Re: Recommend a design pattern to use here?
On Sat, 2 Jan 2010, fred wrote:
I have a number of objects that I need converted to XML. In one case I
want a verbose dump to XML, all members included. In another case I
want a brief dump to XML, only some of the members included.
What would be a good pattern to use here, where I can query an {X} to do
the verbose or brief XML dump of an object for me?
class Dumper {
private boolean dumpName;
private boolean dumpAddress;
public Dumper(boolean dumpName, boolean dumpAddress) {
this.dumpName = dumpName;
this.dumpAddress = dumpAddress;
}
public void dump(Customer cust, XMLWriter out) {
out.startElement("customer");
out.element("id", cust.getID()); // always dump this
if (dumpName) out.element("name", cust.getName());
if (dumpAddress) out.element("address", cust.getAddress());
out.endElement();
}
}
This is using:
http://urchin.earth.li/~twic/Code/XMLWriter.java
For the XML output, but that's not an particularly special choice.
tom
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