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A DSL modelled around the UNIX pipe concept, that simplifies writing parallel and scalable pipelines in a portable manner

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/*
 * Copyright 2013-2024, Seqera Labs
 *
 * Licensed 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 nextflow.util

import groovy.transform.CompileStatic

/**
 * A {@link Map} that handles keys in a case insensitive manner
 * 
 * @author Paolo Di Tommaso 
 */
@CompileStatic
class InsensitiveMap implements Map {

    @Delegate
    private Map target

    private InsensitiveMap(Map map) {
        this.target = map
    }

    @Override
    boolean containsKey(Object key) {
        target.any( it -> key?.toString()?.toLowerCase() == it.key?.toString()?.toLowerCase())
    }

    @Override
    V get(Object key) {
        target.find(it -> key?.toString()?.toLowerCase() == it.key?.toString()?.toLowerCase())?.value
    }

    static  Map of(Map target) {
        new InsensitiveMap(target)
    }
}