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/*******************************************************************************
* Copyright (c) 2007, 2008 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.equinox.internal.p2.ui.model;
import java.net.URL;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.core.runtime.jobs.ISchedulingRule;
import org.eclipse.equinox.internal.p2.ui.ProvUIMessages;
import org.eclipse.equinox.internal.provisional.p2.artifact.repository.IArtifactRepository;
import org.eclipse.equinox.internal.provisional.p2.artifact.repository.IArtifactRepositoryManager;
import org.eclipse.equinox.internal.provisional.p2.core.ProvisionException;
import org.eclipse.equinox.internal.provisional.p2.core.repository.IRepository;
import org.eclipse.equinox.internal.provisional.p2.metadata.IArtifactKey;
import org.eclipse.equinox.internal.provisional.p2.ui.ProvUIImages;
import org.eclipse.equinox.internal.provisional.p2.ui.model.RepositoryElement;
import org.eclipse.equinox.internal.provisional.p2.ui.operations.ProvisioningUtil;
import org.eclipse.osgi.util.NLS;
import org.eclipse.ui.progress.IDeferredWorkbenchAdapter;
import org.eclipse.ui.progress.IElementCollector;
/**
* Element wrapper class for a artifact repository that gets its
* contents in a deferred manner.
*
* @since 3.4
*/
public class ArtifactRepositoryElement extends ProvElement implements IDeferredWorkbenchAdapter, RepositoryElement {
URL url;
IArtifactRepository repo;
public ArtifactRepositoryElement(URL url) {
this.url = url;
}
public Object getAdapter(Class adapter) {
if (adapter == IArtifactRepository.class)
return getRepository(null);
if (adapter == IRepository.class)
return getRepository(null);
return super.getAdapter(adapter);
}
protected String getImageId(Object obj) {
return ProvUIImages.IMG_ARTIFACT_REPOSITORY;
}
protected Object[] fetchChildren(Object o, IProgressMonitor monitor) {
IArtifactRepository repository = (IArtifactRepository) getRepository(monitor);
if (repository == null)
return new ArtifactElement[0];
IArtifactKey[] keys = repository.getArtifactKeys();
ArtifactElement[] elements = new ArtifactElement[keys.length];
for (int i = 0; i < keys.length; i++) {
elements[i] = new ArtifactElement(keys[i], repo);
}
return elements;
}
public String getLabel(Object o) {
String name = getName();
if (name != null && name.length() > 0) {
return name;
}
return getLocation().toExternalForm();
}
public IRepository getRepository(IProgressMonitor monitor) {
if (repo == null)
try {
repo = ProvisioningUtil.loadArtifactRepository(url, monitor);
} catch (ProvisionException e) {
handleException(e, NLS.bind(ProvUIMessages.MetadataRepositoryElement_RepositoryLoadError, url));
}
return repo;
}
public ISchedulingRule getRule(Object object) {
return null;
}
public boolean isContainer() {
return true;
}
public void fetchDeferredChildren(Object o, IElementCollector collector, IProgressMonitor monitor) {
collector.add(fetchChildren(o, monitor), monitor);
}
public Object[] getChildren(Object o) {
return fetchChildren(o, null);
}
public Object getParent(Object o) {
return null;
}
/* (non-Javadoc)
* @see org.eclipse.equinox.internal.provisional.p2.ui.model.RepositoryElement#getURL()
*/
public URL getLocation() {
return url;
}
/*
* (non-Javadoc)
* @see org.eclipse.equinox.internal.provisional.p2.ui.model.RepositoryElement#getName()
*/
public String getName() {
try {
String name = ProvisioningUtil.getArtifactRepositoryProperty(url, IArtifactRepositoryManager.PROP_NAME);
if (name == null)
return ""; //$NON-NLS-1$
return name;
} catch (ProvisionException e) {
return ""; //$NON-NLS-1$
}
}
/*
* (non-Javadoc)
* @see org.eclipse.equinox.internal.provisional.p2.ui.model.RepositoryElement#getDescription()
*/
public String getDescription() {
try {
String description = ProvisioningUtil.getArtifactRepositoryProperty(url, IArtifactRepositoryManager.PROP_DESCRIPTION);
if (description == null)
return ""; //$NON-NLS-1$
return description;
} catch (ProvisionException e) {
return ""; //$NON-NLS-1$
}
}
}
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