public void validate()

in src/main/java/org/apache/maven/resolver/internal/ant/types/Dependencies.java [55:85]

• 31 lines of code
• 7 McCabe index (conditional complexity)

    public void validate( Task task )
    {
        if ( isReference() )
        {
            getRef().validate( task );
        }
        else
        {
            if ( getPom() != null && getPom().getFile() == null )
            {
                throw new BuildException( "A <pom> used for dependency resolution has to be backed by a pom.xml file" );
            }
            Map<String, String> ids = new HashMap<String, String>();
            for ( DependencyContainer container : containers )
            {
                container.validate( task );
                if ( container instanceof Dependency )
                {
                    Dependency dependency = (Dependency) container;
                    String id = dependency.getVersionlessKey();
                    String collision = ids.put( id, dependency.getVersion() );
                    if ( collision != null )
                    {
                        throw new BuildException( "You must not declare multiple <dependency> elements"
                            + " with the same coordinates but got " + id + " -> " + collision + " vs "
                            + dependency.getVersion() );
                    }
                }
            }
        }
    }