OAMPSystemMessageParser


1   package com.quikj.application.web.oamp.messaging;
2   
3   // JAXP packages
4   import org.w3c.dom.*;
5   
6   // NANOXML packages
7   import net.n3.nanoxml.*;
8   
9   public class OAMPSystemMessageParser implements OAMPMessageParserInterface
10  {
11      public static final String   OAMP_SYSTEM_FEATURE_NAME = "system";
12          
13      public OAMPSystemMessageParser()
14      {
15      }
16      
17      public boolean parse(Object   message_element, boolean request)
18      {
19          message = null; // initialize
20          errorMessage = "";
21          String   node_name;
22          
23          if (OAMPFrameworkMessageParser.getParserType() == OAMPFrameworkMessageParser.DOM_PARSER)
24          {
25              node_name = getDomNodeName(message_element);
26          }
27          else // NANOXML parser
28          {
29              node_name = getNanoNodeName(message_element);
30          }
31          
32          if (node_name.equals(OAMPSystemMessageTypes.REGISTRATION_NODE_NAME) == true)
33          {
34              if (request == true) // HTTP request
35              {
36                  OAMPMessageInterface msg = new RegistrationRequestMessage();
37                  if (msg.parse(message_element) == false) // parsing failed
38                  {
39                      errorMessage = msg.getErrorMessage();
40                      return false;
41                  }
42                  message = msg;
43                  return true;
44              }
45              else // HTTP response
46              {
47                  OAMPMessageInterface msg = new RegistrationResponseMessage();
48                  if (msg.parse(message_element) == false) // parsing failed
49                  {
50                      errorMessage = msg.getErrorMessage();
51                      return false;
52                  }
53                  message = msg;
54                  return true;
55              }
56          }
57          else if (node_name.equals(OAMPSystemMessageTypes.LOG_NODE_NAME) == true)
58          {
59              if (request == true) // HTTP request
60              {
61                  OAMPMessageInterface msg = new LogRequestMessage();
62                  if (msg.parse(message_element) == false) // parsing failed
63                  {
64                      errorMessage = msg.getErrorMessage();
65                      return false;
66                  }
67                  message = msg;
68                  return true;
69              }
70              else // HTTP response
71              {
72                  errorMessage = "Unsupported OAMP system message type: "
73                  + node_name
74                  + " received";
75                  return false;
76              }
77          }        
78          else
79          {
80              errorMessage = "Unsupported OAMP system message type: "
81              + node_name
82              + " received";
83              return false;
84          }
85         
86      }
87      
88      private String   getDomNodeName(Object   message_element)
89      {
90          return ((Node)message_element).getNodeName();
91      }
92      
93      private String   getNanoNodeName(Object   message_element)
94      {
95          return ((IXMLElement)message_element).getFullName();
96      }
97      
98      public OAMPMessageInterface getMessage()
99      {
100         return message;
101     }
102     
103     public String   getErrorMessage()
104     {
105         return errorMessage;
106     }
107         
108     private OAMPMessageInterface message;
109     private String   errorMessage = "";
110     
111 }
112
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