XML Handle by javax.xml.stream.*

Bertha 。 2022-08-12 10:30 110阅读 0赞

XmlHandle.java:

package shuai.study.xml;
    
    import java.io.BufferedInputStream;
    import java.io.FileInputStream;
    import java.io.FileNotFoundException;
    import java.io.InputStream;
    
    import javax.xml.stream.XMLInputFactory;
    import javax.xml.stream.XMLStreamException;
    import javax.xml.stream.XMLStreamReader;
    
    /**
     * @ClassName: ReadXml
     * @Description: TODO
     * @author Zhou Shengshuai
     * @date 2014年9月23日 下午5:09:38
     * 
     */
    public class XmlHandle {
    
    	public static void readXml(String filePath) {
    		XMLInputFactory xmlInputFactory = XMLInputFactory.newInstance();
    		XMLStreamReader xmlStreamReader = null;
    
    		try {
    			InputStream fileInputStream = new FileInputStream(filePath);
    			xmlStreamReader = xmlInputFactory.createXMLStreamReader(new BufferedInputStream(fileInputStream, 65536));
    
    			readXml(xmlStreamReader);
    		} catch (FileNotFoundException e) {
    			e.printStackTrace();
    		} catch (XMLStreamException e) {
    			e.printStackTrace();
    		} finally {
    			if (xmlStreamReader != null) {
    				try {
    					xmlStreamReader.close();
    				} catch (XMLStreamException e) {
    					e.printStackTrace();
    				}
    			}
    		}
    	}
    
    	public static void readXml(XMLStreamReader xmlStreamReader) {
    		try {
    			while (xmlStreamReader.hasNext()) {
    				int outType = xmlStreamReader.next();
    
    				if (outType == XMLStreamReader.START_ELEMENT && "Rule".equals(xmlStreamReader.getLocalName())) {
    					System.out.println("---------------------------------------Rule Start---------------------------------------");
    
    					while (xmlStreamReader.hasNext()) {
    						int inType = xmlStreamReader.next();
    
    						if (inType == XMLStreamReader.START_ELEMENT) {
    							String elementText = xmlStreamReader.getElementText();
    
    							if ("SourceObjectClass".equals(xmlStreamReader.getLocalName())) {
    								System.out.println("Source Object Class: " + elementText);
    							}
    
    							if ("DestObjectClass".equals(xmlStreamReader.getLocalName())) {
    								System.out.println("Destination Object Class: " + elementText);
    							}
    
    							if ("ManageObjectClass".equals(xmlStreamReader.getLocalName())) {
    								System.out.println("Manage Object Class: " + elementText);
    							}
    
    							if ("SourceObjectDN".equals(xmlStreamReader.getLocalName())) {
    								System.out.println("Source Object DN: " + elementText);
    							}
    
    							if ("DestObjectDN".equals(xmlStreamReader.getLocalName())) {
    								System.out.println("Destination Object DN: " + elementText);
    							}
    						}
    
    						if (inType == XMLStreamReader.END_ELEMENT && "Rule".equals(xmlStreamReader.getLocalName())) {
    							System.out.println("---------------------------------------Rule End---------------------------------------");
    							break;
    						}
    					}
    				}
    
    				if (outType == XMLStreamReader.END_ELEMENT && "Mapping".equals(xmlStreamReader.getLocalName())) {
    					break;
    				}
    			}
    		} catch (XMLStreamException e) {
    			e.printStackTrace();
    		}
    	}
    
    	/**
    	 * @Title: main
    	 * @Description: TODO
    	 * @param args
    	 * @throws
    	 */
    	public static void main(String[] args) {
    		XmlHandle.readXml("conf/dnMapping.xml");
    	}
    }

dnMapping.xml:

<?xml version="1.0" encoding="UTF-8"?>
    <Mapping>
    	<Rule name="Rule00">
    		<SourceObjectClass>FING</SourceObjectClass>
    		<DestObjectClass>GgsnFunction</DestObjectClass>
    		<ManageObjectClass>3529</ManageObjectClass>
    		<SourceObjectDN>PLMN-PLMN/FING-1</SourceObjectDN>
    		<DestObjectDN>SubNetwork=XXXXX-1,ManagedElement=FING-1,GgsnFunction=FING-1</DestObjectDN>
    	</Rule>
    	<Rule name="Rule01">
    		<SourceObjectClass>FPIFC</SourceObjectClass>
    		<DestObjectClass>EthernetPort</DestObjectClass>
    		<ManageObjectClass>3529</ManageObjectClass>
    		<SourceObjectDN>PLMN-PLMN/FING-1/FPNODE-1/FPIFC-1</SourceObjectDN>
    		<DestObjectDN>SubNetwork=XXXXX-1,ManagedElement=FING-1,EthernetPort=FPNODE-1/FPIFC-1</DestObjectDN>
    	</Rule>
    	<Rule name="Rule10">
    		<SourceObjectClass>FING</SourceObjectClass>
    		<DestObjectClass>EpRpDynS5S8Sgw</DestObjectClass>
    		<ManageObjectClass>3529</ManageObjectClass>
    		<SourceObjectDN>PLMN-PLMN/FING-1</SourceObjectDN>
    		<DestObjectDN>SubNetwork=XXXXX-1,ManagedElement=FING-1,ServingGwFunction=FING-1,EpRpDynS5S8Sgw=S5S8-1</DestObjectDN>
    	</Rule>
    </Mapping>