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/*******************************************************************************
* Copyright (c) 2009, 2011 IBM Corporation and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* IBM Corporation - initial API and implementation
******************************************************************************/
package org.eclipse.e4.ui.internal.workbench.swt;
import java.lang.reflect.Field;
import java.util.Map;
import java.util.Set;
import java.util.TreeMap;
import java.util.TreeSet;
import org.eclipse.e4.ui.model.application.commands.impl.CommandsPackageImpl;
import org.eclipse.e4.ui.model.application.descriptor.basic.impl.BasicPackageImpl;
import org.eclipse.e4.ui.model.application.impl.ApplicationPackageImpl;
import org.eclipse.e4.ui.model.application.ui.advanced.impl.AdvancedPackageImpl;
import org.eclipse.e4.ui.model.application.ui.impl.UiPackageImpl;
import org.eclipse.e4.ui.model.application.ui.menu.impl.MenuPackageImpl;
import org.eclipse.emf.common.util.EList;
import org.eclipse.emf.ecore.EClass;
import org.eclipse.emf.ecore.EStructuralFeature;
import org.eclipse.equinox.app.IApplication;
import org.eclipse.equinox.app.IApplicationContext;
public class GenTopic implements IApplication {
public Object start(IApplicationContext context) throws Exception {
try {
processLiterals(CommandsPackageImpl.Literals.class);
processLiterals(BasicPackageImpl.Literals.class);
processLiterals(ApplicationPackageImpl.Literals.class);
processLiterals(AdvancedPackageImpl.Literals.class);
processLiterals(org.eclipse.e4.ui.model.application.ui.basic.impl.BasicPackageImpl.Literals.class);
processLiterals(UiPackageImpl.Literals.class);
processLiterals(MenuPackageImpl.Literals.class);
// Add a newline to the last generated line
System.out.println();
} catch (Exception e) {
e.printStackTrace();
}
return IApplication.EXIT_OK;
}
private void processLiterals(Class<?> literals)
throws IllegalArgumentException, IllegalAccessException {
Field[] fields = literals.getFields();
Map<String, EClass> classes = new TreeMap<String, EClass>();
for (int i = 0; i < fields.length; i++) {
Object value = fields[i].get(null);
if (value instanceof EClass) {
classes.put(((EClass) value).getName(), (EClass) value);
}
}
for (EClass ec : classes.values()) {
processEClass(ec);
}
}
private static final String interfaceDeclaration = "\n\tpublic static interface %s {";
private static final String deprecatedTopicDeclaration = "\n\n\t@Deprecated\n\tpublic static final String ALL = \"org/eclipse/e4/ui/model/%s/%s\"; //$NON-NLS-1$\n";
private static final String topicAllDeclaration = "\n\tpublic static final String TOPIC_ALL = \"org/eclipse/e4/ui/model/%s/%s/*\"; //$NON-NLS-1$";
private static final String topicAttributeDeclaration = "\n\tpublic static final String TOPIC_%S = \"org/eclipse/e4/ui/model/%s/%s/%s/*\"; //$NON-NLS-1$";
private static final String attributeDeclaration = "\n\tpublic static final String %S = \"%s\"; //$NON-NLS-1$";
private void processEClass(EClass eClass) {
EList<EStructuralFeature> features = eClass.getEStructuralFeatures();
if (features.isEmpty()) {
return;
}
String pkgName = eClass.getEPackage().getName();
String className = eClass.getName();
System.out.print("\r\r\t@SuppressWarnings(\"javadoc\")");
System.out.print(String.format(interfaceDeclaration, className));
System.out.print("\n\n\t//Topics that can be subscribed to");
System.out.print(String.format(deprecatedTopicDeclaration, pkgName,
className));
System.out
.print(String.format(topicAllDeclaration, pkgName, className));
Set<String> names = new TreeSet<String>();
for (EStructuralFeature feature : features) {
names.add(feature.getName());
}
for (String name : names) {
System.out.print(String.format(topicAttributeDeclaration, name,
pkgName, className, name));
}
System.out.print("\n"); //$NON-NLS-1$
System.out
.print("\n\t//Attributes that can be tested in event handlers");
for (String name : names) {
System.out.print(String.format(attributeDeclaration, name, name));
}
System.out.print("\n\t}"); //$NON-NLS-1$
}
public void stop() {
// nothing to do
}
}
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