Example usage for org.apache.solr.client.solrj ResponseParser getContentType

List of usage examples for org.apache.solr.client.solrj ResponseParser getContentType

Introduction

In this page you can find the example usage for org.apache.solr.client.solrj ResponseParser getContentType.

Prototype

public String getContentType() 

Source Link

Document

A well behaved ResponseParser will return its content-type.

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;/*w w w  . j av  a  2 s.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<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:sk.datalan.solr.impl.HttpSolrServer.java

License:Apache License

protected NamedList<Object> executeMethod(HttpRequestBase method, final ResponseParser processor)
        throws SolrServerException {
    //    // XXX client already has this set, is this needed?
    //    method.getParams().setParameter(ClientPNames.HANDLE_REDIRECTS,
    //        followRedirects);
    method.addHeader("User-Agent", AGENT);

    InputStream respBody = null;//from   ww w.j a v  a 2 s  .c  o  m
    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<>();
            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;
        ContentType ct = ContentType.getOrDefault(response.getEntity());
        try {
            rsp = processor.processResponse(respBody, ct.getCharset().toString());
        } 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");
                    if (reason == null) {
                        reason = (String) err.get("trace");
                    }
                }
            } catch (Exception ex) {
            }
            if (reason == null) {
                StringBuilder msg = new StringBuilder();
                msg.append(response.getStatusLine().getReasonPhrase());
                msg.append("\n\n");
                msg.append("request: ").append(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();
                }
            }
        }
    }
}