[英]Can't parse File and Handler in SAXParser
我將XML文件和處理程序傳遞給SAXParser,但出現此錯誤:
解析方法的屬性定義為(File,DefaultHandler)完全匹配,因此我不確定我要去哪里。 這是完整的方法:
public String readXML (File readFile) throws Exception {
SAXParserFactory saxFactory = SAXParserFactory.newInstance();
SAXParser saxParser = saxFactory.newSAXParser();
final String outputString = "";
DefaultHandler handler = new DefaultHandler() {
boolean bArtist = false;
boolean bAlbumName = false;
boolean bYear = false;
boolean bGenre = false;
public void startElement(String uri, String localName, String qName, Attributes attr)
throws SAXException {
if (qName.equalsIgnoreCase("ARTIST")) { bArtist = true; }
if (qName.equalsIgnoreCase("ALBUMNAME")) { bAlbumName = true; }
if (qName.equalsIgnoreCase("YEAR")) { bYear = true; }
if (qName.equalsIgnoreCase("GENRE")) { bGenre = true; }
}
public void characters(char ch[], int start, int length) {
if (bArtist) {
outputString.concat("Artist: " + new String(ch,start,length) + "\n");
}
if(bAlbumName) {
outputString.concat("Album: " + new String(ch,start,length) + "\n");
}
if(bYear) {
outputString.concat("Year: " + new String(ch,start,length) + "\n");
}
if(bGenre) {
outputString.concat("Genre: " + new String(ch,start,length) + "\n");
}
outputString.concat("\n");
}
};
saxParser.parse(readFile,handler);
return outputString;
}
它應該是org.xml.sax.helpers.DefaultHandler
而不是jdk.internal...
所以
import org.xml.sax.helpers.DefaultHandler;
您可能還應該定義擴展DefaultHandler的類,而不只是內聯它。
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