| /* |
| * 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.directory.api.util; |
| |
| |
| import java.util.Collections; |
| import java.util.LinkedList; |
| import java.util.List; |
| |
| import org.apache.directory.api.i18n.I18n; |
| |
| |
| /** |
| * A monitor that tracks both, mandatory and optional components. |
| * |
| * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a> |
| */ |
| public class MandatoryAndOptionalComponentsMonitor implements ComponentsMonitor |
| { |
| |
| /** The mandatory components monitor. */ |
| private ComponentsMonitor mandatoryComponentsMonitor; |
| |
| /** The optional components monitor. */ |
| private ComponentsMonitor optionalComponentsMonitor; |
| |
| |
| /** |
| * Instantiates a new mandatory and optional components monitor. The mandatory and optional |
| * components must be disjunct. |
| * |
| * @param mandatoryComponents the mandatory components |
| * @param optionalComponents the optional components |
| * @throws IllegalArgumentException if the same component is defined as mandatory and optional |
| */ |
| public MandatoryAndOptionalComponentsMonitor( String[] mandatoryComponents, String[] optionalComponents ) |
| throws IllegalArgumentException |
| { |
| // check for common elements |
| for ( int i = 0; i < mandatoryComponents.length; i++ ) |
| { |
| for ( int j = 0; j < optionalComponents.length; j++ ) |
| { |
| if ( mandatoryComponents[i].equals( optionalComponents[j] ) ) |
| { |
| throw new IllegalArgumentException( I18n.err( I18n.ERR_04415, mandatoryComponents[i] ) ); |
| } |
| } |
| } |
| |
| mandatoryComponentsMonitor = new MandatoryComponentsMonitor( mandatoryComponents ); |
| optionalComponentsMonitor = new OptionalComponentsMonitor( optionalComponents ); |
| } |
| |
| |
| /** |
| * {@inheritDoc} |
| */ |
| public ComponentsMonitor useComponent( String component ) |
| { |
| try |
| { |
| mandatoryComponentsMonitor.useComponent( component ); |
| } |
| catch ( IllegalArgumentException e1 ) |
| { |
| try |
| { |
| optionalComponentsMonitor.useComponent( component ); |
| } |
| catch ( IllegalArgumentException e2 ) |
| { |
| throw new IllegalArgumentException( I18n.err( I18n.ERR_04416, component ) ); |
| } |
| } |
| |
| return this; |
| } |
| |
| |
| /** |
| * {@inheritDoc} |
| */ |
| public boolean allComponentsUsed() |
| { |
| return ( mandatoryComponentsMonitor.allComponentsUsed() && optionalComponentsMonitor.allComponentsUsed() ); |
| } |
| |
| |
| /** |
| * {@inheritDoc} |
| */ |
| public boolean finalStateValid() |
| { |
| return ( mandatoryComponentsMonitor.finalStateValid() && optionalComponentsMonitor.finalStateValid() ); |
| } |
| |
| |
| /** |
| * {@inheritDoc} |
| */ |
| public List<String> getRemainingComponents() |
| { |
| List<String> remainingComponents = new LinkedList<String>(); |
| |
| remainingComponents.addAll( mandatoryComponentsMonitor.getRemainingComponents() ); |
| remainingComponents.addAll( optionalComponentsMonitor.getRemainingComponents() ); |
| |
| return Collections.unmodifiableList( remainingComponents ); |
| } |
| |
| } |