提交 234ddcee 编写于 作者: C chegar

Merge

......@@ -2621,7 +2621,7 @@ public interface CallableStatement extends PreparedStatement {
* parameter determines the Java type that must be used
* in the {@code get} method to read the value of that parameter.
* <p>
* This version of {@code registrOutParameter} should be
* This version of {@code registerOutParameter} should be
* used when the parameter is of JDBC type {@code JDBCType.NUMERIC}
* or {@code JDBCType.DECIMAL}.
*<P>
......@@ -2649,7 +2649,7 @@ public interface CallableStatement extends PreparedStatement {
/**
* Registers the designated output parameter.
* This version of
* the method {@code registrOutParameter}
* the method {@code registerOutParameter}
* should be used for a user-defined or {@code REF} output parameter.
* Examples
* of user-defined types include: {@code STRUCT}, {@code DISTINCT},
......@@ -2717,7 +2717,7 @@ public interface CallableStatement extends PreparedStatement {
* register the OUT Parameter.
* If the parameter is of JDBC type {@code JDBCType.NUMERIC}
* or {@code JDBCType.DECIMAL}, the version of
* {@code registrOutParameter} that accepts a scale value
* {@code registerOutParameter} that accepts a scale value
* should be used.
* @exception SQLException if parameterName does not correspond to a named
* parameter; if a database access error occurs or
......@@ -2745,7 +2745,7 @@ public interface CallableStatement extends PreparedStatement {
* parameter determines the Java type that must be used
* in the {@code get} method to read the value of that parameter.
* <p>
* This version of {@code registrOutParameter} should be
* This version of {@code registerOutParameter} should be
* used when the parameter is of JDBC type {@code JDBCType.NUMERIC}
* or {@code JDBCType.DECIMAL}.
*<P>
......@@ -2774,7 +2774,7 @@ public interface CallableStatement extends PreparedStatement {
/**
* Registers the designated output parameter. This version of
* the method {@code registrOutParameter}
* the method {@code registerOutParameter}
* should be used for a user-named or REF output parameter. Examples
* of user-named types include: STRUCT, DISTINCT, JAVA_OBJECT, and
* named array types.
......
......@@ -63,8 +63,13 @@ class JarFile extends ZipFile {
private JarVerifier jv;
private boolean jvInitialized;
private boolean verify;
private boolean computedHasClassPathAttribute;
// indicates if Class-Path attribute present (only valid if hasCheckedSpecialAttributes true)
private boolean hasClassPathAttribute;
// indicates if Profile attribute present (only valid if hasCheckedSpecialAttributes true)
private boolean hasProfileAttribute;
// true if manifest checked for special attributes
private volatile boolean hasCheckedSpecialAttributes;
// Set up JavaUtilJarAccess in SharedSecrets
static {
......@@ -421,27 +426,45 @@ class JarFile extends ZipFile {
jv);
}
// Statics for hand-coded Boyer-Moore search in hasClassPathAttribute()
// Statics for hand-coded Boyer-Moore search
private static final char[] CLASSPATH_CHARS = {'c','l','a','s','s','-','p','a','t','h'};
private static final char[] PROFILE_CHARS = { 'p', 'r', 'o', 'f', 'i', 'l', 'e' };
// The bad character shift for "class-path"
private static int[] lastOcc;
private static final int[] CLASSPATH_LASTOCC;
// The good suffix shift for "class-path"
private static int[] optoSft;
// Initialize the shift arrays to search for "class-path"
private static char[] src = {'c','l','a','s','s','-','p','a','t','h'};
private static final int[] CLASSPATH_OPTOSFT;
// The bad character shift for "profile"
private static final int[] PROFILE_LASTOCC;
// The good suffix shift for "profile"
private static final int[] PROFILE_OPTOSFT;
static {
lastOcc = new int[128];
optoSft = new int[10];
lastOcc[(int)'c']=1;
lastOcc[(int)'l']=2;
lastOcc[(int)'s']=5;
lastOcc[(int)'-']=6;
lastOcc[(int)'p']=7;
lastOcc[(int)'a']=8;
lastOcc[(int)'t']=9;
lastOcc[(int)'h']=10;
CLASSPATH_LASTOCC = new int[128];
CLASSPATH_OPTOSFT = new int[10];
CLASSPATH_LASTOCC[(int)'c'] = 1;
CLASSPATH_LASTOCC[(int)'l'] = 2;
CLASSPATH_LASTOCC[(int)'s'] = 5;
CLASSPATH_LASTOCC[(int)'-'] = 6;
CLASSPATH_LASTOCC[(int)'p'] = 7;
CLASSPATH_LASTOCC[(int)'a'] = 8;
CLASSPATH_LASTOCC[(int)'t'] = 9;
CLASSPATH_LASTOCC[(int)'h'] = 10;
for (int i=0; i<9; i++)
optoSft[i]=10;
optoSft[9]=1;
CLASSPATH_OPTOSFT[i] = 10;
CLASSPATH_OPTOSFT[9]=1;
PROFILE_LASTOCC = new int[128];
PROFILE_OPTOSFT = new int[7];
PROFILE_LASTOCC[(int)'p'] = 1;
PROFILE_LASTOCC[(int)'r'] = 2;
PROFILE_LASTOCC[(int)'o'] = 3;
PROFILE_LASTOCC[(int)'f'] = 4;
PROFILE_LASTOCC[(int)'i'] = 5;
PROFILE_LASTOCC[(int)'l'] = 6;
PROFILE_LASTOCC[(int)'e'] = 7;
for (int i=0; i<6; i++)
PROFILE_OPTOSFT[i] = 7;
PROFILE_OPTOSFT[6] = 1;
}
private JarEntry getManEntry() {
......@@ -466,17 +489,55 @@ class JarFile extends ZipFile {
return manEntry;
}
// Returns true iff this jar file has a manifest with a class path
// attribute. Returns false if there is no manifest or the manifest
// does not contain a "Class-Path" attribute. Currently exported to
// core libraries via sun.misc.SharedSecrets.
/**
* Returns {@code true} iff this JAR file has a manifest with the
* Class-Path attribute
*/
boolean hasClassPathAttribute() throws IOException {
if (computedHasClassPathAttribute) {
return hasClassPathAttribute;
checkForSpecialAttributes();
return hasClassPathAttribute;
}
/**
* Returns {@code true} iff this JAR file has a manifest with the
* Profile attribute
*/
boolean hasProfileAttribute() throws IOException {
checkForSpecialAttributes();
return hasProfileAttribute;
}
/**
* Returns true if the pattern {@code src} is found in {@code b}.
* The {@code lastOcc} and {@code optoSft} arrays are the precomputed
* bad character and good suffix shifts.
*/
private boolean match(char[] src, byte[] b, int[] lastOcc, int[] optoSft) {
int len = src.length;
int last = b.length - len;
int i = 0;
next:
while (i<=last) {
for (int j=(len-1); j>=0; j--) {
char c = (char) b[i+j];
c = (((c-'A')|('Z'-c)) >= 0) ? (char)(c + 32) : c;
if (c != src[j]) {
i += Math.max(j + 1 - lastOcc[c&0x7F], optoSft[j]);
continue next;
}
}
return true;
}
return false;
}
hasClassPathAttribute = false;
if (!isKnownToNotHaveClassPathAttribute()) {
/**
* On first invocation, check if the JAR file has the Class-Path
* and/or Profile attributes. A no-op on subsequent calls.
*/
private void checkForSpecialAttributes() throws IOException {
if (hasCheckedSpecialAttributes) return;
if (!isKnownNotToHaveSpecialAttributes()) {
JarEntry manEntry = getManEntry();
if (manEntry != null) {
byte[] b = new byte[(int)manEntry.getSize()];
......@@ -484,31 +545,18 @@ class JarFile extends ZipFile {
super.getInputStream(manEntry))) {
dis.readFully(b, 0, b.length);
}
int last = b.length - src.length;
int i = 0;
next:
while (i<=last) {
for (int j=9; j>=0; j--) {
char c = (char) b[i+j];
c = (((c-'A')|('Z'-c)) >= 0) ? (char)(c + 32) : c;
if (c != src[j]) {
i += Math.max(j + 1 - lastOcc[c&0x7F], optoSft[j]);
continue next;
}
}
if (match(CLASSPATH_CHARS, b, CLASSPATH_LASTOCC, CLASSPATH_OPTOSFT))
hasClassPathAttribute = true;
break;
}
if (match(PROFILE_CHARS, b, PROFILE_LASTOCC, PROFILE_OPTOSFT))
hasProfileAttribute = true;
}
}
computedHasClassPathAttribute = true;
return hasClassPathAttribute;
hasCheckedSpecialAttributes = true;
}
private static String javaHome;
private static String[] jarNames;
private boolean isKnownToNotHaveClassPathAttribute() {
private static volatile String[] jarNames;
private boolean isKnownNotToHaveSpecialAttributes() {
// Optimize away even scanning of manifest for jar files we
// deliver which don't have a class-path attribute. If one of
// these jars is changed to include such an attribute this code
......@@ -518,19 +566,20 @@ class JarFile extends ZipFile {
new GetPropertyAction("java.home"));
}
if (jarNames == null) {
String[] names = new String[10];
String[] names = new String[11];
String fileSep = File.separator;
int i = 0;
names[i++] = fileSep + "rt.jar";
names[i++] = fileSep + "sunrsasign.jar";
names[i++] = fileSep + "jsse.jar";
names[i++] = fileSep + "jce.jar";
names[i++] = fileSep + "charsets.jar";
names[i++] = fileSep + "dnsns.jar";
names[i++] = fileSep + "ldapsec.jar";
names[i++] = fileSep + "zipfs.jar";
names[i++] = fileSep + "localedata.jar";
names[i++] = fileSep = "cldrdata.jar";
names[i++] = fileSep + "sunjce_provider.jar";
names[i++] = fileSep + "sunpkcs11.jar";
names[i++] = fileSep + "sunec.jar";
jarNames = names;
}
......
......@@ -37,6 +37,10 @@ class JavaUtilJarAccessImpl implements JavaUtilJarAccess {
return jar.hasClassPathAttribute();
}
public boolean jarFileHasProfileAttribute(JarFile jar) throws IOException {
return jar.hasProfileAttribute();
}
public CodeSource[] getCodeSources(JarFile jar, URL url) {
return jar.getCodeSources(url);
}
......
......@@ -35,6 +35,7 @@ import java.util.jar.JarFile;
public interface JavaUtilJarAccess {
public boolean jarFileHasClassPathAttribute(JarFile jar) throws IOException;
public boolean jarFileHasProfileAttribute(JarFile jar) throws IOException;
public CodeSource[] getCodeSources(JarFile jar, URL url);
public CodeSource getCodeSource(JarFile jar, URL url, String name);
public Enumeration<String> entryNames(JarFile jar, CodeSource[] cs);
......
......@@ -808,9 +808,6 @@ public class URLClassPath {
/**
* If the Profile attribute is present then this method checks that the runtime
* supports that profile.
*
* ## Add a fast path like Class-Path to avoid reading the manifest when the attribute
* is not present.
*/
void checkProfileAttribute() throws IOException {
Manifest man = jar.getManifest();
......@@ -998,7 +995,8 @@ public class URLClassPath {
parseExtensionsDependencies();
// check Profile attribute if present
if (!profileCheckSuppressedByLauncher) {
if (!profileCheckSuppressedByLauncher &&
SharedSecrets.javaUtilJarAccess().jarFileHasProfileAttribute(jar)) {
checkProfileAttribute();
}
......
#
# Copyright (c) 2013, 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 7174978
# @summary Redefine a class with a method stored in a backtrace.
# @author Stefan Karlsson
#
# @run shell MakeJAR3.sh RedefineMethodInBacktraceAgent 'Can-Redefine-Classes: true'
# @run build RedefineMethodInBacktraceTarget RedefineMethodInBacktraceApp
# @run shell RedefineMethodInBacktrace.sh
#
if [ "${TESTJAVA}" = "" ]
then
echo "TESTJAVA not set. Test cannot execute. Failed."
exit 1
fi
if [ "${COMPILEJAVA}" = "" ]
then
COMPILEJAVA="${TESTJAVA}"
fi
echo "COMPILEJAVA=${COMPILEJAVA}"
if [ "${TESTSRC}" = "" ]
then
echo "TESTSRC not set. Test cannot execute. Failed."
exit 1
fi
if [ "${TESTCLASSES}" = "" ]
then
echo "TESTCLASSES not set. Test cannot execute. Failed."
exit 1
fi
JAVAC="${COMPILEJAVA}"/bin/javac
JAVA="${TESTJAVA}"/bin/java
cp "${TESTSRC}"/RedefineMethodInBacktraceTarget_2.java \
RedefineMethodInBacktraceTarget.java
"${JAVAC}" ${TESTJAVACOPTS} ${TESTTOOLVMOPTS} -d . RedefineMethodInBacktraceTarget.java
"${JAVA}" ${TESTVMOPTS} -javaagent:RedefineMethodInBacktraceAgent.jar \
-classpath "${TESTCLASSES}" RedefineMethodInBacktraceApp > output.log 2>&1
RUN_RESULT=$?
if [ $RUN_RESULT != 0 ]; then
echo "FAIL: the run failed with exit code '$RUN_RESULT'"
exit $RUN_RESULT
fi
cat output.log
MESG="Exception"
grep "$MESG" output.log
result=$?
if [ "$result" = 0 ]; then
echo "FAIL: found '$MESG' in the test output"
result=1
else
echo "PASS: did NOT find '$MESG' in the test output"
result=0
fi
exit $result
/*
* Copyright (c) 2013, 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.lang.instrument.Instrumentation;
public class RedefineMethodInBacktraceAgent {
private static Instrumentation instrumentation;
private RedefineMethodInBacktraceAgent() {}
public static void premain(String agentArgs, Instrumentation inst) {
System.out.println("Hello from RedefineMethodInBacktraceAgent!");
System.out.println("isRedefineClassesSupported()=" +
inst.isRedefineClassesSupported());
instrumentation = inst;
}
public static Instrumentation getInstrumentation() {
return instrumentation;
}
}
/*
* Copyright (c) 2013, 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.File;
import java.io.FileInputStream;
import java.io.InputStream;
import java.lang.instrument.ClassDefinition;
import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;
/**
* When an exception is thrown, the JVM collects just enough information
* about the stack trace to be able to create a full fledged stack trace
* (StackTraceElement[]). The backtrace contains this information and the
* JVM must make sure that the data in the backtrace is still usable after
* a class redefinition.
*
* After the PermGen removal there was a bug when the last reference to a Method
* was in the backtrace. The class of the method was kept alive, because of the
* mirror stored in the backtrace, but the old versions of the redefined method
* could be freed, since class redefinition didn't know about the backtraces.
*/
public class RedefineMethodInBacktraceApp {
public static void main(String args[]) throws Exception {
System.out.println("Hello from RedefineMethodInBacktraceApp!");
new RedefineMethodInBacktraceApp().doTest();
System.exit(0);
}
private void doTest() throws Exception {
doMethodInBacktraceTest();
}
private void doMethodInBacktraceTest() throws Exception {
Throwable t = getThrowableFromMethodToRedefine();
doRedefine(RedefineMethodInBacktraceTarget.class);
doClassUnloading();
touchRedefinedMethodInBacktrace(t);
}
private static Throwable getThrowableFromMethodToRedefine() throws Exception {
Class<RedefineMethodInBacktraceTarget> c =
RedefineMethodInBacktraceTarget.class;
Method method = c.getMethod("methodToRedefine");
Throwable thrownFromMethodToRedefine = null;
try {
method.invoke(null);
} catch (InvocationTargetException e) {
thrownFromMethodToRedefine = e.getCause();
if (!(thrownFromMethodToRedefine instanceof RuntimeException)) {
throw e;
}
}
method = null;
c = null;
return thrownFromMethodToRedefine;
}
private static void doClassUnloading() {
// This will clean out old, unused redefined methods.
System.gc();
}
private static void touchRedefinedMethodInBacktrace(Throwable throwable) {
// Make sure that we can convert the backtrace, which is referring to
// the redefined method, to a StrackTraceElement[] without crashing.
throwable.getStackTrace();
}
private static void doRedefine(Class<?> clazz) throws Exception {
// Load the second version of this class.
File f = new File(clazz.getName() + ".class");
System.out.println("Reading test class from " + f.getAbsolutePath());
InputStream redefineStream = new FileInputStream(f);
byte[] redefineBuffer = NamedBuffer.loadBufferFromStream(redefineStream);
ClassDefinition redefineParamBlock = new ClassDefinition(
clazz, redefineBuffer);
RedefineMethodInBacktraceAgent.getInstrumentation().redefineClasses(
new ClassDefinition[] {redefineParamBlock});
}
}
/*
* Copyright (c) 2013, 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.
*/
/**
* The first version of this class. The second version is in
* RedefineMethodInBacktraceTarget_2.java.
*/
public class RedefineMethodInBacktraceTarget {
public static void methodToRedefine() {
throw new RuntimeException("Test exception");
}
}
/*
* Copyright (c) 2013, 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.
*/
/**
* This is the second version of this class. The first version is in
* RedefineMethodInBacktraceTarget.java.
*/
public class RedefineMethodInBacktraceTarget {
public static void methodToRedefine() {
throw new RuntimeException("Test exception 2");
}
}
#
# Copyright (c) 2013, 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 7022100
# @summary Method annotations are incorrectly set when redefining classes.
# @author Stefan Karlsson
#
# @run shell MakeJAR3.sh RedefineMethodWithAnnotationsAgent 'Can-Redefine-Classes: true'
# @run build RedefineMethodWithAnnotationsTarget RedefineMethodWithAnnotationsApp RedefineMethodWithAnnotationsAnnotations
# @run shell RedefineMethodWithAnnotations.sh
#
if [ "${TESTJAVA}" = "" ]
then
echo "TESTJAVA not set. Test cannot execute. Failed."
exit 1
fi
if [ "${COMPILEJAVA}" = "" ]
then
COMPILEJAVA="${TESTJAVA}"
fi
echo "COMPILEJAVA=${COMPILEJAVA}"
if [ "${TESTSRC}" = "" ]
then
echo "TESTSRC not set. Test cannot execute. Failed."
exit 1
fi
if [ "${TESTCLASSES}" = "" ]
then
echo "TESTCLASSES not set. Test cannot execute. Failed."
exit 1
fi
JAVAC="${COMPILEJAVA}"/bin/javac
JAVA="${TESTJAVA}"/bin/java
cp "${TESTSRC}"/RedefineMethodWithAnnotationsTarget_2.java \
RedefineMethodWithAnnotationsTarget.java
cp "${TESTSRC}"/RedefineMethodWithAnnotationsAnnotations.java \
RedefineMethodWithAnnotationsAnnotations.java
"${JAVAC}" ${TESTJAVACOPTS} ${TESTTOOLVMOPTS} -d . \
RedefineMethodWithAnnotationsTarget.java \
RedefineMethodWithAnnotationsAnnotations.java
"${JAVA}" ${TESTVMOPTS} -javaagent:RedefineMethodWithAnnotationsAgent.jar \
-cp "${TESTCLASSES}" RedefineMethodWithAnnotationsApp > output.log 2>&1
cat output.log
MESG="Exception"
grep "$MESG" output.log
result=$?
if [ "$result" = 0 ]; then
echo "FAIL: found '$MESG' in the test output"
result=1
else
echo "PASS: did NOT find '$MESG' in the test output"
result=0
fi
exit $result
/*
* Copyright (c) 2013, 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.lang.instrument.Instrumentation;
public class RedefineMethodWithAnnotationsAgent {
private static Instrumentation instrumentation;
private RedefineMethodWithAnnotationsAgent() {}
public static void premain(String agentArgs, Instrumentation inst) {
System.out.println("Hello from RedefineMethodWithAnnotationsAgent!");
System.out.println("isRedefineClassesSupported()=" +
inst.isRedefineClassesSupported());
instrumentation = inst;
}
public static Instrumentation getInstrumentation() {
return instrumentation;
}
}
/*
* Copyright (c) 2013, 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.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
@Retention(RetentionPolicy.RUNTIME)
@interface ParameterAnnotation {
// Values used for the annotations in the first version of the target class.
static final String STRING_VALUE_1 = "String1";
static final String INT_VALUE_1 = "Int1";
// Values used for the annotations in the second version of the target class.
static final String STRING_VALUE_2 = "String2";
static final String INT_VALUE_2 = "Int2";
String value();
}
/*
* Copyright (c) 2013, 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.File;
import java.io.FileInputStream;
import java.io.InputStream;
import java.lang.annotation.Annotation;
import java.lang.instrument.ClassDefinition;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
import java.lang.reflect.Method;
public class RedefineMethodWithAnnotationsApp {
public static void main(String args[]) throws Exception {
System.out.println("Hello from RedefineMethodWithAnnotationsApp!");
new RedefineMethodWithAnnotationsApp().doTest();
System.exit(0);
}
private void doTest() throws Exception {
doMethodParameterAnnotationsTest();
}
private void doMethodParameterAnnotationsTest() throws Exception {
verifyMethodParameterAnnotationsValue(
ParameterAnnotation.STRING_VALUE_1);
doRedefine(RedefineMethodWithAnnotationsTarget.class);
verifyMethodParameterAnnotationsValue(
ParameterAnnotation.STRING_VALUE_2);
}
private static void verifyMethodParameterAnnotationsValue(
String expectedValue) throws Exception {
Class<RedefineMethodWithAnnotationsTarget> c =
RedefineMethodWithAnnotationsTarget.class;
Method method = c.getMethod("annotatedMethod", String.class);
Annotation [][] parametersAnnotations =
method.getParameterAnnotations();
if (parametersAnnotations.length != 1) {
throw new Exception("Incorrect number of parameters to method: " +
method.getName() + "." +
" Expected: 1," +
" got: " + parametersAnnotations.length);
}
Annotation[] parameterAnnotations = parametersAnnotations[0];
if (parameterAnnotations.length != 1) {
throw new Exception("Incorrect number of annotations." +
" Expected: 1" +
", got " + parameterAnnotations.length);
}
Annotation parameterAnnotation = parameterAnnotations[0];
if (!(parameterAnnotation instanceof ParameterAnnotation)) {
throw new Exception("Incorrect Annotation class." +
" Expected: " + ParameterAnnotation.class.getName() +
", got: " + parameterAnnotation.getClass().getName());
}
ParameterAnnotation pa = (ParameterAnnotation)parameterAnnotation;
String annotationValue = pa.value();
if (!expectedValue.equals(annotationValue)) {
throw new Exception("Incorrect parameter annotation value." +
" Expected: " + expectedValue +
", got: " + annotationValue);
}
}
private static void doRedefine(Class<?> clazz) throws Exception {
// Load the second version of this class.
File f = new File(clazz.getName() + ".class");
System.out.println("Reading test class from " + f);
InputStream redefineStream = new FileInputStream(f);
byte[] redefineBuffer = NamedBuffer.loadBufferFromStream(redefineStream);
ClassDefinition redefineParamBlock = new ClassDefinition(
clazz, redefineBuffer);
RedefineMethodWithAnnotationsAgent.getInstrumentation().redefineClasses(
new ClassDefinition[] {redefineParamBlock});
}
}
/*
* Copyright (c) 2013, 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.
*/
/**
* The first version of this class. The second version is in
* RedefineMethodWithAnnotationsTarget_2.java.
*/
public class RedefineMethodWithAnnotationsTarget {
public void annotatedMethod(@ParameterAnnotation(
value = ParameterAnnotation.STRING_VALUE_1) String parameter) { }
public void annotatedMethod(@ParameterAnnotation(
value = ParameterAnnotation.INT_VALUE_1) int parameter) { }
}
/*
* Copyright (c) 2013, 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.
*/
/**
* This is the second version of this class. The first version is in
* RedefineMethodWithAnnotationsTarget.java.
* <p>
* It has the same methods but with different annotations and order.
*/
public class RedefineMethodWithAnnotationsTarget {
public void annotatedMethod(@ParameterAnnotation(
value = ParameterAnnotation.INT_VALUE_2) int parameter) { }
public void annotatedMethod(@ParameterAnnotation(
value = ParameterAnnotation.STRING_VALUE_2) String parameter) { }
}
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