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Make Responses HTTP specific.

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This commit is contained in:
Fabian Märki
2016-06-07 17:13:28 +02:00
parent c62b44be0e
commit 91d1b3c142
8 changed files with 47 additions and 65 deletions
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src/main/java/ch/psi/daq/queryrest/controller/QueryRestController.java
+4 -3
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@@ -42,8 +42,9 @@ import ch.psi.daq.domain.query.operation.ResponseFormat;
import ch.psi.daq.domain.reader.Backend;
import ch.psi.daq.domain.request.validate.RequestProviderValidator;
import ch.psi.daq.queryrest.query.QueryManager;
import ch.psi.daq.queryrest.response.AbstractHTTPResponse;
import ch.psi.daq.queryrest.response.csv.CSVResponseStreamWriter;
import ch.psi.daq.queryrest.response.json.JSONResponse;
import ch.psi.daq.queryrest.response.json.JSONHTTPResponse;
import ch.psi.daq.queryrest.response.json.JSONResponseStreamWriter;
@RestController
@@ -74,7 +75,7 @@ public class QueryRestController {
@Resource
private ObjectMapper objectMapper;
private Response defaultResponse = new JSONResponse();
private Response defaultResponse = new JSONHTTPResponse();
@InitBinder
protected void initBinder(WebDataBinder binder) {
@@ -178,7 +179,7 @@ public class QueryRestController {
try {
LOGGER.debug("Executing queries '{}'", queries);
queries.getResponseOrDefault(defaultResponse).respond(appContext, queries, res);
((AbstractHTTPResponse)queries.getResponseOrDefault(defaultResponse)).respond(appContext, queries, res);
} catch (Exception e) {
LOGGER.error("Failed to execute query '{}'.", queries, e);
src/main/java/ch/psi/daq/queryrest/response/AbstractResponse.java → src/main/java/ch/psi/daq/queryrest/response/AbstractHTTPResponse.java
+3 -4
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@@ -13,15 +13,14 @@ import ch.psi.daq.domain.query.DAQQueries;
import ch.psi.daq.domain.query.operation.ResponseFormat;
import ch.psi.daq.domain.query.operation.ResponseImpl;
public abstract class AbstractResponse extends ResponseImpl {
public abstract class AbstractHTTPResponse extends ResponseImpl {
public AbstractResponse(ResponseFormat format) {
public AbstractHTTPResponse(ResponseFormat format) {
super(format);
}
@JsonIgnore
@Override
public abstract void respond(ApplicationContext context, DAQQueries queries, Object response) throws Exception;
public abstract void respond(ApplicationContext context, DAQQueries queries, HttpServletResponse httpResponse) throws Exception;
/**
* Configures the output stream and headers according to whether compression is wanted or not.
src/main/java/ch/psi/daq/queryrest/response/PolymorphicResponseMixIn.java
+4 -4
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@@ -4,16 +4,16 @@ import com.fasterxml.jackson.annotation.JsonSubTypes;
import com.fasterxml.jackson.annotation.JsonSubTypes.Type;
import com.fasterxml.jackson.annotation.JsonTypeInfo;
import ch.psi.daq.queryrest.response.csv.CSVResponse;
import ch.psi.daq.queryrest.response.json.JSONResponse;
import ch.psi.daq.queryrest.response.csv.CSVHTTPResponse;
import ch.psi.daq.queryrest.response.json.JSONHTTPResponse;
@JsonTypeInfo(
use = JsonTypeInfo.Id.NAME,
include = JsonTypeInfo.As.EXISTING_PROPERTY,
property = "format")
@JsonSubTypes({
@Type(value = JSONResponse.class, name = JSONResponse.FORMAT),
@Type(value = CSVResponse.class, name = CSVResponse.FORMAT)
@Type(value = JSONHTTPResponse.class, name = JSONHTTPResponse.FORMAT),
@Type(value = CSVHTTPResponse.class, name = CSVHTTPResponse.FORMAT)
})
// see: http://stackoverflow.com/questions/24631923/alternative-to-jackson-jsonsubtypes
public abstract class PolymorphicResponseMixIn {
src/main/java/ch/psi/daq/queryrest/response/csv/CSVResponse.java → src/main/java/ch/psi/daq/queryrest/response/csv/CSVHTTPResponse.java
+7 -16
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@@ -24,35 +24,26 @@ import ch.psi.daq.domain.query.operation.QueryField;
import ch.psi.daq.domain.query.operation.ResponseFormat;
import ch.psi.daq.query.model.impl.BackendQuery;
import ch.psi.daq.queryrest.query.QueryManager;
import ch.psi.daq.queryrest.response.AbstractResponse;
import ch.psi.daq.queryrest.response.AbstractHTTPResponse;
public class CSVResponse extends AbstractResponse {
private static final Logger LOGGER = LoggerFactory.getLogger(CSVResponse.class);
public class CSVHTTPResponse extends AbstractHTTPResponse {
private static final Logger LOGGER = LoggerFactory.getLogger(CSVHTTPResponse.class);
public static final String FORMAT = "csv";
public static final String CONTENT_TYPE = "text/csv";
public CSVResponse() {
public CSVHTTPResponse() {
super(ResponseFormat.CSV);
}
public CSVResponse(Compression compression) {
public CSVHTTPResponse(Compression compression) {
this();
setCompression(compression);
}
@Override
public void respond(ApplicationContext context, DAQQueries queries, Object response) throws Exception {
OutputStream out;
if (response instanceof HttpServletResponse) {
out = super.handleCompressionAndResponseHeaders((HttpServletResponse) response, CONTENT_TYPE);
} else {
String message =
String.format("'%s' does not support response Object of type '%s'", getFormat().getKey(), response
.getClass().getName());
LOGGER.error(message);
throw new IllegalArgumentException(message);
}
public void respond(ApplicationContext context, DAQQueries queries, HttpServletResponse httpResponse) throws Exception {
OutputStream out = handleCompressionAndResponseHeaders(httpResponse, CONTENT_TYPE);
// do csv specific validations
validateQueries(queries);
src/main/java/ch/psi/daq/queryrest/response/json/JSONResponse.java → src/main/java/ch/psi/daq/queryrest/response/json/JSONHTTPResponse.java
+7 -16
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@@ -20,35 +20,26 @@ import ch.psi.daq.domain.query.operation.Compression;
import ch.psi.daq.domain.query.operation.ResponseFormat;
import ch.psi.daq.query.model.impl.BackendQuery;
import ch.psi.daq.queryrest.query.QueryManager;
import ch.psi.daq.queryrest.response.AbstractResponse;
import ch.psi.daq.queryrest.response.AbstractHTTPResponse;
public class JSONResponse extends AbstractResponse {
private static final Logger LOGGER = LoggerFactory.getLogger(JSONResponse.class);
public class JSONHTTPResponse extends AbstractHTTPResponse {
private static final Logger LOGGER = LoggerFactory.getLogger(JSONHTTPResponse.class);
public static final String FORMAT = "json";
public static final String CONTENT_TYPE = MediaType.APPLICATION_JSON_VALUE;
public JSONResponse() {
public JSONHTTPResponse() {
super(ResponseFormat.JSON);
}
public JSONResponse(Compression compression) {
public JSONHTTPResponse(Compression compression) {
this();
setCompression(compression);
}
@Override
public void respond(ApplicationContext context, DAQQueries queries, Object response) throws Exception {
OutputStream out;
if (response instanceof HttpServletResponse) {
out = super.handleCompressionAndResponseHeaders((HttpServletResponse) response, CONTENT_TYPE);
} else {
String message =
String.format("'%s' does not support response Object of type '%s'", getFormat().getKey(), response.getClass()
.getName());
LOGGER.error(message);
throw new IllegalArgumentException(message);
}
public void respond(ApplicationContext context, DAQQueries queries, HttpServletResponse response) throws Exception {
OutputStream out = handleCompressionAndResponseHeaders(response, CONTENT_TYPE);
try {
LOGGER.debug("Executing query '{}'", queries);