org.codefx.maven.plugin.jdeps.tool.SearchJDepsInJdk Maven / Gradle / Ivy
package org.codefx.maven.plugin.jdeps.tool;
import java.nio.file.Files;
import java.nio.file.Path;
import java.util.Optional;
import org.apache.commons.lang3.SystemUtils;
/**
* Tries to locate JDeps inside the JDK folder.
*
* This class does not implement {@link JDepsSearch} because it can not function on its own and requires input (namely
* the JDK folder).
*/
public class SearchJDepsInJdk {
/**
* @param jdkHome
* the path to the JDK in which JDeps will be searched for; does not have to be a valid directory (i.e.
* could be a non-existent path or a file)
* @return the path to JDeps if it could be found (i.e. a file with the correct name exists); otherwise an empty
* {@link Optional}
*/
public Optional search(Path jdkHome) {
Path jdkBin = jdkHome.resolve("bin");
Path jDeps = jdkBin.resolve(jDepsFileName());
return Files.isRegularFile(jDeps)
? Optional.of(jDeps)
: Optional.empty();
}
private static String jDepsFileName() {
String jDepsExecutable = "jdeps" + (SystemUtils.IS_OS_WINDOWS ? ".exe" : "");
return jDepsExecutable;
}
}