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/*******************************************************************************
* Copyright (c) 2008 Code 9 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:
* Code 9 - initial API and implementation
* IBM - Progress monitor handling and error handling
******************************************************************************/
package org.eclipse.equinox.p2.publisher.actions;
import java.util.*;
import org.eclipse.core.runtime.*;
import org.eclipse.equinox.internal.p2.publisher.Activator;
import org.eclipse.equinox.internal.p2.publisher.Messages;
import org.eclipse.equinox.internal.provisional.p2.metadata.*;
import org.eclipse.equinox.internal.provisional.p2.metadata.MetadataFactory.InstallableUnitDescription;
import org.eclipse.equinox.internal.provisional.p2.metadata.query.InstallableUnitQuery;
import org.eclipse.equinox.internal.provisional.p2.query.Collector;
import org.eclipse.equinox.p2.publisher.*;
import org.eclipse.equinox.p2.publisher.eclipse.ITouchpointAdvice;
import org.eclipse.equinox.spi.p2.publisher.PublisherHelper;
import org.eclipse.osgi.service.resolver.VersionRange;
import org.eclipse.osgi.util.NLS;
import org.osgi.framework.Version;
/**
* Create a top level IU that lists all the current roots as well as any explicitly identified
* top level IUs.
*/
public class RootIUAction extends AbstractPublisherAction {
private Version version;
private String id;
private String name;
private Collection versionAdvice;
private IPublisherInfo info;
public RootIUAction(String id, Version version, String name) {
this.id = id;
this.version = version;
this.name = name;
}
public IStatus perform(IPublisherInfo info, IPublisherResult results, IProgressMonitor monitor) {
this.info = info;
return generateRootIU(results);
}
protected IStatus generateRootIU(IPublisherResult result) {
Collection children = getChildren(result);
InstallableUnitDescription descriptor = createTopLevelIUDescription(children, id, version, name, null, false);
processCapabilityAdvice(descriptor, info);
processTouchpointAdvice(descriptor);
IInstallableUnit rootIU = MetadataFactory.createInstallableUnit(descriptor);
if (rootIU == null)
return new Status(IStatus.ERROR, Activator.ID, NLS.bind(Messages.error_rootIU_generation, new Object[] {name, id, version}));
result.addIU(rootIU, IPublisherResult.NON_ROOT);
return Status.OK_STATUS;
// TODO why do we create a category here?
// result.addIU(generateDefaultCategory(rootIU, rootCategory), IPublisherResult.NON_ROOT);
}
private void processTouchpointAdvice(InstallableUnitDescription descriptor) {
Collection allAdvice = info.getAdvice(null, true, id, version, ITouchpointAdvice.class);
if (allAdvice == null || allAdvice.isEmpty())
return;
TouchpointData touchpointData = MetadataFactory.createTouchpointData(Collections.EMPTY_MAP);
for (Iterator it = allAdvice.iterator(); it.hasNext();)
touchpointData = ((ITouchpointAdvice) it.next()).getTouchpointData(touchpointData);
descriptor.addTouchpointData(touchpointData);
}
/**
* This was copied over from Generator to match up with the call from generateRootIU (above).
* It is entirely unclear why it was needed. Should review.
* Short term fix to ensure IUs that have no corresponding category are not lost.
* See https://bugs.eclipse.org/bugs/show_bug.cgi?id=211521.
*/
// private IInstallableUnit generateDefaultCategory(IInstallableUnit rootIU) {
// rootCategory.add(rootIU);
//
// InstallableUnitDescription cat = new MetadataFactory.InstallableUnitDescription();
// cat.setSingleton(true);
// String categoryId = rootIU.getId() + ".categoryIU"; //$NON-NLS-1$
// cat.setId(categoryId);
// cat.setVersion(Version.emptyVersion);
// cat.setProperty(IInstallableUnit.PROP_NAME, rootIU.getProperty(IInstallableUnit.PROP_NAME));
// cat.setProperty(IInstallableUnit.PROP_DESCRIPTION, rootIU.getProperty(IInstallableUnit.PROP_DESCRIPTION));
//
// ArrayList required = new ArrayList(rootCategory.size());
// for (Iterator iterator = rootCategory.iterator(); iterator.hasNext();) {
// IInstallableUnit iu = (IInstallableUnit) iterator.next();
// required.add(MetadataFactory.createRequiredCapability(IInstallableUnit.NAMESPACE_IU_ID, iu.getId(), VersionRange.emptyRange, iu.getFilter(), false, false));
// }
// cat.setRequiredCapabilities((RequiredCapability[]) required.toArray(new RequiredCapability[required.size()]));
// cat.setCapabilities(new ProvidedCapability[] {MetadataFactory.createProvidedCapability(IInstallableUnit.NAMESPACE_IU_ID, categoryId, Version.emptyVersion)});
// cat.setArtifacts(new IArtifactKey[0]);
// cat.setProperty(IInstallableUnit.PROP_TYPE_CATEGORY, "true"); //$NON-NLS-1$
// return MetadataFactory.createInstallableUnit(cat);
// }
private Collection getChildren(IPublisherResult result) {
// get any roots that we have accummulated so far and search for
// children from the advice.
HashSet children = new HashSet();
Collection rootAdvice = info.getAdvice(null, true, null, null, IRootIUAdvice.class);
if (rootAdvice == null)
return children;
for (Iterator i = rootAdvice.iterator(); i.hasNext();) {
IRootIUAdvice advice = (IRootIUAdvice) i.next();
Collection list = advice.getChildren(result);
if (list != null)
for (Iterator j = list.iterator(); j.hasNext();) {
Object object = j.next();
// if the advice is a string, look it up in the result. if not there then
// query the known metadata repos
if (object instanceof String) {
String childId = (String) object;
IInstallableUnit iu = result.getIU(childId, null);
if (iu == null)
iu = queryFor(childId);
if (iu != null)
children.add(iu);
} else if (object instanceof IInstallableUnit)
children.add(object);
}
}
return children;
}
/**
* Loop over the known metadata repositories looking for the given IU.
* Return the first IU found.
* @param iuId the id of the IU to look for
* @return the first matching IU or <code>null</code> if none.
*/
private IInstallableUnit queryFor(String iuId) {
InstallableUnitQuery query = new InstallableUnitQuery(iuId, getVersionAdvice(iuId));
if (info.getMetadataRepository() == null)
return null;
Collector result = info.getMetadataRepository().query(query, new Collector(), new NullProgressMonitor());
if (!result.isEmpty())
return (IInstallableUnit) result.iterator().next();
return null;
}
private InstallableUnitDescription createTopLevelIUDescription(Collection children, String id, Version version, String name, Collection requires, boolean configureLauncherData) {
InstallableUnitDescription root = new MetadataFactory.InstallableUnitDescription();
root.setSingleton(true);
root.setId(id);
root.setVersion(version);
root.setProperty(IInstallableUnit.PROP_NAME, name);
Collection requiredCapabilities = createIURequirements(children);
if (requires != null)
requiredCapabilities.addAll(requires);
root.setRequiredCapabilities((RequiredCapability[]) requiredCapabilities.toArray(new RequiredCapability[requiredCapabilities.size()]));
root.setArtifacts(new IArtifactKey[0]);
root.setProperty("lineUp", "true"); //$NON-NLS-1$ //$NON-NLS-2$
root.setUpdateDescriptor(MetadataFactory.createUpdateDescriptor(id, VersionRange.emptyRange, IUpdateDescriptor.NORMAL, null));
root.setProperty(IInstallableUnit.PROP_TYPE_GROUP, Boolean.TRUE.toString());
root.setCapabilities(new ProvidedCapability[] {createSelfCapability(id, version)});
// TODO why is the type OSGI?
root.setTouchpointType(PublisherHelper.TOUCHPOINT_OSGI);
return root;
}
private Version getVersionAdvice(String iuID) {
if (versionAdvice == null) {
versionAdvice = info.getAdvice(null, true, null, null, IVersionAdvice.class);
if (versionAdvice == null)
return null;
}
for (Iterator i = versionAdvice.iterator(); i.hasNext();) {
IVersionAdvice advice = (IVersionAdvice) i.next();
// TODO have to figure a way to know the namespace here. for now just look everywhere
Version result = advice.getVersion(IVersionAdvice.NS_BUNDLE, iuID);
if (result != null)
return result;
result = advice.getVersion(IVersionAdvice.NS_FEATURE, iuID);
if (result != null)
return result;
}
return null;
}
}
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