/* * Conditions Of Use * * This software was developed by employees of the National Institute of * Standards and Technology (NIST), an agency of the Federal Government. * Pursuant to title 15 Untied States Code Section 105, works of NIST * employees are not subject to copyright protection in the United States * and are considered to be in the public domain. As a result, a formal * license is not needed to use the software. * * This software is provided by NIST as a service and is expressly * provided "AS IS." NIST MAKES NO WARRANTY OF ANY KIND, EXPRESS, IMPLIED * OR STATUTORY, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTY OF * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, NON-INFRINGEMENT * AND DATA ACCURACY. NIST does not warrant or make any representations * regarding the use of the software or the results thereof, including but * not limited to the correctness, accuracy, reliability or usefulness of * the software. * * Permission to use this software is contingent upon your acceptance * of the terms of this agreement * * . * */ /******************************************************************************* * Product of NIST/ITL Advanced Networking Technologies Division (ANTD) * ******************************************************************************/ package gov.nist.javax.sip.message; import gov.nist.core.*; import java.lang.reflect.*; /** * This is the root object from which all other objects in this package * are derived. This class is never directly instantiated (and hence it * is abstract). * * @version 1.2 $Revision: 1.7 $ $Date: 2009-07-17 18:57:54 $ * @since 1.1 * * @author M. Ranganathan <br/> * * */ public abstract class MessageObject extends GenericObject { public abstract String encode(); public void dbgPrint() { super.dbgPrint(); } /** * An introspection based string formatting method. We need this because * in this package (although it is an exact duplicate of the one in * the superclass) because it needs to access the protected members * of the other objects in this class. */ public String debugDump() { stringRepresentation = ""; Class<?> myclass = getClass(); sprint(myclass.getName()); sprint("{"); Field[] fields = myclass.getDeclaredFields(); for (int i = 0; i < fields.length; i++) { Field f = fields[i]; // Only print protected and public members. int modifier = f.getModifiers(); if (modifier == Modifier.PRIVATE) continue; Class<?> fieldType = f.getType(); String fieldName = f.getName(); if (fieldName.compareTo("stringRepresentation") == 0) { // avoid nasty recursions... continue; } if (fieldName.compareTo("indentation") == 0) { // formatting stuff - not relevant here. continue; } sprint(fieldName + ":"); try { // Primitive fields are printed with type: value if (fieldType.isPrimitive()) { String fname = fieldType.toString(); sprint(fname + ":"); if (fname.compareTo("int") == 0) { int intfield = f.getInt(this); sprint(intfield); } else if (fname.compareTo("short") == 0) { short shortField = f.getShort(this); sprint(shortField); } else if (fname.compareTo("char") == 0) { char charField = f.getChar(this); sprint(charField); } else if (fname.compareTo("long") == 0) { long longField = f.getLong(this); sprint(longField); } else if (fname.compareTo("boolean") == 0) { boolean booleanField = f.getBoolean(this); sprint(booleanField); } else if (fname.compareTo("double") == 0) { double doubleField = f.getDouble(this); sprint(doubleField); } else if (fname.compareTo("float") == 0) { float floatField = f.getFloat(this); sprint(floatField); } } else if ( GenericObject.class.isAssignableFrom( fieldType)) { if (f.get(this) != null) { sprint( ((GenericObject) f.get(this)).debugDump( this.indentation + 1)); } else { sprint("<null>"); } } else if (GenericObjectList.class.isAssignableFrom( fieldType)) { if (f.get(this) != null) { sprint( ((GenericObjectList) f.get(this)).debugDump( indentation + 1)); } else { sprint("<null>"); } } else { // Dont do recursion on things that are not // of our header type... if (f.get(this) != null) { sprint(f.get(this).getClass().getName() + ":"); } else { sprint(fieldType.getName() + ":"); } sprint("{"); if (f.get(this) != null) { sprint(f.get(this).toString()); } else { sprint("<null>"); } sprint("}"); } } catch (IllegalAccessException ex1) { continue; // we are accessing a private field... } } sprint("}"); return stringRepresentation; } protected MessageObject() { super(); } /** * Formatter with a given starting indentation (for nested structs). */ public String dbgPrint(int indent) { int save = indentation; indentation = indent; String retval = this.toString(); indentation = save; return retval; } }