langtools/test/tools/jdeps/lib/JdepsUtil.java
changeset 38524 badd925c1d2f
child 38525 a2169f8fa712
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/langtools/test/tools/jdeps/lib/JdepsUtil.java	Thu May 19 10:55:33 2016 -0700
@@ -0,0 +1,234 @@
+/*
+ * Copyright (c) 2016, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+import com.sun.tools.jdeps.Analyzer;
+import com.sun.tools.jdeps.DepsAnalyzer;
+import com.sun.tools.jdeps.JdepsConfiguration;
+import com.sun.tools.jdeps.JdepsFilter;
+import com.sun.tools.jdeps.JdepsWriter;
+import com.sun.tools.jdeps.ModuleAnalyzer;
+
+import java.io.File;
+import java.io.IOException;
+import java.io.PrintStream;
+import java.io.PrintWriter;
+import java.io.StringWriter;
+import java.io.UncheckedIOException;
+import java.lang.module.ModuleDescriptor;
+import java.nio.file.Files;
+import java.nio.file.Path;
+import java.util.Arrays;
+import java.util.HashSet;
+import java.util.Set;
+import java.util.jar.JarEntry;
+import java.util.jar.JarOutputStream;
+import java.util.regex.Pattern;
+import java.util.stream.Collectors;
+import java.util.stream.Stream;
+
+/**
+ * Utilities to run jdeps command
+ */
+public final class JdepsUtil {
+    /*
+     * Runs jdeps with the given arguments
+     */
+    public static String[] jdeps(String... args) {
+        String lineSep =     System.getProperty("line.separator");
+        StringWriter sw = new StringWriter();
+        PrintWriter pw = new PrintWriter(sw);
+        System.err.println("jdeps " + Arrays.stream(args).collect(Collectors.joining(" ")));
+        int rc = com.sun.tools.jdeps.Main.run(args, pw);
+        pw.close();
+        String out = sw.toString();
+        if (!out.isEmpty())
+            System.err.println(out);
+        if (rc != 0)
+            throw new Error("jdeps failed: rc=" + rc);
+        return out.split(lineSep);
+    }
+
+    public static Command newCommand(String cmd) {
+        return new Command(cmd);
+    }
+
+    public static class Command {
+
+        final StringWriter sw = new StringWriter();
+        final PrintWriter pw = new PrintWriter(sw);
+        final JdepsFilter.Builder filter = new JdepsFilter.Builder().filter(true, true);
+        final JdepsConfiguration.Builder builder =  new JdepsConfiguration.Builder();
+        final Set<String> requires = new HashSet<>();
+
+        Analyzer.Type verbose = Analyzer.Type.PACKAGE;
+        boolean apiOnly = false;
+
+        public Command(String cmd) {
+            System.err.println("============ ");
+            System.err.println(cmd);
+        }
+
+        public Command verbose(String verbose) {
+            switch (verbose) {
+                case "-verbose":
+                    this.verbose = Analyzer.Type.VERBOSE;
+                    filter.filter(false, false);
+                    break;
+                case "-verbose:package":
+                    this.verbose = Analyzer.Type.PACKAGE;
+                    break;
+                case "-verbose:class":
+                    this.verbose = Analyzer.Type.CLASS;
+                    break;
+                case "-summary":
+                    this.verbose = Analyzer.Type.SUMMARY;
+                    break;
+                default:
+                    throw new IllegalArgumentException(verbose);
+            }
+            return this;
+        }
+
+        public Command filter(String value) {
+            switch (value) {
+                case "-filter:package":
+                    filter.filter(true, false);
+                    break;
+                case "-filter:archive":
+                case "-filter:module":
+                    filter.filter(false, true);
+                    break;
+                default:
+                    throw new IllegalArgumentException(value);
+            }
+            return this;
+        }
+
+        public Command addClassPath(String classpath) {
+            builder.addClassPath(classpath);
+            return this;
+        }
+
+        public Command addRoot(Path path) {
+            builder.addRoot(path);
+            return this;
+        }
+
+        public Command appModulePath(String modulePath) {
+            builder.appModulePath(modulePath);
+            return this;
+        }
+
+        public Command addmods(Set<String> mods) {
+            builder.addmods(mods);
+            return this;
+        }
+
+        public Command requires(Set<String> mods) {
+            requires.addAll(mods);
+            return this;
+        }
+
+        public Command matchPackages(Set<String> pkgs) {
+            filter.packages(pkgs);
+            return this;
+        }
+
+        public Command regex(String regex) {
+            filter.regex(Pattern.compile(regex));
+            return this;
+        }
+
+        public Command include(String regex) {
+            filter.includePattern(Pattern.compile(regex));
+            return this;
+        }
+
+        public Command includeSystemMoudles(String regex) {
+            filter.includeSystemModules(Pattern.compile(regex));
+            return this;
+        }
+
+        public Command apiOnly() {
+            this.apiOnly = true;
+            return this;
+        }
+
+        public JdepsConfiguration configuration() throws IOException {
+            JdepsConfiguration config = builder.build();
+            requires.forEach(name -> {
+                ModuleDescriptor md = config.findModuleDescriptor(name).get();
+                filter.requires(name, md.packages());
+            });
+            return config;
+        }
+
+        private JdepsWriter writer() {
+            return JdepsWriter.newSimpleWriter(pw, verbose);
+        }
+
+        public DepsAnalyzer getDepsAnalyzer() throws IOException {
+            return new DepsAnalyzer(configuration(), filter.build(), writer(),
+                                    verbose, apiOnly);
+        }
+
+        public ModuleAnalyzer getModuleAnalyzer(Set<String> mods) throws IOException {
+            // if -check is set, add to the root set and all modules are observable
+            addmods(mods);
+            builder.allModules();
+            return new ModuleAnalyzer(configuration(), pw, mods);
+        }
+
+        public void dumpOutput(PrintStream out) {
+            out.println(sw.toString());
+        }
+    }
+
+    /**
+     * Create a jar file using the list of files provided.
+     */
+    public static void createJar(Path jarfile, Path root, Stream<Path> files)
+        throws IOException {
+        Path dir = jarfile.getParent();
+        if (dir != null && Files.notExists(dir)) {
+            Files.createDirectories(dir);
+        }
+        try (JarOutputStream target = new JarOutputStream(
+            Files.newOutputStream(jarfile))) {
+            files.forEach(file -> add(root.relativize(file), file, target));
+        }
+    }
+
+    private static void add(Path path, Path source, JarOutputStream target) {
+        try {
+            String name = path.toString().replace(File.separatorChar, '/');
+            JarEntry entry = new JarEntry(name);
+            entry.setTime(source.toFile().lastModified());
+            target.putNextEntry(entry);
+            Files.copy(source, target);
+            target.closeEntry();
+        } catch (IOException e) {
+            throw new UncheckedIOException(e);
+        }
+    }
+}