prepostclient.java

目前在JAVA下编程时对XML的操作很重要

import org.apache.xmlbeans.*;
import com.localInfo.*;
import com.weather.*;
import java.io.File;

// Illustrates XMLBeans client application modifying Map, and zipcode of a location.

public class prePostClient {

	public static void main(String args[]) {

		try {

				if (args.length < 1 ) {

					System.out.println("Usage : java prePostClient <<InputFilePath>>");
					return;

				}

				String filePath = args[0];
				java.io.File inputXMLFile = new java.io.File(filePath);

	// Use XMLBeans built in class XmlObject to parse an XML document.

				XmlObject xmlObjExpected = XmlObject.Factory.parse(inputXMLFile);


	// Check document type of the object returned by the call to XmlObject.Factory.parse() method.
	// If type of object returned is of com.localInfo.LocalInfoDocumentXmlBean, then input xml document conforms to
	// localInfo.xsd .

				if (xmlObjExpected instanceof com.localInfo.LocalInfoDocumentXmlBean) {

					com.localInfo.LocalInfoDocumentXmlBean localInfoDoc = (com.localInfo.LocalInfoDocumentXmlBean)xmlObjExpected;
					LocalInfoDocumentXmlBean.LocalInfo localInfoObject = localInfoDoc.getLocalInfo();
					LocalWeatherDocumentXmlBean.LocalWeather localWeatherObject = localInfoObject.getLocalWeather();
					ImageTypeXmlBean mapObject = localWeatherObject.getMapXmlBean();

// Get the size of old map

					byte[] byteArray = mapObject.byteArrayValue();
					int lengthOfOriginalMap = byteArray.length;

// Create an empty map, and then set it in localWeather object.

					ImageTypeXmlBean newMapObject = localWeatherObject.addNewMapXmlBean();
					localWeatherObject.setMapXmlBean(newMapObject);

// Get the size of new map

					byte[] newByteArray = mapObject.byteArrayValue();
					int lengthOfNewMap = newByteArray.length;


					System.out.println
					("Size of Original Map was " +lengthOfOriginalMap + " bytes.\nSize of new Map is " + lengthOfNewMap  + " bytes.\n\n");

// Modify zipcode of localWeather object.

					System.out.println(" Old Zipcode was : " + localWeatherObject.getZipcode() );
					localWeatherObject.setZipcode("38920");
					System.out.println(" New Zipcode is  : " + localWeatherObject.getZipcode() );

				} else {
					System.out.println("Input xml document doesn't" +
					"conform to localInfo.xsd");
				}


			} catch (Exception e) {


				e.printStackTrace();
			}

	}

}