java/java.hints.declarative/src/org/netbeans/modules/java/hints/declarative/PatternConvertorImpl.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.java.hints.declarative;

import java.util.Collection;
import java.util.LinkedList;
import java.util.List;
import org.netbeans.modules.java.hints.jackpot.spi.PatternConvertor;
import org.netbeans.modules.java.hints.providers.spi.HintDescription;
import org.openide.util.lookup.ServiceProvider;

/**
 *
 * @author lahvac
 */
@ServiceProvider(service=PatternConvertor.class)
public class PatternConvertorImpl extends PatternConvertor {

    @Override
    protected Iterable<? extends HintDescription> parseString(String code) {
        List<HintDescription> hints = new LinkedList<HintDescription>();
        
        for (Collection<? extends HintDescription> descs : DeclarativeHintRegistry.parseHints(null, code).values()) {
            hints.addAll(descs);
        }

        if (hints.isEmpty()) {
            return null;
        }

        return hints;
    }

}