[CCSDK-28] populated the seed code for dgbuilder

updated the code to point to the new package name for sli

Change-Id: I3b5a1d05dc5193664fd4a667afdcd0b2354010a4
Issue-ID:{CCSDK-28}
Signed-off-by: Chinthakayala, Sheshashailavas (sc2914) <sc2914@att.com>
Signed-off-by: Chinthakayala, Sheshashailavas (sc2914) <sc2914@att.com>

1 files changed, 1424 insertions, 0 deletions

diff --git a/dgbuilder/tools/PrintYangToProp.java b/dgbuilder/tools/PrintYangToProp.java
new file mode 100644
index 00000000..93aaac79
--- /dev/null
+++ b/dgbuilder/tools/PrintYangToProp.java
@@ -0,0 +1,1424 @@
+
+import java.io.File;
+import java.io.FileInputStream;
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.PrintStream;
+import java.io.FileDescriptor;
+import java.lang.reflect.Constructor;
+import java.lang.reflect.InvocationTargetException;
+import java.lang.reflect.Method;
+import java.lang.reflect.Modifier;
+import java.lang.reflect.ParameterizedType;
+import java.lang.reflect.Type;
+import java.util.LinkedList;
+import java.util.List;
+import java.util.Properties;
+import java.util.Arrays;
+import java.util.ArrayList;
+import java.io.*;
+import javax.json.*;
+import org.opendaylight.yangtools.yang.binding.Identifier;
+import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev100924.IpAddress;
+import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev100924.IpAddressBuilder;
+import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev100924.Ipv4Address;
+import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev100924.Ipv6Address;
+
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import com.google.common.base.CaseFormat;
+
+public class PrintYangToProp {
+
+	private static final Logger LOG = LoggerFactory.getLogger(PrintYangToProp.class);
+	public static final String PROPERTIES_FILE="/opt/bvc/controller/configuration/flowred.properties";
+	private static Properties properties;
+	
+	static {
+
+		// Trick class loader into loading builders. Some of
+		// these will be needed later by Reflection classes, but need
+		// to explicitly "new" them here to get class loader to load them.
+/*
+		ServiceInformationBuilder b2 = new ServiceInformationBuilder();
+		ServiceDataBuilder b3 = new ServiceDataBuilder();
+		SdncRequestHeaderBuilder b4 = new SdncRequestHeaderBuilder();
+		RequestInformationBuilder b6 = new RequestInformationBuilder();
+
+                FlowredGroupInformationDataBuilder b29 = new FlowredGroupInformationDataBuilder();
+                FlowredInformationDataBuilder b48 = new FlowredInformationDataBuilder();
+
+		OperStatusBuilder b41 = new OperStatusBuilder();
+*/
+
+
+	}
+
+	public static void loadProperties() {
+		/*
+
+		File file = new File(PROPERTIES_FILE); 
+		properties = new Properties();
+		InputStream input = null;
+		if (file.isFile() && file.canRead()) {
+			try	{
+				input = new FileInputStream(file);
+				properties.load(input);
+				LOG.info("Loaded properties from " + PROPERTIES_FILE );
+			} catch (Exception e) {
+				LOG.error("Failed to load properties " + PROPERTIES_FILE +"\n",e);
+			} finally {
+				if (input != null) {
+					try {
+						input.close();
+					} catch (IOException e) {
+						LOG.error("Failed to close properties file " + PROPERTIES_FILE +"\n",e);
+					}
+				}
+			}
+		}
+		*/
+	}
+	
+	public static Properties toProperties(Properties props, Object fromObj) {
+		Class fromClass = null;
+		
+		if (fromObj != null)
+		{
+			fromClass = fromObj.getClass();
+		}
+		return (toProperties(props, "", fromObj, fromClass));
+	}
+	
+	public static Properties toProperties(Properties props, String pfx, Object fromObj)
+	{
+		Class fromClass = null;
+		
+		if (fromObj != null)
+		{
+			fromClass = fromObj.getClass();
+		}
+		
+		return(toProperties(props, pfx, fromObj, fromClass));
+	}
+
+	public static Properties toProperties(Properties props, String pfx,
+			Object fromObj, Class fromClass) {
+
+		if (fromObj == null) {
+			return (props);
+		}
+	
+		
+		String simpleName = fromClass.getSimpleName();
+
+		//LOG.debug("Extracting properties from " + fromClass.getName()
+		//		+ " class");
+		if (fromObj instanceof List) {
+
+			// Class is a List. List should contain yang-generated classes.
+			//LOG.debug(fromClass.getName() + " is a List");
+
+			List fromList = (List) fromObj;
+
+			for (int i = 0; i < fromList.size(); i++) {
+				toProperties(props, pfx + "[" + i + "]", fromList.get(i), fromClass);
+			}
+			props.setProperty(pfx + "_length", "" + fromList.size());
+
+		} else if (isYangGenerated(fromClass)) {
+			// Class is yang generated.
+			//LOG.debug(fromClass.getName() + " is a Yang-generated class");
+
+			String propNamePfx = null;
+
+			// If called from a list (so prefix ends in ']'), don't
+			// add class name again
+			if (pfx.endsWith("]")) {
+				propNamePfx = pfx;
+			} else {
+				if ((pfx != null) && (pfx.length() > 0)) {
+					propNamePfx = pfx ;
+				} else {
+					propNamePfx = toLowerHyphen(fromClass.getSimpleName());
+				}
+
+				if (propNamePfx.endsWith("-builder")) {
+					propNamePfx = propNamePfx.substring(0, propNamePfx.length()
+							- "-builder".length());
+				}
+
+				if (propNamePfx.endsWith("-impl")) {
+					propNamePfx = propNamePfx.substring(0, propNamePfx.length()
+							- "-impl".length());
+				}
+			}
+			
+			// Iterate through getter methods to figure out values we need to
+			// save from
+
+			for (Method m : fromClass.getMethods()) {
+				// LOG.debug("Checking " + m.getName() + " method");
+				if (isGetter(m)) {
+					// LOG.debug(m.getName() + " is a getter");
+					Class returnType = m.getReturnType();
+					String fieldName = toLowerHyphen(m.getName().substring(3));
+					if(m != null && m.getName().matches("^is[A-Z].*")){
+						fieldName = toLowerHyphen(m.getName().substring(2));
+					}
+
+					fieldName = fieldName.substring(0, 1).toLowerCase()
+							+ fieldName.substring(1);
+
+					// Is the return type a yang generated class?
+					if (isYangGenerated(returnType)) {
+						// Is it an enum?
+						if (returnType.isEnum()) {
+							// Return type is a typedef. Save its value.
+							try {
+								boolean isAccessible = m.isAccessible();
+								if (!isAccessible) {
+									m.setAccessible(true);
+								}
+
+								Object retValue = m.invoke(fromObj);
+
+								if (!isAccessible) {
+									m.setAccessible(isAccessible);
+								}
+								if (retValue != null) {
+									String propName = propNamePfx + "."
+											+ fieldName;
+									String propVal = retValue.toString();
+									String yangProp = "yang." + fieldName + "." + propVal;
+									if ( properties.containsKey(yangProp)) {
+										propVal = properties.getProperty(yangProp);
+										//LOG.debug("Adjusting property " + yangProp + " " + propVal);
+									}
+									//LOG.debug("Setting property " + propName
+									//		+ " to " + propVal);
+									props.setProperty(propName, propVal);
+								}
+							} catch (Exception e) {
+								LOG.error(
+										"Caught exception trying to convert Yang-generated enum returned by "
+												+ fromClass.getName() + "."
+												+ m.getName()
+												+ "() to Properties entry", e);
+							}
+						} else if (isIpv4Address(returnType)) {
+							// Save its value
+							try {
+								String propName = propNamePfx + "." + fieldName;
+								boolean isAccessible = m.isAccessible();
+								if (!isAccessible) {
+									m.setAccessible(true);
+								}
+								Ipv4Address retValue = (Ipv4Address) m.invoke(fromObj);
+								if (!isAccessible) {
+									m.setAccessible(isAccessible);
+								}
+
+								if (retValue != null) {
+									String propVal = retValue.getValue().toString();
+									//LOG.debug("Setting property " + propName
+									//		+ " to " + propVal);
+									props.setProperty(propName, propVal);
+
+								}
+							} catch (Exception e) {
+								LOG.error(
+										"Caught exception trying to convert value returned by "
+												+ fromClass.getName() + "."
+												+ m.getName()
+												+ "() to Properties entry", e);
+							}
+						} else if (isIpv6Address(returnType)) {
+							// Save its value
+							try {
+								String propName = propNamePfx + "." + fieldName;
+								boolean isAccessible = m.isAccessible();
+								if (!isAccessible) {
+									m.setAccessible(true);
+								}
+								Ipv6Address retValue = (Ipv6Address) m.invoke(fromObj);
+								if (!isAccessible) {
+									m.setAccessible(isAccessible);
+								}
+
+								if (retValue != null) {
+									String propVal = retValue.getValue().toString();
+									//LOG.debug("Setting property " + propName
+									//		+ " to " + propVal);
+									props.setProperty(propName, propVal);
+
+								}
+							} catch (Exception e) {
+								LOG.error(
+										"Caught exception trying to convert value returned by "
+												+ fromClass.getName() + "."
+												+ m.getName()
+												+ "() to Properties entry", e);
+							}
+						} else {
+							try {
+								boolean isAccessible = m.isAccessible();
+								if (!isAccessible) {
+									m.setAccessible(true);
+								}
+								Object retValue = m.invoke(fromObj);
+								if (!isAccessible) {
+									m.setAccessible(isAccessible);
+								}
+								if (retValue != null) {
+									toProperties(props, propNamePfx + "." + fieldName, retValue, returnType);
+								}
+							} catch (Exception e) {
+								LOG.error(
+										"Caught exception trying to convert Yang-generated class returned by"
+												+ fromClass.getName() + "."
+												+ m.getName()
+												+ "() to Properties entry", e);
+							}
+						}
+					} else if (returnType.equals(Class.class)) {
+
+						//LOG.debug(m.getName()
+						//		+ " returns a Class object - not interested");
+
+					} else if (List.class.isAssignableFrom(returnType)) {
+
+						// This getter method returns a list.
+						try {
+							boolean isAccessible = m.isAccessible();
+							if (!isAccessible) {
+								m.setAccessible(true);
+							}
+							Object retList = m.invoke(fromObj);
+							if (!isAccessible) {
+								m.setAccessible(isAccessible);
+							}
+							// Figure out what type of elements are stored in this array.
+							Type paramType = m.getGenericReturnType();
+							Type elementType = ((ParameterizedType) paramType)
+									.getActualTypeArguments()[0];
+							toProperties(props, propNamePfx + "." + fieldName,
+									retList, (Class)elementType);
+						} catch (Exception e) {
+							LOG.error(
+									"Caught exception trying to convert List returned by "
+											+ fromClass.getName() + "."
+											+ m.getName()
+											+ "() to Properties entry", e);
+						}
+
+					} else {
+
+						// Method returns something that is not a List and not
+						// yang-generated.
+						// Save its value
+						try {
+							String propName = propNamePfx + "." + fieldName;
+							boolean isAccessible = m.isAccessible();
+							if (!isAccessible) {
+								m.setAccessible(true);
+							}
+							Object propValObj = m.invoke(fromObj);
+							if (!isAccessible) {
+								m.setAccessible(isAccessible);
+							}
+
+							if (propValObj != null) {
+								String propVal = propValObj.toString();
+								//LOG.debug("Setting property " + propName
+								//		+ " to " + propVal);
+								props.setProperty(propName, propVal);
+
+							}
+						} catch (Exception e) {
+							LOG.error(
+									"Caught exception trying to convert value returned by "
+											+ fromClass.getName() + "."
+											+ m.getName()
+											+ "() to Properties entry", e);
+						}
+					}
+
+				}
+			}
+
+		} else {
+			// Class is not yang generated and not a list
+			// Do nothing.
+
+		}
+
+		return (props);
+	}
+
+	public static Object toBuilder(Properties props, Object toObj) {
+
+		return (toBuilder(props, "", toObj));
+	}
+
+	public static List toList(Properties props, String pfx, List toObj,
+			Class elemType) {
+
+		int maxIdx = -1;
+		boolean foundValue = false;
+
+		//LOG.debug("Saving properties to List<" + elemType.getName()
+		//		+ ">  from " + pfx);
+
+		// Figure out array size
+		for (Object pNameObj : props.keySet()) {
+			String key = (String) pNameObj;
+
+			if (key.startsWith(pfx + "[")) {
+				String idxStr = key.substring(pfx.length() + 1);
+				int endloc = idxStr.indexOf("]");
+				if (endloc != -1) {
+					idxStr = idxStr.substring(0, endloc);
+				}
+
+				try {
+					int curIdx = Integer.parseInt(idxStr);
+					if (curIdx > maxIdx) {
+						maxIdx = curIdx;
+					}
+				} catch (Exception e) {
+					LOG.error("Illegal subscript in property " + key);
+				}
+
+			}
+		}
+
+		//LOG.debug(pfx + " has max index of " + maxIdx);
+		for (int i = 0; i <= maxIdx; i++) {
+
+			String curBase = pfx + "[" + i + "]";
+
+			if (isYangGenerated(elemType)) {
+				String builderName = elemType.getName() + "Builder";
+				try {
+					Class builderClass = Class.forName(builderName);
+					Object builderObj = builderClass.newInstance();
+					Method buildMethod = builderClass.getMethod("build");
+					builderObj = toBuilder(props, curBase, builderObj, true);
+					if (builderObj != null) {
+						//LOG.debug("Calling " + builderObj.getClass().getName()
+						//		+ "." + buildMethod.getName() + "()");
+						Object builtObj = buildMethod.invoke(builderObj);
+						toObj.add(builtObj);
+						foundValue = true;
+					}
+
+				} catch (ClassNotFoundException e) {
+					LOG.warn("Could not find builder class " + builderName, e);
+				} catch (Exception e) {
+					LOG.error("Caught exception trying to populate list from "
+							+ pfx);
+				}
+			}
+
+		}
+
+		if (foundValue) {
+			return (toObj);
+		} else {
+			return (null);
+		}
+
+	}
+	
+	public static Object toBuilder(Properties props, String pfx, Object toObj) {
+		return(toBuilder(props, pfx, toObj, false));
+	}
+
+	public static Object toBuilder(Properties props, String pfx, Object toObj, boolean preservePfx) {
+		Class toClass = toObj.getClass();
+		boolean foundValue = false;
+
+		//LOG.debug("Saving properties to " + toClass.getName() + " class from "
+		//		+ pfx);
+
+		Ipv4Address addr;
+
+		if (isYangGenerated(toClass)) {
+			// Class is yang generated.
+			//LOG.debug(toClass.getName() + " is a Yang-generated class");
+
+			String propNamePfx = null;
+			if (preservePfx) {
+				propNamePfx = pfx;
+			} else {
+
+				if ((pfx != null) && (pfx.length() > 0)) {
+					propNamePfx = pfx + "."
+							+ toLowerHyphen(toClass.getSimpleName());
+				} else {
+					propNamePfx = toLowerHyphen(toClass.getSimpleName());
+				}
+
+				if (propNamePfx.endsWith("-builder")) {
+					propNamePfx = propNamePfx.substring(0, propNamePfx.length()
+							- "-builder".length());
+				}
+
+				if (propNamePfx.endsWith("-impl")) {
+					propNamePfx = propNamePfx.substring(0, propNamePfx.length()
+							- "-impl".length());
+				}
+			}
+
+			if (toObj instanceof Identifier) {
+				//LOG.debug(toClass.getName() + " is a Key - skipping");
+				return (toObj);
+			}
+
+			// Iterate through getter methods to figure out values we need to
+			// set
+
+			for (Method m : toClass.getMethods()) {
+				// LOG.debug("Is " + m.getName() + " method a setter?");
+				if (isSetter(m)) {
+					// LOG.debug(m.getName() + " is a setter");
+					Class paramTypes[] = m.getParameterTypes();
+					Class paramClass = paramTypes[0];
+
+					String fieldName = toLowerHyphen(m.getName().substring(3));
+					fieldName = fieldName.substring(0, 1).toLowerCase()
+							+ fieldName.substring(1);
+
+					String propName = propNamePfx + "." + fieldName;
+
+					String paramValue = props.getProperty(propName);
+					if (paramValue == null) {
+						//LOG.debug(propName + " is unset");
+					} else {
+						//LOG.debug(propName + " = " + paramValue);
+					}
+
+					// Is the return type a yang generated class?
+					if (isYangGenerated(paramClass)) {
+						// Is it an enum?
+						if (paramClass.isEnum()) {
+
+							//LOG.debug(m.getName() + " expects an Enum");
+							// Param type is a typedef.
+							if (paramValue != null) {
+								Object paramObj = null;
+
+								try {
+									paramObj = Enum.valueOf(paramClass,
+											toUpperCamelCase(paramValue));
+								} catch (Exception e) {
+									LOG.error(
+											"Caught exception trying to convert field "
+													+ propName + " to enum "
+													+ paramClass.getName(), e);
+								}
+
+								try {
+									boolean isAccessible = m.isAccessible();
+									if (!isAccessible) {
+										m.setAccessible(true);
+									}
+
+									//LOG.debug("Calling "
+									//		+ toObj.getClass().getName() + "."
+									//		+ m.getName() + "(" + paramValue
+									//		+ ")");
+									m.invoke(toObj, paramObj);
+
+									if (!isAccessible) {
+										m.setAccessible(isAccessible);
+									}
+									foundValue = true;
+
+								} catch (Exception e) {
+									LOG.error(
+											"Caught exception trying to create Yang-generated enum expected by"
+													+ toClass.getName()
+													+ "."
+													+ m.getName()
+													+ "() from Properties entry",
+											e);
+								}
+							}
+						} else {
+
+							String simpleName = paramClass.getSimpleName();
+
+							if ("Ipv4Address".equals(simpleName)
+									|| "Ipv6Address".equals(simpleName)) {
+								
+								if (paramValue != null) {
+									try {
+										IpAddress ipAddr = IpAddressBuilder
+												.getDefaultInstance(paramValue);
+
+
+										if ("Ipv4Address".equals(simpleName))
+										{
+											m.invoke(toObj, ipAddr.getIpv4Address());
+										}
+										else
+										{
+											m.invoke(toObj, ipAddr.getIpv6Address());
+
+										}
+										foundValue = true;
+									} catch (Exception e) {
+										LOG.error(
+												"Caught exception calling "
+														+ toClass.getName() + "."
+														+ m.getName() + "("
+														+ paramValue + ")", e);
+
+									}
+								}
+
+							} else {
+								// setter expects a yang-generated class. Need
+								// to
+								// create a builder to set it.
+
+								String builderName = paramClass.getName()
+										+ "Builder";
+								Class builderClass = null;
+								Object builderObj = null;
+								Object paramObj = null;
+
+								//LOG.debug(m.getName()
+								//		+ " expects a yang-generated class - looking for builder "
+								//		+ builderName);
+								try {
+									builderClass = Class.forName(builderName);
+									builderObj = builderClass.newInstance();
+									paramObj = toBuilder(props, propNamePfx,
+											builderObj);
+								} catch (ClassNotFoundException e) {
+									Object constObj = null;
+									try {
+										// See if I can find a constructor I can
+										// use
+										Constructor[] constructors = paramClass
+												.getConstructors();
+										// Is there a String constructor?
+										for (Constructor c : constructors) {
+											Class[] cParms = c
+													.getParameterTypes();
+											if ((cParms != null)
+													&& (cParms.length == 1)) {
+												if (String.class
+														.isAssignableFrom(cParms[0])) {
+													constObj = c
+															.newInstance(paramValue);
+												}
+											}
+										}
+
+										if (constObj == null) {
+											// Is there a Long constructor?
+											for (Constructor c : constructors) {
+												Class[] cParms = c
+														.getParameterTypes();
+												if ((cParms != null)
+														&& (cParms.length == 1)) {
+													if (Long.class
+															.isAssignableFrom(cParms[0])) {
+														constObj = c
+																.newInstance(Long
+																		.parseLong(paramValue));
+													}
+												}
+											}
+
+										}
+
+										if (constObj != null) {
+											try {
+												m.invoke(toObj, constObj);
+												foundValue = true;
+											} catch (Exception e2) {
+												LOG.error(
+														"Caught exception trying to call "
+																+ m.getName(),
+														e2);
+											}
+										}
+									} catch (Exception e1) {
+										LOG.warn(
+												"Could not find a suitable constructor for "
+														+ paramClass.getName(),
+												e1);
+									}
+
+									if (paramObj == null) {
+										LOG.warn("Could not find builder class "
+												+ builderName
+												+ " and could not find a String or Long constructor - trying just to set passing paramValue");
+
+									}
+
+								} catch (Exception e) {
+									LOG.error(
+											"Caught exception trying to create builder "
+													+ builderName, e);
+								}
+
+								if (paramObj != null) {
+
+									try {
+
+										Method buildMethod = builderClass
+												.getMethod("build");
+										//LOG.debug("Calling "
+										//		+ paramObj.getClass().getName()
+										//		+ "." + buildMethod.getName()
+										//		+ "()");
+										Object builtObj = buildMethod
+												.invoke(paramObj);
+
+										boolean isAccessible = m.isAccessible();
+										if (!isAccessible) {
+											m.setAccessible(true);
+										}
+
+										//LOG.debug("Calling "
+										//		+ toObj.getClass().getName()
+										//		+ "." + m.getName() + "()");
+										m.invoke(toObj, builtObj);
+										if (!isAccessible) {
+											m.setAccessible(isAccessible);
+										}
+										foundValue = true;
+
+									} catch (Exception e) {
+										LOG.error(
+												"Caught exception trying to set Yang-generated class expected by"
+														+ toClass.getName()
+														+ "."
+														+ m.getName()
+														+ "() from Properties entry",
+												e);
+									}
+								} else {
+									try {
+										boolean isAccessible = m.isAccessible();
+										if (!isAccessible) {
+											m.setAccessible(true);
+										}
+										//LOG.debug("Calling "
+										//		+ toObj.getClass().getName()
+										//		+ "." + m.getName() + "("
+										//		+ paramValue + ")");
+										m.invoke(toObj, paramValue);
+										if (!isAccessible) {
+											m.setAccessible(isAccessible);
+										}
+										foundValue = true;
+
+									} catch (Exception e) {
+										LOG.error(
+												"Caught exception trying to convert value returned by"
+														+ toClass.getName()
+														+ "."
+														+ m.getName()
+														+ "() to Properties entry",
+												e);
+									}
+								}
+							}
+						}
+					} else {
+
+						// Setter's argument is not a yang-generated class. See
+						// if it is a List.
+
+						if (List.class.isAssignableFrom(paramClass)) {
+
+							//LOG.debug("Parameter class " + paramClass.getName()
+							//		+ " is a List");
+
+							// Figure out what type of args are in List and pass
+							// that to toList().
+
+							Type paramType = m.getGenericParameterTypes()[0];
+							Type elementType = ((ParameterizedType) paramType)
+									.getActualTypeArguments()[0];
+							Object paramObj = new LinkedList();
+							try {
+								paramObj = toList(props, propName,
+										(List) paramObj, (Class) elementType);
+							} catch (Exception e) {
+								LOG.error("Caught exception trying to create list expected as argument to "
+										+ toClass.getName() + "." + m.getName());
+							}
+
+							if (paramObj != null) {
+								try {
+									boolean isAccessible = m.isAccessible();
+									if (!isAccessible) {
+										m.setAccessible(true);
+									}
+									//LOG.debug("Calling "
+									//		+ toObj.getClass().getName() + "."
+									//		+ m.getName() + "(" + paramValue
+									//		+ ")");
+									m.invoke(toObj, paramObj);
+									if (!isAccessible) {
+										m.setAccessible(isAccessible);
+									}
+									foundValue = true;
+
+								} catch (Exception e) {
+									LOG.error(
+											"Caught exception trying to convert List returned by"
+													+ toClass.getName() + "."
+													+ m.getName()
+													+ "() to Properties entry",
+											e);
+								}
+							}
+						} else {
+
+							// Setter expects something that is not a List and
+							// not yang-generated. Just pass the parameter value
+
+							//LOG.debug("Parameter class "
+							//		+ paramClass.getName()
+							//		+ " is not a yang-generated class or a List");
+
+							if (paramValue != null) {
+
+								Object constObj = null;
+
+								try {
+									// See if I can find a constructor I can use
+									Constructor[] constructors = paramClass
+											.getConstructors();
+									// Is there a String constructor?
+									for (Constructor c : constructors) {
+										Class[] cParms = c.getParameterTypes();
+										if ((cParms != null)
+												&& (cParms.length == 1)) {
+											if (String.class
+													.isAssignableFrom(cParms[0])) {
+												constObj = c
+														.newInstance(paramValue);
+											}
+										}
+									}
+
+									if (constObj == null) {
+										// Is there a Long constructor?
+										for (Constructor c : constructors) {
+											Class[] cParms = c
+													.getParameterTypes();
+											if ((cParms != null)
+													&& (cParms.length == 1)) {
+												if (Long.class
+														.isAssignableFrom(cParms[0])) {
+													constObj = c
+															.newInstance(Long
+																	.parseLong(paramValue));
+												}
+											}
+										}
+
+									}
+
+									if (constObj != null) {
+										try {
+											//LOG.debug("Calling "
+											//		+ toObj.getClass()
+											//				.getName() + "."
+											//		+ m.getName() + "("
+											//		+ constObj + ")");
+											m.invoke(toObj, constObj);
+											foundValue = true;
+										} catch (Exception e2) {
+											LOG.error(
+													"Caught exception trying to call "
+															+ m.getName(), e2);
+										}
+									} else {
+										try {
+											boolean isAccessible = m
+													.isAccessible();
+											if (!isAccessible) {
+												m.setAccessible(true);
+											}
+											//LOG.debug("Calling "
+											//		+ toObj.getClass()
+											//				.getName() + "."
+											//		+ m.getName() + "("
+											//		+ paramValue + ")");
+											m.invoke(toObj, paramValue);
+											if (!isAccessible) {
+												m.setAccessible(isAccessible);
+											}
+											foundValue = true;
+
+										} catch (Exception e) {
+											LOG.error(
+													"Caught exception trying to convert value returned by"
+															+ toClass.getName()
+															+ "."
+															+ m.getName()
+															+ "() to Properties entry",
+													e);
+										}
+									}
+								} catch (Exception e1) {
+									LOG.warn(
+											"Could not find a suitable constructor for "
+													+ paramClass.getName(), e1);
+								}
+
+								/*
+								 * try { boolean isAccessible =
+								 * m.isAccessible(); if (!isAccessible) {
+								 * m.setAccessible(true); } LOG.debug("Calling "
+								 * + toObj.getClass().getName() + "." +
+								 * m.getName() + "(" + paramValue + ")");
+								 * m.invoke(toObj, paramValue); if
+								 * (!isAccessible) {
+								 * m.setAccessible(isAccessible); } foundValue =
+								 * true;
+								 * 
+								 * } catch (Exception e) { LOG.error(
+								 * "Caught exception trying to convert value returned by"
+								 * + toClass.getName() + "." + m.getName() +
+								 * "() to Properties entry", e); }
+								 */
+							}
+						}
+					}
+				} // End of section handling "setter" method
+			} // End of loop through Methods
+		} // End of section handling yang-generated class
+
+		if (foundValue) {
+			return (toObj);
+		} else {
+			return (null);
+		}
+	}
+
+/*
+	public static void printPropertyList(PrintStream pstr, String pfx,
+			Class toClass) {
+		boolean foundValue = false;
+
+		//LOG.debug("Analyzing " + toClass.getName() + " class : pfx " + pfx);
+
+		if (isYangGenerated(toClass)
+				&& (!Identifier.class.isAssignableFrom(toClass))) {
+			// Class is yang generated.
+			//LOG.debug(toClass.getName() + " is a Yang-generated class");
+
+			if (toClass.getName().endsWith("Key")) {
+				if (Identifier.class.isAssignableFrom(toClass)) {
+					//LOG.debug(Identifier.class.getName()
+					//		+ " is assignable from " + toClass.getName());
+				} else {
+
+					//LOG.debug(Identifier.class.getName()
+					//		+ " is NOT assignable from " + toClass.getName());
+				}
+			}
+
+			String propNamePfx = null;
+			if (pfx.endsWith("]")) {
+				propNamePfx = pfx;
+			} else {
+
+				if ((pfx != null) && (pfx.length() > 0)) {
+					propNamePfx = pfx + "."
+							+ toLowerHyphen(toClass.getSimpleName());
+				} else {
+					propNamePfx = toLowerHyphen(toClass.getSimpleName());
+				}
+
+				if (propNamePfx.endsWith("-builder")) {
+					propNamePfx = propNamePfx.substring(0, propNamePfx.length()
+							- "-builder".length());
+				}
+
+				if (propNamePfx.endsWith("-impl")) {
+					propNamePfx = propNamePfx.substring(0, propNamePfx.length()
+							- "-impl".length());
+				}
+			}
+
+			// Iterate through getter methods to figure out values we need to
+			// set
+
+			for (Method m : toClass.getMethods()) {
+				//LOG.debug("Is " + m.getName() + " method a getter?");
+				if (isGetter(m)) {
+					//LOG.debug(m.getName() + " is a getter");
+					Class returnClass = m.getReturnType();
+
+					String fieldName = toLowerHyphen(m.getName().substring(3));
+					fieldName = fieldName.substring(0, 1).toLowerCase()
+							+ fieldName.substring(1);
+
+					String propName = propNamePfx + "." + fieldName;
+
+					// Is the return type a yang generated class?
+					if (isYangGenerated(returnClass)) {
+						// Is it an enum?
+						if (returnClass.isEnum()) {
+							//System.out.println(returnClass.getSimpleName());
+							//System.out.println(Arrays.asList(returnClass.getEnumConstants()));
+
+							//LOG.debug(m.getName() + " is an Enum");
+							pstr.print("\n" + propName + ":Enum:" + Arrays.asList(returnClass.getEnumConstants()) + "\n");
+
+						} else {
+							
+							String simpleName = returnClass.getSimpleName();
+							
+							if ("Ipv4Address".equals(simpleName) || "Ipv6Address".equals(simpleName)) {
+								//LOG.debug(m.getName()+" is an "+simpleName);
+								pstr.print("\n" + propName + ":" + simpleName + "\n");
+							} else {
+								printPropertyList(pstr, propNamePfx, returnClass);
+							}
+
+						}
+					} else {
+
+						// Setter's argument is not a yang-generated class. See
+						// if it is a List.
+
+						if (List.class.isAssignableFrom(returnClass)) {
+
+							//LOG.debug("Parameter class "
+									//+ returnClass.getName() + " is a List");
+
+							// Figure out what type of args are in List and pass
+							// that to toList().
+
+							Type returnType = m.getGenericReturnType();
+							Type elementType = ((ParameterizedType) returnType)
+									.getActualTypeArguments()[0];
+							Class elementClass = (Class) elementType;
+							//LOG.debug("Calling printPropertyList on list type ("
+									//+ elementClass.getName()
+									//+ "), pfx is ("
+								//	+ pfx
+								//	+ "), toClass is ("
+								//	+ toClass.getName() + ")");
+							printPropertyList(
+									pstr,
+									propNamePfx
+											+ "."
+											+ toLowerHyphen(elementClass
+													.getSimpleName()) + "[]",
+									elementClass);
+
+						} else if (!returnClass.equals(Class.class)) {
+
+							// Setter expects something that is not a List and
+							// not yang-generated. Just pass the parameter value
+
+							//LOG.debug("Parameter class "
+							//		+ returnClass.getName()
+							//		+ " is not a yang-generated class or a List");
+							String className=returnClass.getName();
+							
+							//"org.opendaylight.yangtools.yang.binding.Identifier" 
+							int nClassNameIndex = className.lastIndexOf('.');
+							String nClassName = className;
+							if(nClassNameIndex != -1){
+								nClassName=className.substring(nClassNameIndex+1);
+							}
+							pstr.print("\n" + propName +":" + nClassName +"\n");
+
+						}
+					}
+				} // End of section handling "setter" method
+			} // End of loop through Methods
+		} // End of section handling yang-generated class
+
+	}
+*/
+
+	public static Properties prop = new Properties();
+	public static ArrayList<String> propList = new ArrayList<String>();
+	public static Properties getProperties(PrintStream pstr, String pfx,
+			Class toClass) {
+		boolean foundValue = false;
+
+		//LOG.debug("Analyzing " + toClass.getName() + " class : pfx " + pfx);
+
+		if (isYangGenerated(toClass)
+				&& (!Identifier.class.isAssignableFrom(toClass))) {
+			// Class is yang generated.
+			//LOG.debug(toClass.getName() + " is a Yang-generated class");
+
+			if (toClass.getName().endsWith("Key")) {
+				if (Identifier.class.isAssignableFrom(toClass)) {
+					//LOG.debug(Identifier.class.getName()
+					//		+ " is assignable from " + toClass.getName());
+				} else {
+
+					//LOG.debug(Identifier.class.getName()
+					//		+ " is NOT assignable from " + toClass.getName());
+				}
+			}
+
+			String propNamePfx = null;
+			if (pfx.endsWith("]")) {
+				propNamePfx = pfx;
+			}else if(pfx.indexOf(".CLASS_FOUND") != -1){
+				pfx = pfx.replace(".CLASS_FOUND","");	
+				propNamePfx = pfx + "."
+					+ toLowerHyphen(toClass.getSimpleName());
+			} else {
+
+				if ((pfx != null) && (pfx.length() > 0)) {
+					propNamePfx = pfx + "."
+							+ toLowerHyphen(toClass.getSimpleName());
+				} else {
+					propNamePfx = toLowerHyphen(toClass.getSimpleName());
+				}
+
+				if (propNamePfx.endsWith("-builder")) {
+					propNamePfx = propNamePfx.substring(0, propNamePfx.length()
+							- "-builder".length());
+				}
+
+				if (propNamePfx.endsWith("-impl")) {
+					propNamePfx = propNamePfx.substring(0, propNamePfx.length()
+							- "-impl".length());
+				}
+			}
+
+			// Iterate through getter methods to figure out values we need to
+			// set
+
+			for (Method m : toClass.getMethods()) {
+				//LOG.debug("Is " + m.getName() + " method a getter?");
+				if (isGetter(m)) {
+				//	LOG.debug(m.getName() + " is a getter");
+					Class returnClass = m.getReturnType();
+
+					String fieldName = toLowerHyphen(m.getName().substring(3));
+					if(m != null && m.getName().matches("^is[A-Z].*")){
+						fieldName = toLowerHyphen(m.getName().substring(2));
+					}
+					fieldName = fieldName.substring(0, 1).toLowerCase()
+							+ fieldName.substring(1);
+
+					String propName = propNamePfx + "." + fieldName;
+					//System.out.println("****" + propName);
+
+					// Is the return type a yang generated class?
+					if (isYangGenerated(returnClass)) {
+						// Is it an enum?
+						if (returnClass.isEnum()) {
+
+							//LOG.debug(m.getName() + " is an Enum");
+							//pstr.print("\n" + propName);
+							//pstr.print("\n" + propName + ":Enum:" + Arrays.asList(returnClass.getEnumConstants()) + "\n");
+							pstr.print("\"" + propName + ":Enum:" + Arrays.asList(returnClass.getEnumConstants()) + "\",");
+							prop.setProperty(propName,"");
+							propList.add(propName);
+
+						} else {
+							
+							String simpleName = returnClass.getSimpleName();
+							//System.out.println("simpleName:" + simpleName);
+							
+							if ("Ipv4Address".equals(simpleName) || "Ipv6Address".equals(simpleName) || "IpAddress".equals(simpleName)) {
+								//LOG.debug(m.getName()+" is an "+simpleName);
+								//pstr.print("\n" + propName);
+								//pstr.print("\n" + propName + ":" + simpleName + "\n");
+								pstr.print("\"" + propName + ":" + simpleName + "\",");
+								prop.setProperty(propName,"");
+								propList.add(propName);
+							} else {
+								boolean isString = false;
+								boolean isNumber = false;
+								boolean isBoolean = false;
+								boolean isIdentifier = false;
+								//System.out.println("simpleName:" + simpleName);
+								//System.out.println("propName:" + propName);
+								for(Method mthd : returnClass.getMethods()){
+									String methodName = mthd.getName();
+									//System.out.println("methodName:" + methodName);
+									if(methodName.equals("getValue")){
+										Class retType = mthd.getReturnType();
+										//System.out.println("retType:" + retType);
+										isString = String.class.isAssignableFrom(retType);
+										isNumber = Number.class.isAssignableFrom(retType);
+										isBoolean = Boolean.class.isAssignableFrom(retType);
+										isIdentifier = Identifier.class.isAssignableFrom(retType);
+										//System.out.println("isString:" + isString);
+										//System.out.println("isNumber:" + isNumber);
+										//System.out.println("isNumber:" + isNumber);
+										break;
+									}
+								}
+
+								if(isString){
+									pstr.print("\"" + propName + ":String\",");
+									prop.setProperty(propName,"");
+									propList.add(propName);
+								}else if(isNumber){
+									pstr.print("\"" + propName + ":Number\",");
+									prop.setProperty(propName,"");
+									propList.add(propName);
+								}else if(isBoolean){
+									pstr.print("\"" + propName + ":Boolean\",");
+									prop.setProperty(propName,"");
+									propList.add(propName);
+								}else if(isIdentifier){
+									//System.out.println("isIdentifier");
+									//isIdentifer so skipping 
+									continue;
+								}else{
+								/*
+								System.out.println("fieldName:" + fieldName);
+								System.out.println("simpleName:" + simpleName);
+								System.out.println("returnClass:" + returnClass);
+								System.out.println("pstr:" + pstr);
+								System.out.println("propNamePfx:" + propNamePfx);
+								*/
+								getProperties(pstr, propNamePfx + ".CLASS_FOUND", returnClass);
+								}
+							}
+
+						}
+					} else {
+
+						// Setter's argument is not a yang-generated class. See
+						// if it is a List.
+
+						if (List.class.isAssignableFrom(returnClass)) {
+
+							//LOG.debug("Parameter class "
+							//		+ returnClass.getName() + " is a List");
+
+							// Figure out what type of args are in List and pass
+							// that to toList().
+
+							Type returnType = m.getGenericReturnType();
+							Type elementType = ((ParameterizedType) returnType)
+									.getActualTypeArguments()[0];
+							Class elementClass = (Class) elementType;
+							//LOG.debug("Calling printPropertyList on list type ("
+									//+ elementClass.getName()
+								//	+ "), pfx is ("
+								//	+ pfx
+								//	+ "), toClass is ("
+								//	+ toClass.getName() + ")");
+							//System.out.println("List propNamePfx:" + propNamePfx+ "." + toLowerHyphen(elementClass.getSimpleName()) + "[]");
+							if(String.class.isAssignableFrom(elementClass)){
+								pstr.print("\"" + propName + ":[String,String,...]\",");
+								prop.setProperty(propName,"");
+								propList.add(propName);
+							}else if(Number.class.isAssignableFrom(elementClass)){
+								pstr.print("\"" + propName + ":[Number,Number,...]\",");
+								prop.setProperty(propName,"");
+								propList.add(propName);
+							}else if(Boolean.class.isAssignableFrom(elementClass)){
+								pstr.print("\"" + propName + ":[Boolean,Boolean,...]\",");
+								prop.setProperty(propName,"");
+								propList.add(propName);
+							}else if(Identifier.class.isAssignableFrom(elementClass)){
+								continue;
+							}else{
+								getProperties(
+									pstr,
+									propNamePfx
+											+ "."
+											+ toLowerHyphen(elementClass
+													.getSimpleName()) + "[]",
+									elementClass);
+							}
+
+						} else if (!returnClass.equals(Class.class)) {
+
+							// Setter expects something that is not a List and
+							// not yang-generated. Just pass the parameter value
+
+							//LOG.debug("Parameter class "
+							//		+ returnClass.getName()
+							//		+ " is not a yang-generated class or a List");
+
+							//pstr.print("\n" + propName);
+							String className=returnClass.getName();
+							int nClassNameIndex = className.lastIndexOf('.');
+							String nClassName = className;
+							if(nClassNameIndex != -1){
+								nClassName=className.substring(nClassNameIndex+1);
+							}
+							boolean isString = String.class.isAssignableFrom(returnClass);
+							boolean isNumber = Number.class.isAssignableFrom(returnClass);
+							boolean isBoolean = Boolean.class.isAssignableFrom(returnClass);
+							//pstr.print("\n" + propName +":" + nClassName +"\n");
+							boolean isIdentifier = Identifier.class.isAssignableFrom(returnClass);
+							if(!isIdentifier && !nClassName.equals("[C")){
+								if(isNumber){
+									pstr.print("\"" + propName +":Number\",");
+								}else if(isBoolean){
+									pstr.print("\"" + propName +":Boolean\",");
+								}else{
+									if(nClassName.equals("[B")){
+										pstr.print("\"" + propName +":Binary\",");
+									}else{
+										pstr.print("\"" + propName +":" + nClassName +"\",");
+									}
+								}
+								prop.setProperty(propName,"");
+								propList.add(propName);
+							}
+
+						}
+					}
+				} // End of section handling "setter" method
+			} // End of loop through Methods
+		} // End of section handling yang-generated class
+
+		return prop;
+	}
+
+	public static boolean isYangGenerated(Class c) {
+		if (c == null) {
+			return (false);
+		} else {
+			//System.out.println(c.getName());
+			return (c.getName().startsWith("org.opendaylight.yang.gen."));
+		}
+	}
+	
+	public static boolean isIpv4Address(Class c) {
+		
+		if (c == null ) {
+			return (false);
+		}
+		String simpleName = c.getSimpleName();
+		return ("Ipv4Address".equals(simpleName)) ;
+	}
+	
+	public static boolean isIpv6Address(Class c) {
+		
+		if (c == null ) {
+			return (false);
+		} 
+		String simpleName = c.getSimpleName();
+		return ("Ipv6Address".equals(simpleName)) ;
+	}
+
+	public static String toLowerHyphen(String inStr) {
+		if (inStr == null) {
+			return (null);
+		}
+
+		String str = inStr.substring(0, 1).toLowerCase();
+		if (inStr.length() > 1) {
+			str = str + inStr.substring(1);
+		}
+
+		String regex = "(([a-z0-9])([A-Z]))";
+		String replacement = "$2-$3";
+
+		String retval = str.replaceAll(regex, replacement).toLowerCase();
+
+		//LOG.debug("Converting " + inStr + " => " + str + " => " + retval);
+		return (retval);
+	}
+
+	public static String toUpperCamelCase(String inStr) {
+		if (inStr == null) {
+			return (null);
+		}
+
+		String[] terms = inStr.split("-");
+		StringBuffer sbuff = new StringBuffer();
+		// Check if string begins with a digit
+		if (Character.isDigit(inStr.charAt(0))) {
+			sbuff.append('_');
+		}
+		for (String term : terms) {
+			sbuff.append(term.substring(0, 1).toUpperCase());
+			if (term.length() > 1) {
+				sbuff.append(term.substring(1));
+			}
+		}
+		return (sbuff.toString());
+
+	}
+
+	public static boolean isGetter(Method m) {
+		//System.out.println(m);
+		if (m == null) {
+			return (false);
+		}
+
+		if (Modifier.isPublic(m.getModifiers())
+				&& (m.getParameterTypes().length == 0)) {
+			if ((m.getName().matches("^is[A-Z].*") || m.getName().matches("^get[A-Z].*"))
+					&& m.getReturnType().equals(Boolean.class)) {
+				return (true);
+			}
+			if (m.getName().matches("^get[A-Z].*")
+					&& !m.getReturnType().equals(void.class)) {
+				return (true);
+			}
+
+		}
+
+		return (false);
+	}
+
+	public static boolean isSetter(Method m) {
+		if (m == null) {
+			return (false);
+		}
+
+		if (Modifier.isPublic(m.getModifiers())
+				&& (m.getParameterTypes().length == 1)) {
+			if (m.getName().matches("^set[A-Z].*")) {
+				Class[] paramTypes = m.getParameterTypes();
+				if (paramTypes[0].isAssignableFrom(Identifier.class)
+						|| Identifier.class.isAssignableFrom(paramTypes[0])) {
+					return (false);
+				} else {
+					return (true);
+				}
+			}
+
+		}
+
+		return (false);
+	}
+
+	public static void main(String[] args){
+		try{
+			PrintStream ps = new PrintStream(new FileOutputStream(FileDescriptor.out));
+			PrintYangToProp printYangToProp = new PrintYangToProp();
+			String className = args[0];
+			//ClassLoader classLoader = PrintYangToProp.class.getClassLoader();
+			//Class aClass = classLoader.loadClass(className);
+			Class cl = Class.forName(className);
+			//printPropertyList(ps,"",cl);
+			//JsonObject jsonObj = Json.createObjectBuilder().build();
+			Properties p = getProperties(ps,"",cl);	
+			//System.out.println(p);
+
+		}catch(Exception e){
+			e.printStackTrace();
+		}
+	}
+
+
+}