如何使用java反转XML请求

如何使用 ReversedLinesFileReader和DOM

                import org.apache.commons.io.input.ReversedLinesFileReader;
                import org.w3c.dom.Node;
                import org.w3c.dom.bootstrap.DOMImplementationRegistry;
                import org.w3c.dom.ls.DOMImplementationLS;
                import org.w3c.dom.ls.LSOutput;
                import org.w3c.dom.ls.LSSerializer;
                import org.xml.sax.InputSource;
                import org.xml.sax.SAXException;
                import java.io.*;
                import java.nio.file.Files;
                import java.nio.file.Path;
                import java.nio.file.Paths;
                import java.nio.file.StandardOpenOption;
                import javax.xml.transform.*;
                import javax.xml.parsers.*;


                public class ReverseXMLTags {

                    public static void main(String[] args) throws ParserConfigurationException,IOException,SAXException,TransformerException{
                        String ch;
                        String destinationPath=args[1]; // args[1]- path of the file where we want to write the content of the formatted xml tags
                        String tempPath="C://temp.xml"; // We will write to a temp file and delete it later
                    try(ReversedLinesFileReader fr = new ReversedLinesFileReader(new File(args[0]));)
                    {
                             Path path = Paths.get(tempPath);
                             Files.deleteIfExists(path);
                             Files.createFile(path);
                        do {
                            ch = fr.readLine();         
                            Files.write(path, ch.getBytes(),StandardOpenOption.APPEND); //StandardOpenOption.APPEND - it will append the content in temp file

                        } while (ch != null);

                    }
                        catch(Exception e)
                        {
                            formatXML(tempPath,destinationPath);
                        }

                    }

                    public static void formatXML(String path,String destinationPath) throws IOException
                    {   
                        Path deletePath = Paths.get(path);
                        try
                        {
                            final InputSource src = new InputSource(new FileInputStream(new File(path)));
                            final Node document = DocumentBuilderFactory.newInstance().newDocumentBuilder().parse(src).getDocumentElement();
                            final DOMImplementationRegistry registry = DOMImplementationRegistry.newInstance();
                            final DOMImplementationLS impl = (DOMImplementationLS) registry.getDOMImplementation("LS");
                            final LSSerializer writer = impl.createLSSerializer();
                            writer.getDomConfig().setParameter("format-pretty-print",Boolean.TRUE);
                            LSOutput lsOutput =  impl.createLSOutput();
                            lsOutput.setEncoding("UTF-8");  // For enabling UTF -8 else it will create in UTF-16 which will not open in browser
                            Writer stringWriter = new StringWriter();
                            lsOutput.setCharacterStream(stringWriter);
                            writer.write(document, lsOutput);     
                            String result = stringWriter.toString();
                            Path formattedpath = Paths.get(destinationPath);
                            Files.createFile(formattedpath);            
                            Files.deleteIfExists(deletePath);
                            Files.write(formattedpath, result.getBytes(),StandardOpenOption.APPEND);


                        } catch (Exception e)
                        {
                        }
                    }

                }

发件人：

</abc>
 </xyz>
    <efg>Welcome</efg>
    <efgh>Welcome 1</efgh>
 <xyz>
<abc>

致：

---

下面的代码将使用 ReversedLinesFileReader和DOM

                import org.apache.commons.io.input.ReversedLinesFileReader;
                import org.w3c.dom.Node;
                import org.w3c.dom.bootstrap.DOMImplementationRegistry;
                import org.w3c.dom.ls.DOMImplementationLS;
                import org.w3c.dom.ls.LSOutput;
                import org.w3c.dom.ls.LSSerializer;
                import org.xml.sax.InputSource;
                import org.xml.sax.SAXException;
                import java.io.*;
                import java.nio.file.Files;
                import java.nio.file.Path;
                import java.nio.file.Paths;
                import java.nio.file.StandardOpenOption;
                import javax.xml.transform.*;
                import javax.xml.parsers.*;


                public class ReverseXMLTags {

                    public static void main(String[] args) throws ParserConfigurationException,IOException,SAXException,TransformerException{
                        String ch;
                        String destinationPath=args[1]; // args[1]- path of the file where we want to write the content of the formatted xml tags
                        String tempPath="C://temp.xml"; // We will write to a temp file and delete it later
                    try(ReversedLinesFileReader fr = new ReversedLinesFileReader(new File(args[0]));)
                    {
                             Path path = Paths.get(tempPath);
                             Files.deleteIfExists(path);
                             Files.createFile(path);
                        do {
                            ch = fr.readLine();         
                            Files.write(path, ch.getBytes(),StandardOpenOption.APPEND); //StandardOpenOption.APPEND - it will append the content in temp file

                        } while (ch != null);

                    }
                        catch(Exception e)
                        {
                            formatXML(tempPath,destinationPath);
                        }

                    }

                    public static void formatXML(String path,String destinationPath) throws IOException
                    {   
                        Path deletePath = Paths.get(path);
                        try
                        {
                            final InputSource src = new InputSource(new FileInputStream(new File(path)));
                            final Node document = DocumentBuilderFactory.newInstance().newDocumentBuilder().parse(src).getDocumentElement();
                            final DOMImplementationRegistry registry = DOMImplementationRegistry.newInstance();
                            final DOMImplementationLS impl = (DOMImplementationLS) registry.getDOMImplementation("LS");
                            final LSSerializer writer = impl.createLSSerializer();
                            writer.getDomConfig().setParameter("format-pretty-print",Boolean.TRUE);
                            LSOutput lsOutput =  impl.createLSOutput();
                            lsOutput.setEncoding("UTF-8");  // For enabling UTF -8 else it will create in UTF-16 which will not open in browser
                            Writer stringWriter = new StringWriter();
                            lsOutput.setCharacterStream(stringWriter);
                            writer.write(document, lsOutput);     
                            String result = stringWriter.toString();
                            Path formattedpath = Paths.get(destinationPath);
                            Files.createFile(formattedpath);            
                            Files.deleteIfExists(deletePath);
                            Files.write(formattedpath, result.getBytes(),StandardOpenOption.APPEND);


                        } catch (Exception e)
                        {
                        }
                    }

                }

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写下来就可以了。我们这里不做作业！请发布您为解决此问题所做的工作，我们将为您提供帮助。欢迎使用堆栈溢出！请带上，四处看看，并通读，尤其是和。从第二个环节开始：要求家庭作业帮助的问题必须包括到目前为止你为解决问题所做工作的总结，以及对你解决问题的困难的描述。