56 lines
1.9 KiB
Java
56 lines
1.9 KiB
Java
|
Simple element filter
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
package com.ack.xml.jdom;
|
||
|
|
|
||
|
|
import java.util.Iterator;
|
||
|
|
import java.util.List;
|
||
|
|
|
||
|
|
import org.jdom.Element;
|
||
|
|
import org.jdom.Namespace;
|
||
|
|
import org.jdom.filter.ElementFilter;
|
||
|
|
import org.jdom.filter.Filter;
|
||
|
|
import org.jdom.input.SAXBuilder;
|
||
|
|
|
||
|
|
public class SimpleElementFilter {
|
||
|
|
public static void main( String[] args ) throws Exception {
|
||
|
|
// load in xml file and get a handle on the root element
|
||
|
|
SAXBuilder builder = new SAXBuilder();
|
||
|
|
org.jdom.Document doc = builder.build( "drainpipe.xml" );
|
||
|
|
Element rootElement = doc.getRootElement();
|
||
|
|
|
||
|
|
// filter to get all immediate element nodes for a specific element
|
||
|
|
Filter elementFilter = new ElementFilter();
|
||
|
|
|
||
|
|
// filter to get all immediate element nodes called 'colour'
|
||
|
|
// for a specific, the null represent the default namespace
|
||
|
|
Filter elementFilter2 = new ElementFilter( "colour", null );
|
||
|
|
|
||
|
|
// filter to get all immediate element nodes that belong to the
|
||
|
|
// specified namespace
|
||
|
|
Namespace aNamespace = Namespace.getNamespace( "myPrefix", "myURI" );
|
||
|
|
Filter elementFilter3 = new ElementFilter( aNamespace );
|
||
|
|
|
||
|
|
// filter to get all immediate element nodes named 'clients'
|
||
|
|
// that belong to the specified namespace
|
||
|
|
Filter elementFilter4 = new ElementFilter( "clients", aNamespace );
|
||
|
|
|
||
|
|
|
||
|
|
// gets all immediate nodes under the rootElement
|
||
|
|
List allNodes = rootElement.getContent();
|
||
|
|
|
||
|
|
// gets all element nodes under the rootElement
|
||
|
|
List elements = rootElement.getContent( elementFilter );
|
||
|
|
|
||
|
|
// cycle through all immediate elements under the rootElement
|
||
|
|
for( Iterator it = elements.iterator(); it.hasNext(); ) {
|
||
|
|
// note that this is a downcast because we
|
||
|
|
// have used the element filter. This would
|
||
|
|
// not be the case for a getContents() on the element
|
||
|
|
Element anElement = (Element) it.next();
|
||
|
|
System.out.println( anElement );
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|