Helper.java

package ca.etsmtl.applets.etsmobile.http.soap;

//----------------------------------------------------
//
// Generated by www.easywsdl.com
// Version: 2.0.0.4
//
// Created by Quasar Development at 15-01-2014
//
//---------------------------------------------------

import java.util.Hashtable;
import java.util.UUID;

import org.joda.time.DateTime;
import org.joda.time.DateTimeZone;
import org.joda.time.chrono.ISOChronology;
import org.joda.time.format.DateTimeFormatter;
import org.joda.time.format.DateTimeFormatterBuilder;
import org.joda.time.format.DateTimeParser;
import org.joda.time.format.ISODateTimeFormat;
import org.ksoap2.serialization.AttributeContainer;
import org.ksoap2.serialization.AttributeInfo;
import org.ksoap2.serialization.KvmSerializable;
import org.ksoap2.serialization.PropertyInfo;
import org.ksoap2.serialization.SoapObject;
import org.ksoap2.serialization.SoapPrimitive;
import org.ksoap2.serialization.SoapSerializationEnvelope;
import org.kxml2.kdom.Element;
import org.kxml2.kdom.Node;

public class Helper {
	public static <T, E> T getKeyByValue(java.util.Map<T, E> map, E value) {
		for (java.util.Map.Entry<T, E> entry : map.entrySet()) {
			if (value.equals(entry.getValue())) {
				return entry.getKey();
			}
		}
		return null;
	}

	public static Object getAttribute(AttributeContainer obj, String name, String namespace) {
		for (int i = 0; i < obj.getAttributeCount(); i++) {
			AttributeInfo info = new AttributeInfo();
			obj.getAttributeInfo(i, info);
			if (info.name.equals(name) && info.namespace.equals(namespace)) {
				return info.getValue();
			}
		}
		return null;
	}

	public static Element convertToHeader(Object obj, String namespace, String name) {
		Element parentElement = new org.kxml2.kdom.Element().createElement(namespace, name);
		if (obj == null) {
			return parentElement;
		}
		if (obj instanceof KvmSerializable) {
			KvmSerializable soapObject = (KvmSerializable) obj;
			for (int i = 0; i < soapObject.getPropertyCount(); i++) {
				PropertyInfo info = new PropertyInfo();
				soapObject.getPropertyInfo(i, new Hashtable(), info);
				info.setValue(soapObject.getProperty(i));
				Element el1 = convertToHeader(info.getValue(), info.getNamespace(), info.getName());
				parentElement.addChild(Node.ELEMENT, el1);
			}
		} else {
			String value = obj.toString();
			parentElement.addChild(org.kxml2.kdom.Node.TEXT, value);
		}
		return parentElement;
	}

	public static Element findOutHeader(String name, SoapSerializationEnvelope envelope) {
		if (envelope.headerIn == null) {
			return null;
		}
		for (int i = 0; i < envelope.headerIn.length; i++) {
			Element elem = envelope.headerIn[i];
			if (elem.getName().equals(name) && elem.getChildCount() > 0)
				return elem;
		}
		return null;
	}

	public static Object convertToSoapObject(Element element) {
		if (element.getChildCount() == 0 || (element.getChildCount() == 1 && !(element.getChild(0) instanceof Element))) {
			SoapPrimitive primitive = new SoapPrimitive(element.getNamespace(), element.getName(),
					element.getChildCount() == 1 ? element.getText(0) : null);
			return primitive;
		} else {
			SoapObject obj = new SoapObject(element.getNamespace(), element.getName());
			for (int i = 0; i < element.getChildCount(); i++) {
				Element childElement = element.getElement(i);
				Object childObject = convertToSoapObject(childElement);
				if (childObject instanceof SoapObject) {
					SoapObject soapObj = (SoapObject) childObject;
					obj.addProperty(soapObj.getName(), childObject);
				} else {
					SoapPrimitive primitive = (SoapPrimitive) childObject;
					obj.addProperty(primitive.getName(), primitive);
				}
			}
			return obj;
		}
	}

	private static DateTimeParser offsetElement() {
		return new DateTimeFormatterBuilder().appendTimeZoneOffset("Z", true, 2, 4).toParser();
	}

	private static DateTimeParser fractionElement() {
		return new DateTimeFormatterBuilder().appendLiteral('.').appendFractionOfSecond(3, 9).toParser();
	}

	public static DateTime ConvertFromWebService(String strDate) {
		DateTimeFormatter parser1 = new DateTimeFormatterBuilder().append(ISODateTimeFormat.date()).appendLiteral('T')
				.append(ISODateTimeFormat.hourMinuteSecond()).appendOptional(fractionElement())
				.appendOptional(offsetElement()).toFormatter().withZone(DateTimeZone.UTC);
		parser1.withChronology(ISOChronology.getInstanceUTC());
		return parser1.parseDateTime(strDate);
	}

	public static boolean isEmpty(CharSequence str) {
		if (str == null || str.length() == 0)
			return true;
		else
			return false;
	}

	public static UUID emptyGuid() {
		return new UUID(0, 0);
	}
}