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package org.onap.ccsdk.sli.core.sliapi.springboot;
import com.fasterxml.jackson.core.JsonProcessingException;
import com.fasterxml.jackson.databind.ObjectMapper;
import com.google.gson.*;
import org.onap.ccsdk.sli.core.sli.*;
import org.onap.ccsdk.sli.core.sli.provider.base.*;
import org.onap.ccsdk.sli.core.sliapi.model.ExecuteGraphInput;
import org.onap.ccsdk.sli.core.sliapi.model.ResponseFields;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.http.HttpStatus;
import org.springframework.http.ResponseEntity;
import org.springframework.stereotype.Controller;
import javax.servlet.http.HttpServletRequest;
import javax.validation.Valid;
import java.io.FileInputStream;
import java.io.IOException;
import java.util.Map;
import java.util.Optional;
import java.util.Properties;
@javax.annotation.Generated(value = "io.swagger.codegen.languages.SpringCodegen", date = "2020-02-20T12:50:11.207-05:00")
@Controller
public class RestconfApiController implements RestconfApi {
private final ObjectMapper objectMapper;
private final HttpServletRequest request;
private static SvcLogicServiceBase svc;
private static final Logger log = LoggerFactory.getLogger(RestconfApiController.class);
@org.springframework.beans.factory.annotation.Autowired
public RestconfApiController(ObjectMapper objectMapper, HttpServletRequest request) {
this.objectMapper = objectMapper;
this.request = request;
SvcLogicPropertiesProvider propProvider = new SvcLogicPropertiesProvider() {
@Override
public Properties getProperties() {
Properties props = new Properties();
String propPath = "src/main/resources/svclogic.properties";
System.out.println(propPath);
try (FileInputStream fileInputStream = new FileInputStream(propPath)) {
props = new Properties();
props.load(fileInputStream);
} catch (final IOException e) {
log.error("Failed to load properties for file: {}", propPath,
new ConfigurationException("Failed to load properties for file: " + propPath, e));
}
return props;
}
};
SvcLogicStore store = null;
try {
store = SvcLogicStoreFactory.getSvcLogicStore(propProvider.getProperties());
} catch (SvcLogicException e) {
log.error("Cannot create SvcLogicStore", e);
return;
}
String serviceLogicDirectory = System.getProperty("serviceLogicDirectory", "src/main/resources");
System.out.println("serviceLogicDirectory is " + serviceLogicDirectory);
SvcLogicLoader loader = new SvcLogicLoader(serviceLogicDirectory, store);
try {
loader.loadAndActivate();
} catch (IOException e) {
log.error("Cannot load directed graphs", e);
}
SvcLogicResolver resolver = new HashMapResolver();
svc = new SvcLogicServiceImplBase(store, resolver);
}
@Override
public ResponseEntity<ResponseFields> healthcheck() {
ResponseFields resp = new ResponseFields();
try {
log.info("Calling SLI-API:healthcheck DG");
Properties inputProps = new Properties();
Properties respProps = svc.execute("sli", "healthcheck", null, "sync", inputProps);
resp.setAckFinalIndicator(respProps.getProperty("ack-final-indicator", "Y"));
resp.setResponseCode(respProps.getProperty("error-code", "200"));
resp.setResponseMessage(respProps.getProperty("error-message", "Success"));
resp.setContextMemoryJson(propsToJson(respProps, "context-memory"));
return (new ResponseEntity<>(resp, HttpStatus.OK));
} catch (Exception e) {
resp.setAckFinalIndicator("true");
resp.setResponseCode("500");
resp.setResponseMessage(e.getMessage());
log.error("Error calling healthcheck directed graph", e);
}
return (new ResponseEntity<>(resp, HttpStatus.INTERNAL_SERVER_ERROR));
}
@Override
public ResponseEntity<ResponseFields> vlbcheck() {
ResponseFields resp = new ResponseFields();
try {
log.info("Calling SLI-API:vlbcheck DG");
Properties inputProps = new Properties();
Properties respProps = svc.execute("sli", "vlbcheck", null, "sync", inputProps);
resp.setAckFinalIndicator(respProps.getProperty("ack-final-indicator", "Y"));
resp.setResponseCode(respProps.getProperty("error-code", "200"));
resp.setResponseMessage(respProps.getProperty("error-message", "Success"));
resp.setContextMemoryJson(propsToJson(respProps, "context-memory"));
return (new ResponseEntity<>(resp, HttpStatus.OK));
} catch (Exception e) {
resp.setAckFinalIndicator("true");
resp.setResponseCode("500");
resp.setResponseMessage(e.getMessage());
log.error("Error calling vlbcheck directed graph", e);
}
return (new ResponseEntity<>(resp, HttpStatus.INTERNAL_SERVER_ERROR));
}
@Override
public Optional<ObjectMapper> getObjectMapper() {
return Optional.ofNullable(objectMapper);
}
@Override
public Optional<HttpServletRequest> getRequest() {
return Optional.ofNullable(request);
}
@Override
public ResponseEntity<ResponseFields> executeGraph(@Valid ExecuteGraphInput executeGraphInput) {
Properties parms = new Properties();
ResponseFields resp = new ResponseFields();
String executeGraphInputJson = null;
try {
executeGraphInputJson = objectMapper.writeValueAsString(executeGraphInput);
log.info("Input as JSON is "+executeGraphInputJson);
} catch (JsonProcessingException e) {
resp.setAckFinalIndicator("true");
resp.setResponseCode("500");
resp.setResponseMessage(e.getMessage());
log.error("Cannot create JSON from input object", e);
return (new ResponseEntity<>(resp, HttpStatus.INTERNAL_SERVER_ERROR));
}
JsonObject jsonInput = new Gson().fromJson(executeGraphInputJson, JsonObject.class);
JsonObject passthroughObj = jsonInput.get("input").getAsJsonObject();
writeResponseToCtx(passthroughObj.toString(), parms, "input");
try {
// Any of these can throw a nullpointer exception
String calledModule = executeGraphInput.getInput().getModuleName();
String calledRpc = executeGraphInput.getInput().getRpcName();
String modeStr = executeGraphInput.getInput().getMode();
// execute should only throw a SvcLogicException
Properties respProps = svc.execute(calledModule, calledRpc, null, modeStr, parms);
resp.setAckFinalIndicator(respProps.getProperty("ack-final-indicator", "Y"));
resp.setResponseCode(respProps.getProperty("error-code", "200"));
resp.setResponseMessage(respProps.getProperty("error-message", "SUCCESS"));
resp.setContextMemoryJson(propsToJson(respProps, "context-memory"));
return (new ResponseEntity<>(resp, HttpStatus.valueOf(Integer.parseInt(resp.getResponseCode()))));
} catch (NullPointerException npe) {
resp.setAckFinalIndicator("true");
resp.setResponseCode("500");
resp.setResponseMessage("Check that you populated module, rpc and or mode correctly.");
return (new ResponseEntity<>(resp, HttpStatus.INTERNAL_SERVER_ERROR));
} catch (SvcLogicException e) {
resp.setAckFinalIndicator("true");
resp.setResponseCode("500");
resp.setResponseMessage(e.getMessage());
return (new ResponseEntity<>(resp, HttpStatus.INTERNAL_SERVER_ERROR));
}
}
public static void writeResponseToCtx(String resp, Properties ctx, String prefix) {
JsonParser jp = new JsonParser();
JsonElement element = jp.parse(resp);
writeJsonObject(element.getAsJsonObject(), ctx, prefix + ".");
}
public static void writeJsonObject(JsonObject obj, Properties ctx, String root) {
for (Map.Entry<String, JsonElement> entry : obj.entrySet()) {
if (entry.getValue().isJsonObject()) {
writeJsonObject(entry.getValue().getAsJsonObject(), ctx, root + entry.getKey() + ".");
} else if (entry.getValue().isJsonArray()) {
JsonArray array = entry.getValue().getAsJsonArray();
ctx.put(root + entry.getKey() + "_length", String.valueOf(array.size()));
Integer arrayIdx = 0;
for (JsonElement element : array) {
if (element.isJsonObject()) {
writeJsonObject(element.getAsJsonObject(), ctx, root + entry.getKey() + "[" + arrayIdx + "].");
}
arrayIdx++;
}
} else {
if (entry.getValue() instanceof JsonNull) {
log.info("Skipping parameter "+entry.getKey()+" with null value");
} else {
ctx.put(root + entry.getKey(), entry.getValue().getAsString());
}
}
}
}
public static String propsToJson(Properties props, String root)
{
StringBuffer sbuff = new StringBuffer();
sbuff.append("{ \""+root+"\" : { ");
boolean needComma = false;
for (Map.Entry<Object, Object> prop : props.entrySet()) {
sbuff.append("\""+(String) prop.getKey()+"\" : \""+(String)prop.getValue()+"\"");
if (needComma) {
sbuff.append(" , ");
} else {
needComma = true;
}
}
sbuff.append(" } }");
return(sbuff.toString());
}
}
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