/*
 * Copyright 2009 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 org.gradle.api.internal.file

import org.gradle.api.internal.file.collections.DirectoryFileTree
import org.gradle.api.tasks.AntBuilderAware

class AntFileSetBuilder implements AntBuilderAware {
    private final Iterable<DirectoryFileTree> trees

    AntFileSetBuilder(Iterable<DirectoryFileTree> trees) {
        this.trees = trees
    }

    def addToAntBuilder(def node, String nodeName) {
        trees.each { tree ->
            if (!tree.dir.exists()) {
                return
            }
            node."${nodeName ?: 'fileset'}"(dir: tree.dir) {
                tree.patternSet.addToAntBuilder(node, null)
            }
        }
    }
}