Examples with ResponseBuilder javax.ws.rs.core.Response.ResponseBuilder used on opensource projects

Example 6 with ResponseBuilder

use of javax.ws.rs.core.Response.ResponseBuilder in project hbase by apache.

the class ScannerInstanceResource method get.

@GET
@Produces({ MIMETYPE_XML, MIMETYPE_JSON, MIMETYPE_PROTOBUF, MIMETYPE_PROTOBUF_IETF })
public Response get(@Context final UriInfo uriInfo, @QueryParam("n") int maxRows, @QueryParam("c") final int maxValues) {
    if (LOG.isTraceEnabled()) {
        LOG.trace("GET " + uriInfo.getAbsolutePath());
    }
    servlet.getMetrics().incrementRequests(1);
    if (generator == null) {
        servlet.getMetrics().incrementFailedGetRequests(1);
        return Response.status(Response.Status.NOT_FOUND).type(MIMETYPE_TEXT).entity("Not found" + CRLF).build();
    }
    CellSetModel model = new CellSetModel();
    RowModel rowModel = null;
    byte[] rowKey = null;
    int limit = batch;
    if (maxValues > 0) {
        limit = maxValues;
    }
    int count = limit;
    do {
        Cell value = null;
        try {
            value = generator.next();
        } catch (IllegalStateException e) {
            if (ScannerResource.delete(id)) {
                servlet.getMetrics().incrementSucessfulDeleteRequests(1);
            } else {
                servlet.getMetrics().incrementFailedDeleteRequests(1);
            }
            servlet.getMetrics().incrementFailedGetRequests(1);
            return Response.status(Response.Status.GONE).type(MIMETYPE_TEXT).entity("Gone" + CRLF).build();
        } catch (IllegalArgumentException e) {
            Throwable t = e.getCause();
            if (t instanceof TableNotFoundException) {
                return Response.status(Response.Status.NOT_FOUND).type(MIMETYPE_TEXT).entity("Not found" + CRLF).build();
            }
            throw e;
        }
        if (value == null) {
            if (LOG.isTraceEnabled()) {
                LOG.trace("generator exhausted");
            }
            // returned
            if (count == limit) {
                return Response.noContent().build();
            }
            break;
        }
        if (rowKey == null) {
            rowKey = CellUtil.cloneRow(value);
            rowModel = new RowModel(rowKey);
        }
        if (!Bytes.equals(CellUtil.cloneRow(value), rowKey)) {
            // specified number of rows
            if (maxRows > 0) {
                if (--maxRows == 0) {
                    generator.putBack(value);
                    break;
                }
            }
            model.addRow(rowModel);
            rowKey = CellUtil.cloneRow(value);
            rowModel = new RowModel(rowKey);
        }
        rowModel.addCell(new CellModel(CellUtil.cloneFamily(value), CellUtil.cloneQualifier(value), value.getTimestamp(), CellUtil.cloneValue(value)));
    } while (--count > 0);
    model.addRow(rowModel);
    ResponseBuilder response = Response.ok(model);
    response.cacheControl(cacheControl);
    servlet.getMetrics().incrementSucessfulGetRequests(1);
    return response.build();
}

Example 7 with ResponseBuilder

use of javax.ws.rs.core.Response.ResponseBuilder in project hbase by apache.

the class RegionsResource method get.

@GET
@Produces({ MIMETYPE_TEXT, MIMETYPE_XML, MIMETYPE_JSON, MIMETYPE_PROTOBUF, MIMETYPE_PROTOBUF_IETF })
public Response get(@Context final UriInfo uriInfo) {
    if (LOG.isTraceEnabled()) {
        LOG.trace("GET " + uriInfo.getAbsolutePath());
    }
    servlet.getMetrics().incrementRequests(1);
    try {
        TableName tableName = TableName.valueOf(tableResource.getName());
        TableInfoModel model = new TableInfoModel(tableName.getNameAsString());
        Connection connection = ConnectionFactory.createConnection(servlet.getConfiguration());
        @SuppressWarnings("deprecation") Map<HRegionInfo, ServerName> regions = MetaTableAccessor.allTableRegions(connection, tableName);
        connection.close();
        for (Map.Entry<HRegionInfo, ServerName> e : regions.entrySet()) {
            HRegionInfo hri = e.getKey();
            ServerName addr = e.getValue();
            model.add(new TableRegionModel(tableName.getNameAsString(), hri.getRegionId(), hri.getStartKey(), hri.getEndKey(), addr.getHostAndPort()));
        }
        ResponseBuilder response = Response.ok(model);
        response.cacheControl(cacheControl);
        servlet.getMetrics().incrementSucessfulGetRequests(1);
        return response.build();
    } catch (TableNotFoundException e) {
        servlet.getMetrics().incrementFailedGetRequests(1);
        return Response.status(Response.Status.NOT_FOUND).type(MIMETYPE_TEXT).entity("Not found" + CRLF).build();
    } catch (IOException e) {
        servlet.getMetrics().incrementFailedGetRequests(1);
        return Response.status(Response.Status.SERVICE_UNAVAILABLE).type(MIMETYPE_TEXT).entity("Unavailable" + CRLF).build();
    }
}

Example 8 with ResponseBuilder

use of javax.ws.rs.core.Response.ResponseBuilder in project hbase by apache.

the class StorageClusterStatusResource method get.

@GET
@Produces({ MIMETYPE_TEXT, MIMETYPE_XML, MIMETYPE_JSON, MIMETYPE_PROTOBUF, MIMETYPE_PROTOBUF_IETF })
public Response get(@Context final UriInfo uriInfo) {
    if (LOG.isTraceEnabled()) {
        LOG.trace("GET " + uriInfo.getAbsolutePath());
    }
    servlet.getMetrics().incrementRequests(1);
    try {
        ClusterStatus status = servlet.getAdmin().getClusterStatus();
        StorageClusterStatusModel model = new StorageClusterStatusModel();
        model.setRegions(status.getRegionsCount());
        model.setRequests(status.getRequestsCount());
        model.setAverageLoad(status.getAverageLoad());
        for (ServerName info : status.getServers()) {
            ServerLoad load = status.getLoad(info);
            StorageClusterStatusModel.Node node = model.addLiveNode(info.getHostname() + ":" + Integer.toString(info.getPort()), info.getStartcode(), load.getUsedHeapMB(), load.getMaxHeapMB());
            node.setRequests(load.getNumberOfRequests());
            for (RegionLoad region : load.getRegionsLoad().values()) {
                node.addRegion(region.getName(), region.getStores(), region.getStorefiles(), region.getStorefileSizeMB(), region.getMemStoreSizeMB(), region.getStorefileIndexSizeMB(), region.getReadRequestsCount(), region.getWriteRequestsCount(), region.getRootIndexSizeKB(), region.getTotalStaticIndexSizeKB(), region.getTotalStaticBloomSizeKB(), region.getTotalCompactingKVs(), region.getCurrentCompactedKVs());
            }
        }
        for (ServerName name : status.getDeadServerNames()) {
            model.addDeadNode(name.toString());
        }
        ResponseBuilder response = Response.ok(model);
        response.cacheControl(cacheControl);
        servlet.getMetrics().incrementSucessfulGetRequests(1);
        return response.build();
    } catch (IOException e) {
        servlet.getMetrics().incrementFailedGetRequests(1);
        return Response.status(Response.Status.SERVICE_UNAVAILABLE).type(MIMETYPE_TEXT).entity("Unavailable" + CRLF).build();
    }
}

Example 9 with ResponseBuilder

use of javax.ws.rs.core.Response.ResponseBuilder in project hbase by apache.

the class TableScanResource method getProtobuf.

@GET
@Produces({ Constants.MIMETYPE_PROTOBUF, Constants.MIMETYPE_PROTOBUF_IETF })
public Response getProtobuf(@Context final UriInfo uriInfo, @PathParam("scanspec") final String scanSpec, @HeaderParam("Accept") final String contentType, @DefaultValue(Integer.MAX_VALUE + "") @QueryParam(Constants.SCAN_LIMIT) int userRequestedLimit, @DefaultValue("") @QueryParam(Constants.SCAN_START_ROW) String startRow, @DefaultValue("") @QueryParam(Constants.SCAN_END_ROW) String endRow, @DefaultValue("column") @QueryParam(Constants.SCAN_COLUMN) List<String> column, @DefaultValue("1") @QueryParam(Constants.SCAN_MAX_VERSIONS) int maxVersions, @DefaultValue("-1") @QueryParam(Constants.SCAN_BATCH_SIZE) int batchSize, @DefaultValue("0") @QueryParam(Constants.SCAN_START_TIME) long startTime, @DefaultValue(Long.MAX_VALUE + "") @QueryParam(Constants.SCAN_END_TIME) long endTime, @DefaultValue("true") @QueryParam(Constants.SCAN_BATCH_SIZE) boolean cacheBlocks) {
    servlet.getMetrics().incrementRequests(1);
    try {
        int fetchSize = this.servlet.getConfiguration().getInt(Constants.SCAN_FETCH_SIZE, 10);
        ProtobufStreamingUtil stream = new ProtobufStreamingUtil(this.results, contentType, userRequestedLimit, fetchSize);
        servlet.getMetrics().incrementSucessfulScanRequests(1);
        ResponseBuilder response = Response.ok(stream);
        response.header("content-type", contentType);
        return response.build();
    } catch (Exception exp) {
        servlet.getMetrics().incrementFailedScanRequests(1);
        processException(exp);
        LOG.warn(exp);
        return null;
    }
}

Example 10 with ResponseBuilder

use of javax.ws.rs.core.Response.ResponseBuilder in project hbase by apache.

the class VersionResource method get.

/**
   * Build a response for a version request.
   * @param context servlet context
   * @param uriInfo (JAX-RS context variable) request URL
   * @return a response for a version request
   */
@GET
@Produces({ MIMETYPE_TEXT, MIMETYPE_XML, MIMETYPE_JSON, MIMETYPE_PROTOBUF, MIMETYPE_PROTOBUF_IETF })
public Response get(@Context final ServletContext context, @Context final UriInfo uriInfo) {
    if (LOG.isTraceEnabled()) {
        LOG.trace("GET " + uriInfo.getAbsolutePath());
    }
    servlet.getMetrics().incrementRequests(1);
    ResponseBuilder response = Response.ok(new VersionModel(context));
    response.cacheControl(cacheControl);
    servlet.getMetrics().incrementSucessfulGetRequests(1);
    return response.build();
}