1 /* 2 * Conditions Of Use 3 * 4 * This software was developed by employees of the National Institute of 5 * Standards and Technology (NIST), an agency of the Federal Government. 6 * Pursuant to title 15 Untied States Code Section 105, works of NIST 7 * employees are not subject to copyright protection in the United States 8 * and are considered to be in the public domain. As a result, a formal 9 * license is not needed to use the software. 10 * 11 * This software is provided by NIST as a service and is expressly 12 * provided "AS IS." NIST MAKES NO WARRANTY OF ANY KIND, EXPRESS, IMPLIED 13 * OR STATUTORY, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTY OF 14 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, NON-INFRINGEMENT 15 * AND DATA ACCURACY. NIST does not warrant or make any representations 16 * regarding the use of the software or the results thereof, including but 17 * not limited to the correctness, accuracy, reliability or usefulness of 18 * the software. 19 * 20 * Permission to use this software is contingent upon your acceptance 21 * of the terms of this agreement 22 * 23 * . 24 * 25 */ 26 /******************************************************************************* 27 * Product of NIST/ITL Advanced Networking Technologies Division (ANTD) * 28 ******************************************************************************/ 29 package gov.nist.javax.sip.message; 30 31 import gov.nist.core.*; 32 import java.lang.reflect.*; 33 34 /** 35 * This is the root object from which all other objects in this package 36 * are derived. This class is never directly instantiated (and hence it 37 * is abstract). 38 * 39 * @version 1.2 $Revision: 1.7 $ $Date: 2009/07/17 18:57:54 $ 40 * @since 1.1 41 * 42 * @author M. Ranganathan <br/> 43 * 44 * 45 */ 46 public abstract class MessageObject extends GenericObject { 47 public abstract String encode(); 48 49 public void dbgPrint() { 50 super.dbgPrint(); 51 } 52 53 /** 54 * An introspection based string formatting method. We need this because 55 * in this package (although it is an exact duplicate of the one in 56 * the superclass) because it needs to access the protected members 57 * of the other objects in this class. 58 */ 59 public String debugDump() { 60 stringRepresentation = ""; 61 Class<?> myclass = getClass(); 62 sprint(myclass.getName()); 63 sprint("{"); 64 Field[] fields = myclass.getDeclaredFields(); 65 for (int i = 0; i < fields.length; i++) { 66 Field f = fields[i]; 67 // Only print protected and public members. 68 int modifier = f.getModifiers(); 69 if (modifier == Modifier.PRIVATE) 70 continue; 71 Class<?> fieldType = f.getType(); 72 String fieldName = f.getName(); 73 if (fieldName.compareTo("stringRepresentation") == 0) { 74 // avoid nasty recursions... 75 continue; 76 } 77 if (fieldName.compareTo("indentation") == 0) { 78 // formatting stuff - not relevant here. 79 continue; 80 } 81 sprint(fieldName + ":"); 82 try { 83 // Primitive fields are printed with type: value 84 if (fieldType.isPrimitive()) { 85 String fname = fieldType.toString(); 86 sprint(fname + ":"); 87 if (fname.compareTo("int") == 0) { 88 int intfield = f.getInt(this); 89 sprint(intfield); 90 } else if (fname.compareTo("short") == 0) { 91 short shortField = f.getShort(this); 92 sprint(shortField); 93 } else if (fname.compareTo("char") == 0) { 94 char charField = f.getChar(this); 95 sprint(charField); 96 } else if (fname.compareTo("long") == 0) { 97 long longField = f.getLong(this); 98 sprint(longField); 99 } else if (fname.compareTo("boolean") == 0) { 100 boolean booleanField = f.getBoolean(this); 101 sprint(booleanField); 102 } else if (fname.compareTo("double") == 0) { 103 double doubleField = f.getDouble(this); 104 sprint(doubleField); 105 } else if (fname.compareTo("float") == 0) { 106 float floatField = f.getFloat(this); 107 sprint(floatField); 108 } 109 } else if ( 110 GenericObject.class.isAssignableFrom( 111 fieldType)) { 112 if (f.get(this) != null) { 113 sprint( 114 ((GenericObject) f.get(this)).debugDump( 115 this.indentation + 1)); 116 } else { 117 sprint("<null>"); 118 } 119 120 } else if (GenericObjectList.class.isAssignableFrom( 121 fieldType)) { 122 if (f.get(this) != null) { 123 sprint( 124 ((GenericObjectList) f.get(this)).debugDump( 125 indentation + 1)); 126 } else { 127 sprint("<null>"); 128 } 129 130 } else { 131 // Dont do recursion on things that are not 132 // of our header type... 133 if (f.get(this) != null) { 134 sprint(f.get(this).getClass().getName() + ":"); 135 } else { 136 sprint(fieldType.getName() + ":"); 137 } 138 139 sprint("{"); 140 if (f.get(this) != null) { 141 sprint(f.get(this).toString()); 142 } else { 143 sprint("<null>"); 144 } 145 sprint("}"); 146 } 147 } catch (IllegalAccessException ex1) { 148 continue; // we are accessing a private field... 149 } 150 } 151 sprint("}"); 152 return stringRepresentation; 153 } 154 155 156 protected MessageObject() { 157 super(); 158 } 159 160 /** 161 * Formatter with a given starting indentation (for nested structs). 162 */ 163 public String dbgPrint(int indent) { 164 int save = indentation; 165 indentation = indent; 166 String retval = this.toString(); 167 indentation = save; 168 return retval; 169 } 170 } 171