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PathOf.java
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PathOf.java
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/*
* MIT License
*
* Copyright (c) 2019 Yurii Dubinka
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom
* the Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included
* in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE
* OR OTHER DEALINGS IN THE SOFTWARE.
*/
package io.github.dgroup.term4j.arg;
import java.nio.file.Path;
import java.nio.file.Paths;
import java.util.List;
import org.cactoos.Scalar;
/**
* The single file command-line argument.
*
* @since 0.1.0
*/
public final class PathOf extends ArgEnvelope<Path> {
/**
* Ctor.
* @param lbl The label of command-line argument.
* @param args All command-line arguments.
*/
public PathOf(final String lbl, final List<String> args) {
this(new StringOf(lbl, args));
}
/**
* Ctor.
* @param src The argument with path to the file.
*/
public PathOf(final Arg<String> src) {
super(new ArgOf<>(
src::label,
() -> {
final Path path = Paths.get(src.value());
if (!path.toFile().exists()) {
throw new ArgNotFoundException(
"The file %s is absent or it is a folder", src.value()
);
}
return path;
},
() -> src.specifiedByUser() && Paths.get(src.value()).toFile().exists()
));
}
/**
* Ctor.
* @param lbl The label of command-line argument.
* @param src The path to the file.
*/
@SuppressWarnings("PMD.AvoidCatchingGenericException")
public PathOf(final String lbl, final Scalar<Path> src) {
super(new ArgOf<>(
() -> lbl, src,
() -> {
boolean specified;
try {
final Path path = src.value();
if (path == null) {
specified = false;
} else {
specified = path.toFile().exists();
}
// @checkstyle IllegalCatchCheck (3 lines)
} catch (final Exception cause) {
specified = false;
}
return specified;
}
));
}
}