1 /*
   2  * Copyright (c) 2008, 2015, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.
   8  *
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  */
  23 
  24 /*
  25  * @test
  26  * @bug 6757225 6763051
  27  * @summary Test that type names in MXBeans match their spec.
  28  * @author Eamonn McManus
  29  */
  30 
  31 import java.lang.reflect.Field;
  32 import java.lang.reflect.InvocationHandler;
  33 import java.lang.reflect.Method;
  34 import java.lang.reflect.Proxy;
  35 import java.util.List;
  36 import java.util.Map;
  37 import javax.management.MBeanAttributeInfo;
  38 import javax.management.MBeanInfo;
  39 import javax.management.MBeanServer;
  40 import javax.management.MBeanServerFactory;
  41 import javax.management.ObjectName;
  42 import javax.management.StandardMBean;
  43 import javax.management.openmbean.TabularData;
  44 import javax.management.openmbean.TabularType;
  45 
  46 public class TypeNameTest {
  47     public static interface TestMXBean {
  48         public int getInt();
  49         public String IntName = "int";
  50 
  51         public Map<String, Integer> getMapSI();
  52         public String MapSIName = "java.util.Map<java.lang.String, java.lang.Integer>";
  53 
  54         public Map<String, int[]> getMapSInts();
  55         public String MapSIntsName = "java.util.Map<java.lang.String, int[]>";
  56 
  57         public List<List<int[]>> getListListInts();
  58         public String ListListIntsName = "java.util.List<java.util.List<int[]>>";
  59     }
  60 
  61     private static InvocationHandler nullIH = new InvocationHandler() {
  62         public Object invoke(Object proxy, Method method, Object[] args)
  63                 throws Throwable {
  64             return null;
  65         }
  66     };
  67 
  68     static volatile String failure;
  69 
  70     public static void main(String[] args) throws Exception {
  71         TestMXBean testImpl = (TestMXBean) Proxy.newProxyInstance(
  72                 TestMXBean.class.getClassLoader(), new Class<?>[] {TestMXBean.class}, nullIH);
  73         Object mxbean = new StandardMBean(testImpl, TestMXBean.class, true);
  74         MBeanServer mbs = MBeanServerFactory.newMBeanServer();
  75         ObjectName name = new ObjectName("a:b=c");
  76         mbs.registerMBean(mxbean, name);
  77         MBeanInfo mbi = mbs.getMBeanInfo(name);
  78         MBeanAttributeInfo[] mbais = mbi.getAttributes();
  79         boolean sawTabular = false;
  80         for (MBeanAttributeInfo mbai : mbais) {
  81             String attrName = mbai.getName();
  82             String attrTypeName = (String) mbai.getDescriptor().getFieldValue("originalType");
  83             String fieldName = attrName + "Name";
  84             Field nameField = TestMXBean.class.getField(fieldName);
  85             String expectedTypeName = (String) nameField.get(null);
  86 
  87             if (expectedTypeName.equals(attrTypeName)) {
  88                 System.out.println("OK: " + attrName + ": " + attrTypeName);
  89             } else {
  90                 fail("For attribute " + attrName + " expected type name \"" +
  91                         expectedTypeName + "\", found type name \"" + attrTypeName +
  92                         "\"");
  93             }
  94 
  95             if (mbai.getType().equals(TabularData.class.getName())) {
  96                 sawTabular = true;
  97                 TabularType tt = (TabularType) mbai.getDescriptor().getFieldValue("openType");
  98                 if (tt.getTypeName().equals(attrTypeName)) {
  99                     System.out.println("OK: TabularType name for " + attrName);
 100                 } else {
 101                     fail("For attribute " + attrName + " expected TabularType " +
 102                             "name \"" + attrTypeName + "\", found \"" +
 103                             tt.getTypeName());
 104                 }
 105             }
 106         }
 107 
 108         if (!sawTabular)
 109             fail("Test bug: did not test TabularType name");
 110 
 111         if (failure == null)
 112             System.out.println("TEST PASSED");
 113         else
 114             throw new Exception("TEST FAILED: " + failure);
 115     }
 116 
 117     private static void fail(String why) {
 118         System.out.println("FAIL: " + why);
 119         failure = why;
 120     }
 121 }