StaticContextMemberProvider.java

package org.apache.maven.index.context;

/*
 * 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.
 */

import java.util.ArrayList;
import java.util.Collection;
import java.util.Collections;
import java.util.List;

/**
 * A simple "static" context member provider, when the members are known in advance.
 * 
 * @author cstamas
 */
public class StaticContextMemberProvider
    implements ContextMemberProvider
{
    private final List<IndexingContext> members;

    public StaticContextMemberProvider( Collection<IndexingContext> members )
    {
        ArrayList<IndexingContext> m = new ArrayList<IndexingContext>();

        if ( members != null )
        {
            m.addAll( members );
        }

        this.members = Collections.unmodifiableList( m );
    }

    public List<IndexingContext> getMembers()
    {
        return members;
    }
}