test/java/net/URLConnection/ContentHandlers/ContentHandlersTest.java - toolchain/jdk/jdk9_jdk - Git at Google

 /*
  * Copyright (c) 2015, 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 java.io.BufferedReader;
 import java.io.BufferedWriter;
 import java.io.File;
 import java.io.FileReader;
 import java.io.FileWriter;
 import java.io.IOException;
 import java.io.InputStream;
 import java.io.InputStreamReader;
 import java.io.Reader;
 import java.io.SequenceInputStream;
 import java.io.StringWriter;
 import java.io.Writer;
 import java.nio.file.Files;
 import java.nio.file.Path;
 import java.nio.file.Paths;
 import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.Collection;
 import java.util.Collections;
 import java.util.Iterator;
 import java.util.List;
 import java.util.Map;
 import java.util.function.Function;
 import java.util.stream.Collectors;
 import java.util.stream.Stream;

 import static java.lang.String.format;
 import static java.util.Arrays.asList;
 import static java.util.Collections.emptyMap;
 import static java.util.Collections.singleton;
 import static java.util.Collections.singletonMap;

 /*
  * @test
  * @bug 8064925
  * @summary Basic test for ContentHandler. Ensures discovery paths for content
  *          handlers follow a particular order.
  */
 public class ContentHandlersTest {

     public static void main(String[] args) throws Throwable {
         step1_ContentHandlerFactory();
         step2_ServiceLoader();
         step3_UserDefined();
         step4_BuiltIn();
     }

     private static void step1_ContentHandlerFactory() throws IOException {
         String factoryClassFqn = "net.java.openjdk.test.TestContentHandlerFactory";

         Path tmp = Files.createDirectory(Paths.get("ContentHandlersTest-1"));

         Path src = templatesHome().resolve("test.template");
         Path dst = tmp.resolve("Test.java");
         Files.copy(src, dst);

         Path build = Files.createDirectory(tmp.resolve("build"));

         Path dst1 = fromTemplate(templatesHome().resolve("broken_factory.template"),
                 factoryClassFqn, tmp);

         javac(build, dst, dst1);

         Result r = java(emptyMap(), singleton(build), "Test", factoryClassFqn);

         if (r.exitValue == 0 || !r.output.startsWith(
                 stackTraceStringForBrokenFactory(factoryClassFqn))) {
             throw new RuntimeException(
                     "Expected a different kind of failure: " + r.output);
         }
     }

     private static void step2_ServiceLoader() throws IOException {
         String factoryClassFqn = "net.java.openjdk.test.TestContentHandlerFactory";

         Path tmp = Files.createDirectory(Paths.get("ContentHandlersTest-2"));

         Path src = templatesHome().resolve("test.template");
         Path dst = tmp.resolve("Test.java");
         Files.copy(src, dst);

         Path dst1 = fromTemplate(templatesHome().resolve("broken_constructor_factory.template"),
                 factoryClassFqn, tmp);

         Path build = Files.createDirectory(tmp.resolve("build"));

         javac(build, dst);

         Path explodedJar = Files.createDirectory(tmp.resolve("exploded-jar"));
         Path services = Files.createDirectories(explodedJar.resolve("META-INF")
                 .resolve("services"));

         Path s = services.resolve("java.net.ContentHandlerFactory");

         try (FileWriter fw = new FileWriter(s.toFile())) {
             fw.write(factoryClassFqn);
         }

         javac(explodedJar, dst1);
         jar(tmp.resolve("test.jar"), explodedJar);

         Files.copy(tmp.resolve("test.jar"), build.resolve("test.jar"));

         Result r = java(emptyMap(), asList(build.resolve("test.jar"), build), "Test");

         if (r.exitValue == 0 || !verifyOutput(r.output, factoryClassFqn))
             throw new RuntimeException(r.output);
     }

     private static void step3_UserDefined() throws IOException {
         String packagePrefix = "net.java.openjdk.test";
         String fqn = packagePrefix + ".text.plain";

         Path tmp = Files.createDirectory(Paths.get("ContentHandlersTest-3"));

         Path src = templatesHome().resolve("test.template");
         Path dst = tmp.resolve("Test.java");
         Files.copy(src, dst);

         Path dst1 = fromTemplate(templatesHome().resolve("plain.template"),
                 fqn, tmp);

         Path build = Files.createDirectory(tmp.resolve("build"));

         javac(build, dst);

         Path classes = Files.createDirectory(tmp.resolve("classes"));

         javac(classes, dst1);

         Map<String, String> m = singletonMap("java.content.handler.pkgs", packagePrefix);
         Result r = java(m, asList(build, classes), "Test");

         if (r.exitValue != 0 || !r.output.contains(fqn))
             throw new RuntimeException(r.output);
     }

     private static void step4_BuiltIn() throws IOException {
         Path tmp = Files.createDirectory(Paths.get("ContentHandlersTest-4"));

         Path src = templatesHome().resolve("test.template");
         Path dst = tmp.resolve("Test.java");
         Files.copy(src, dst);

         Path build = Files.createDirectory(tmp.resolve("build"));

         javac(build, dst);

         Result r = java(emptyMap(), singleton(build), "Test");

         if (r.exitValue != 0 || !r.output.contains("sun.net.www.content.text.PlainTextInputStream"))
             throw new RuntimeException(r.output);
     }

     private static String stackTraceStringForBrokenFactory(String fqn) {
         return "Exception in thread \"main\" java.lang.RuntimeException: " +
                 "This is a broken factory. It is supposed to throw this exception.";
     }

     private static Path fromTemplate(Path srcTemplate,
                                      String factoryFqn,
                                      Path dstFolder) throws IOException {

         String factorySimpleName, packageName;
         int i = factoryFqn.lastIndexOf('.');
         if (i < 0) {
             packageName = "";
             factorySimpleName = factoryFqn;
         } else {
             packageName = factoryFqn.substring(0, i);
             factorySimpleName = factoryFqn.substring(i + 1);
         }

         Path result = dstFolder.resolve(factorySimpleName + ".java");
         File dst = result.toFile();
         File src = srcTemplate.toFile();
         try (BufferedReader r = new BufferedReader(new FileReader(src));
              BufferedWriter w = new BufferedWriter(new FileWriter(dst))) {

             List<String> lines = processTemplate(packageName, factorySimpleName,
                     r.lines()).collect(Collectors.toList());

             Iterator<String> it = lines.iterator();
             if (it.hasNext())
                 w.write(it.next());
             while (it.hasNext()) {
                 w.newLine();
                 w.write(it.next());
             }
         }
         return result;
     }

     private static Stream<String> processTemplate(String packageName,
                                                   String factorySimpleName,
                                                   Stream<String> lines) {
         Function<String, String> pckg;

         if (packageName.isEmpty()) {
             pckg = s -> s.contains("$package") ? "" : s;
         } else {
             pckg = s -> s.replaceAll("\\$package", packageName);
         }

         Function<String, String> factory
                 = s -> s.replaceAll("\\$className", factorySimpleName);

         return lines.map(pckg).map(factory);
     }

     // IMO, that's the easiest way that gives you a fair amount of confidence in
     // that j.u.ServiceLoader is loading a factory rather than Class.forName
     private static boolean verifyOutput(String output, String fqn) {
         String s1 = String.format("java.util.ServiceConfigurationError: " +
                 "java.net.ContentHandlerFactory: " +
                 "Provider %s could not be instantiated", fqn);

         return output.contains(s1);
     }

     private static void jar(Path jarName, Path jarRoot) {
         String jar = getJDKTool("jar");
         ProcessBuilder p = new ProcessBuilder(jar, "cf", jarName.toString(),
                 "-C", jarRoot.toString(), ".");
         quickFail(run(p));
     }

     private static void javac(Path compilationOutput, Path... sourceFiles) {
         String javac = getJDKTool("javac");
         List<String> commands = new ArrayList<>();
         commands.addAll(asList(javac, "-d", compilationOutput.toString()));
         List<Path> paths = asList(sourceFiles);
         commands.addAll(paths.stream()
                 .map(Path::toString)
                 .collect(Collectors.toList()));
         quickFail(run(new ProcessBuilder(commands)));
     }

     private static void quickFail(Result r) {
         if (r.exitValue != 0)
             throw new RuntimeException(r.output);
     }

     private static Result java(Map<String, String> properties,
                                Collection<Path> classpath,
                                String classname, String... args) {

         String java = getJDKTool("java");

         List<String> commands = new ArrayList<>();
         commands.add(java);
         commands.addAll(properties.entrySet()
                 .stream()
                 .map(e -> "-D" + e.getKey() + "=" + e.getValue())
                 .collect(Collectors.toList()));

         String cp = classpath.stream()
                 .map(Path::toString)
                 .collect(Collectors.joining(File.pathSeparator));
         commands.add("-cp");
         commands.add(cp);
         commands.add(classname);
         commands.addAll(Arrays.asList(args));

         return run(new ProcessBuilder(commands));
     }

     private static Result run(ProcessBuilder b) {
         Process p;
         try {
             p = b.start();
         } catch (IOException e) {
             throw new RuntimeException(
                     format("Couldn't start process '%s'", b.command()), e);
         }

         String output;
         try {
             output = toString(p.getInputStream(), p.getErrorStream());
         } catch (IOException e) {
             throw new RuntimeException(
                     format("Couldn't read process output '%s'", b.command()), e);
         }

         try {
             p.waitFor();
         } catch (InterruptedException e) {
             throw new RuntimeException(
                     format("Process hasn't finished '%s'", b.command()), e);
         }

         return new Result(p.exitValue(), output);
     }

     private static String getJDKTool(String name) {
         String testJdk = System.getProperty("test.jdk");
         if (testJdk == null)
             throw new RuntimeException("Please provide test.jdk property at a startup");
         return testJdk + File.separator + "bin" + File.separator + name;
     }

     private static Path templatesHome() {
         String testSrc = System.getProperty("test.src");
         if (testSrc == null)
             throw new RuntimeException("Please provide test.src property at a startup");
         return Paths.get(testSrc);
     }

     private static String toString(InputStream... src) throws IOException {
         StringWriter dst = new StringWriter();
         Reader concatenated =
                 new InputStreamReader(
                         new SequenceInputStream(
                                 Collections.enumeration(asList(src))));
         copy(concatenated, dst);
         return dst.toString();
     }

     private static void copy(Reader src, Writer dst) throws IOException {
         int len;
         char[] buf = new char[1024];
         try {
             while ((len = src.read(buf)) != -1)
                 dst.write(buf, 0, len);
         } finally {
             try {
                 src.close();
             } catch (IOException ignored1) {
             } finally {
                 try {
                     dst.close();
                 } catch (IOException ignored2) {
                 }
             }
         }
     }

     private static class Result {

         final int exitValue;
         final String output;

         private Result(int exitValue, String output) {
             this.exitValue = exitValue;
             this.output = output;
         }
     }
 }
	/*
	* Copyright (c) 2015, 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 java.io.BufferedReader;
	import java.io.BufferedWriter;
	import java.io.File;
	import java.io.FileReader;
	import java.io.FileWriter;
	import java.io.IOException;
	import java.io.InputStream;
	import java.io.InputStreamReader;
	import java.io.Reader;
	import java.io.SequenceInputStream;
	import java.io.StringWriter;
	import java.io.Writer;
	import java.nio.file.Files;
	import java.nio.file.Path;
	import java.nio.file.Paths;
	import java.util.ArrayList;
	import java.util.Arrays;
	import java.util.Collection;
	import java.util.Collections;
	import java.util.Iterator;
	import java.util.List;
	import java.util.Map;
	import java.util.function.Function;
	import java.util.stream.Collectors;
	import java.util.stream.Stream;

	import static java.lang.String.format;
	import static java.util.Arrays.asList;
	import static java.util.Collections.emptyMap;
	import static java.util.Collections.singleton;
	import static java.util.Collections.singletonMap;

	/*
	* @test
	* @bug 8064925
	* @summary Basic test for ContentHandler. Ensures discovery paths for content
	* handlers follow a particular order.
	*/
	public class ContentHandlersTest {

	public static void main(String[] args) throws Throwable {
	step1_ContentHandlerFactory();
	step2_ServiceLoader();
	step3_UserDefined();
	step4_BuiltIn();
	}

	private static void step1_ContentHandlerFactory() throws IOException {
	String factoryClassFqn = "net.java.openjdk.test.TestContentHandlerFactory";

	Path tmp = Files.createDirectory(Paths.get("ContentHandlersTest-1"));

	Path src = templatesHome().resolve("test.template");
	Path dst = tmp.resolve("Test.java");
	Files.copy(src, dst);

	Path build = Files.createDirectory(tmp.resolve("build"));

	Path dst1 = fromTemplate(templatesHome().resolve("broken_factory.template"),
	factoryClassFqn, tmp);

	javac(build, dst, dst1);

	Result r = java(emptyMap(), singleton(build), "Test", factoryClassFqn);

	if (r.exitValue == 0 \|\| !r.output.startsWith(
	stackTraceStringForBrokenFactory(factoryClassFqn))) {
	throw new RuntimeException(
	"Expected a different kind of failure: " + r.output);
	}
	}

	private static void step2_ServiceLoader() throws IOException {
	String factoryClassFqn = "net.java.openjdk.test.TestContentHandlerFactory";

	Path tmp = Files.createDirectory(Paths.get("ContentHandlersTest-2"));

	Path src = templatesHome().resolve("test.template");
	Path dst = tmp.resolve("Test.java");
	Files.copy(src, dst);

	Path dst1 = fromTemplate(templatesHome().resolve("broken_constructor_factory.template"),
	factoryClassFqn, tmp);

	Path build = Files.createDirectory(tmp.resolve("build"));

	javac(build, dst);

	Path explodedJar = Files.createDirectory(tmp.resolve("exploded-jar"));
	Path services = Files.createDirectories(explodedJar.resolve("META-INF")
	.resolve("services"));

	Path s = services.resolve("java.net.ContentHandlerFactory");

	try (FileWriter fw = new FileWriter(s.toFile())) {
	fw.write(factoryClassFqn);
	}

	javac(explodedJar, dst1);
	jar(tmp.resolve("test.jar"), explodedJar);

	Files.copy(tmp.resolve("test.jar"), build.resolve("test.jar"));

	Result r = java(emptyMap(), asList(build.resolve("test.jar"), build), "Test");

	if (r.exitValue == 0 \|\| !verifyOutput(r.output, factoryClassFqn))
	throw new RuntimeException(r.output);
	}

	private static void step3_UserDefined() throws IOException {
	String packagePrefix = "net.java.openjdk.test";
	String fqn = packagePrefix + ".text.plain";

	Path tmp = Files.createDirectory(Paths.get("ContentHandlersTest-3"));

	Path src = templatesHome().resolve("test.template");
	Path dst = tmp.resolve("Test.java");
	Files.copy(src, dst);

	Path dst1 = fromTemplate(templatesHome().resolve("plain.template"),
	fqn, tmp);

	Path build = Files.createDirectory(tmp.resolve("build"));

	javac(build, dst);

	Path classes = Files.createDirectory(tmp.resolve("classes"));

	javac(classes, dst1);

	Map<String, String> m = singletonMap("java.content.handler.pkgs", packagePrefix);
	Result r = java(m, asList(build, classes), "Test");

	if (r.exitValue != 0 \|\| !r.output.contains(fqn))
	throw new RuntimeException(r.output);
	}

	private static void step4_BuiltIn() throws IOException {
	Path tmp = Files.createDirectory(Paths.get("ContentHandlersTest-4"));

	Path src = templatesHome().resolve("test.template");
	Path dst = tmp.resolve("Test.java");
	Files.copy(src, dst);

	Path build = Files.createDirectory(tmp.resolve("build"));

	javac(build, dst);

	Result r = java(emptyMap(), singleton(build), "Test");

	if (r.exitValue != 0 \|\| !r.output.contains("sun.net.www.content.text.PlainTextInputStream"))
	throw new RuntimeException(r.output);
	}

	private static String stackTraceStringForBrokenFactory(String fqn) {
	return "Exception in thread \"main\" java.lang.RuntimeException: " +
	"This is a broken factory. It is supposed to throw this exception.";
	}

	private static Path fromTemplate(Path srcTemplate,
	String factoryFqn,
	Path dstFolder) throws IOException {

	String factorySimpleName, packageName;
	int i = factoryFqn.lastIndexOf('.');
	if (i < 0) {
	packageName = "";
	factorySimpleName = factoryFqn;
	} else {
	packageName = factoryFqn.substring(0, i);
	factorySimpleName = factoryFqn.substring(i + 1);
	}

	Path result = dstFolder.resolve(factorySimpleName + ".java");
	File dst = result.toFile();
	File src = srcTemplate.toFile();
	try (BufferedReader r = new BufferedReader(new FileReader(src));
	BufferedWriter w = new BufferedWriter(new FileWriter(dst))) {

	List<String> lines = processTemplate(packageName, factorySimpleName,
	r.lines()).collect(Collectors.toList());

	Iterator<String> it = lines.iterator();
	if (it.hasNext())
	w.write(it.next());
	while (it.hasNext()) {
	w.newLine();
	w.write(it.next());
	}
	}
	return result;
	}

	private static Stream<String> processTemplate(String packageName,
	String factorySimpleName,
	Stream<String> lines) {
	Function<String, String> pckg;

	if (packageName.isEmpty()) {
	pckg = s -> s.contains("$package") ? "" : s;
	} else {
	pckg = s -> s.replaceAll("\\$package", packageName);
	}

	Function<String, String> factory
	= s -> s.replaceAll("\\$className", factorySimpleName);

	return lines.map(pckg).map(factory);
	}

	// IMO, that's the easiest way that gives you a fair amount of confidence in
	// that j.u.ServiceLoader is loading a factory rather than Class.forName
	private static boolean verifyOutput(String output, String fqn) {
	String s1 = String.format("java.util.ServiceConfigurationError: " +
	"java.net.ContentHandlerFactory: " +
	"Provider %s could not be instantiated", fqn);

	return output.contains(s1);
	}

	private static void jar(Path jarName, Path jarRoot) {
	String jar = getJDKTool("jar");
	ProcessBuilder p = new ProcessBuilder(jar, "cf", jarName.toString(),
	"-C", jarRoot.toString(), ".");
	quickFail(run(p));
	}

	private static void javac(Path compilationOutput, Path... sourceFiles) {
	String javac = getJDKTool("javac");
	List<String> commands = new ArrayList<>();
	commands.addAll(asList(javac, "-d", compilationOutput.toString()));
	List<Path> paths = asList(sourceFiles);
	commands.addAll(paths.stream()
	.map(Path::toString)
	.collect(Collectors.toList()));
	quickFail(run(new ProcessBuilder(commands)));
	}

	private static void quickFail(Result r) {
	if (r.exitValue != 0)
	throw new RuntimeException(r.output);
	}

	private static Result java(Map<String, String> properties,
	Collection<Path> classpath,
	String classname, String... args) {

	String java = getJDKTool("java");

	List<String> commands = new ArrayList<>();
	commands.add(java);
	commands.addAll(properties.entrySet()
	.stream()
	.map(e -> "-D" + e.getKey() + "=" + e.getValue())
	.collect(Collectors.toList()));

	String cp = classpath.stream()
	.map(Path::toString)
	.collect(Collectors.joining(File.pathSeparator));
	commands.add("-cp");
	commands.add(cp);
	commands.add(classname);
	commands.addAll(Arrays.asList(args));

	return run(new ProcessBuilder(commands));
	}

	private static Result run(ProcessBuilder b) {
	Process p;
	try {
	p = b.start();
	} catch (IOException e) {
	throw new RuntimeException(
	format("Couldn't start process '%s'", b.command()), e);
	}

	String output;
	try {
	output = toString(p.getInputStream(), p.getErrorStream());
	} catch (IOException e) {
	throw new RuntimeException(
	format("Couldn't read process output '%s'", b.command()), e);
	}

	try {
	p.waitFor();
	} catch (InterruptedException e) {
	throw new RuntimeException(
	format("Process hasn't finished '%s'", b.command()), e);
	}

	return new Result(p.exitValue(), output);
	}

	private static String getJDKTool(String name) {
	String testJdk = System.getProperty("test.jdk");
	if (testJdk == null)
	throw new RuntimeException("Please provide test.jdk property at a startup");
	return testJdk + File.separator + "bin" + File.separator + name;
	}

	private static Path templatesHome() {
	String testSrc = System.getProperty("test.src");
	if (testSrc == null)
	throw new RuntimeException("Please provide test.src property at a startup");
	return Paths.get(testSrc);
	}

	private static String toString(InputStream... src) throws IOException {
	StringWriter dst = new StringWriter();
	Reader concatenated =
	new InputStreamReader(
	new SequenceInputStream(
	Collections.enumeration(asList(src))));
	copy(concatenated, dst);
	return dst.toString();
	}

	private static void copy(Reader src, Writer dst) throws IOException {
	int len;
	char[] buf = new char[1024];
	try {
	while ((len = src.read(buf)) != -1)
	dst.write(buf, 0, len);
	} finally {
	try {
	src.close();
	} catch (IOException ignored1) {
	} finally {
	try {
	dst.close();
	} catch (IOException ignored2) {
	}
	}
	}
	}

	private static class Result {

	final int exitValue;
	final String output;

	private Result(int exitValue, String output) {
	this.exitValue = exitValue;
	this.output = output;
	}
	}
	}