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Ls.java
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Ls.java
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/*
* Copyright 2016-2018 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 com.creactiviti.piper.taskhandler.io;
import java.io.IOException;
import java.nio.file.Files;
import java.nio.file.Path;
import java.nio.file.Paths;
import java.util.List;
import java.util.stream.Collectors;
import org.springframework.stereotype.Component;
import com.creactiviti.piper.core.task.TaskExecution;
import com.creactiviti.piper.core.task.TaskHandler;
/**
* @author Arik Cohen
* @since Feb, 19 2020
*/
@Component("io/ls")
class Ls implements TaskHandler<List<Ls.FileInfo>> {
@Override
public List<Ls.FileInfo> handle (TaskExecution aTask) throws IOException {
Path root = Paths.get(aTask.getRequiredString("path"));
boolean recursive = aTask.getBoolean("recursive", false);
return Files.walk(root)
.filter(p->recursive || p.getParent().equals(root))
.filter(Files::isRegularFile)
.map(p->new FileInfo(root, p))
.collect(Collectors.toList());
}
public static class FileInfo {
private final Path path;
private final Path root;
private final long size;
public FileInfo(Path aRoot, Path aPath) {
root = aRoot;
path = aPath;
size = aPath.toFile().length();
}
public String getName () {
return path.getFileName().toString();
}
public String getFullPath () {
return path.toString();
}
public String getRelativePath () {
return root.relativize(path).toString();
}
public long getSize () throws IOException {
return size;
}
}
}