Example usage for org.apache.solr.common.params ModifiableSolrParams getParams

List of usage examples for org.apache.solr.common.params ModifiableSolrParams getParams

Introduction

In this page you can find the example usage for org.apache.solr.common.params ModifiableSolrParams getParams.

Prototype

@Override
    public String[] getParams(String param) 

Source Link

Usage

From source file:com.nkang.kxmoment.util.SolrUtils.HttpSolrServer.java

License:Apache License

public NamedList<Object> request(final SolrRequest request, final ResponseParser processor)
        throws SolrServerException, IOException {
    HttpRequestBase method = null;//from www . j  av  a 2 s  .co  m
    InputStream is = null;
    SolrParams params = request.getParams();
    Collection<ContentStream> streams = requestWriter.getContentStreams(request);
    String path = requestWriter.getPath(request);
    if (path == null || !path.startsWith("/")) {
        path = DEFAULT_PATH;
    }

    ResponseParser parser = request.getResponseParser();
    if (parser == null) {
        parser = this.parser;
    }

    // The parser 'wt=' and 'version=' params are used instead of the original
    // params
    ModifiableSolrParams wparams = new ModifiableSolrParams(params);
    if (parser != null) {
        wparams.set(CommonParams.WT, parser.getWriterType());
        wparams.set(CommonParams.VERSION, parser.getVersion());
    }
    if (invariantParams != null) {
        wparams.add(invariantParams);
    }

    int tries = maxRetries + 1;
    try {
        while (tries-- > 0) {
            // Note: since we aren't do intermittent time keeping
            // ourselves, the potential non-timeout latency could be as
            // much as tries-times (plus scheduling effects) the given
            // timeAllowed.
            try {
                if (SolrRequest.METHOD.GET == request.getMethod()) {
                    if (streams != null) {
                        throw new SolrException(SolrException.ErrorCode.BAD_REQUEST, "GET can't send streams!");
                    }
                    method = new HttpGet(baseUrl + path + ClientUtils.toQueryString(wparams, false));
                } else if (SolrRequest.METHOD.POST == request.getMethod()) {

                    String url = baseUrl + path;
                    boolean hasNullStreamName = false;
                    if (streams != null) {
                        for (ContentStream cs : streams) {
                            if (cs.getName() == null) {
                                hasNullStreamName = true;
                                break;
                            }
                        }
                    }
                    boolean isMultipart = (this.useMultiPartPost || (streams != null && streams.size() > 1))
                            && !hasNullStreamName;

                    // only send this list of params as query string params
                    ModifiableSolrParams queryParams = new ModifiableSolrParams();
                    for (String param : this.queryParams) {
                        String[] value = wparams.getParams(param);
                        if (value != null) {
                            for (String v : value) {
                                queryParams.add(param, v);
                            }
                            wparams.remove(param);
                        }
                    }

                    LinkedList<NameValuePair> postParams = new LinkedList<NameValuePair>();
                    if (streams == null || isMultipart) {
                        HttpPost post = new HttpPost(url + ClientUtils.toQueryString(queryParams, false));
                        post.setHeader("Content-Charset", "UTF-8");
                        if (!isMultipart) {
                            post.addHeader("Content-Type", "application/x-www-form-urlencoded; charset=UTF-8");
                        }

                        List<FormBodyPart> parts = new LinkedList<FormBodyPart>();
                        Iterator<String> iter = wparams.getParameterNamesIterator();
                        while (iter.hasNext()) {
                            String p = iter.next();
                            String[] vals = wparams.getParams(p);
                            if (vals != null) {
                                for (String v : vals) {
                                    if (isMultipart) {
                                        parts.add(new FormBodyPart(p,
                                                new StringBody(v, Charset.forName("UTF-8"))));
                                    } else {
                                        postParams.add(new BasicNameValuePair(p, v));
                                    }
                                }
                            }
                        }

                        if (isMultipart && streams != null) {
                            for (ContentStream content : streams) {
                                String contentType = content.getContentType();
                                if (contentType == null) {
                                    contentType = BinaryResponseParser.BINARY_CONTENT_TYPE; // default
                                }
                                String name = content.getName();
                                if (name == null) {
                                    name = "";
                                }
                                parts.add(new FormBodyPart(name, new InputStreamBody(content.getStream(),
                                        contentType, content.getName())));
                            }
                        }

                        if (parts.size() > 0) {
                            MultipartEntity entity = new MultipartEntity(HttpMultipartMode.STRICT);
                            for (FormBodyPart p : parts) {
                                entity.addPart(p);
                            }
                            post.setEntity(entity);
                        } else {
                            //not using multipart
                            post.setEntity(new UrlEncodedFormEntity(postParams, "UTF-8"));
                        }

                        method = post;
                    }
                    // It is has one stream, it is the post body, put the params in the URL
                    else {
                        String pstr = ClientUtils.toQueryString(wparams, false);
                        HttpPost post = new HttpPost(url + pstr);

                        // Single stream as body
                        // Using a loop just to get the first one
                        final ContentStream[] contentStream = new ContentStream[1];
                        for (ContentStream content : streams) {
                            contentStream[0] = content;
                            break;
                        }
                        if (contentStream[0] instanceof RequestWriter.LazyContentStream) {
                            post.setEntity(new InputStreamEntity(contentStream[0].getStream(), -1) {
                                @Override
                                public Header getContentType() {
                                    return new BasicHeader("Content-Type", contentStream[0].getContentType());
                                }

                                @Override
                                public boolean isRepeatable() {
                                    return false;
                                }

                            });
                        } else {
                            post.setEntity(new InputStreamEntity(contentStream[0].getStream(), -1) {
                                @Override
                                public Header getContentType() {
                                    return new BasicHeader("Content-Type", contentStream[0].getContentType());
                                }

                                @Override
                                public boolean isRepeatable() {
                                    return false;
                                }
                            });
                        }
                        method = post;
                    }
                } else {
                    throw new SolrServerException("Unsupported method: " + request.getMethod());
                }
            } catch (NoHttpResponseException r) {
                method = null;
                if (is != null) {
                    is.close();
                }
                // If out of tries then just rethrow (as normal error).
                if (tries < 1) {
                    throw r;
                }
            }
        }
    } catch (IOException ex) {
        throw new SolrServerException("error reading streams", ex);
    }

    // client already has this set, is this needed
    method.getParams().setParameter(ClientPNames.HANDLE_REDIRECTS, followRedirects);
    method.addHeader("User-Agent", AGENT);

    // add jauth information
    //String username = WebServiceLoaderUtils.getWebServiceProperty(Constants.SECURITY_USERNAME).toString();
    //String password = WebServiceLoaderUtils.getWebServiceProperty(Constants.SECURITY_PASSWORD).toString();

    ResourceBundle bundle = ResourceBundle.getBundle("solrconfig");
    String username;
    String password;
    username = bundle.getString("wsUsername.url");
    password = bundle.getString("wsPassword.url");

    method.addHeader("username", username);
    method.addHeader("password", password);

    InputStream respBody = null;
    boolean shouldClose = true;
    boolean success = false;
    try {
        // Execute the method.
        final HttpResponse response = httpClient.execute(method);
        int httpStatus = response.getStatusLine().getStatusCode();

        // Read the contents
        respBody = response.getEntity().getContent();
        Header ctHeader = response.getLastHeader("content-type");
        String contentType;
        if (ctHeader != null) {
            contentType = ctHeader.getValue();
        } else {
            contentType = "";
        }

        // handle some http level checks before trying to parse the response
        switch (httpStatus) {
        case HttpStatus.SC_OK:
        case HttpStatus.SC_BAD_REQUEST:
        case HttpStatus.SC_CONFLICT: // 409
            break;
        case HttpStatus.SC_MOVED_PERMANENTLY:
        case HttpStatus.SC_MOVED_TEMPORARILY:
            if (!followRedirects) {
                throw new SolrServerException(
                        "Server at " + getBaseURL() + " sent back a redirect (" + httpStatus + ").");
            }
            break;
        default:
            if (processor == null) {
                throw new RemoteSolrException(httpStatus,
                        "Server at " + getBaseURL() + " returned non ok status:" + httpStatus + ", message:"
                                + response.getStatusLine().getReasonPhrase(),
                        null);
            }
        }
        if (processor == null) {

            // no processor specified, return raw stream
            NamedList<Object> rsp = new NamedList<Object>();
            rsp.add("stream", respBody);
            // Only case where stream should not be closed
            shouldClose = false;
            success = true;
            return rsp;
        }

        String procCt = processor.getContentType();
        if (procCt != null) {
            String procMimeType = ContentType.parse(procCt).getMimeType().trim().toLowerCase(Locale.ROOT);
            String mimeType = ContentType.parse(contentType).getMimeType().trim().toLowerCase(Locale.ROOT);
            if (!procMimeType.equals(mimeType)) {
                // unexpected mime type
                String msg = "Expected mime type " + procMimeType + " but got " + mimeType + ".";
                Header encodingHeader = response.getEntity().getContentEncoding();
                String encoding;
                if (encodingHeader != null) {
                    encoding = encodingHeader.getValue();
                } else {
                    encoding = "UTF-8"; // try UTF-8
                }
                try {
                    msg = msg + " " + IOUtils.toString(respBody, encoding);
                } catch (IOException e) {
                    throw new RemoteSolrException(httpStatus,
                            "Could not parse response with encoding " + encoding, e);
                }
                RemoteSolrException e = new RemoteSolrException(httpStatus, msg, null);
                throw e;
            }
        }

        //      if(true) {
        //        ByteArrayOutputStream copy = new ByteArrayOutputStream();
        //        IOUtils.copy(respBody, copy);
        //        String val = new String(copy.toByteArray());
        //        System.out.println(">RESPONSE>"+val+"<"+val.length());
        //        respBody = new ByteArrayInputStream(copy.toByteArray());
        //      }

        NamedList<Object> rsp = null;
        String charset = EntityUtils.getContentCharSet(response.getEntity());
        try {
            rsp = processor.processResponse(respBody, charset);
        } catch (Exception e) {
            throw new RemoteSolrException(httpStatus, e.getMessage(), e);
        }
        if (httpStatus != HttpStatus.SC_OK) {
            String reason = null;
            try {
                NamedList<?> err = (NamedList<?>) rsp.get("error");
                if (err != null) {
                    reason = (String) err.get("msg");
                    // TODO? get the trace?
                }
            } catch (Exception ex) {
            }
            if (reason == null) {
                StringBuilder msg = new StringBuilder();
                msg.append(response.getStatusLine().getReasonPhrase());
                msg.append("\n\n");
                msg.append("request: " + method.getURI());
                reason = java.net.URLDecoder.decode(msg.toString(), UTF_8);
            }
            throw new RemoteSolrException(httpStatus, reason, null);
        }
        success = true;
        return rsp;
    } catch (ConnectException e) {
        throw new SolrServerException("Server refused connection at: " + getBaseURL(), e);
    } catch (SocketTimeoutException e) {
        throw new SolrServerException("Timeout occured while waiting response from server at: " + getBaseURL(),
                e);
    } catch (IOException e) {
        throw new SolrServerException("IOException occured when talking to server at: " + getBaseURL(), e);
    } finally {
        if (respBody != null && shouldClose) {
            try {
                respBody.close();
            } catch (IOException e) {
                //log.error("", e);
            } finally {
                if (!success) {
                    method.abort();
                }
            }
        }
    }
}

From source file:de.qaware.chronix.solr.query.ChronixQueryHandler.java

License:Apache License

@Override
public void handleRequestBody(SolrQueryRequest req, SolrQueryResponse rsp) throws Exception {
    ModifiableSolrParams modifiableSolrParams = new ModifiableSolrParams(req.getParams());

    String originQuery = modifiableSolrParams.get(CommonParams.Q);

    long[] startAndEnd = dateRangeParser.getNumericQueryTerms(originQuery);
    long queryStart = or(startAndEnd[0], -1, 0);
    long queryEnd = or(startAndEnd[1], -1, Long.MAX_VALUE);

    modifiableSolrParams.set(ChronixQueryParams.QUERY_START_LONG, String.valueOf(queryStart));
    modifiableSolrParams.set(ChronixQueryParams.QUERY_END_LONG, String.valueOf(queryEnd));

    String query = dateRangeParser.replaceRangeQueryTerms(originQuery);

    modifiableSolrParams.set(CommonParams.Q, query);

    //Set the min required fields if the user define a sub set of fields
    modifiableSolrParams.set(CommonParams.FL, minRequiredFields(modifiableSolrParams.get(CommonParams.FL)));
    //Set the updated query
    req.setParams(modifiableSolrParams);

    //check the filter queries
    String[] filterQueries = modifiableSolrParams.getParams(CommonParams.FQ);

    //if we have an isAggregation
    if (contains(filterQueries, ChronixQueryParams.AGGREGATION_PARAM)
            || contains(filterQueries, ChronixQueryParams.ANALYSIS_PARAM)) {
        analysisHandler.handleRequestBody(req, rsp);

    } else {/*from w ww.  ja  va2 s.co m*/
        //let the default search handler do its work
        searchHandler.handleRequestBody(req, rsp);
    }

    //add the converted start and end to the response
    rsp.getResponseHeader().add(ChronixQueryParams.QUERY_START_LONG, queryStart);
    rsp.getResponseHeader().add(ChronixQueryParams.QUERY_END_LONG, queryEnd);
}

From source file:de.uni_tuebingen.ub.ixTheo.handler.component.FacetPrefixSortComponent.java

License:Apache License

/**
 * Actually run the query/* w ww.j ava2  s  .  c o  m*/
 */
@Override
public void process(ResponseBuilder rb) throws IOException {
    if (rb.doFacets) {
        final ModifiableSolrParams params = new ModifiableSolrParams();
        final SolrParams origParams = rb.req.getParams();
        final Iterator<String> iter = origParams.getParameterNamesIterator();
        setCollator(origParams.get("lang"));
        while (iter.hasNext()) {
            final String paramName = iter.next();
            // Deduplicate the list with LinkedHashSet, but _only_ for facet
            // params.
            if (!paramName.startsWith(FacetParams.FACET)) {
                params.add(paramName, origParams.getParams(paramName));
                continue;
            }
            final HashSet<String> deDupe = new LinkedHashSet<>(Arrays.asList(origParams.getParams(paramName)));
            params.add(paramName, deDupe.toArray(new String[deDupe.size()]));
        }

        final SimplePrefixSortFacets facets = new SimplePrefixSortFacets(rb.req, rb.getResults().docSet, params,
                rb);
        final NamedList<Object> counts = org.apache.solr.handler.component.FacetComponent
                .getFacetCounts(facets);

        final String[] pivots = params.getParams(FacetParams.FACET_PIVOT);
        if (pivots != null && pivots.length > 0) {
            PivotFacetProcessor pivotProcessor = new PivotFacetProcessor(rb.req, rb.getResults().docSet, params,
                    rb);
            SimpleOrderedMap<List<NamedList<Object>>> v = pivotProcessor.process(pivots);
            if (v != null) {
                counts.add(PIVOT_KEY, v);
            }
        }

        // Check whether we have to reorder out results
        // according to prefix

        final String sort = params.get(FacetParams.FACET_SORT);
        if (FacetPrefixSortParams.FACET_SORT_PREFIX.equals(sort)) {

            // Determine a score relative to the original query

            // Determine the query and make it compatible with our metric
            // class
            // by splitting the single terms
            String[] queryTerms = params.getParams(CommonParams.Q);
            final Collection<String> queryTermsCollection = new ArrayList<>();
            for (String s : queryTerms) {
                // Split at whitespace except we have a quoted term
                Matcher matcher = WHITE_SPACES_WITH_QUOTES_SPLITTING_PATTERN.matcher(s);
                while (matcher.find()) {
                    queryTermsCollection.add(matcher.group().replaceAll("^\"|\"$", ""));
                }
            }

            // In some contexts, i.e. in KWC that are derived from ordinary
            // keywords or if
            // wildcards occur, also add all the query terms as a single
            // phrase term
            // with stripped wildcards
            StringBuilder sb = new StringBuilder();
            for (String s : queryTermsCollection) {
                s = s.replace("*", "");
                sb.append(s);
                sb.append(" ");
            }

            queryTermsCollection.add(sb.toString().trim());

            final ArrayList<String> queryList = new ArrayList<>(queryTermsCollection);
            final String facetfield = params.get(FacetParams.FACET_FIELD);

            // Get the current facet entry and make it compatible with our
            // metric class
            // "facet_fields" itself contains a NamedList with the
            // facet.field as key

            final NamedList<Object> facetFieldsNamedList = (NamedList<Object>) counts.get("facet_fields");
            final NamedList<Object> facetFields = (NamedList<Object>) facetFieldsNamedList.get(facetfield);

            final List<Entry<Entry<String, Object>, Double>> facetPrefixListScored = new ArrayList<>();
            for (final Entry<String, Object> entry : facetFields) {
                final String facetTerms = entry.getKey();

                // Split up each KWC and calculate the scoring

                ArrayList<String> facetList = new ArrayList<>(
                        Arrays.asList(facetTerms.split("(?<!" + Pattern.quote("\\") + ")/")));

                // For usability reasons sort the result facets according to
                // the order of the search
                facetList = KeywordSort.sortToReferenceChain(queryList, facetList);

                final double score = KeywordChainMetric.calculateSimilarityScore(queryList, facetList);

                // Collect the result in a sorted list and throw away
                // garbage
                if (score > 0) {
                    String facetTermsSorted = StringUtils.join(facetList, "/");
                    Map.Entry<String, Object> sortedEntry = new AbstractMap.SimpleEntry<>(facetTermsSorted,
                            entry.getValue());
                    facetPrefixListScored.add(new AbstractMap.SimpleEntry<>(sortedEntry, score));
                }
            }

            Collections.sort(facetPrefixListScored, ENTRY_COMPARATOR);

            // Extract all the values wrap it back to NamedList again and
            // replace in the original structure

            facetFieldsNamedList.clear();
            NamedList<Object> facetNamedListSorted = new NamedList<>();

            // We had to disable all limits and offsets sort according
            // Handle this accordingly now

            int offset = (params.getInt(FacetParams.FACET_OFFSET) != null)
                    ? params.getInt(FacetParams.FACET_OFFSET)
                    : 0;
            int limit = (params.getInt(FacetParams.FACET_LIMIT) != null)
                    ? params.getInt(FacetParams.FACET_LIMIT)
                    : 100;

            // Strip uneeded elements
            int s = facetPrefixListScored.size();
            int off = (offset < s) ? offset : 0;
            limit = (limit < 0) ? s : limit; // Handle a negative limit
            // param, i.e. unlimited results
            int lim = (offset + limit <= s) ? (offset + limit) : s;

            final List<Entry<Entry<String, Object>, Double>> facetPrefixListScoredTruncated = facetPrefixListScored
                    .subList(off, lim);

            for (Entry<Entry<String, Object>, Double> e : facetPrefixListScoredTruncated) {
                facetNamedListSorted.add(e.getKey().getKey(), e.getKey().getValue());
            }

            facetFieldsNamedList.add(facetfield, facetNamedListSorted);
            NamedList<Object> countList = new NamedList<>();
            countList.add("count", facetPrefixListScored.size());
            facetFieldsNamedList.add(facetfield + "-count", countList);

            counts.remove("facet_fields");
            counts.add("facet_fields", facetFieldsNamedList);
        }

        rb.rsp.add("facet_counts", counts);
    }
}

From source file:net.yacy.cora.federate.solr.connector.EmbeddedSolrConnector.java

License:Open Source License

/**
 * the usage of getResponseByParams is disencouraged for the embedded Solr connector. Please use request(SolrParams) instead.
 * Reason: Solr makes a very complex folding/unfolding including data compression for SolrQueryResponses.
 *///ww  w  . j  a  va  2  s.  co m
@Override
public QueryResponse getResponseByParams(ModifiableSolrParams params) throws IOException {
    if (this.server == null)
        throw new IOException("server disconnected");
    // during the solr query we set the thread name to the query string to get more debugging info in thread dumps
    String q = params.get(CommonParams.Q);
    String fl = params.get(CommonParams.FL);
    String[] fq = params.getParams(CommonParams.FQ);
    String threadname = Thread.currentThread().getName();
    if (q != null) {
        StringBuilder fqa = new StringBuilder();
        if (fq != null)
            for (String f : fq)
                fqa.append("fq=").append(f).append(' ');
        Thread.currentThread().setName("solr query: q = " + q + (fq == null ? "" : ", " + fqa.toString())
                + (fl == null ? "" : ", fl=" + fl));
        //System.out.println("solr query: q = " + q + (fq == null ? "" : ", " + fqa.toString()) + (fl == null ? "" : ", fl=" + fl));
    }
    QueryResponse rsp;
    try {
        rsp = this.server.query(params);
        if (q != null)
            Thread.currentThread().setName(threadname);
        if (rsp != null)
            if (log.isFine())
                log.fine(rsp.getResults().getNumFound() + " results for q=" + q);
        return rsp;
    } catch (final SolrServerException e) {
        throw new IOException(e);
    } catch (final Throwable e) {
        throw new IOException("Error executing query", e);
    }
}

From source file:org.alfresco.solr.component.RewriteFacetParametersComponent.java

License:Open Source License

@Override
public void prepare(ResponseBuilder rb) throws IOException {
    SolrQueryRequest req = rb.req;/* ww  w. j  a  va  2s  .c  om*/
    SolrParams params = req.getParams();

    ModifiableSolrParams fixed = new ModifiableSolrParams();
    ModifiableSolrParams allParamsWithFix = new ModifiableSolrParams(params);
    fixFilterQueries(fixed, params, rb);
    fixFacetParams(fixed, params, rb);
    fixRows(fixed, params, rb);

    Set<String> fixedParameterNames = fixed.getParameterNames();
    for (String fixedParam : fixedParameterNames) {
        allParamsWithFix.set(fixedParam, fixed.getParams(fixedParam));
    }

    if (allParamsWithFix.get(CommonParams.SORT) != null) {
        allParamsWithFix.remove(CommonParams.RQ);
    }

    req.setParams(allParamsWithFix);
}

From source file:org.craftercms.search.service.impl.SolrDocumentBuilderImplTest.java

License:Open Source License

@Test
public void testParamsBuild() throws Exception {
    MultiValueMap<String, String> fields = new LinkedMultiValueMap<>(3);
    fields.add("name", "Samsung Galaxy Tab 4");
    fields.add("description_html", "<p>Samsung Galaxy Tab 4 (7-Inch, White)</p>");
    fields.add("availableDate_dt", "2014-04-01T11:00:00.000Z");
    fields.add("tags.value_smv", "Samsung");
    fields.add("tags.value_smv", "Galaxy");
    fields.add("tags.value_smv", "Tablet");

    String prefix = "p.";
    String suffix = ".s";

    ModifiableSolrParams params = builder.buildParams(SITE, TAB_ID, prefix, suffix, fields);

    assertNotNull(params);/* w ww .ja  v  a 2s  . c o m*/
    assertNotNull(params.get(prefix + DEFAULT_PUBLISHING_DATE_FIELD_NAME + suffix));
    assertNotNull(params.get(prefix + DEFAULT_PUBLISHING_DATE_ALT_FIELD_NAME + suffix));
    assertEquals(SITE, params.get(prefix + DEFAULT_SITE_FIELD_NAME + suffix));
    assertEquals(SITE + ":" + TAB_ID, params.get(prefix + DEFAULT_ID_FIELD_NAME + suffix));
    assertEquals(SITE + ":" + TAB_ID, params.get(prefix + DEFAULT_ROOT_ID_FIELD_NAME + suffix));
    assertEquals(TAB_ID, params.get(prefix + DEFAULT_LOCAL_ID_FIELD_NAME + suffix));
    assertEquals("Samsung Galaxy Tab 4", params.get(prefix + "name" + suffix));
    assertEquals("Samsung Galaxy Tab 4 (7-Inch, White)",
            params.get(prefix + "description_html" + suffix).trim());
    assertEquals("2014-04-01T11:00:00.000Z", params.get(prefix + "availableDate_dt" + suffix));
    assertArrayEquals(new String[] { "Samsung", "Galaxy", "Tablet" },
            params.getParams(prefix + "tags.value_smv" + suffix));
}

From source file:sk.datalan.solr.impl.HttpSolrServer.java

License:Apache License

protected HttpRequestBase createMethod(final SolrRequest request) throws IOException, SolrServerException {
    HttpRequestBase method = null;/*from   w w  w.ja  va 2s . c  om*/
    InputStream is = null;
    SolrParams params = request.getParams();
    Collection<ContentStream> streams = requestWriter.getContentStreams(request);
    String path = requestWriter.getPath(request);
    if (path == null || !path.startsWith("/")) {
        path = DEFAULT_PATH;
    }

    ResponseParser parser = request.getResponseParser();
    if (parser == null) {
        parser = this.parser;
    }

    // The parser 'wt=' and 'version=' params are used instead of the original
    // params
    ModifiableSolrParams wparams = new ModifiableSolrParams(params);
    if (parser != null) {
        wparams.set(CommonParams.WT, parser.getWriterType());
        wparams.set(CommonParams.VERSION, parser.getVersion());
    }
    if (invariantParams != null) {
        wparams.add(invariantParams);
    }

    int tries = maxRetries + 1;
    try {
        while (tries-- > 0) {
            // Note: since we aren't do intermittent time keeping
            // ourselves, the potential non-timeout latency could be as
            // much as tries-times (plus scheduling effects) the given
            // timeAllowed.
            try {
                if (SolrRequest.METHOD.GET == request.getMethod()) {
                    if (streams != null) {
                        throw new SolrException(SolrException.ErrorCode.BAD_REQUEST, "GET can't send streams!");
                    }
                    method = new HttpGet(baseUrl + path + ClientUtils.toQueryString(wparams, false));
                } else if (SolrRequest.METHOD.POST == request.getMethod()) {

                    String url = baseUrl + path;
                    boolean hasNullStreamName = false;
                    if (streams != null) {
                        for (ContentStream cs : streams) {
                            if (cs.getName() == null) {
                                hasNullStreamName = true;
                                break;
                            }
                        }
                    }
                    boolean isMultipart = (this.useMultiPartPost || (streams != null && streams.size() > 1))
                            && !hasNullStreamName;

                    // only send this list of params as query string params
                    ModifiableSolrParams queryParams = new ModifiableSolrParams();
                    for (String param : this.queryParams) {
                        String[] value = wparams.getParams(param);
                        if (value != null) {
                            for (String v : value) {
                                queryParams.add(param, v);
                            }
                            wparams.remove(param);
                        }
                    }

                    LinkedList<NameValuePair> postParams = new LinkedList<>();
                    if (streams == null || isMultipart) {
                        HttpPost post = new HttpPost(url + ClientUtils.toQueryString(queryParams, false));
                        post.setHeader("Content-Charset", "UTF-8");
                        if (!isMultipart) {
                            post.addHeader("Content-Type", "application/x-www-form-urlencoded; charset=UTF-8");
                        }

                        List<FormBodyPart> parts = new LinkedList<>();
                        Iterator<String> iter = wparams.getParameterNamesIterator();
                        while (iter.hasNext()) {
                            String p = iter.next();
                            String[] vals = wparams.getParams(p);
                            if (vals != null) {
                                for (String v : vals) {
                                    if (isMultipart) {
                                        parts.add(
                                                new FormBodyPart(p, new StringBody(v, StandardCharsets.UTF_8)));
                                    } else {
                                        postParams.add(new BasicNameValuePair(p, v));
                                    }
                                }
                            }
                        }

                        if (isMultipart && streams != null) {
                            for (ContentStream content : streams) {
                                String contentType = content.getContentType();
                                if (contentType == null) {
                                    contentType = BinaryResponseParser.BINARY_CONTENT_TYPE; // default
                                }
                                String name = content.getName();
                                if (name == null) {
                                    name = "";
                                }
                                parts.add(new FormBodyPart(name, new InputStreamBody(content.getStream(),
                                        contentType, content.getName())));
                            }
                        }

                        if (parts.size() > 0) {
                            MultipartEntity entity = new MultipartEntity(HttpMultipartMode.STRICT);
                            for (FormBodyPart p : parts) {
                                entity.addPart(p);
                            }
                            post.setEntity(entity);
                        } else {
                            //not using multipart
                            post.setEntity(new UrlEncodedFormEntity(postParams, StandardCharsets.UTF_8));
                        }

                        method = post;
                    } // It is has one stream, it is the post body, put the params in the URL
                    else {
                        String pstr = ClientUtils.toQueryString(wparams, false);
                        HttpPost post = new HttpPost(url + pstr);

                        // Single stream as body
                        // Using a loop just to get the first one
                        final ContentStream[] contentStream = new ContentStream[1];
                        for (ContentStream content : streams) {
                            contentStream[0] = content;
                            break;
                        }
                        if (contentStream[0] instanceof RequestWriter.LazyContentStream) {
                            post.setEntity(new InputStreamEntity(contentStream[0].getStream(), -1) {
                                @Override
                                public Header getContentType() {
                                    return new BasicHeader("Content-Type", contentStream[0].getContentType());
                                }

                                @Override
                                public boolean isRepeatable() {
                                    return false;
                                }

                            });
                        } else {
                            post.setEntity(new InputStreamEntity(contentStream[0].getStream(), -1) {
                                @Override
                                public Header getContentType() {
                                    return new BasicHeader("Content-Type", contentStream[0].getContentType());
                                }

                                @Override
                                public boolean isRepeatable() {
                                    return false;
                                }
                            });
                        }
                        method = post;
                    }
                } else {
                    throw new SolrServerException("Unsupported method: " + request.getMethod());
                }
            } catch (NoHttpResponseException r) {
                method = null;
                if (is != null) {
                    is.close();
                }
                // If out of tries then just rethrow (as normal error).
                if (tries < 1) {
                    throw r;
                }
            }
        }
    } catch (IOException ex) {
        throw new SolrServerException("error reading streams", ex);
    }

    return method;
}

From source file:uk.co.flax.biosolr.TreeFacetComponent.java

License:Apache License

private void addTreeFieldsToFacets(ResponseBuilder rb) throws SyntaxError {
    String[] ftFields = rb.req.getParams().getParams(FACET_TREE_FIELD);
    if (ftFields == null || ftFields.length == 0) {
        LOGGER.warn("No facet tree fields specified - ignoring facet trees");
    } else {/*  w w  w  .  j  a  v  a  2 s. co m*/
        // Take a modifiable copy of the incoming params
        ModifiableSolrParams params = new ModifiableSolrParams(rb.req.getParams());

        // Put the original facet fields (if any) into a Set
        Set<String> facetFields = new LinkedHashSet<>();
        if (params.getParams(FacetParams.FACET_FIELD) != null) {
            facetFields.addAll(Arrays.asList(params.getParams(FacetParams.FACET_FIELD)));
        }

        // Add the facet tree fields
        for (String ftField : ftFields) {
            // Parse the facet tree field, so we only add the field value,
            // rather than the whole string (ensure it's unique)
            facetFields.add(QueryParsing.getLocalParams(ftField, params).get(QueryParsing.V));
        }

        // Add the (possibly) new facet fields
        params.set(FacetParams.FACET_FIELD, facetFields.toArray(new String[facetFields.size()]));

        // Re-set the params in the request
        rb.req.setParams(params);
    }
}