Classpaths.java
/*-
* #%L
* io.earcam.instrumental.module.auto
* %%
* Copyright (C) 2018 earcam
* %%
* SPDX-License-Identifier: (BSD-3-Clause OR EPL-1.0 OR Apache-2.0 OR MIT)
*
* You <b>must</b> choose to accept, in full - any individual or combination of
* the following licenses:
* <ul>
* <li><a href="https://opensource.org/licenses/BSD-3-Clause">BSD-3-Clause</a></li>
* <li><a href="https://www.eclipse.org/legal/epl-v10.html">EPL-1.0</a></li>
* <li><a href="https://www.apache.org/licenses/LICENSE-2.0">Apache-2.0</a></li>
* <li><a href="https://opensource.org/licenses/MIT">MIT</a></li>
* </ul>
* #L%
*/
package io.earcam.instrumental.module.auto;
import static java.io.File.pathSeparator;
import static java.util.stream.Stream.concat;
import java.nio.file.Path;
import java.nio.file.Paths;
import java.util.Arrays;
import java.util.stream.Stream;
/**
* <p>
* Paths from Classpaths.
* </p>
*
*/
public final class Classpaths {
public static final String PROPERTY_CLASS_PATH = "java.class.path";
public static final String PROPERTY_MODULE_PATH = "jdk.module.path";
public static final String PROPERTY_MODULE_UPGRADE_PATH = "jdk.module.upgrade.path";
private Classpaths()
{}
/**
* <p>
* allClasspaths.
* </p>
*
* @return a {@link java.util.stream.Stream} object.
*
* @see #PROPERTY_CLASS_PATH
* @see #PROPERTY_MODULE_PATH
* @see #PROPERTY_MODULE_UPGRADE_PATH
*/
public static Stream<Path> allClasspaths()
{
return concat(paths(PROPERTY_CLASS_PATH), concat(paths(PROPERTY_MODULE_PATH), paths(PROPERTY_MODULE_UPGRADE_PATH)));
}
/**
* <p>
* Paths for a given classpath {@code property}.
* </p>
*
* @param property the property name for given classpath
* @return a {@link java.util.stream.Stream} of the paths defined by the classpath property
*
* @see #PROPERTY_CLASS_PATH
* @see #PROPERTY_MODULE_PATH
* @see #PROPERTY_MODULE_UPGRADE_PATH
*/
public static Stream<Path> paths(String property)
{
String value = System.getProperty(property);
return value == null ? Stream.empty() : Arrays.stream(value.split(pathSeparator)).map(Paths::get);
}
}