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/*******************************************************************************
* Copyright (c) 2000, 2004 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.pde.internal.core.schema;
import java.io.File;
import java.net.MalformedURLException;
import java.net.URL;
import org.eclipse.core.runtime.IPath;
import org.eclipse.core.runtime.Path;
import org.eclipse.pde.core.plugin.IPluginModelBase;
import org.eclipse.pde.internal.core.PDECore;
import org.eclipse.pde.internal.core.ischema.ISchema;
import org.eclipse.pde.internal.core.ischema.ISchemaDescriptor;
public class IncludedSchemaDescriptor implements ISchemaDescriptor {
private URL fSchemaURL;
private String fSchemaLocation;
private Schema fSchema;
private long fLastModified;
public IncludedSchemaDescriptor(URL schemaURL) {
fSchemaURL = schemaURL;
File file = new File(fSchemaURL.getFile());
if (file.exists())
fLastModified = file.lastModified();
}
public static URL computeURL(ISchemaDescriptor parentDesc, String schemaLocation) throws MalformedURLException {
if (schemaLocation.startsWith("schema://")) { //$NON-NLS-1$
// extract plug-in ID
IPath path = new Path( schemaLocation.substring(9));
return getPluginRelativePath(path.segment(0), path.removeFirstSegments(1), parentDesc.getSchemaURL());
}
// parent-relative location
URL parentURL = parentDesc.getSchemaURL();
IPath path = new Path(parentURL.getPath());
path = path.removeLastSegments(1).append(schemaLocation);
return new URL(parentURL.getProtocol(), parentURL.getHost(), path.toString());
}
private static URL getPluginRelativePath(String pluginID, IPath path, URL parentURL) {
URL url = SchemaRegistry.getSchemaURL(pluginID, path.toString());
if (url == null) {
IPluginModelBase model = PDECore.getDefault().getModelManager().findModel(pluginID);
if (model != null)
url = SchemaRegistry.getSchemaFromSourceExtension(model.getPluginBase(), path);
}
try {
if (url == null && parentURL != null){
File file = new File(parentURL.getFile(), "../../../" + pluginID + "/" + path.toString()); //$NON-NLS-1$ //$NON-NLS-2$
if (file.exists() && file.isFile())
url = file.toURL();
}
} catch (MalformedURLException e) {
}
return url;
}
/**
* @see org.eclipse.pde.internal.core.schema.AbstractSchemaDescriptor#isEnabled()
*/
public boolean isEnabled() {
return true;
}
/**
* @see org.eclipse.pde.internal.core.ischema.ISchemaDescriptor#getPointId()
*/
public String getPointId() {
int dotLoc = fSchemaLocation.lastIndexOf('.');
if (dotLoc!= -1) {
return fSchemaLocation.substring(0, dotLoc);
}
return null;
}
/**
* @see org.eclipse.pde.internal.core.ischema.ISchemaDescriptor#getSchemaURL()
*/
public URL getSchemaURL() {
return fSchemaURL;
}
/* (non-Javadoc)
* @see org.eclipse.pde.internal.core.ischema.ISchemaDescriptor#getSchema(boolean)
*/
public ISchema getSchema(boolean abbreviated) {
if (fSchema == null && fSchemaURL != null) {
fSchema = new Schema(this, fSchemaURL, abbreviated);
fSchema.load();
}
return fSchema;
}
/* (non-Javadoc)
* @see org.eclipse.pde.internal.core.ischema.ISchemaDescriptor#isStandalone()
*/
public boolean isStandalone() {
return false;
}
/* (non-Javadoc)
* @see org.eclipse.pde.internal.core.ischema.ISchemaDescriptor#getLastModified()
*/
public long getLastModified() {
return fLastModified;
}
}
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