1 package org.apache.maven.shared.dependency.graph.internal.maven30;
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22 import java.util.Collection;
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24 import org.apache.maven.shared.dependency.graph.internal.maven30.ConflictResolver.ConflictContext;
25 import org.apache.maven.shared.dependency.graph.internal.maven30.ConflictResolver.ConflictItem;
26 import org.apache.maven.shared.dependency.graph.internal.maven30.ConflictResolver.OptionalitySelector;
27 import org.sonatype.aether.RepositoryException;
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35 public class SimpleOptionalitySelector
36 extends OptionalitySelector
37 {
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39 @Override
40 public void selectOptionality( ConflictContext context )
41 throws RepositoryException
42 {
43 boolean optional = chooseEffectiveOptionality( context.getItems() );
44 context.setOptional( optional );
45 }
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47 private boolean chooseEffectiveOptionality( Collection<ConflictItem> items )
48 {
49 boolean optional = true;
50 for ( ConflictItem item : items )
51 {
52 if ( item.getDepth() <= 1 )
53 {
54 return item.getDependency().isOptional();
55 }
56 if ( ( item.getOptionalities() & ConflictItem.OPTIONAL_FALSE ) != 0 )
57 {
58 optional = false;
59 }
60 }
61 return optional;
62 }
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64 }