java/maven/src/org/netbeans/modules/maven/queries/ForeignClassBundlerMerger.java

/*
 * 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.netbeans.modules.maven.queries;

import org.netbeans.modules.maven.spi.queries.ForeignClassBundler;
import org.netbeans.spi.project.LookupMerger;
import org.openide.util.Lookup;

@LookupMerger.Registration(projectType="org-netbeans-modules-maven")
public class ForeignClassBundlerMerger implements LookupMerger<ForeignClassBundler> {

    @Override public Class<ForeignClassBundler> getMergeableClass() {
        return ForeignClassBundler.class;
    }

    @Override public ForeignClassBundler merge(final Lookup lookup) {
        return new MergedForeignClassBundler(lookup);
    }
    
    private static class MergedForeignClassBundler implements ForeignClassBundler {
        
        private final Lookup lookup;
        
        MergedForeignClassBundler(Lookup lookup) {
            this.lookup = lookup;
        }

        @Override public boolean preferSources() {
            for (ForeignClassBundler fcb : lookup.lookupAll(ForeignClassBundler.class)) {
                if (!fcb.preferSources()) {
                    return false;
                }
            }
            return true;
        }

        @Override
        public void resetCachedValue() {
            for (ForeignClassBundler fcb : lookup.lookupAll(ForeignClassBundler.class)) {
                fcb.resetCachedValue();
            }
        }

    }

}