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/*******************************************************************************
* Copyright (c) 2001, 2005 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.jem.internal.java.adapters;
/*
* $RCSfile: JavaXMIFactoryImpl.java,v $
* $Revision: 1.8 $ $Date: 2005/09/14 23:30:35 $
*/
import java.io.IOException;
import java.util.*;
import org.eclipse.emf.common.util.URI;
import org.eclipse.emf.ecore.EObject;
import org.eclipse.emf.ecore.resource.Resource;
import org.eclipse.emf.ecore.xmi.XMIResource;
import org.eclipse.emf.ecore.xmi.impl.XMIResourceFactoryImpl;
import org.eclipse.emf.ecore.xmi.impl.XMIResourceImpl;
import org.eclipse.jem.java.JavaPackage;
import org.eclipse.jem.java.JavaRefFactory;
import org.eclipse.jem.java.adapters.*;
import org.eclipse.jem.java.internal.impl.JavaFactoryImpl;
/**
* Factory to create the Resource for the Java protocol.
*
* It allows extensions to the reflection key to be registered with it.
*
* Creation date: (10/4/2000 8:22:23 AM)
* @author: Administrator
*/
public class JavaXMIFactoryImpl extends XMIResourceFactoryImpl implements JavaXMIFactory {
private static final String SCHEMA_SEPERATOR = ":/"; //$NON-NLS-1$
protected List extensions = new ArrayList();
/**
* JavaXMIFactoryImpl constructor comment.
*/
public JavaXMIFactoryImpl() {
super();
}
public void registerReflectionKeyExtension(IJavaReflectionKeyExtension extension) {
extensions.add(extension);
}
public void deregisterReflectionKeyExtension(IJavaReflectionKeyExtension extension) {
extensions.remove(extension);
}
protected void createJavaPackage(String packageName, String xmiuri, Resource resource) {
// changed to allow a zero-length package name
// for the special case of "java:/#int", etc.
JavaRefFactory jfac = JavaRefFactory.eINSTANCE;
JavaPackage pack = jfac.createJavaPackage();
// Need to create and add special JavaFactory for instantiation to work.
JavaFactoryImpl fact = new JavaFactoryImpl();
pack.setEFactoryInstance(fact);
if (packageName.length() > 0) {
// Standard Java package
pack.setNsPrefix(packageName);
pack.setName(packageName);
} else {
// Primitive package
pack.setNsPrefix(JavaPackage.PRIMITIVE_PACKAGE_NAME);
pack.setName(JavaPackage.PRIMITIVE_PACKAGE_NAME);
}
pack.setNsURI(xmiuri);
resource.getContents().add(pack);
((XMIResource) pack.eResource()).setID(pack, JavaPackage.PACKAGE_ID);
}
public static class JavaXMIResource extends XMIResourceImpl {
protected IJavaReflectionKey reflectionKey;
public JavaXMIResource(URI uri) {
super(uri);
}
public void setReflectionKey(IJavaReflectionKey key) {
reflectionKey = key;
}
public void load(Map options) throws IOException {
try {
super.load(options);
} catch (Exception exception) {
}
}
public EObject getEObject(String uriFragment) {
EObject result = super.getEObject(uriFragment);
if (result == null && reflectionKey != null) {
result = (EObject) reflectionKey.get(uriFragment);
}
return result;
}
/**
* Used by JavaReflectionKey to look directly into ID table to bypass an infinite loop. It will
* call here because it may not of first been found, but then added, so now is found.
*
* @param uriFragment
* @return
*
* @since 1.1.0
*/
EObject primGetEObject(String uriFragment) {
return super.getEObject(uriFragment);
}
/* (non-Javadoc)
* @see org.eclipse.emf.ecore.xmi.impl.XMLResourceImpl#useIDAttributes()
*/
protected boolean useIDAttributes() {
return false;
}
}
public Resource createResource(URI uri) {
JavaXMIResource resource = new JavaXMIResource(uri);
resource.setReflectionKey(new JavaReflectionKey(extensions, resource));
String uriString = uri.toString();
createJavaPackage(stripScheme(uriString), uriString, resource);
return resource;
}
public static void register() {
Resource.Factory.Registry.INSTANCE.getProtocolToFactoryMap().put(JavaXMIFactory.SCHEME, JavaXMIFactory.INSTANCE);
}
/**
* Strip the trailing identifier, if any, from the uri. An identifier
* begins with # or |.
*/
private String stripScheme(String uri) {
int index = uri.indexOf(SCHEMA_SEPERATOR);
if (index != -1)
return uri.substring(index + SCHEMA_SEPERATOR.length(), uri.length());
else
return uri;
}
}
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