82 lines
3.0 KiB
Java
82 lines
3.0 KiB
Java
/*
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* Copyright (c) 2024, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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package compiler.lib.compile_framework;
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import java.nio.file.Files;
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import java.nio.file.Paths;
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import java.nio.file.Path;
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import java.io.File;
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import java.util.ArrayList;
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import java.util.List;
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/**
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* Utility class, with many helper methods for the Compile Framework.
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*/
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class Utils {
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private static final boolean VERBOSE = Boolean.getBoolean("CompileFrameworkVerbose");
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/**
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* Verbose printing, enabled with {@code -DCompileFrameworkVerbose=true}.
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*/
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public static void printlnVerbose(String s) {
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if (VERBOSE) {
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System.out.println(s);
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}
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}
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/**
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* Create a temporary directory with a unique name to avoid collisions
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* with multi-threading. Used to create the sources and classes directories. Since they
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* are unique even across threads, the Compile Framework is multi-threading safe, i.e.
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* it does not have collisions if two instances generate classes with the same name.
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*/
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public static Path makeUniqueDir(String prefix) {
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try {
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return Files.createTempDirectory(Paths.get("."), prefix);
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} catch (Exception e) {
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throw new InternalCompileFrameworkException("Could not set up temporary directory", e);
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}
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}
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/**
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* Get all paths in the classpath.
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*/
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public static String[] getClassPaths() {
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String separator = File.pathSeparator;
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return System.getProperty("java.class.path").split(separator);
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}
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/**
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* Return the classpath, appended with the {@code classesDir}.
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*/
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public static String getEscapedClassPathAndClassesDir(Path classesDir) {
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String cp = System.getProperty("java.class.path") +
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File.pathSeparator +
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classesDir.toAbsolutePath();
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// Escape the backslash for Windows paths. We are using the path in the
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// command-line and Java code, so we always want it to be escaped.
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return cp.replace("\\", "\\\\");
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}
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}
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