/*
* Copyright (c) 2006, 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
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* questions.
*/
/*
* @test
* @bug 6398884
* @summary Test that a method inherited from two different interfaces
* appears only once in MBeanInfo.
* @author dfuchs
*
* @run clean TooManyFooTest
* @run build TooManyFooTest
* @run main TooManyFooTest
*/
import java.lang.management.ManagementFactory;
import java.lang.reflect.Method;
import java.util.Arrays;
import java.util.HashMap;
import java.util.HashSet;
import java.util.Map;
import java.util.Set;
import java.util.logging.Logger;
import javax.management.Descriptor;
import javax.management.MBeanInfo;
import javax.management.MBeanOperationInfo;
import javax.management.MBeanServer;
import javax.management.ObjectName;
import javax.management.StandardMBean;
import javax.management.openmbean.OpenMBeanOperationInfo;
/**
* Class TooManyFooTest
* @author Sun Microsystems, 2005 - All rights reserved.
*/
public class TooManyFooTest {
public static class NumberHolder {
public Integer getNumber() { return 0;}
public void setNumber(Integer n) {};
}
public static class MyNumberHolder extends NumberHolder {
}
public interface Parent1 {
public int foo(); // Both in Parent1 and Parent2
public Integer barfoo(); // Subtype in Parent1, Super type in Parent2
public Long foobar(); // Subtype in Parent1 & MBean, Super type in
// Parent2
public Number toofoo(); // Subtype in Parent1, Super type in Parent2
// Concrete type in MBean
public Object toofoofoo(); // Super type in Parent1, Subtype in Parent2,
public NumberHolder toobarbar(); // toofoofoo reversed
}
public interface Parent2 {
public int foo(); // Both in Parent1 and Parent2
public Number barfoo();
public Number foobar();
public Object toofoo();
public NumberHolder toofoofoo();
public Object toobarbar();
}
public interface ChildMBean extends Parent1, Parent2 {
public Long foobar();
public Long toofoo();
}
public interface ChildMXBean extends Parent1, Parent2 {
public Long foobar();
public Long toofoo();
}
public interface ChildMixMXBean extends ChildMBean, ChildMXBean {
}
public static class Child implements ChildMBean {
public int foo() {return 0;}
public Long foobar() {return 0L;}
public Long toofoo() {return 0L;}
public Integer barfoo() {return 0;}
public MyNumberHolder toofoofoo() { return null;}
public MyNumberHolder toobarbar() { return null;}
}
public static class ChildMix implements ChildMXBean {
public int foo() {return 0;}
public Long foobar() {return 0L;}
public Long toofoo() {return 0L;}
public Integer barfoo() {return 0;}
public MyNumberHolder toofoofoo() { return null;}
public MyNumberHolder toobarbar() { return null;}
}
public static class ChildMixMix extends Child implements ChildMixMXBean {
}
/** Creates a new instance of TooManyFooTest */
public TooManyFooTest() {
}
private static final int OPCOUNT;
private static final Map<String,String> EXPECTED_TYPES;
private static final String[][] type_array = {
{ "foo", int.class.getName() },
{ "foobar", Long.class.getName()},
{ "toofoo", Long.class.getName()},
{ "barfoo", Integer.class.getName()},
{ "toofoofoo", NumberHolder.class.getName()},
{ "toobarbar", NumberHolder.class.getName()},
};
static {
try {
final Set<String> declared = new HashSet<String>();
for (Method m:Child.class.getDeclaredMethods()) {
declared.add(m.getName()+Arrays.asList(m.getParameterTypes()));
}
final Set<String> exposed = new HashSet<String>();
for (Method m:ChildMBean.class.getMethods()) {
exposed.add(m.getName()+Arrays.asList(m.getParameterTypes()));
}
declared.retainAll(exposed);
OPCOUNT = declared.size();
EXPECTED_TYPES = new HashMap<String,String>();
for (String[] st:type_array) {
EXPECTED_TYPES.put(st[0],st[1]);
}
} catch (Exception x) {
throw new ExceptionInInitializerError(x);
}
}
private static void test(Object child, String name, boolean mxbean)
throws Exception {
final ObjectName childName =
new ObjectName("test:type=Child,name="+name);
final MBeanServer server =
ManagementFactory.getPlatformMBeanServer();
server.registerMBean(child,childName);
try {
final MBeanInfo info = server.getMBeanInfo(childName);
System.out.println(name+": " + info.getDescriptor());
final int len = info.getOperations().length;
if (len == OPCOUNT) {
System.out.println(name+": OK, only "+OPCOUNT+
" operations here...");
} else {
final String qual = (len>OPCOUNT)?"many":"few";
System.err.println(name+": Too "+qual+" foos! Found "+
len+", expected "+OPCOUNT);
for (MBeanOperationInfo op : info.getOperations()) {
System.err.println("public "+op.getReturnType()+" "+
op.getName()+"();");
}
throw new RuntimeException("Too " + qual +
" foos for "+name);
}
final Descriptor d = info.getDescriptor();
final String mxstr = String.valueOf(d.getFieldValue("mxbean"));
final boolean mxb =
(mxstr==null)?false:Boolean.valueOf(mxstr).booleanValue();
System.out.println(name+": mxbean="+mxb);
if (mxbean && !mxb)
throw new AssertionError("MXBean is not OpenMBean?");
for (MBeanOperationInfo mboi : info.getOperations()) {
// Sanity check
if (mxbean && !mboi.getName().equals("foo")) {
// The spec doesn't guarantee that the MBeanOperationInfo
// of an MXBean will be an OpenMBeanOperationInfo, and in
// some circumstances in our implementation it will not.
// However, in thsi tests, for all methods but foo(),
// it should.
//
if (!(mboi instanceof OpenMBeanOperationInfo))
throw new AssertionError("Operation "+mboi.getName()+
"() is not Open?");
}
final String exp = EXPECTED_TYPES.get(mboi.getName());
// For MXBeans, we need to compare 'exp' with the original
// type - because mboi.getReturnType() returns the OpenType
//
String type = (String)mboi.getDescriptor().
getFieldValue("originalType");
if (type == null) type = mboi.getReturnType();
if (type.equals(exp)) continue;
System.err.println("Bad return type for "+
mboi.getName()+"! Found "+type+
", expected "+exp);
throw new RuntimeException("Bad return type for "+
mboi.getName());
}
} finally {
server.unregisterMBean(childName);
}
}
public static void main(String[] args) throws Exception {
final Child child = new Child();
test(child,"Child[MBean]",false);
final ChildMix childx = new ChildMix();
test(childx,"ChildMix[MXBean]",true);
final ChildMixMix childmx = new ChildMixMix();
test(childmx,"ChildMixMix[MXBean]",false);
final StandardMBean schild = new StandardMBean(child,ChildMBean.class);
test(schild,"Child[StandarMBean(Child)]",false);
final StandardMBean schildx =
new StandardMBean(childx,ChildMXBean.class,true);
test(schildx,"ChildMix[StandarMXBean(ChildMix)]",true);
final StandardMBean schildmx =
new StandardMBean(childmx,ChildMixMXBean.class,true);
test(schildmx,"ChildMixMix[StandarMXBean(ChildMixMix)]",true);
}
}
