Метод locateCategories...

Листинг 9.12. Метод locateCategories классифицирует заголовки (newsModel.java)

public void locateCategories(){ Element dE = doc.getDocumentElement();
// the root element clusterHash = new Hashtable();
articleNodeList = dE.getElementsByTagName("article");
int act = articleNodeList.getLength();
//System.out.println("Article count: " + act );
for( int i = 0 ; i < act ; i++ ){ Element aE = (Element) articleNodeList.item( i ) ; processArticle( aE );
} } private void processArticle( Element artE ){ NodeList clusterNL = artE.getElementsByTagName("cluster");
if( clusterNL.getLength() == 0 ) return ; Element clE = (Element)clusterNL.item(0);
String clusterStr = clE.getFirstChild().getNodeValue().trim() ; // System.out.println("cluster ct " + clusterNL.getLength() + // " value: " + clusterStr );
Object obj = clusterHash.get( clusterStr );
Vector v = null ; if( obj == null ){ v = new Vector();
clusterHash.put( clusterStr, v );
} else {v = (Vector)obj ; } v.addElement( artE );
}

Содержание раздела

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