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  1. import java.io.File;
  2. import java.util.ArrayList;
  3. import java.util.LinkedHashMap;
  4. import java.util.List;
  5. import java.util.Map;
  6. import javax.xml.bind.JAXBContext;
  7. import javax.xml.bind.JAXBException;
  8. import javax.xml.bind.Marshaller;
  9. import javax.xml.bind.Unmarshaller;
  10. import javax.xml.bind.annotation.XmlAttribute;
  11. import javax.xml.bind.annotation.XmlElement;
  12. import javax.xml.bind.annotation.XmlElementWrapper;
  13. import javax.xml.bind.annotation.XmlRootElement;
  14. import javax.xml.bind.annotation.XmlTransient;
  15.  
  16. class XmlMerge {
  17.  
  18.     public static void main(String[] args) {
  19.         if (args == null || args.length != 3) {
  20.             System.out.println("Usage: java -jar XmlMerge.jar"
  21.                     + " <base-xml> <source-xml> <out-xml>");
  22.             System.exit(1);
  23.         }
  24.         File baseXml = new File(args[0]);
  25.         File sourceXml = new File(args[1]);
  26.         File outXml = new File(args[2]);
  27.         merge(baseXml, sourceXml, outXml);
  28.     }
  29.  
  30.     private static void merge(File baseXml, File sourceXml, File outXml) {
  31.         try {
  32.             JAXBContext jaxb = JAXBContext.newInstance(Data.class);
  33.             Unmarshaller reader = jaxb.createUnmarshaller();
  34.             Marshaller writer = jaxb.createMarshaller();
  35.             writer.setProperty(Marshaller.JAXB_FORMATTED_OUTPUT, true);
  36.  
  37.             Data baseData = (Data) reader.unmarshal(baseXml);
  38.             Data sourceData = (Data) reader.unmarshal(sourceXml);
  39.             baseData.getLineMap().putAll(sourceData.getLineMap());
  40.  
  41.             writer.marshal(baseData, outXml);
  42.         } catch (JAXBException ex) {
  43.             System.err.println(ex);
  44.         }
  45.     }
  46. }
  47.  
  48.  
  49. @XmlRootElement(name = "data")
  50. class Data {
  51.     Map<String, String> lineMap = new LinkedHashMap<>();
  52.  
  53.     @XmlElement(name = "line")
  54.     public List<Line> getLines() {
  55.         List<Line> lines = new ArrayList<>();
  56.         for (Map.Entry<String, String> entry : lineMap.entrySet()) {
  57.             Line line = new Line();
  58.             line.setKey(entry.getKey());
  59.             line.setData(entry.getValue());
  60.             lines.add(line);
  61.         }
  62.         return lines;
  63.     }
  64.  
  65.     public void setLines(List<Line> lines) {
  66.         for (Line line : lines) {
  67.             lineMap.put(line.getKey(), line.getData());
  68.         }
  69.     }
  70.  
  71.     @XmlTransient
  72.     public Map<String, String> getLineMap() {
  73.         return lineMap;
  74.     }
  75.  
  76.     public void setLineMap(Map<String, String> lineMap) {
  77.         this.lineMap = lineMap;
  78.     }
  79. }
  80.  
  81. @XmlRootElement(name = "line")
  82. class Line {
  83.     private String key;
  84.     private String data;
  85.  
  86.     @XmlAttribute(name = "key", required = true)
  87.     public String getKey() {
  88.         return key;
  89.     }
  90.  
  91.     public void setKey(String key) {
  92.         this.key = key;
  93.     }
  94.  
  95.     @XmlElement(name = "data")
  96.     public String getData() {
  97.         return data;
  98.     }
  99.  
  100.     public void setData(String data) {
  101.         this.data = data;
  102.     }
  103.  
  104. }
  105.  
Runtime error #stdin #stdout 0.07s 380224KB
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Standard input is empty
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Usage: java -jar XmlMerge.jar <base-xml> <source-xml> <out-xml>
https://ideone.com/0CijO2
language:
Java (HotSpot 12)
created:
11 years ago
visibility:
public

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