io.bdeploy.api.product.v1.impl.MultiLocalDependencyFetcher Maven / Gradle / Ivy

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Public API including dependencies, ready to be used for integrations and plugins.

There is a newer version: 7.3.6

package io.bdeploy.api.product.v1.impl;

import java.util.List;
import java.util.Set;
import java.util.SortedSet;
import java.util.TreeSet;

import io.bdeploy.api.product.v1.DependencyFetcher;
import io.bdeploy.bhive.BHive;
import io.bdeploy.bhive.model.Manifest;
import io.bdeploy.bhive.model.Manifest.Key;
import io.bdeploy.bhive.model.ObjectId;
import io.bdeploy.bhive.op.CopyOperation;
import io.bdeploy.bhive.op.ObjectListOperation;
import io.bdeploy.common.util.OsHelper.OperatingSystem;

public class MultiLocalDependencyFetcher implements DependencyFetcher {

    private final List sources;

    public MultiLocalDependencyFetcher(List sources) {
        this.sources = sources;
    }

    @Override
    public SortedSet fetch(BHive target, SortedSet specs, OperatingSystem os) {
        SortedSet smks = new TreeSet<>();
        // make sure all dependencies are satisfied
        for (String dep : specs) {
            smks.add(this.resolveDependency(target, dep, os));
        }
        return smks;
    }

    private Key resolveDependency(BHive target, String dep, OperatingSystem os) {
        // check if dependency is in the target
        Key resolved = LocalDependencyFetcher.resolveSingleLocal(target, dep, os);
        if (resolved != null) {
            return resolved;
        }

        // check if dependency is in some source
        for (BHive source : sources) {
            resolved = LocalDependencyFetcher.resolveSingleLocal(source, dep, os);
            if (resolved != null) {
                // copy found dependency into target
                copyDependency(source, target, resolved);
                return resolved;
            }
        }

        throw new IllegalStateException("Cannot resolve dependency " + dep + " for " + os);
    }

    private static void copyDependency(BHive source, BHive target, Key resolved) {
        Set objectIds = source.execute(new ObjectListOperation().addManifest(resolved));
        CopyOperation op = new CopyOperation().setDestinationHive(target).addManifest(resolved).addObject(objectIds);
        source.execute(op);
    }
}