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/*******************************************************************************
* Copyright (c) 2004, 2006 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.emf.emfatic.core.generator.ecore;
import java.io.BufferedReader;
import java.io.File;
import java.io.FileInputStream;
import java.io.InputStreamReader;
import org.eclipse.core.resources.IFile;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.core.runtime.NullProgressMonitor;
import org.eclipse.emf.common.util.URI;
import org.eclipse.emf.ecore.resource.Resource;
import org.eclipse.emf.ecore.resource.ResourceSet;
import org.eclipse.emf.ecore.resource.impl.ResourceSetImpl;
import org.eclipse.emf.ecore.xmi.impl.XMIResourceFactoryImpl;
import org.eclipse.emf.emfatic.core.lang.gen.parser.EmfaticParserDriver;
import org.eclipse.gymnast.runtime.core.parser.ParseContext;
import org.eclipse.gymnast.runtime.core.parser.ParseMessage;
import org.eclipse.gymnast.runtime.core.util.MarkerUtil;
/**
*
* @author cjdaly@us.ibm.com
*/
public class EcoreGenerator {
public EcoreGenerator() {
}
public void generate(IFile emfFile, IProgressMonitor monitor) {
generate(emfFile, true, monitor);
}
public void generate(IFile emfFile, boolean writeEcore, IProgressMonitor monitor) {
try {
BufferedReader reader = new BufferedReader(new InputStreamReader(emfFile.getContents()));
EmfaticParserDriver parser = new EmfaticParserDriver();
ParseContext parseContext = parser.parse(reader);
String filePath = getEcoreFilePath(emfFile);
Resource resource = createResource(filePath, true);
Builder builder = new Builder();
builder.build(parseContext, resource, monitor);
if (!parseContext.hasErrors()) {
Connector connector = new Connector(builder);
connector.connect(parseContext, resource, monitor);
}
MarkerUtil.updateMarkers(emfFile, parseContext);
boolean showStopper = false;
/*
* we let ecores to be written as long as they contain only errors
* detected by EcoreValidatorDiagnostic, as such errors can be
* solved with Sample Ecore Editor
*/
for (ParseMessage pm : parseContext.getMessages()) {
showStopper |= !(pm instanceof EmfaticSemanticWarning.EcoreValidatorDiagnostic);
}
if (!showStopper && writeEcore)
resource.save(null);
} catch (Exception ex) {
ex.printStackTrace();
}
}
public void generate(File emfFile, boolean writeEcore) throws Exception {
NullProgressMonitor monitor = new NullProgressMonitor();
BufferedReader reader = new BufferedReader(new InputStreamReader(new FileInputStream(emfFile)));
EmfaticParserDriver parser = new EmfaticParserDriver();
ParseContext parseContext = parser.parse(reader);
String filePath = emfFile.getAbsolutePath().replaceAll("\\.emf$", ".ecore");
Resource resource = createResource(filePath, false);
Builder builder = new Builder();
builder.build(parseContext, resource, monitor);
if (!parseContext.hasErrors() && writeEcore) {
Connector connector = new Connector(builder);
connector.connect(parseContext, resource, monitor);
resource.save(null);
}
else {
String message = parseContext.getMessages()[0].getMessage();
message = message.replaceAll("\\r|\\n", " ");
message = message.trim();
throw new Exception("Syntax error: " + message);
}
}
private String getEcoreFilePath(IFile emfFile) {
String emfFileExt = emfFile.getFileExtension();
int extLen = emfFileExt != null ? emfFileExt.length() + 1 : 0;
String emfFileName = emfFile.getName();
String fileName = emfFileName.substring(0, emfFileName.length() - extLen);
fileName = fileName + ".ecore";
String filePath = emfFile.getFullPath().removeLastSegments(1).append(fileName).toString();
return filePath;
}
private Resource createResource(String filePath, boolean inWorkspace) {
ResourceSet resourceSet = new ResourceSetImpl();
URI uri = null;
if (!inWorkspace) {
resourceSet.getResourceFactoryRegistry().getExtensionToFactoryMap().put("ecore", new XMIResourceFactoryImpl());
uri = URI.createFileURI(filePath);
}
else {
uri = URI.createPlatformResourceURI(filePath, false);
}
Resource resource = resourceSet.createResource(uri);
return resource;
}
}
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