/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.karaf.shell.obr;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import org.apache.felix.bundlerepository.Reason;
import org.apache.felix.bundlerepository.Repository;
import org.apache.felix.bundlerepository.RepositoryAdmin;
import org.apache.felix.bundlerepository.Requirement;
import org.apache.felix.bundlerepository.Resolver;
import org.apache.felix.bundlerepository.Resource;
import org.apache.felix.gogo.commands.Argument;
import org.apache.felix.gogo.commands.Command;
import org.apache.felix.gogo.commands.Option;
@Command(scope = "obr", name = "resolve", description = "Show the resolution output for a given set of requirements")
public class ResolveCommand extends ObrCommandSupport {
@Option(name = "-w", aliases = "--why", description = "Display the reason of the inclusion of the resource")
boolean why;
@Option(name = "-l", aliases = "--no-local", description = "Ignore local resources during resolution")
boolean noLocal;
@Option(name = "--no-remote", description = "Ignore remote resources during resolution")
boolean noRemote;
@Option(name = "--deploy", description = "Deploy the selected bundles")
boolean deploy;
@Option(name = "--start", description = "Deploy and start the selected bundles")
boolean start;
@Option(name = "--optional", description = "Resolve optional dependencies")
boolean optional;
@Argument(index = 0, name = "requirements", description = "Requirements", required = true, multiValued = true)
List<String> requirements;
protected void doExecute(RepositoryAdmin admin) throws Exception {
List<Repository> repositories = new ArrayList<Repository>();
repositories.add(admin.getSystemRepository());
if (!noLocal) {
repositories.add(admin.getLocalRepository());
}
if (!noRemote) {
repositories.addAll(Arrays.asList(admin.listRepositories()));
}
Resolver resolver = admin.resolver(repositories.toArray(new Repository[repositories.size()]));
for (Requirement requirement : parseRequirements(admin, requirements)) {
resolver.add(requirement);
}
if (resolver.resolve(optional ? 0 : Resolver.NO_OPTIONAL_RESOURCES)) {
Resource[] resources;
resources = resolver.getRequiredResources();
if ((resources != null) && (resources.length > 0)) {
System.out.println("Required resource(s):");
printUnderline(System.out, 21);
for (int resIdx = 0; resIdx < resources.length; resIdx++) {
System.out.println(" " + resources[resIdx].getPresentationName() + " (" + resources[resIdx].getVersion() + ")");
if (why) {
Reason[] req = resolver.getReason(resources[resIdx]);
for (int reqIdx = 0; req != null && reqIdx < req.length; reqIdx++) {
if (!req[reqIdx].getRequirement().isOptional()) {
Resource r = req[reqIdx].getResource();
if (r != null) {
System.out.println(" - " + r.getPresentationName() + " / " + req[reqIdx].getRequirement().getName() + ":" + req[reqIdx].getRequirement().getFilter());
} else {
System.out.println(" - " + req[reqIdx].getRequirement().getName() + ":" + req[reqIdx].getRequirement().getFilter());
}
}
}
}
}
}
resources = resolver.getOptionalResources();
if ((resources != null) && (resources.length > 0)) {
System.out.println();
System.out.println("Optional resource(s):");
printUnderline(System.out, 21);
for (int resIdx = 0; resIdx < resources.length; resIdx++) {
System.out.println(" " + resources[resIdx].getPresentationName()
+ " (" + resources[resIdx].getVersion() + ")");
if (why) {
Reason[] req = resolver.getReason(resources[resIdx]);
for (int reqIdx = 0; req != null && reqIdx < req.length; reqIdx++) {
if (!req[reqIdx].getRequirement().isOptional()) {
Resource r = req[reqIdx].getResource();
if (r != null) {
System.out.println(" - " + r.getPresentationName() + " / " + req[reqIdx].getRequirement().getName() + ":" + req[reqIdx].getRequirement().getFilter());
} else {
System.out.println(" - " + req[reqIdx].getRequirement().getName() + ":" + req[reqIdx].getRequirement().getFilter());
}
}
}
}
}
}
if (deploy || start) {
try
{
System.out.print("\nDeploying...");
resolver.deploy(start ? Resolver.START : 0);
System.out.println("done.");
}
catch (IllegalStateException ex)
{
System.err.println(ex);
}
}
} else {
Reason[] reqs = resolver.getUnsatisfiedRequirements();
if ((reqs != null) && (reqs.length > 0)) {
System.out.println("Unsatisfied requirement(s):");
printUnderline(System.out, 27);
for (int reqIdx = 0; reqIdx < reqs.length; reqIdx++) {
System.out.println(" " + reqs[reqIdx].getRequirement().getName() + ":" + reqs[reqIdx].getRequirement().getFilter());
System.out.println(" " +reqs[reqIdx].getResource().getPresentationName());
}
} else {
System.out.println("Could not resolve targets.");
}
}
}
}