Examples of java.util.ArrayList.indexOf()

java.util.ArrayList.indexOf()
Returns the index of the first occurrence of the specified element in this list, or -1 if this list does not contain the element. More formally, returns the lowest index i such that (o==null ? get(i)==null : o.equals(get(i))), or -1 if there is no such index.

        assertNotNull("No aliases found", aliases);
        
        Alias UTF8Alias = new Alias();
        UTF8Alias.setName("UTF8");
        
        int utf8AliasIndex = aliases.indexOf(UTF8Alias);
        
        Alias a = (Alias) aliases.get(utf8AliasIndex);
        assertNotNull("No aliases found", a);
        
        assertEquals("Incorrect alias in list", a.getName(), "utf8");

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                ArrayList selectableRoles = new ArrayList(roles);
                Iterator rolesIter = userRoles.iterator();
                while ( rolesIter.hasNext() )
                {
                    Role role = (Role)rolesIter.next();
                    int index = selectableRoles.indexOf(role.getPrincipal().getName());
                    if (index != -1)
                    {
                        selectableRoles.remove(index);
                    }
                }

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                ArrayList selectableGroups = new ArrayList(groups);
                Iterator groupsIter = userGroups.iterator();
                while ( groupsIter.hasNext() )
                {
                    Group group = (Group)groupsIter.next();
                    int index = selectableGroups.indexOf(group.getPrincipal().getName());
                    if (index != -1)
                    {
                        selectableGroups.remove(index);
                    }
                }

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         // remove old listeners
         ArrayList copy = new ArrayList(listeners);
         for (int i = 0; i < alertListeners.size(); i++)
         {
            ObjectName oname = (ObjectName)alertListeners.get(i);
            int idx = copy.indexOf(oname);
            if (idx == -1)
            {
               try
               {
                  getServer().removeNotificationListener(getServiceName(), oname);

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    // Now retrieves the roles of current relation where the MBean
    // was referenced
    roleNames = (ArrayList)(mbeanRefMap.get(relationId));


    // Removes obsolete reference to role
    int obsRefIdx = roleNames.indexOf(roleName);
    if (obsRefIdx != -1) {
        roleNames.remove(obsRefIdx);
    }
      }

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        s.addAll((Collection) it.next());
      }          
      List all = new ArrayList(s);
      for (int i = 0; i <all.size() ; i++) {
          Object t1 = all.get(i);
          int t1Idx = all.indexOf(t1);
          Collection dependencies = (Collection) m.get(t1);
          if (dependencies != null) {
          for (Iterator it = dependencies.iterator(); it.hasNext();) {
              sb.append("\nws");
              sb.append(t1Idx);

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          for (Iterator it = dependencies.iterator(); it.hasNext();) {
              sb.append("\nws");
              sb.append(t1Idx);
              sb.append(" = > ");
              sb.append("ws");
              sb.append(all.indexOf(it.next()));
          }          
          }
      }
    return sb.toString();
  }

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        int i;
        for (i = 0; i < capacity / 2; i++) {
            al.add(i, new Object());
        }
        al.add(i, testObject);
        int location = al.indexOf(testObject);
        al.ensureCapacity(capacity);
        assertTrue("EnsureCapacity moved objects around in array1.",
                location == al.indexOf(testObject));
        al.remove(0);
        al.ensureCapacity(capacity);

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        }
        al.add(i, testObject);
        int location = al.indexOf(testObject);
        al.ensureCapacity(capacity);
        assertTrue("EnsureCapacity moved objects around in array1.",
                location == al.indexOf(testObject));
        al.remove(0);
        al.ensureCapacity(capacity);
        assertTrue("EnsureCapacity moved objects around in array2.",
                --location == al.indexOf(testObject));
        al.ensureCapacity(capacity + 2);

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        assertTrue("EnsureCapacity moved objects around in array1.",
                location == al.indexOf(testObject));
        al.remove(0);
        al.ensureCapacity(capacity);
        assertTrue("EnsureCapacity moved objects around in array2.",
                --location == al.indexOf(testObject));
        al.ensureCapacity(capacity + 2);
        assertTrue("EnsureCapacity did not change location.", location == al
                .indexOf(testObject));
    }

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