Examples of nu.xom.Element.copy()

nu.xom.Element.copy()

Creates a deep copy of this element with no parent, that can be added to this document or a different one.

Subclassers should be wary. Implementing this method is trickier than it might seem, especially if you wish to avoid potential stack overflows in deep documents. In particular, you should not rely on the obvious recursive algorithm. Most subclasses should override the {@link nu.xom.Element#shallowCopy() shallowCopy} method instead.
@return a deep copy of this element with no parent

        Element root = new Element("root");
        Document doc = new Document(root);
        Element dataElement = dataDoc.getRootElement();
        
        for (int i = 0; i < 20000; i++) {
            root.appendChild(dataElement.copy());
        }
        
        System.out.println("Ready to bench");
        Thread.sleep(5000);

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        Document doc = new Document(root);
        Element dataElement = dataDoc.getRootElement();


        
        for (int i = 0; i < 30000; i++) {
            root.appendChild(dataElement.copy());
        }
        
        System.out.println("Built document: " 
          + (r.totalMemory() - r.freeMemory())/(1024.0*1024) + "MB");
        System.gc(); System.gc(); System.gc();

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        Document doc = new Document(root);
        Element dataElement = dataDoc.getRootElement();
        
        long pre = System.currentTimeMillis(); 
        for (int i = 0; i < 20000; i++) {
            root.appendChild(dataElement.copy());
        }
        long post = System.currentTimeMillis();
        System.out.println((post - pre)/1000.0 + "s to build document by copying");
          
        pre = System.currentTimeMillis();

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        Element root = new Element("root");
        Document doc = new Document(root);
        doc.setBaseURI("http://www.example.com");
        Element child = new Element("child");
        root.appendChild(child);
        Node copy = child.copy();
        assertEquals("http://www.example.com", copy.getBaseURI());
        
    }

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      if(!a.equals(b)) {
        System.err.println("Yikes!");
        System.err.println(a);
        System.err.println(b);
      }
      e = (Element)e.copy();
      e.addAttribute(new Attribute("XPoint", xPoint));
      sb.addScrap(e, null);
    }
        
    if(ptsx != null) sb.addPubXMLDoc(ptsx);

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      if(!a.equals(b)) {
        System.out.println("Yikes!");
        System.out.println(a);
        System.out.println(b);
      }
      e = (Element)e.copy();
      e.addAttribute(new Attribute("XPoint", xPoint));
      ap.addScrap(e, null);
    return ap;
  }

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        Element root = new Element("root");
        Document doc = new Document(root);
        doc.setBaseURI("http://www.example.com");
        Element child = new Element("child");
        root.appendChild(child);
        Node copy = child.copy();
        assertEquals("http://www.example.com", copy.getBaseURI());
        
    }

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