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/*
 * Copyright Red Hat Inc. and/or its affiliates and other contributors
 * as indicated by the authors tag. All rights reserved.
 *
 * This copyrighted material is made available to anyone wishing to use,
 * modify, copy, or redistribute it subject to the terms and conditions
 * of the GNU General Public License version 2.
 * 
 * This particular file is subject to the "Classpath" exception as provided in the 
 * LICENSE file that accompanied this code.
 * 
 * This program is distributed in the hope that it will be useful, but WITHOUT A
 * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
 * PARTICULAR PURPOSE.  See the GNU General Public License for more details.
 * You should have received a copy of the GNU General Public License,
 * along with this distribution; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
 * MA  02110-1301, USA.
 */

package com.redhat.ceylon.ant;

import java.util.LinkedHashSet;
import java.util.Set;

import org.apache.tools.ant.types.DataType;
import org.apache.tools.ant.types.Reference;

/**
 * Runtime representation of a {@code } element, which can be 
 * defined at the top level of an ant project and referred to by other tasks.
 */
@AntDoc("A `` element contains a number of `` and/or `` elements. "
        + "It can be defined at the top level, and then used by reference using the `refid` attribute "
        + "so you don't have to repeat the same list of repositories all the time.")
public class RepoSet extends DataType {

    private final LinkedHashSet repos = new LinkedHashSet();
    
    @AntDoc("A ``")
    public void addConfiguredRepo(Repo repo) {
        repos.add(repo);
    }
    
    @AntDoc("A nested ``")
    public void addConfiguredRepoSet(RepoSet reposet) {
        repos.addAll(reposet.getRepos());
    }
    
    @Override
    @AntDoc("A reference to a [``](../ant/#_reposet) defined elsewhere.")
    public void setRefid(Reference reference) {
        super.setRefid(reference);
    }
    
    public Set getRepos() {
        LinkedHashSet result = new LinkedHashSet();
        result.addAll(this.repos);

        if (getRefid() != null) {
            RepoSet referredRepoSet = (RepoSet)getProject().getReference(getRefid().getRefId());
            result.addAll(referredRepoSet.getRepos());        
        }
        return result;
    }
    
}