--- /dev/null 2013-10-10 23:35:41.000000000 -0700 +++ new/test/tools/jdeps/APIDeps.java 2013-10-10 23:35:41.000000000 -0700 @@ -0,0 +1,191 @@ +/* + * Copyright (c) 2012, 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. + */ + +/* + * @test + * @bug 8015912 + * @summary find API dependencies + * @build m.Bar m.Foo m.Gee b.B c.C c.I d.D e.E f.F g.G + * @run main APIDeps + */ + +import java.io.File; +import java.io.IOException; +import java.io.PrintWriter; +import java.io.StringWriter; +import java.nio.file.Path; +import java.nio.file.Paths; +import java.util.*; +import java.util.regex.*; + +public class APIDeps { + private static boolean symbolFileExist = initProfiles(); + private static boolean initProfiles() { + // check if ct.sym exists; if not use the profiles.properties file + Path home = Paths.get(System.getProperty("java.home")); + if (home.endsWith("jre")) { + home = home.getParent(); + } + Path ctsym = home.resolve("lib").resolve("ct.sym"); + boolean symbolExists = ctsym.toFile().exists(); + if (!symbolExists) { + Path testSrcProfiles = + Paths.get(System.getProperty("test.src", "."), "profiles.properties"); + if (!testSrcProfiles.toFile().exists()) + throw new Error(testSrcProfiles + " does not exist"); + System.out.format("%s doesn't exist.%nUse %s to initialize profiles info%n", + ctsym, testSrcProfiles); + System.setProperty("jdeps.profiles", testSrcProfiles.toString()); + } + return symbolExists; + } + + public static void main(String... args) throws Exception { + int errors = 0; + errors += new APIDeps().run(); + if (errors > 0) + throw new Exception(errors + " errors found"); + } + + int run() throws IOException { + File testDir = new File(System.getProperty("test.classes", ".")); + String testDirBasename = testDir.toPath().getFileName().toString(); + File mDir = new File(testDir, "m"); + // all dependencies + test(new File(mDir, "Bar.class"), + new String[] {"java.lang.Object", "java.lang.String", + "java.util.Set", "java.util.HashSet", + "java.lang.management.ManagementFactory", + "java.lang.management.RuntimeMXBean", + "b.B", "c.C", "d.D", "f.F", "g.G"}, + new String[] {"compact1", "compact3", testDirBasename}, + new String[] {"-classpath", testDir.getPath(), "-verbose", "-P"}); + test(new File(mDir, "Foo.class"), + new String[] {"c.I", "e.E", "f.F", "m.Bar"}, + new String[] {testDirBasename}, + new String[] {"-classpath", testDir.getPath(), "-verbose", "-P"}); + test(new File(mDir, "Gee.class"), + new String[] {"g.G", "sun.misc.Lock"}, + new String[] {testDirBasename, "JDK internal API"}, + new String[] {"-classpath", testDir.getPath(), "-verbose"}); + // parse only APIs + test(mDir, + new String[] {"java.lang.Object", "java.lang.String", + "java.util.Set", + "c.C", "d.D", "c.I", "e.E", "m.Bar"}, + new String[] {"compact1", testDirBasename, mDir.getName()}, + new String[] {"-classpath", testDir.getPath(), "-verbose", "-P", "-apionly"}); + return errors; + } + + void test(File file, String[] expect, String[] profiles) { + test(file, expect, profiles, new String[0]); + } + + void test(File file, String[] expect, String[] profiles, String[] options) { + List args = new ArrayList<>(Arrays.asList(options)); + if (file != null) { + args.add(file.getPath()); + } + checkResult("api-dependencies", expect, profiles, + jdeps(args.toArray(new String[0]))); + } + + Map jdeps(String... args) { + StringWriter sw = new StringWriter(); + PrintWriter pw = new PrintWriter(sw); + System.err.println("jdeps " + Arrays.toString(args)); + 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 findDeps(out); + } + + // Pattern used to parse lines + private static Pattern linePattern = Pattern.compile(".*\r?\n"); + private static Pattern pattern = Pattern.compile("\\s+ -> (\\S+) +(.*)"); + + // Use the linePattern to break the given String into lines, applying + // the pattern to each line to see if we have a match + private static Map findDeps(String out) { + Map result = new HashMap<>(); + Matcher lm = linePattern.matcher(out); // Line matcher + Matcher pm = null; // Pattern matcher + int lines = 0; + while (lm.find()) { + lines++; + CharSequence cs = lm.group(); // The current line + if (pm == null) + pm = pattern.matcher(cs); + else + pm.reset(cs); + if (pm.find()) + result.put(pm.group(1), pm.group(2).trim()); + if (lm.end() == out.length()) + break; + } + return result; + } + + void checkResult(String label, String[] expect, Collection found) { + List list = Arrays.asList(expect); + if (!isEqual(list, found)) + error("Unexpected " + label + " found: '" + found + "', expected: '" + list + "'"); + } + + void checkResult(String label, String[] expect, String[] profiles, Map result) { + // check the dependencies + checkResult(label, expect, result.keySet()); + // check profile information + Set values = new TreeSet<>(); + String internal = "JDK internal API"; + for (String s: result.values()) { + if (s.startsWith(internal)){ + values.add(internal); + } else { + values.add(s); + } + } + checkResult(label, profiles, values); + } + + boolean isEqual(List expected, Collection found) { + if (expected.size() != found.size()) + return false; + + List list = new ArrayList<>(found); + list.removeAll(expected); + return list.isEmpty(); + } + + void error(String msg) { + System.err.println("Error: " + msg); + errors++; + } + + int errors; +}