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/*******************************************************************************
* Copyright (c) 2010, 2011 Oracle. 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:
* Oracle - initial API and implementation
*******************************************************************************/
package org.eclipse.jpt.jaxb.core.internal;
import java.util.Collections;
import java.util.HashMap;
import java.util.Map;
import org.eclipse.emf.common.notify.Adapter;
import org.eclipse.emf.common.notify.Notification;
import org.eclipse.emf.common.notify.impl.AdapterImpl;
import org.eclipse.emf.ecore.resource.Resource;
import org.eclipse.jpt.jaxb.core.JaxbProject;
import org.eclipse.jpt.jaxb.core.JptJaxbCorePlugin;
import org.eclipse.jpt.jaxb.core.SchemaLibrary;
import org.eclipse.jpt.jaxb.core.xsd.XsdUtil;
import org.eclipse.xsd.XSDSchema;
import org.eclipse.xsd.util.XSDResourceImpl;
public class SchemaLibraryImpl
implements SchemaLibrary {
private JaxbProject project;
private final Map<String, String> schemaLocations;
private final Map<String, XSDResourceImpl> schemaResources;
private Adapter schemaResourceAdapter = new SchemaResourceAdapter();
SchemaLibraryImpl(JaxbProject project) {
this.project = project;
this.schemaLocations = new HashMap<String, String>();
this.schemaResources = new HashMap<String, XSDResourceImpl>();
readProjectPreferences();
}
public XSDSchema getSchema(String namespace) {
String resolvedUri = getResolvedUri(namespace);
if (resolvedUri == null) {
return null;
}
XSDResourceImpl schemaResource = this.schemaResources.get(namespace);
XSDSchema schema = (schemaResource == null) ? null : schemaResource.getSchema();
if (schemaResource != null) {
if (schema != null && schemaResource.getURI().toString().equals(resolvedUri) && schemaResource.isLoaded()) {
return schema;
}
else {
removeSchemaResource(namespace, schemaResource);
}
}
return addSchema(namespace, resolvedUri);
}
protected String getResolvedUri(String namespace) {
String location = this.schemaLocations.get(namespace);
return XsdUtil.getResolvedUri(namespace, location);
}
protected XSDSchema addSchema(String namespace, String resolvedUri) {
XSDSchema schema = XsdUtil.buildXSDModel(resolvedUri);
XSDResourceImpl schemaResource = (XSDResourceImpl) schema.eResource();
if (schemaResource != null) {
schemaResource.eAdapters().add(this.schemaResourceAdapter);
this.schemaResources.put(namespace, schemaResource);
return schema;
}
return null;
}
protected void removeSchemaResource(XSDResourceImpl schemaResource) {
for (String namespace : this.schemaResources.keySet()) {
if (schemaResource.equals(this.schemaResources.get(namespace))) {
removeSchemaResource(namespace, schemaResource);
}
}
}
protected void removeSchemaResource(String namespace, XSDResourceImpl schemaResource) {
schemaResource.eAdapters().remove(this.schemaResourceAdapter);
this.schemaResources.remove(namespace);
}
protected void readProjectPreferences() {
Map<String, String> schemaMap = JptJaxbCorePlugin.getSchemaLocationMap(this.project.getProject());
this.schemaLocations.putAll(schemaMap);
}
public Map<String, String> getSchemaLocations() {
return Collections.unmodifiableMap(this.schemaLocations);
}
public void setSchemaLocations(Map<String, String> schemaLocations) {
this.schemaLocations.clear();
JptJaxbCorePlugin.setSchemaLocationMap(this.project.getProject(), schemaLocations);
readProjectPreferences();
}
private class SchemaResourceAdapter
extends AdapterImpl {
@Override
public void notifyChanged(Notification msg) {
if (msg.getFeatureID(Resource.class) == Resource.RESOURCE__IS_LOADED
&& msg.getNewBooleanValue() == false) {
removeSchemaResource((XSDResourceImpl) msg.getNotifier());
}
}
}
}
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