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.reifier;
018
019import java.util.stream.Stream;
020
021import org.apache.camel.Processor;
022import org.apache.camel.model.ProcessorDefinition;
023import org.apache.camel.model.RemoveHeadersDefinition;
024import org.apache.camel.processor.RemoveHeadersProcessor;
025import org.apache.camel.spi.RouteContext;
026import org.apache.camel.util.ObjectHelper;
027
028public class RemoveHeadersReifier extends ProcessorReifier<RemoveHeadersDefinition> {
029
030    public RemoveHeadersReifier(RouteContext routeContext, ProcessorDefinition<?> definition) {
031        super(routeContext, (RemoveHeadersDefinition) definition);
032    }
033
034    @Override
035    public Processor createProcessor() throws Exception {
036        ObjectHelper.notNull(definition.getPattern(), "patterns", definition);
037        if (definition.getExcludePatterns() != null) {
038            return new RemoveHeadersProcessor(parseString(definition.getPattern()), parseStrings(definition.getExcludePatterns()));
039        } else if (definition.getExcludePattern() != null) {
040            return new RemoveHeadersProcessor(parseString(definition.getPattern()), parseStrings(new String[] {definition.getExcludePattern()}));
041        } else {
042            return new RemoveHeadersProcessor(parseString(definition.getPattern()), null);
043        }
044    }
045
046    private String[] parseStrings(String[] array) {
047        return Stream.of(array).map(this::parseString).toArray(String[]::new);
048    }
049}