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package net.sf.basedb.varsearch.query; |
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import org.apache.lucene.index.Term; |
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import org.apache.lucene.search.Query; |
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import org.apache.lucene.search.TermQuery; |
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import org.apache.lucene.search.WildcardQuery; |
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/** |
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Query field implementation that strips wildcard if |
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this is the first character. |
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@author nicklas |
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*/ |
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public class StripWildcardQueryField |
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extends QueryField |
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{ |
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public static final StripWildcardQueryField INSTANCE = new StripWildcardQueryField(); |
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private StripWildcardQueryField() |
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{} |
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@Override |
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public Query newWildcardQuery(String field, String term) |
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{ |
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Query q = null; |
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if (term.startsWith("*") || term.startsWith("?")) |
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{ |
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String term2 = term.substring(1); |
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if (term2.indexOf('*') == -1 && term2.indexOf('?') == -1) |
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{ |
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q = new TermQuery(new Term(field, term)); |
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} |
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else |
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{ |
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q = new WildcardQuery(new Term(field, term2)); |
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} |
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} |
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return q; |
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} |
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} |