FileDocCategorySizeDatePackage
SpanOrTermsBuilder.javaAPI DocApache Lucene 1.91797Mon Feb 27 11:12:20 GMT 2006org.apache.lucene.xmlparser.builders

SpanOrTermsBuilder

public class SpanOrTermsBuilder extends SpanBuilderBase

Fields Summary
Analyzer
analyzer
Constructors Summary
public SpanOrTermsBuilder(Analyzer analyzer)

param
analyzer

        super();
        this.analyzer = analyzer;
    
Methods Summary
public org.apache.lucene.search.spans.SpanQuerygetSpanQuery(org.w3c.dom.Element e)

		String fieldName=DOMUtils.getAttributeWithInheritance(e,"fieldName");
		if(fieldName==null)
		{
			throw new ParserException("Error: SpanOrTermsBuilder missing \"fieldName\" property");
		}

		String value=DOMUtils.getText(e);
		
		try
		{
			ArrayList clausesList=new ArrayList();
			TokenStream ts=analyzer.tokenStream(fieldName,new StringReader(value));
			Token token=ts.next();
			while(token!=null)
			{
			    SpanTermQuery stq=new SpanTermQuery(new Term(fieldName,token.termText()));
			    clausesList.add(stq);
				token=ts.next();		    
			}
			SpanOrQuery soq=new SpanOrQuery((SpanQuery[]) clausesList.toArray(new SpanQuery[clausesList.size()]));
			soq.setBoost(DOMUtils.getAttribute(e,"boost",1.0f));
			return soq;
		}
		catch(IOException ioe)
		{
		    throw new ParserException("IOException parsing value:"+value);
		}