author | mchung |
Tue, 16 Apr 2013 21:39:52 -0700 | |
changeset 16906 | 44dfee24cb71 |
child 17204 | d0540971275f |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 2013, 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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|
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import com.sun.tools.classfile.*; |
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import com.sun.tools.jdeps.ClassFileReader; |
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import static com.sun.tools.classfile.ConstantPool.*; |
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import java.io.File; |
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import java.io.IOException; |
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import java.nio.file.FileVisitResult; |
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import java.nio.file.Files; |
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import java.nio.file.Path; |
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import java.nio.file.Paths; |
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import java.nio.file.SimpleFileVisitor; |
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import java.nio.file.attribute.BasicFileAttributes; |
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import java.util.ArrayList; |
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import java.util.List; |
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import java.util.Set; |
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import java.util.concurrent.Callable; |
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import java.util.concurrent.ExecutionException; |
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import java.util.concurrent.ExecutorService; |
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import java.util.concurrent.Executors; |
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import java.util.concurrent.FutureTask; |
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/* |
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* @test |
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* @bug 8010117 |
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* @summary Verify if CallerSensitive methods are annotated with |
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* sun.reflect.CallerSensitive annotation |
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* @build CallerSensitiveFinder MethodFinder |
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* @run main/othervm/timeout=900 -mx600m CallerSensitiveFinder |
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*/ |
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public class CallerSensitiveFinder extends MethodFinder { |
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private static int numThreads = 3; |
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private static boolean verbose = false; |
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public static void main(String[] args) throws Exception { |
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List<Path> classes = new ArrayList<>(); |
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String testclasses = System.getProperty("test.classes", "."); |
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int i = 0; |
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while (i < args.length) { |
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String arg = args[i++]; |
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if (arg.equals("-v")) { |
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verbose = true; |
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} else { |
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Path p = Paths.get(testclasses, arg); |
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if (!p.toFile().exists()) { |
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throw new IllegalArgumentException(arg + " does not exist"); |
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} |
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classes.add(p); |
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} |
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} |
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if (classes.isEmpty()) { |
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classes.addAll(PlatformClassPath.getJREClasses()); |
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} |
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final String method = "sun/reflect/Reflection.getCallerClass"; |
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CallerSensitiveFinder csfinder = new CallerSensitiveFinder(method); |
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|
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List<String> errors = csfinder.run(classes); |
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if (!errors.isEmpty()) { |
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throw new RuntimeException(errors.size() + |
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" caller-sensitive methods are missing @CallerSensitive annotation"); |
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} |
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} |
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|
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private final List<String> csMethodsMissingAnnotation = new ArrayList<>(); |
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public CallerSensitiveFinder(String... methods) { |
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super(methods); |
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} |
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public List<String> run(List<Path> classes) throws IOException, InterruptedException, |
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ExecutionException, ConstantPoolException |
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{ |
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ExecutorService pool = Executors.newFixedThreadPool(numThreads); |
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for (Path path : classes) { |
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ClassFileReader reader = ClassFileReader.newInstance(path.toFile()); |
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for (ClassFile cf : reader.getClassFiles()) { |
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String classFileName = cf.getName(); |
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// for each ClassFile |
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// parse constant pool to find matching method refs |
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// parse each method (caller) |
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// - visit and find method references matching the given method name |
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pool.submit(getTask(cf)); |
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} |
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} |
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waitForCompletion(); |
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pool.shutdown(); |
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return csMethodsMissingAnnotation; |
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} |
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|
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private static final String CALLER_SENSITIVE_ANNOTATION = "Lsun/reflect/CallerSensitive;"; |
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private static boolean isCallerSensitive(Method m, ConstantPool cp) |
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throws ConstantPoolException |
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{ |
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RuntimeAnnotations_attribute attr = |
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(RuntimeAnnotations_attribute)m.attributes.get(Attribute.RuntimeVisibleAnnotations); |
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int index = 0; |
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if (attr != null) { |
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for (int i = 0; i < attr.annotations.length; i++) { |
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Annotation ann = attr.annotations[i]; |
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String annType = cp.getUTF8Value(ann.type_index); |
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if (CALLER_SENSITIVE_ANNOTATION.equals(annType)) { |
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return true; |
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122 |
} |
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mchung
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123 |
} |
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124 |
} |
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125 |
return false; |
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126 |
} |
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127 |
|
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128 |
public void referenceFound(ClassFile cf, Method m, Set<Integer> refs) |
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129 |
throws ConstantPoolException |
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130 |
{ |
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131 |
String name = String.format("%s#%s %s", cf.getName(), |
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132 |
m.getName(cf.constant_pool), |
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133 |
m.descriptor.getValue(cf.constant_pool)); |
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|
134 |
if (!CallerSensitiveFinder.isCallerSensitive(m, cf.constant_pool)) { |
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mchung
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|
135 |
csMethodsMissingAnnotation.add(name); |
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mchung
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|
136 |
System.err.println("Missing @CallerSensitive: " + name); |
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|
137 |
} else { |
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mchung
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|
138 |
if (verbose) { |
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mchung
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|
139 |
System.out.format("@CS %s%n", name); |
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|
140 |
} |
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diff
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|
141 |
} |
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mchung
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diff
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|
142 |
} |
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mchung
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diff
changeset
|
143 |
|
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144 |
private final List<FutureTask<String>> tasks = new ArrayList<FutureTask<String>>(); |
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145 |
private FutureTask<String> getTask(final ClassFile cf) { |
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|
146 |
FutureTask<String> task = new FutureTask<String>(new Callable<String>() { |
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|
147 |
public String call() throws Exception { |
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|
148 |
return parse(cf); |
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|
149 |
} |
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|
150 |
}); |
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mchung
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|
151 |
tasks.add(task); |
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|
152 |
return task; |
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|
153 |
} |
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mchung
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diff
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|
154 |
|
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mchung
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|
155 |
private void waitForCompletion() throws InterruptedException, ExecutionException { |
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|
156 |
for (FutureTask<String> t : tasks) { |
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|
157 |
String s = t.get(); |
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|
158 |
} |
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mchung
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|
159 |
System.out.println("Parsed " + tasks.size() + " classfiles"); |
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diff
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|
160 |
} |
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mchung
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diff
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|
161 |
|
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mchung
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diff
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|
162 |
static class PlatformClassPath { |
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mchung
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diff
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|
163 |
static List<Path> getJREClasses() throws IOException { |
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mchung
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diff
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|
164 |
List<Path> result = new ArrayList<Path>(); |
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mchung
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|
165 |
Path home = Paths.get(System.getProperty("java.home")); |
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mchung
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diff
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|
166 |
|
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mchung
parents:
diff
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|
167 |
if (home.endsWith("jre")) { |
44dfee24cb71
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mchung
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diff
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|
168 |
// jar files in <javahome>/jre/lib |
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|
169 |
// skip <javahome>/lib |
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|
170 |
result.addAll(addJarFiles(home.resolve("lib"))); |
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|
171 |
} else if (home.resolve("lib").toFile().exists()) { |
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|
172 |
// either a JRE or a jdk build image |
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|
173 |
File classes = home.resolve("classes").toFile(); |
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diff
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|
174 |
if (classes.exists() && classes.isDirectory()) { |
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mchung
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diff
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|
175 |
// jdk build outputdir |
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mchung
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diff
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|
176 |
result.add(classes.toPath()); |
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mchung
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diff
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|
177 |
} |
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diff
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|
178 |
// add other JAR files |
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|
179 |
result.addAll(addJarFiles(home.resolve("lib"))); |
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mchung
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diff
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|
180 |
} else { |
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mchung
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diff
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|
181 |
throw new RuntimeException("\"" + home + "\" not a JDK home"); |
44dfee24cb71
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mchung
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diff
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|
182 |
} |
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mchung
parents:
diff
changeset
|
183 |
return result; |
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8010117: Annotate jdk caller sensitive methods with @sun.reflect.CallerSensitive
mchung
parents:
diff
changeset
|
184 |
} |
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mchung
parents:
diff
changeset
|
185 |
|
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mchung
parents:
diff
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|
186 |
static List<Path> addJarFiles(final Path root) throws IOException { |
44dfee24cb71
8010117: Annotate jdk caller sensitive methods with @sun.reflect.CallerSensitive
mchung
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diff
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|
187 |
final List<Path> result = new ArrayList<Path>(); |
44dfee24cb71
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mchung
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diff
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|
188 |
final Path ext = root.resolve("ext"); |
44dfee24cb71
8010117: Annotate jdk caller sensitive methods with @sun.reflect.CallerSensitive
mchung
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diff
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|
189 |
Files.walkFileTree(root, new SimpleFileVisitor<Path>() { |
44dfee24cb71
8010117: Annotate jdk caller sensitive methods with @sun.reflect.CallerSensitive
mchung
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diff
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|
190 |
@Override |
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8010117: Annotate jdk caller sensitive methods with @sun.reflect.CallerSensitive
mchung
parents:
diff
changeset
|
191 |
public FileVisitResult preVisitDirectory(Path dir, BasicFileAttributes attrs) |
44dfee24cb71
8010117: Annotate jdk caller sensitive methods with @sun.reflect.CallerSensitive
mchung
parents:
diff
changeset
|
192 |
throws IOException { |
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8010117: Annotate jdk caller sensitive methods with @sun.reflect.CallerSensitive
mchung
parents:
diff
changeset
|
193 |
if (dir.equals(root) || dir.equals(ext)) { |
44dfee24cb71
8010117: Annotate jdk caller sensitive methods with @sun.reflect.CallerSensitive
mchung
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diff
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|
194 |
return FileVisitResult.CONTINUE; |
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8010117: Annotate jdk caller sensitive methods with @sun.reflect.CallerSensitive
mchung
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diff
changeset
|
195 |
} else { |
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mchung
parents:
diff
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|
196 |
// skip other cobundled JAR files |
44dfee24cb71
8010117: Annotate jdk caller sensitive methods with @sun.reflect.CallerSensitive
mchung
parents:
diff
changeset
|
197 |
return FileVisitResult.SKIP_SUBTREE; |
44dfee24cb71
8010117: Annotate jdk caller sensitive methods with @sun.reflect.CallerSensitive
mchung
parents:
diff
changeset
|
198 |
} |
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mchung
parents:
diff
changeset
|
199 |
} |
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8010117: Annotate jdk caller sensitive methods with @sun.reflect.CallerSensitive
mchung
parents:
diff
changeset
|
200 |
|
44dfee24cb71
8010117: Annotate jdk caller sensitive methods with @sun.reflect.CallerSensitive
mchung
parents:
diff
changeset
|
201 |
@Override |
44dfee24cb71
8010117: Annotate jdk caller sensitive methods with @sun.reflect.CallerSensitive
mchung
parents:
diff
changeset
|
202 |
public FileVisitResult visitFile(Path file, BasicFileAttributes attrs) |
44dfee24cb71
8010117: Annotate jdk caller sensitive methods with @sun.reflect.CallerSensitive
mchung
parents:
diff
changeset
|
203 |
throws IOException { |
44dfee24cb71
8010117: Annotate jdk caller sensitive methods with @sun.reflect.CallerSensitive
mchung
parents:
diff
changeset
|
204 |
File f = file.toFile(); |
44dfee24cb71
8010117: Annotate jdk caller sensitive methods with @sun.reflect.CallerSensitive
mchung
parents:
diff
changeset
|
205 |
String fn = f.getName(); |
44dfee24cb71
8010117: Annotate jdk caller sensitive methods with @sun.reflect.CallerSensitive
mchung
parents:
diff
changeset
|
206 |
// parse alt-rt.jar as well |
44dfee24cb71
8010117: Annotate jdk caller sensitive methods with @sun.reflect.CallerSensitive
mchung
parents:
diff
changeset
|
207 |
if (fn.endsWith(".jar") && !fn.equals("jfxrt.jar")) { |
44dfee24cb71
8010117: Annotate jdk caller sensitive methods with @sun.reflect.CallerSensitive
mchung
parents:
diff
changeset
|
208 |
result.add(file); |
44dfee24cb71
8010117: Annotate jdk caller sensitive methods with @sun.reflect.CallerSensitive
mchung
parents:
diff
changeset
|
209 |
} |
44dfee24cb71
8010117: Annotate jdk caller sensitive methods with @sun.reflect.CallerSensitive
mchung
parents:
diff
changeset
|
210 |
return FileVisitResult.CONTINUE; |
44dfee24cb71
8010117: Annotate jdk caller sensitive methods with @sun.reflect.CallerSensitive
mchung
parents:
diff
changeset
|
211 |
} |
44dfee24cb71
8010117: Annotate jdk caller sensitive methods with @sun.reflect.CallerSensitive
mchung
parents:
diff
changeset
|
212 |
}); |
44dfee24cb71
8010117: Annotate jdk caller sensitive methods with @sun.reflect.CallerSensitive
mchung
parents:
diff
changeset
|
213 |
return result; |
44dfee24cb71
8010117: Annotate jdk caller sensitive methods with @sun.reflect.CallerSensitive
mchung
parents:
diff
changeset
|
214 |
} |
44dfee24cb71
8010117: Annotate jdk caller sensitive methods with @sun.reflect.CallerSensitive
mchung
parents:
diff
changeset
|
215 |
} |
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8010117: Annotate jdk caller sensitive methods with @sun.reflect.CallerSensitive
mchung
parents:
diff
changeset
|
216 |
} |