Examples of org.apache.solr.common.util.NamedList

org.apache.solr.common.util.NamedList
A simple container class for modeling an ordered list of name/value pairs.
Unlike Maps:
- Names may be repeated
- Order of elements is maintained
- Elements may be accessed by numeric index
- Names and Values can both be null
A NamedList provides fast access by element number, but not by name.

When a NamedList is serialized, order is considered more important than access by key, so ResponseWriters that output to a format such as JSON will normally choose a data structure that allows order to be easily preserved in various clients (i.e. not a straight map). If access by key is more important, see {@link SimpleOrderedMap}, or simply use a regular {@link Map}
@version $Id: NamedList.java 1065312 2011-01-30 16:08:25Z rmuir $

  public void testExtractOnly() throws Exception {
    ExtractingRequestHandler handler = (ExtractingRequestHandler) h.getCore().getRequestHandler("/update/extract");
    assertTrue("handler is null and it shouldn't be", handler != null);
    SolrQueryResponse rsp = loadLocal("solr-word.pdf", ExtractingParams.EXTRACT_ONLY, "true");
    assertTrue("rsp is null and it shouldn't be", rsp != null);
    NamedList list = rsp.getValues();


    String extraction = (String) list.get("solr-word.pdf");
    assertTrue("extraction is null and it shouldn't be", extraction != null);
    assertTrue(extraction + " does not contain " + "solr-word", extraction.indexOf("solr-word") != -1);


    NamedList nl = (NamedList) list.get("solr-word.pdf_metadata");
    assertTrue("nl is null and it shouldn't be", nl != null);
    Object title = nl.get("title");
    assertTrue("title is null and it shouldn't be", title != null);
    assertTrue(extraction.indexOf("<?xml") != -1);


    rsp = loadLocal("solr-word.pdf", ExtractingParams.EXTRACT_ONLY, "true",
            ExtractingParams.EXTRACT_FORMAT, ExtractingDocumentLoader.TEXT_FORMAT);
    assertTrue("rsp is null and it shouldn't be", rsp != null);
    list = rsp.getValues();


    extraction = (String) list.get("solr-word.pdf");
    assertTrue("extraction is null and it shouldn't be", extraction != null);
    assertTrue(extraction + " does not contain " + "solr-word", extraction.indexOf("solr-word") != -1);
    assertTrue(extraction.indexOf("<?xml") == -1);


    nl = (NamedList) list.get("solr-word.pdf_metadata");
    assertTrue("nl is null and it shouldn't be", nl != null);
    title = nl.get("title");
    assertTrue("title is null and it shouldn't be", title != null);






  }

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    SolrQueryResponse rsp = loadLocal("example.html",
            ExtractingParams.XPATH_EXPRESSION, "/xhtml:html/xhtml:body/xhtml:a/descendant:node()",
            ExtractingParams.EXTRACT_ONLY, "true"
    );
    assertTrue("rsp is null and it shouldn't be", rsp != null);
    NamedList list = rsp.getValues();
    String val = (String) list.get("example.html");
    val = val.trim();
    assertTrue(val + " is not equal to " + "linkNews", val.equals("linkNews") == true);//there are two <a> tags, and they get collapesd
  }

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          config = new TikaConfig(configFile);
        } catch (Exception e) {
          throw new SolrException(ErrorCode.SERVER_ERROR, e);
        }
      }
      NamedList configDateFormats = (NamedList) initArgs.get(DATE_FORMATS);
      if (configDateFormats != null && configDateFormats.size() > 0) {
        dateFormats = new HashSet<String>();
        Iterator<Map.Entry> it = configDateFormats.iterator();
        while (it.hasNext()) {
          String format = (String) it.next().getValue();
          log.info("Adding Date Format: " + format);
          dateFormats.add(format);
        }

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  @SuppressWarnings("rawtypes")
  private Map<String, Map<String, MapField>> readTypesFeaturesFieldsMapping() {
    Map<String, Map<String, MapField>> map = new HashMap<String, Map<String, MapField>>();


    NamedList fieldMappings = (NamedList) args.get("fieldMappings");
    /* iterate over UIMA types */
    for (int i = 0; i < fieldMappings.size(); i++) {
      NamedList type = (NamedList) fieldMappings.get("type", i);
      String typeName = (String)type.get("name");


      Map<String, MapField> subMap = new HashMap<String, MapField>();
      /* iterate over mapping definitions */
      for(int j = 0; j < type.size() - 1; j++){
        NamedList mapping = (NamedList) type.get("mapping", j + 1);
        String featureName = (String) mapping.get("feature");
        String fieldNameFeature = null;
        String mappedFieldName = (String) mapping.get("field");
        if(mappedFieldName == null){
          fieldNameFeature = (String) mapping.get("fieldNameFeature");
          mappedFieldName = (String) mapping.get("dynamicField");
        }
        if(mappedFieldName == null)
          throw new RuntimeException("either of field or dynamicField should be defined for feature " + featureName);
        MapField mapField = new MapField(mappedFieldName, fieldNameFeature);
        subMap.put(featureName, mapField);

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  }


  @SuppressWarnings("rawtypes")
  private Map<String, Object> readAEOverridingParameters() {
    Map<String, Object> runtimeParameters = new HashMap<String, Object>();
    NamedList runtimeParams = (NamedList) args.get("runtimeParameters");
    for (int i = 0; i < runtimeParams.size(); i++) {
      String name = runtimeParams.getName(i);
      Object value = runtimeParams.getVal(i);
      runtimeParameters.put(name, value);
    }
    return runtimeParameters;
  }

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      }
      Map.Entry<String, String> [] entries = new NamedListEntry[q.length / 2];
      for (int i = 0; i < q.length; i += 2) {
        entries[i/2] = new NamedListEntry<String>(q[i], q[i+1]);
      }
      return new LocalSolrQueryRequest(TestHarness.this.getCore(), new NamedList(entries));
    }

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      if (main) {
        mainResult = createSimpleResponse();
        return;
      }


      NamedList groupResult = commonResponse();


      if (format == Format.simple) {
        groupResult.add("doclist", createSimpleResponse());
        return;
      }


      List groupList = new ArrayList();
      groupResult.add("groups", groupList);        // grouped={ key={ groups=[


      if (result == null) {
        return;
      }


      // handle case of rows=0
      if (numGroups == 0) return;


      for (GroupDocs<String> group : result.groups) {
        NamedList nl = new SimpleOrderedMap();
        groupList.add(nl);                         // grouped={ key={ groups=[ {




        // To keep the response format compatable with trunk.
        // In trunk MutableValue can convert an indexed value to its native type. E.g. string to int
        // The only option I currently see is the use the FieldType for this
        if (group.groupValue != null) {
          SchemaField schemaField = searcher.getSchema().getField(groupBy);
          FieldType fieldType = schemaField.getType();
          String readableValue = fieldType.indexedToReadable(group.groupValue);
          Fieldable field = schemaField.createField(readableValue, 0.0f);
          nl.add("groupValue", fieldType.toObject(field));
        } else {
          nl.add("groupValue", null);
        }


        addDocList(nl, group);
      }
    }

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      TopDocs topDocs = topDocsCollector.topDocs();
      GroupDocs<String> groupDocs = new GroupDocs<String>(topDocs.getMaxScore(), topDocs.totalHits, topDocs.scoreDocs, query.toString(), null);
      if (main) {
        mainResult = getDocList(groupDocs);
      } else {
        NamedList rsp = commonResponse();
        addDocList(rsp, groupDocs);
      }
    }

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   *
   * @see FacetParams#FACET_QUERY
   */
  public NamedList getFacetQueryCounts() throws IOException,ParseException {


    NamedList res = new SimpleOrderedMap();


    /* Ignore CommonParams.DF - could have init param facet.query assuming
     * the schema default with query param DF intented to only affect Q.
     * If user doesn't want schema default for facet.query, they should be
     * explicit.
     */
    // SolrQueryParser qp = searcher.getSchema().getSolrQueryParser(null);


    String[] facetQs = params.getParams(FacetParams.FACET_QUERY);


    if (null != facetQs && 0 != facetQs.length) {
      for (String q : facetQs) {
        try {
          parseParams(FacetParams.FACET_QUERY, q);


          // TODO: slight optimization would prevent double-parsing of any localParams
          Query qobj = QParser.getParser(q, null, req).getQuery();
          res.add(key, searcher.numDocs(qobj, base));
        }
        catch (Exception e) {
          String msg = "Exception during facet.query of " + q;
          SolrException.logOnce(SolrCore.log, msg, e);
          addException(msg , e);

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  public NamedList getTermCounts(String field) throws IOException {
    int offset = params.getFieldInt(field, FacetParams.FACET_OFFSET, 0);
    int limit = params.getFieldInt(field, FacetParams.FACET_LIMIT, 100);
    if (limit == 0) return new NamedList();
    Integer mincount = params.getFieldInt(field, FacetParams.FACET_MINCOUNT);
    if (mincount==null) {
      Boolean zeros = params.getFieldBool(field, FacetParams.FACET_ZEROS);
      // mincount = (zeros!=null && zeros) ? 0 : 1;
      mincount = (zeros!=null && !zeros) ? 1 : 0;
      // current default is to include zeros.
    }
    boolean missing = params.getFieldBool(field, FacetParams.FACET_MISSING, false);
    // default to sorting if there is a limit.
    String sort = params.getFieldParam(field, FacetParams.FACET_SORT, limit>0 ? FacetParams.FACET_SORT_COUNT : FacetParams.FACET_SORT_INDEX);
    String prefix = params.getFieldParam(field,FacetParams.FACET_PREFIX);




    NamedList counts;
    SchemaField sf = searcher.getSchema().getField(field);
    FieldType ft = sf.getType();


    // determine what type of faceting method to use
    String method = params.getFieldParam(field, FacetParams.FACET_METHOD);

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