# ImportedServiceDeclarationImpl.java

    /*
     * Copyright (c) 2007, Rickard Öberg. All Rights Reserved.
     * Copyright (c) 2012, Paul Merlin.
     *
     * Licensed 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.qi4j.runtime.bootstrap;

    import java.util.ArrayList;
    import java.util.Arrays;
    import java.util.Collections;
    import java.util.List;
    import org.qi4j.api.activation.Activator;
    import org.qi4j.api.common.Visibility;
    import org.qi4j.api.service.ServiceImporter;
    import org.qi4j.api.service.qualifier.ServiceTags;
    import org.qi4j.bootstrap.ImportedServiceDeclaration;

    /**
     * Declaration of an imported Service.
     */
    public final class ImportedServiceDeclarationImpl
        implements ImportedServiceDeclaration
    {
        private final Iterable<ImportedServiceAssemblyImpl> assemblies;

        public ImportedServiceDeclarationImpl( Iterable<ImportedServiceAssemblyImpl> assemblies )
        {
            this.assemblies = assemblies;
        }

        @Override
        public ImportedServiceDeclaration importOnStartup()
        {
            for( ImportedServiceAssemblyImpl assembly : assemblies )
            {
                assembly.importOnStartup = true;
            }
            return this;
        }

        @Override
        public ImportedServiceDeclaration visibleIn( Visibility visibility )
        {
            for( ImportedServiceAssemblyImpl assembly : assemblies )
            {
                assembly.visibility = visibility;
            }
            return this;
        }

        @Override
        @SuppressWarnings( "raw" )
        public ImportedServiceDeclaration importedBy( Class<? extends ServiceImporter> sip )
        {
            for( ImportedServiceAssemblyImpl assembly : assemblies )
            {
                assembly.serviceProvider = sip;
            }
            return this;
        }

        @Override
        public ImportedServiceDeclaration identifiedBy( String identity )
        {
            for( ImportedServiceAssemblyImpl assembly : assemblies )
            {
                assembly.identity = identity;
            }
            return this;
        }

        @Override
        public ImportedServiceDeclaration taggedWith( String... tags )
        {
            for( ImportedServiceAssemblyImpl serviceAssembly : assemblies )
            {
                ServiceTags previousTags = serviceAssembly.metaInfo.get( ServiceTags.class );
                if( previousTags != null )
                {
                    List<String> tagList = new ArrayList<>();
                    Collections.addAll( tagList, previousTags.tags() );
                    Collections.addAll( tagList, tags );
                    serviceAssembly.metaInfo.set( new ServiceTags( tagList.toArray( new String[ tagList.size() ] ) ) );
                }
                else
                {
                    serviceAssembly.metaInfo.set( new ServiceTags( tags ) );
                }
            }

            return this;
        }

        @Override
        public ImportedServiceDeclaration setMetaInfo( Object serviceAttribute )
        {
            for( ImportedServiceAssemblyImpl assembly : assemblies )
            {
                assembly.metaInfo.set( serviceAttribute );
            }
            return this;
        }

        @Override
        @SafeVarargs
        public final ImportedServiceDeclaration withActivators( Class<? extends Activator<?>>... activators )
        {
            for ( ImportedServiceAssemblyImpl serviceAssembly : assemblies ) {
                serviceAssembly.activators.addAll( Arrays.asList( activators ) );
            }
            return this;
        }
    }