu.tetradapp.editor.ParameterEditor;
import nu.xom.Builder;
import nu.xom.Document;
import nu.xom.Element;
import nu.xom.Elements;
import javax.swing.*;
import java.io.IOException;
import java.io.InputStream;
import java.lang.reflect.Constructor;
import java.util.*;
/**
* Represents the configuration details for the Tetrad application.
*
* @author Tyler Gibson
*/
public class TetradApplicationConfig {
/**
* The singleton instance
*/
private static final TetradApplicationConfig instance = new TetradApplicationConfig();
private final Map configs;
/**
* A map from model classes to the configurations that handle them.
*/
private final Map classMap = new HashMap<>();
/**
* Constructs the configuration.
*/
private TetradApplicationConfig() {
// Tetrad-Gui properties file, use absolute path with leading "/"
InputStream tetradGuiPropertiesStream = this.getClass().getResourceAsStream("/tetrad-gui.properties");
Properties tetradGuiProperties = new Properties();
try {
tetradGuiProperties.load(tetradGuiPropertiesStream);
} catch (IOException ex) {
throw new IllegalStateException("Could not load tetrad-gui.properties file", ex);
}
try {
tetradGuiPropertiesStream.close();
} catch (IOException ex) {
throw new IllegalStateException("Could not close the tetradGuiPropertiesStream", ex);
}
// Load different config xml files based config setting - development or production- Zhou
String configXml = tetradGuiProperties.getProperty("tetrad-gui.config");
System.out.println("config file: " + configXml);
InputStream stream = this.getClass().getResourceAsStream(configXml);
Builder builder = new Builder(true);
try {
Document doc = builder.build(stream);
this.configs = TetradApplicationConfig.buildConfiguration(doc.getRootElement());
for (SessionNodeConfig config : this.configs.values()) {
Class[] models = config.getModels();
for (Class model : models) {
if (this.classMap.containsKey(model)) {
throw new IllegalStateException("Model " + model + " has two configurations");
}
this.classMap.put(model, config);
}
}
} catch (Exception ex) {
throw new IllegalStateException("Could not load configuration", ex);
}
}
/**
* @return an instance of the session configuration.
*/
public static TetradApplicationConfig getInstance() {
return TetradApplicationConfig.instance;
}
/**
* Loads the configuration from the root element of the configuratin.xml file. It is assumed that the document has
* been validated against its dtd already.
*/
private static Map buildConfiguration(Element root) {
Elements elements = root.getChildElements();
ClassLoader loader = TetradApplicationConfig.getClassLoader();
Map configs = new LinkedHashMap<>();
for (int i = 0; i < elements.size(); i++) {
Element node = elements.get(i);
String id = node.getAttributeValue("id");
DefaultNodeConfig nodeConfig = new DefaultNodeConfig(id);
Elements nodeElements = node.getChildElements();
for (int k = 0; k < nodeElements.size(); k++) {
Element child = nodeElements.get(k);
if ("models".equals(child.getQualifiedName())) {
nodeConfig.setSessionNodeModelConfig(TetradApplicationConfig.buildModelConfigs(child));
} else if ("display-component".equals(child.getQualifiedName())) {
String image = child.getAttributeValue("image");
String value = TetradApplicationConfig.getValue(child);
Class compClass = value == null ? null : TetradApplicationConfig.loadClass(loader, value);
nodeConfig.setDisplayComp(image, compClass);
} else if ("model-chooser".equals(child.getQualifiedName())) {
String title = child.getAttributeValue("title");
String value = TetradApplicationConfig.getValue(child);
Class chooserClass = value == null ? null : TetradApplicationConfig.loadClass(loader, value);
nodeConfig.setChooser(title, chooserClass);
} else if ("node-specific-message".equals(child.getQualifiedName())) {
nodeConfig.setNodeSpecificMessage(child.getValue());
} else {
throw new IllegalStateException("Unknown element " + child.getQualifiedName());
}
configs.put(id, nodeConfig);
}
}
return configs;
}
/**
* @return the value of the elemnt, will return null if its an empty string.
*/
private static String getValue(Element value) {
String v = value.getValue();
if (v != null && v.length() == 0) {
return null;
}
return v;
}
/**
* Builds the model configs from the models element.
*/
private static List buildModelConfigs(Element models) {
Elements modelElements = models.getChildElements();
List configs = new LinkedList<>();
ClassLoader loader = TetradApplicationConfig.getClassLoader();
for (int i = 0; i < modelElements.size(); i++) {
Element model = modelElements.get(i);
String name = model.getAttributeValue("name");
String acronym = model.getAttributeValue("acronym");
String help = model.getAttributeValue("help");
String category = model.getAttributeValue("category");
Class modelClass = null;
Class editorClass = null;
Class paramsClass = null;
Class paramsEditorClass = null;
TetradLoggerConfig loggerConfig = null;
Elements elements = model.getChildElements();
for (int k = 0; k < elements.size(); k++) {
Element element = elements.get(k);
if ("model-class".equals(element.getQualifiedName())) {
modelClass = TetradApplicationConfig.loadClass(loader, element.getValue());
} else if ("editor-class".equals(element.getQualifiedName())) {
editorClass = TetradApplicationConfig.loadClass(loader, element.getValue());
// } else if ("params-class".equals(element.getQualifiedName())) {
// paramsClass = loadClass(loader, element.getValue());
} else if ("params-editor-class".equals(element.getQualifiedName())) {
paramsEditorClass = TetradApplicationConfig.loadClass(loader, element.getValue());
} else if ("logger".equals(element.getQualifiedName())) {
loggerConfig = TetradApplicationConfig.configureLogger(element);
} else {
throw new IllegalStateException("Unknown element: " + element.getQualifiedName());
}
}
// if there is a logger config, add it with its model to the tetrad logger.
if (loggerConfig != null) {
TetradLogger.getInstance().addTetradLoggerConfig(modelClass, loggerConfig);
}
SessionNodeModelConfig config = new DefaultModelConfig(modelClass, paramsClass,
paramsEditorClass, editorClass, name, acronym, help, category);
configs.add(config);
}
return configs;
}
/**
* Configures the logger that the given element represents and returns its id.
*/
private static TetradLoggerConfig configureLogger(Element logger) {
Elements elements = logger.getChildElements();
List events = new LinkedList<>();
List defaultLog = new LinkedList<>();
for (int i = 0; i < elements.size(); i++) {
Element event = elements.get(i);
String eventId = event.getAttributeValue("id");
String description = event.getAttributeValue("description");
String defaultOption = event.getAttributeValue("default");
if ("on".equals(defaultOption)) {
defaultLog.add(eventId);
}
events.add(new DefaultTetradLoggerConfig.DefaultEvent(eventId, description));
}
TetradLoggerConfig config = new DefaultTetradLoggerConfig(events);
// set any defaults
for (String event : defaultLog) {
config.setEventActive(event, true);
}
return config;
}
/**
* Creates the display comp from an image/comp class. If the not null then it is given as an argument to the
* constructor of the given class. IF the givne comp is null then the default is used.
*/
private static SessionDisplayComp createDisplayComp(String image, Class compClass) {
if (compClass == null) {
return new StdDisplayComp(image);
}
try {
if (image == null) {
return (SessionDisplayComp) compClass.newInstance();
}
Constructor constructor = compClass.getConstructor(String.class);
return (SessionDisplayComp) constructor.newInstance(image);
} catch (Exception ex) {
throw new IllegalStateException("Could not create display component", ex);
}
}
private static Class loadClass(ClassLoader loader, String className) {
try {
return loader.loadClass(className.trim());
} catch (ClassNotFoundException e) {
throw new IllegalStateException("The class name " + className + " could not be found", e);
}
}
/**
* @return a class loader to use.
*/
private static ClassLoader getClassLoader() {
ClassLoader loader = Thread.currentThread().getContextClassLoader();
if (loader == null) {
loader = TetradApplicationConfig.class.getClassLoader();
}
// if its still null nothing we can do.
if (loader == null) {
throw new NullPointerException("Class loader was null could not load handler");
}
return loader;
}
/**
* removes newline and extra white space (Seems to be sensitive to this, when its html)
*/
private static String pruneNodeSpecificMessage(String text) {
int size = text.length();
int i = 0;
StringBuilder builder = new StringBuilder(size);
while (i < size) {
char c = text.charAt(i);
if (c == ' ') {
builder.append(' ');
// skip until non whitespace is found
while (i < size - 1 && c == ' ') {
i++;
c = text.charAt(i);
}
}
if (c != '\n') {
builder.append(c);
}
i++;
}
return builder.toString().trim();
}
private static boolean matches(Class[] params, Object[] arguments) {
if (params.length != arguments.length) {
return false;
}
for (int i = 0; i < params.length; i++) {
Class param = params[i];
if (!param.isInstance(arguments[i])) {
return false;
}
}
return true;
}
/**
* @param id - The id of the session config (e.g., "Graph" etc)
* @return the SessionNodeConfig to be used for the given id, or null if there isn't one defined for
* the given id.
*/
public SessionNodeConfig getSessionNodeConfig(String id) {
return this.configs.get(id);
}
/**
* @return the SessionNodeConfig that the given model is part of.
*/
public SessionNodeConfig getSessionNodeConfig(Class model) {
return this.classMap.get(model);
}
/**
* A map from ids to node configs.
*/
public Map getConfigs() {
return this.configs;
}
/**
* Default implementation of the session config. Most functionality is implemented by static methods from the
* outer-class.
*/
private static class DefaultNodeConfig implements SessionNodeConfig {
/**
* ALl the config info of the configuration.
*/
private final Map modelMap = new HashMap<>();
private final String id;
private List models;
private String image;
private Class compClass;
private String nodeSpecificMessage;
private String chooserTitle;
private Class chooserClass;
public DefaultNodeConfig(String id) {
if (id == null) {
throw new NullPointerException("The given id must not be null");
}
this.id = id;
}
public SessionNodeModelConfig getModelConfig(Class model) {
return this.modelMap.get(model);
}
public Class[] getModels() {
Class[] modelClasses = new Class[this.models.size()];
for (int i = 0; i < this.models.size(); i++) {
modelClasses[i] = this.models.get(i).getModel();
}
return modelClasses;
}
public String getNodeSpecificMessage() {
return this.nodeSpecificMessage;
}
private void setNodeSpecificMessage(String text) {
if (text == null) {
throw new NullPointerException("The node specific message text must not be null");
}
this.nodeSpecificMessage = TetradApplicationConfig.pruneNodeSpecificMessage(text);
}
public ModelChooser getModelChooserInstance(SessionNode sessionNode) {
ModelChooser chooser;
if (this.chooserClass == null) {
chooser = new DefaultModelChooser();
} else {
try {
chooser = (ModelChooser) this.chooserClass.newInstance();
chooser.setSessionNode(sessionNode);
} catch (InstantiationException | IllegalAccessException e) {
throw new IllegalStateException("Model chooser must have empty constructor", e);
}
}
Class[] consistentClasses = sessionNode.getConsistentModelClasses(false);
List filteredModels = new ArrayList<>();
for (SessionNodeModelConfig config : this.models) {
Class clazz = config.getModel();
boolean exists = false;
for (Class clazz2 : consistentClasses) {
if (clazz.equals(clazz2)) {
exists = true;
break;
}
}
if (exists) {
filteredModels.add(config);
}
}
chooser.setSessionNode(sessionNode);
chooser.setNodeId(this.id);
chooser.setTitle(this.chooserTitle);
chooser.setModelConfigs(new ArrayList<>(filteredModels));
chooser.setup();
return chooser;
}
public SessionDisplayComp getSessionDisplayCompInstance() {
return TetradApplicationConfig.createDisplayComp(this.image, this.compClass);
}
private void setChooser(String title, Class chooserClass) {
if (title == null) {
throw new NullPointerException("The chooser title must not be null");
}
this.chooserTitle = title;
this.chooserClass = chooserClass;
}
private void setDisplayComp(String image, Class comp) {
if (image == null && comp == null) {
throw new NullPointerException("Must have an image or a display component class defined");
}
this.image = image;
this.compClass = comp;
}
private void setSessionNodeModelConfig(List configs) {
this.models = configs;
for (SessionNodeModelConfig config : configs) {
this.modelMap.put(config.getModel(), config);
}
}
}
/**
* THe default implementation of the model config.
*/
private static class DefaultModelConfig implements SessionNodeModelConfig {
private final Class model;
private final Class paramsEditor;
private final Class editor;
private final String name;
private final String acronym;
private final String help;
private final String category;
public DefaultModelConfig(Class model, Class params, Class paramsEditor, Class editor,
String name, String acronym, String help, String category
) {
if (model == null || editor == null || name == null || acronym == null) {
throw new NullPointerException("Values must not be null");
}
this.model = model;
this.paramsEditor = paramsEditor;
this.editor = editor;
this.name = name;
this.help = help;
this.acronym = acronym;
this.category = category;
}
public String getHelpIdentifier() {
return this.help;
}
public String getCategory() {
return this.category;
}
public Class getModel() {
return this.model;
}
public String getName() {
return this.name;
}
public String getAcronym() {
return this.acronym;
}
public JPanel getEditorInstance(Object[] arguments) {
Class[] parameters = new Class[arguments.length];
for (int i = 0; i < arguments.length; i++) {
parameters[i] = arguments[i].getClass();
}
Constructor constructor = null;
try {
constructor = this.editor.getConstructor(parameters);
} catch (Exception ex) {
// do nothing, try to find a constructor below.
}
if (constructor == null) {
// try to find object-compatable constructor.
Constructor[] constructors = this.editor.getConstructors();
for (Constructor _constructor : constructors) {
Class[] params = _constructor.getParameterTypes();
if (TetradApplicationConfig.matches(params, arguments)) {
constructor = _constructor;
break;
}
}
}
if (constructor == null) {
throw new NullPointerException("Could not find constructor in " + this.editor + " for model: " + this.model);
}
try {
return (JPanel) constructor.newInstance(arguments);
} catch (Exception ex) {
throw new IllegalStateException("Could not construct editor", ex);
}
}
public ParameterEditor getParameterEditorInstance() {
if (this.paramsEditor != null) {
try {
return (ParameterEditor) this.paramsEditor.newInstance();
} catch (ClassCastException e) {
throw new IllegalStateException("Parameters editor must implement ParameterEditor", e);
} catch (Exception e) {
throw new IllegalStateException("Error intatiating params editor, must have empty constructor", e);
}
}
return null;
}
}
}
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