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Revision 8872

Added by Jing Tao over 9 years ago

Add code to determine if a id exists in a solr server.

View differences:

HttpSolrQueryService.java
22 22 
import java.io.InputStream;
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import java.net.MalformedURLException;
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import java.net.URL;
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import java.util.ArrayList;
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import java.util.HashMap;
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import java.util.List;
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import java.util.Map;
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import java.util.Set;
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import java.util.Vector;
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import javax.xml.parsers.DocumentBuilder;


  		




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import javax.xml.parsers.DocumentBuilderFactory;


  		




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import javax.xml.parsers.ParserConfigurationException;


  		




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import javax.xml.xpath.XPathConstants;


  		




  
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import javax.xml.xpath.XPathExpressionException;


  		




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import javax.xml.xpath.XPathFactory;


  		




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import org.apache.commons.codec.net.URLCodec;


  		




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import org.apache.commons.logging.Log;


  		




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import org.apache.commons.logging.LogFactory;


  		




  
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import org.apache.solr.client.solrj.SolrServerException;


  		




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import org.apache.solr.client.solrj.impl.CommonsHttpSolrServer;


  		




  
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import org.apache.solr.client.solrj.response.QueryResponse;


  		




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import org.apache.solr.client.solrj.util.ClientUtils;


  		




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import org.apache.solr.common.params.SolrParams;


  		




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import org.apache.solr.core.SolrConfig;


  		




  
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import org.apache.solr.schema.FieldType;


  		




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import org.apache.solr.schema.IndexSchema;


  		




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import org.apache.solr.schema.SchemaField;


  		




  
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import org.apache.solr.schema.TextField;


  		




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import org.dataone.configuration.Settings;


  		




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import org.dataone.service.exceptions.NotFound;


  		




  
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import org.dataone.service.exceptions.NotImplemented;


  		




  
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import org.dataone.service.types.v1.Identifier;


  		




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import org.dataone.service.types.v1.Subject;


  		




  
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import org.w3c.dom.Attr;


  		




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import org.w3c.dom.Document;


  		




  
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import org.w3c.dom.Element;


  		




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import org.w3c.dom.Node;


  		




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import org.w3c.dom.NodeList;


  		




  
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import org.xml.sax.Attributes;


  		




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import org.xml.sax.InputSource;


  		




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import org.xml.sax.SAXException;


  		




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  ......




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        return doc;


  		




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    }


  		




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    /**


  		




  
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     * If there is a solr doc for the given id.


  		




  
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     * @param id - the specified id.


  		




  
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     * @return true if there is a solr doc for this id.


  		




  
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     */


  		




  
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    public boolean hasSolrDoc(Identifier id) throws ParserConfigurationException, SolrServerException, IOException, SAXException {


  		




  
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    	boolean hasIt = false;


  		




  
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    	if(id != null && id.getValue() != null && !id.getValue().trim().equals("") ) {


  		




  
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    		SolrParams query = EmbeddedSolrQueryService.buildIdQuery(id.getValue());


  		




  
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            QueryResponse response = httpSolrServer.query(query);


  		




  
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            hasIt = EmbeddedSolrQueryService.hasResult(response);


  		




  
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    	}


  		




  
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    	return hasIt;


  		




  
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    }


  		




  
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}


  		












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