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Groovy: A powerful, dynamic language for the JVM

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/*
 * Copyright 2003-2012 the original author or authors.
 *
 * 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 groovy.util

/**
 * Find files according to a base directory and an includes and excludes pattern.
 * The include and exclude patterns conform to regex conventions.
 *
 * @author Dierk Koenig
 * @author Paul King
 */
class FileNameByRegexFinder implements IFileNameFinder {

    List getFileNames(String basedir, String pattern) {
        getFileNames(basedir, pattern, "")
    }

    List getFileNames(String basedir, String pattern, String excludesPattern) {
        def result = []
        new File(basedir).eachFileRecurse {
            if (it.path =~ pattern && (!excludesPattern || !(it.path =~ excludesPattern))) {
                result << it.absolutePath
            }
        }
        return result
    }
}