Java tutorial
/* * Created on Dec 10, 2003 * * To change the template for this generated file go to * Window - Preferences - Java - Code Generation - Code and Comments */ package com.spun.util.ups; import java.io.IOException; import java.io.InputStream; import java.util.ArrayList; import javax.xml.parsers.DocumentBuilderFactory; import javax.xml.parsers.FactoryConfigurationError; import javax.xml.parsers.ParserConfigurationException; import org.apache.commons.httpclient.HttpClient; import org.apache.commons.httpclient.HttpException; import org.apache.commons.httpclient.methods.PostMethod; import org.apache.velocity.context.Context; import org.w3c.dom.Document; import org.w3c.dom.Node; import org.w3c.dom.NodeList; import org.xml.sax.SAXException; import com.spun.util.MySystem; import com.spun.util.NumberUtils; import com.spun.util.parser.MassAmount; import com.spun.util.velocity.ContextAware; import com.spun.util.velocity.VelocityParser; /** * @author Llewellyn Falco * * To change the template for this generated type comment go to * Window - Preferences - Java - Code Generation - Code and Comments **/ public class UPSUtils { static final String UPS_URL = "https://wwwcie.ups.com/ups.app/xml/Rate"; private static String HEADER = "<?xml version=\"1.0\"?><AccessRequest xml:lang=\"en-US\"><AccessLicenseNumber>$config.getAccessLicenseNumber()</AccessLicenseNumber><UserId>$config.getUserId()</UserId><Password>$config.getPassword()</Password></AccessRequest>"; private static String REQUEST = "<?xml version=\"1.0\"?><RatingServiceSelectionRequest xml:lang=\"en-US\"><Request><TransactionReference><CustomerContext>Rating and Service</CustomerContext><XpciVersion>1.0001</XpciVersion></TransactionReference><RequestAction>Rate</RequestAction><RequestOption>shop</RequestOption></Request><PickupType><Code>01</Code></PickupType><Shipment><Shipper><Address><PostalCode>$shipment.getMainPackage().getOriginatingZipCode()</PostalCode></Address></Shipper><ShipTo><Address><PostalCode>$shipment.getMainPackage().getToZipCode()</PostalCode><CountryCode>$shipment.getMainPackage().getToCountryCode()</CountryCode>#if ($shipment.getMainPackage().isResidential())<ResidentialAddressIndicator/>#end</Address></ShipTo><Service><Code>11</Code></Service>#foreach ($package in $shipment.getPackages())<Package><PackagingType><Code>02</Code><Description>Package</Description></PackagingType><Description>Rate Shopping</Description><PackageWeight><Weight>$package.getPackageWeightInPounds()</Weight></PackageWeight>#if ($package.getPackageLength() != 0)<Dimensions><UnitOfMeasurement><Code>IN</Code></UnitOfMeasurement><Length>$package.getPackageLength()</Length><Width>$package.getPackageWidth()</Width><Height>$package.getPackageHeight()</Height></Dimensions>#end</Package>#end<ShipmentServiceOptions/></Shipment></RatingServiceSelectionRequest>"; private static UPSQuoteRetriever quoteRetriever = new UPSQuoteRetriever(); /***********************************************************************/ public static void setUPSQuoteRetriever(UPSQuoteRetriever quoteRetriever) { UPSUtils.quoteRetriever = quoteRetriever; } /***********************************************************************/ public static UPSQuote[] getQuote(UPSConfig config, UPSPackage package1) throws SAXException, IOException, ParserConfigurationException, FactoryConfigurationError { return getQuote(config, new UPSPackage[] { package1 }); } /***********************************************************************/ public static UPSQuote[] getQuote(UPSConfig config, UPSPackage packages[]) throws SAXException, ParserConfigurationException, FactoryConfigurationError, HttpException, IOException { packages = createAcceptablePackages(packages); String reqbody = constructRequestBody(config, packages); return getQuote(config, reqbody); } /***********************************************************************/ public static UPSQuote[] getQuote(UPSConfig config, String reqbody) throws SAXException, ParserConfigurationException, FactoryConfigurationError, HttpException, IOException { HttpClient client = new HttpClient(); PostMethod post = new PostMethod(UPS_URL); post.setRequestBody(reqbody); InputStream response = quoteRetriever.getResponse(client, post); UPSQuote[] quotes = extractQuotes(response); return quotes; } /***********************************************************************/ private static UPSPackage[] createAcceptablePackages(UPSPackage[] packages) { ArrayList<UPSPackage> list = new ArrayList<UPSPackage>(); for (int i = 0; i < packages.length; i++) { UPSPackage pack = packages[i]; if (pack.getPackageWeightInPounds() < 1) { pack = new UPSPackage(pack.getOriginatingZipCode(), pack.getToZipCode(), pack.getToCountryCode(), 1, MassAmount.POUNDS, pack.getPackageLength(), pack.getPackageWidth(), pack.getPackageHeight(), pack.isResidential()); } if (pack.getPackageWeightInPounds() > 150) { double weight = pack.getPackageWeightInPounds(); while (weight > 150) { UPSPackage newPack = new UPSPackage(pack.getOriginatingZipCode(), pack.getToZipCode(), pack.getToCountryCode(), 150, MassAmount.POUNDS, pack.getPackageLength(), pack.getPackageWidth(), pack.getPackageHeight(), pack.isResidential()); list.add(newPack); weight -= 150; } pack = new UPSPackage(pack.getOriginatingZipCode(), pack.getToZipCode(), pack.getToCountryCode(), weight, MassAmount.POUNDS, pack.getPackageLength(), pack.getPackageWidth(), pack.getPackageHeight(), pack.isResidential()); } list.add(pack); } return UPSPackage.toArray(list); } /***********************************************************************/ private static UPSQuote[] extractQuotes(InputStream response) throws SAXException, IOException, ParserConfigurationException, FactoryConfigurationError { Document document = DocumentBuilderFactory.newInstance().newDocumentBuilder().parse(response); ArrayList<UPSQuote> quotes = new ArrayList<UPSQuote>(); NodeList list = document.getDocumentElement().getElementsByTagName("RatedShipment"); for (int i = 0; i < list.getLength(); i++) { quotes.add(extractQuote(list.item(i))); } if (quotes.size() == 0) { MySystem.warning("Couldn't find quote in response " + getDocument(document)); } return UPSQuote.toArray(quotes); } /***********************************************************************/ private static Node getDocument(Document document) { return document != null ? document.getChildNodes().item(0) : null; } /***********************************************************************/ private static UPSQuote extractQuote(Node node) { String service; double cost = 0.0; Node serviceNode = getNodeByName(node, "Service"); Node code = getNodeByName(serviceNode, "Code"); service = code.getFirstChild().getNodeValue(); Node totalCharges = getNodeByName(node, "TotalCharges"); Node monetaryValue = getNodeByName(totalCharges, "MonetaryValue"); cost = NumberUtils.load(monetaryValue.getFirstChild().getNodeValue(), 0.0); return new UPSQuote(UPSServiceType.getForCode(service), cost); } /***********************************************************************/ private static Node getNodeByName(Node node, String childNode) { NodeList list = node.getChildNodes(); for (int i = 0; i < list.getLength(); i++) { if (list.item(i).getNodeName().equals(childNode)) { return list.item(i); } } return null; } /***********************************************************************/ private static String constructRequestBody(UPSConfig config, UPSPackage packages[]) { UPSRequest req = new UPSRequest(config, packages); String header = VelocityParser.parseString(HEADER, req); String main = VelocityParser.parseString(REQUEST, req); return header + main; } /***********************************************************************/ public static void main(String[] args) { MySystem.variable(HEADER); MySystem.variable(REQUEST); } /***********************************************************************/ public static class UPSRequest implements ContextAware { private UPSConfig config; private UPSShipment shipment; public UPSRequest(UPSConfig config, UPSPackage packages[]) { this.config = config; this.shipment = new UPSShipment(packages); } public void setupContext(Context context) { context.put("config", config); context.put("shipment", shipment); } } }