001/**
002 * Licensed to the Apache Software Foundation (ASF) under one or more
003 * contributor license agreements.  See the NOTICE file distributed with
004 * this work for additional information regarding copyright ownership.
005 * The ASF licenses this file to You under the Apache License, Version 2.0
006 * (the "License"); you may not use this file except in compliance with
007 * the License.  You may obtain a copy of the License at
008 *
009 *      http://www.apache.org/licenses/LICENSE-2.0
010 *
011 * Unless required by applicable law or agreed to in writing, software
012 * distributed under the License is distributed on an "AS IS" BASIS,
013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
014 * See the License for the specific language governing permissions and
015 * limitations under the License.
016 */
017package org.apache.camel.impl.scan;
018
019import java.util.LinkedHashSet;
020import java.util.Set;
021
022import org.apache.camel.spi.PackageScanFilter;
023
024/**
025 * <code>CompositePackageScanFilter</code> allows multiple
026 * {@link PackageScanFilter}s to be composed into a single filter. For a
027 * {@link Class} to match a {@link CompositePackageScanFilter} it must match
028 * each of the filters the composite contains
029 */
030public class CompositePackageScanFilter implements PackageScanFilter {
031    private Set<PackageScanFilter> filters;
032
033    public CompositePackageScanFilter() {
034        filters = new LinkedHashSet<PackageScanFilter>();
035    }
036
037    public CompositePackageScanFilter(Set<PackageScanFilter> filters) {
038        this.filters = new LinkedHashSet<PackageScanFilter>(filters);
039    }
040
041    public void addFilter(PackageScanFilter filter) {
042        filters.add(filter);
043    }
044
045    public boolean matches(Class<?> type) {
046        for (PackageScanFilter filter : filters) {
047            if (!filter.matches(type)) {
048                return false;
049            }
050        }
051        return true;
052    }
053}