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KIE Execution Server Client
/*
* Copyright 2015 Red Hat, Inc. and/or its affiliates.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.kie.server.client.impl;
import java.io.IOException;
import java.io.UnsupportedEncodingException;
import java.net.MalformedURLException;
import java.net.URISyntaxException;
import java.net.URL;
import java.net.URLEncoder;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.UUID;
import javax.jms.Connection;
import javax.jms.ConnectionFactory;
import javax.jms.JMSException;
import javax.jms.MessageProducer;
import javax.jms.Queue;
import javax.jms.Session;
import javax.jms.TextMessage;
import javax.ws.rs.core.MediaType;
import javax.ws.rs.core.Response;
import javax.ws.rs.core.Response.Status;
import org.kie.server.api.KieServerConstants;
import org.kie.server.api.commands.CommandScript;
import org.kie.server.api.exception.KieServicesException;
import org.kie.server.api.exception.KieServicesHttpException;
import org.kie.server.api.jms.JMSConstants;
import org.kie.server.api.marshalling.Marshaller;
import org.kie.server.api.marshalling.MarshallerFactory;
import org.kie.server.api.marshalling.MarshallingException;
import org.kie.server.api.marshalling.MarshallingFormat;
import org.kie.server.api.model.ServiceResponse;
import org.kie.server.api.model.ServiceResponsesList;
import org.kie.server.client.KieServicesConfiguration;
import org.kie.server.client.balancer.LoadBalancer;
import org.kie.server.client.jms.ResponseHandler;
import org.kie.server.common.rest.KieServerHttpRequest;
import org.kie.server.common.rest.KieServerHttpRequestException;
import org.kie.server.common.rest.KieServerHttpResponse;
import org.kie.server.common.rest.NoEndpointFoundException;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import static org.kie.server.api.rest.RestURI.CONTAINER_ID;
import static org.kie.server.api.rest.RestURI.TASK_INSTANCE_ID;
import static org.kie.server.api.rest.RestURI.build;
public abstract class AbstractKieServicesClientImpl {
private static Logger logger = LoggerFactory.getLogger(AbstractKieServicesClientImpl.class);
protected static final Boolean BYPASS_AUTH_USER = Boolean.parseBoolean(System.getProperty(KieServerConstants.CFG_BYPASS_AUTH_USER, "false"));
protected LoadBalancer loadBalancer;
protected final KieServicesConfiguration config;
protected final Marshaller marshaller;
protected ClassLoader classLoader;
protected KieServicesClientImpl owner;
// used by JMS to handle response via different interaction patterns
private ResponseHandler responseHandler;
public AbstractKieServicesClientImpl(KieServicesConfiguration config) {
this.config = config.clone();
this.loadBalancer = config.getLoadBalancer() == null ? LoadBalancer.getDefault(config.getServerUrl()) : config.getLoadBalancer();
this.classLoader = Thread.currentThread().getContextClassLoader() != null ? Thread.currentThread().getContextClassLoader() : CommandScript.class.getClassLoader();
this.marshaller = MarshallerFactory.getMarshaller(config.getExtraClasses(), config.getMarshallingFormat(), classLoader);
this.responseHandler = config.getResponseHandler();
}
public AbstractKieServicesClientImpl(KieServicesConfiguration config, ClassLoader classLoader) {
this.config = config.clone();
this.loadBalancer = config.getLoadBalancer() == null ? LoadBalancer.getDefault(config.getServerUrl()) : config.getLoadBalancer();
this.classLoader = classLoader;
this.marshaller = MarshallerFactory.getMarshaller( config.getExtraClasses(), config.getMarshallingFormat(), classLoader );
this.responseHandler = config.getResponseHandler();
}
/**
* Initializes the URL that will be used for web service access
*
* @param url URL of the server instance
* @return An URL that can be used for the web services
*/
protected String initializeURI(URL url, String servicePrefix) {
if ( url == null ) {
throw new IllegalArgumentException( "The url may not be empty or null." );
}
try {
url.toURI();
} catch ( URISyntaxException urise ) {
throw new IllegalArgumentException(
"URL (" + url.toExternalForm() + ") is incorrectly formatted: " + urise.getMessage(), urise );
}
String urlString = url.toExternalForm();
if ( !urlString.endsWith( "/" ) ) {
urlString += "/";
}
urlString += "services/"+servicePrefix + "/server";
try {
new URL( urlString );
} catch ( MalformedURLException murle ) {
throw new IllegalArgumentException(
"URL (" + url.toExternalForm() + ") is incorrectly formatted: " + murle.getMessage(), murle );
}
return urlString;
}
public void setOwner(KieServicesClientImpl owner) {
this.owner = owner;
}
public LoadBalancer getLoadBalancer() {
return loadBalancer;
}
public ResponseHandler getResponseHandler() {
return responseHandler;
}
public void setResponseHandler(ResponseHandler responseHandler) {
if (config.getTransport() == KieServicesConfiguration.Transport.REST) {
throw new UnsupportedOperationException("Response handlers can only be configured for JMS client");
}
this.responseHandler = responseHandler;
}
protected void throwExceptionOnFailure(ServiceResponse serviceResponse) {
if (serviceResponse != null && ServiceResponse.ResponseType.FAILURE.equals(serviceResponse.getType())){
throw new KieServicesException(serviceResponse.getMsg());
}
}
protected boolean shouldReturnWithNullResponse(ServiceResponse serviceResponse) {
if (serviceResponse != null && ServiceResponse.ResponseType.NO_RESPONSE.equals(serviceResponse.getType())){
logger.debug("Returning null as the response type is NO_RESPONSE");
return true;
}
return false;
}
protected void sendTaskOperation(String containerId, Long taskId, String operation, String queryString) {
Map valuesMap = new HashMap();
valuesMap.put(CONTAINER_ID, containerId);
valuesMap.put(TASK_INSTANCE_ID, taskId);
makeHttpPutRequestAndCreateCustomResponse(
build(loadBalancer.getUrl(), operation, valuesMap) + queryString, null, String.class, getHeaders(null));
}
@SuppressWarnings("unchecked")
protected ServiceResponse makeHttpGetRequestAndCreateServiceResponse(String uri, Class resultType) {
logger.debug("About to send GET request to '{}'", uri);
KieServerHttpRequest request = invoke(uri, new RemoteHttpOperation(){
@Override
public KieServerHttpRequest doOperation(String url) {
return newRequest(url).get();
}
});
KieServerHttpResponse response = request.response();
owner.setConversationId(response.header(KieServerConstants.KIE_CONVERSATION_ID_TYPE_HEADER));
if ( response.code() == Response.Status.OK.getStatusCode() ) {
ServiceResponse serviceResponse = deserialize( response.body(), ServiceResponse.class );
checkResultType( serviceResponse, resultType );
return serviceResponse;
} else {
throw createExceptionForUnexpectedResponseCode( request, response );
}
}
protected T makeHttpGetRequestAndCreateCustomResponse(String uri, Class resultType) {
logger.debug("About to send GET request to '{}'", uri);
KieServerHttpRequest request = invoke(uri, new RemoteHttpOperation() {
@Override
public KieServerHttpRequest doOperation(String url) {
return newRequest(url).get();
}
});
KieServerHttpResponse response = request.response();
owner.setConversationId(response.header(KieServerConstants.KIE_CONVERSATION_ID_TYPE_HEADER));
if ( response.code() == Response.Status.OK.getStatusCode() ) {
return deserialize(response.body(), resultType);
} else {
throw createExceptionForUnexpectedResponseCode( request, response );
}
}
protected T makeHttpGetRequestAndCreateCustomResponseWithHandleNotFound(String uri, Class resultType) {
logger.debug("About to send GET request to '{}'", uri);
KieServerHttpRequest request = invoke(uri, new RemoteHttpOperation() {
@Override
public KieServerHttpRequest doOperation(String url) {
return newRequest(url).get();
}
});
KieServerHttpResponse response = request.response();
owner.setConversationId(response.header(KieServerConstants.KIE_CONVERSATION_ID_TYPE_HEADER));
if (response.code() == Response.Status.NOT_FOUND.getStatusCode()) {
return null;
}
if (response.code() == Response.Status.OK.getStatusCode()) {
return deserialize(response.body(), resultType);
} else {
throw createExceptionForUnexpectedResponseCode(request, response);
}
}
protected String makeHttpGetRequestAndCreateRawResponse(String uri) {
logger.debug("About to send GET request to '{}'", uri);
KieServerHttpRequest request = invoke(uri, new RemoteHttpOperation() {
@Override
public KieServerHttpRequest doOperation(String url) {
return newRequest(url).get();
}
});
KieServerHttpResponse response = request.response();
owner.setConversationId(response.header(KieServerConstants.KIE_CONVERSATION_ID_TYPE_HEADER));
if ( response.code() == Response.Status.OK.getStatusCode() ) {
return response.body();
} else {
throw createExceptionForUnexpectedResponseCode( request, response );
}
}
protected String makeHttpGetRequestAndCreateRawResponse(String uri, Map headers) {
logger.debug("About to send GET request to '{}'", uri);
KieServerHttpRequest request = invoke(uri, new RemoteHttpOperation(){
@Override
public KieServerHttpRequest doOperation(String url) {
return newRequest( uri ).headers(headers).get();
}
});
KieServerHttpResponse response = request.response();
owner.setConversationId(response.header(KieServerConstants.KIE_CONVERSATION_ID_TYPE_HEADER));
if ( response.code() == Response.Status.OK.getStatusCode() ) {
return response.body();
} else {
throw createExceptionForUnexpectedResponseCode( request, response );
}
}
protected ServiceResponse makeHttpPostRequestAndCreateServiceResponse(
String uri, Object bodyObject,
Class resultType) {
return makeHttpPostRequestAndCreateServiceResponse( uri, serialize( bodyObject ), resultType );
}
protected ServiceResponse makeHttpPostRequestAndCreateServiceResponse(
String uri, Object bodyObject,
Class resultType, Map headers) {
return makeHttpPostRequestAndCreateServiceResponse( uri, serialize( bodyObject ), resultType, headers );
}
protected ServiceResponse makeHttpPostRequestAndCreateServiceResponse(String uri,
Object bodyObject,
Class resultType,
Map headers,
Status status) {
return makeHttpPostRequestAndCreateServiceResponse(uri, serialize(bodyObject), resultType, headers, status);
}
protected ServiceResponse makeHttpPostRequestAndCreateServiceResponse(String uri, String body, Class resultType) {
return makeHttpPostRequestAndCreateServiceResponse( uri, body, resultType, new HashMap() );
}
@SuppressWarnings("unchecked")
protected ServiceResponse makeHttpPostRequestAndCreateServiceResponse(String uri, String body, Class resultType, Map headers) {
return makeHttpPostRequestAndCreateServiceResponse(uri, body, resultType, headers, Status.OK);
}
protected ServiceResponse makeHttpPostRequestAndCreateServiceResponse(String uri,
String body,
Class resultType,
Map headers,
Status status) {
logger.debug("About to send POST request to '{}' with payload '{}'", uri, body);
KieServerHttpRequest request = invoke(uri, new RemoteHttpOperation(){
@Override
public KieServerHttpRequest doOperation(String url) {
return newRequest( uri ).headers(headers).body(body).post();
}
});
KieServerHttpResponse response = request.response();
owner.setConversationId(response.header(KieServerConstants.KIE_CONVERSATION_ID_TYPE_HEADER));
if (response.code() == status.getStatusCode()) {
ServiceResponse serviceResponse = deserialize( response.body(), ServiceResponse.class );
checkResultType( serviceResponse, resultType );
return serviceResponse;
} else {
throw createExceptionForUnexpectedResponseCode( request, response );
}
}
protected T makeHttpPostRequestAndCreateCustomResponse(String uri, Object bodyObject, Class resultType, Map headers) {
return makeHttpPostRequestAndCreateCustomResponse(uri, serialize(bodyObject), resultType, headers);
}
protected T makeHttpPostRequestAndCreateCustomResponse(String uri, Object bodyObject, Class resultType) {
return makeHttpPostRequestAndCreateCustomResponse(uri, serialize(bodyObject), resultType, new HashMap() );
}
protected T makeHttpPostRequestAndCreateCustomResponse(String uri, String body, Class resultType, Map headers) {
logger.debug("About to send POST request to '{}' with payload '{}'", uri, body);
KieServerHttpRequest request = invoke(uri, new RemoteHttpOperation(){
@Override
public KieServerHttpRequest doOperation(String url) {
return newRequest(uri ).headers(headers).body(body).post();
}
});
KieServerHttpResponse response = request.response();
owner.setConversationId(response.header(KieServerConstants.KIE_CONVERSATION_ID_TYPE_HEADER));
if ( response.code() == Response.Status.OK.getStatusCode()
|| response.code() == Response.Status.CREATED.getStatusCode()) {
return deserialize( response.body(), resultType );
} else {
throw createExceptionForUnexpectedResponseCode( request, response );
}
}
protected ServiceResponse makeHttpPutRequestAndCreateServiceResponse(
String uri, Object bodyObject,
Class resultType) {
return makeHttpPutRequestAndCreateServiceResponse( uri, serialize( bodyObject ), resultType );
}
@SuppressWarnings("unchecked")
protected ServiceResponse makeHttpPutRequestAndCreateServiceResponse(String uri, String body, Class resultType) {
logger.debug("About to send PUT request to '{}' with payload '{}'", uri, body);
KieServerHttpRequest request = invoke(uri, new RemoteHttpOperation(){
@Override
public KieServerHttpRequest doOperation(String url) {
return newRequest(uri).body(body).put();
}
});
KieServerHttpResponse response = request.response();
owner.setConversationId(response.header(KieServerConstants.KIE_CONVERSATION_ID_TYPE_HEADER));
if ( response.code() == Response.Status.CREATED.getStatusCode() ||
response.code() == Response.Status.BAD_REQUEST.getStatusCode() ) {
ServiceResponse serviceResponse = deserialize( response.body(), ServiceResponse.class );
checkResultType( serviceResponse, resultType );
return serviceResponse;
} else {
throw createExceptionForUnexpectedResponseCode( request, response );
}
}
protected T makeHttpPutRequestAndCreateCustomResponse(
String uri, Object bodyObject,
Class resultType, Map headers) {
return makeHttpPutRequestAndCreateCustomResponse(uri, serialize(bodyObject), resultType, headers);
}
@SuppressWarnings("unchecked")
protected T makeHttpPutRequestAndCreateCustomResponse(String uri, String body, Class resultType, Map headers) {
logger.debug("About to send PUT request to '{}' with payload '{}'", uri, body);
KieServerHttpRequest request = invoke(uri, new RemoteHttpOperation(){
@Override
public KieServerHttpRequest doOperation(String url) {
return newRequest( uri ).headers(headers).body(body).put();
}
});
KieServerHttpResponse response = request.response();
owner.setConversationId(response.header(KieServerConstants.KIE_CONVERSATION_ID_TYPE_HEADER));
if ( response.code() == Response.Status.CREATED.getStatusCode() ) {
T serviceResponse = deserialize( response.body(), resultType );
return serviceResponse;
} else {
throw createExceptionForUnexpectedResponseCode( request, response );
}
}
@SuppressWarnings("unchecked")
protected ServiceResponse makeHttpDeleteRequestAndCreateServiceResponse(String uri, Class resultType) {
logger.debug("About to send DELETE request to '{}' ", uri);
KieServerHttpRequest request = invoke(uri, new RemoteHttpOperation(){
@Override
public KieServerHttpRequest doOperation(String url) {
return newRequest( uri ).delete();
}
});
KieServerHttpResponse response = request.response();
owner.setConversationId(response.header(KieServerConstants.KIE_CONVERSATION_ID_TYPE_HEADER));
if ( response.code() == Response.Status.OK.getStatusCode() ) {
ServiceResponse serviceResponse = deserialize( response.body(), ServiceResponse.class );
checkResultType( serviceResponse, resultType );
return serviceResponse;
} else {
throw createExceptionForUnexpectedResponseCode( request, response );
}
}
@SuppressWarnings("unchecked")
protected T makeHttpDeleteRequestAndCreateCustomResponse(String uri, Class resultType) {
logger.debug("About to send DELETE request to '{}' ", uri);
KieServerHttpRequest request = invoke(uri, new RemoteHttpOperation(){
@Override
public KieServerHttpRequest doOperation(String url) {
return newRequest( uri ).delete();
}
});
KieServerHttpResponse response = request.response();
owner.setConversationId(response.header(KieServerConstants.KIE_CONVERSATION_ID_TYPE_HEADER));
if ( response.code() == Response.Status.OK.getStatusCode() ||
response.code() == Response.Status.NO_CONTENT.getStatusCode() ) {
if (resultType == null) {
return null;
}
return deserialize( response.body(), resultType );
} else {
throw createExceptionForUnexpectedResponseCode( request, response );
}
}
protected KieServerHttpRequest newRequest(String uri) {
KieServerHttpRequest httpRequest =
KieServerHttpRequest.newRequest( uri ).followRedirects( true ).timeout( config.getTimeout() );
httpRequest.accept( getMediaType( config.getMarshallingFormat() ) );
httpRequest.header(KieServerConstants.KIE_CONTENT_TYPE_HEADER, config.getMarshallingFormat().toString());
if (config.getHeaders() != null) {
for (Map.Entry header : config.getHeaders().entrySet()) {
httpRequest.header(header.getKey(), header.getValue());
logger.debug("Adding additional header {} value {}", header.getKey(), header.getValue());
}
}
// apply authorization
if (config.getCredentialsProvider() != null) {
String authorization = config.getCredentialsProvider().getAuthorization();
// add authorization only when it's not empty to allow anonymous requests
if (authorization != null && !authorization.isEmpty()) {
httpRequest.header(config.getCredentialsProvider().getHeaderName(), authorization);
}
}
httpRequest.clientCertificate(config.getClientCertificate());
// apply conversationId
if (owner.getConversationId() != null) {
httpRequest.header(KieServerConstants.KIE_CONVERSATION_ID_TYPE_HEADER, owner.getConversationId());
}
return httpRequest;
}
/**
* Method to communicate with the backend via JMS.
*
* @param command The {@link org.kie.api.command.Command} object to be executed.
* @return The result of the {@link org.kie.api.command.Command} object execution.
*/
protected ServiceResponsesList executeJmsCommand( CommandScript command ) {
return executeJmsCommand(command, null);
}
protected ServiceResponsesList executeJmsCommand( CommandScript command, String classType ) {
return executeJmsCommand(command, classType, null, null);
}
protected ServiceResponsesList executeJmsCommand( CommandScript command, String classType, String targetCapability ) {
return executeJmsCommand(command, classType, targetCapability, null);
}
protected ServiceResponsesList executeJmsCommand( CommandScript command, String classType, String targetCapability, String containerId ) {
ConnectionFactory factory = config.getConnectionFactory();
Queue sendQueue = config.getRequestQueue();
Queue responseQueue = config.getResponseQueue();
Connection connection = null;
Session session = null;
ServiceResponsesList cmdResponse = null;
String corrId = UUID.randomUUID().toString();
String selector = "JMSCorrelationID = '" + corrId + "'";
try {
// setup
MessageProducer producer;
try {
if( config.getPassword() != null ) {
connection = factory.createConnection(config.getUserName(), config.getPassword());
} else {
connection = factory.createConnection();
}
session = connection.createSession(config.isJmsTransactional(), Session.AUTO_ACKNOWLEDGE);
producer = session.createProducer(sendQueue);
connection.start();
} catch( JMSException jmse ) {
throw new KieServicesException("Unable to setup a JMS connection.", jmse);
}
// Create msg
TextMessage textMsg;
try {
// serialize request
String xmlStr = marshaller.marshall( command );
logger.debug("Message content to be sent '{}'", xmlStr);
textMsg = session.createTextMessage(xmlStr);
// set properties
// 1. corr id
textMsg.setJMSCorrelationID(corrId);
// 2. serialization info
textMsg.setIntProperty( JMSConstants.SERIALIZATION_FORMAT_PROPERTY_NAME, config.getMarshallingFormat().getId() );
textMsg.setIntProperty( JMSConstants.INTERACTION_PATTERN_PROPERTY_NAME, responseHandler.getInteractionPattern() );
if (classType != null) {
textMsg.setStringProperty(JMSConstants.CLASS_TYPE_PROPERTY_NAME, classType);
}
if (targetCapability != null) {
textMsg.setStringProperty(JMSConstants.TARGET_CAPABILITY_PROPERTY_NAME, targetCapability);
}
textMsg.setStringProperty(JMSConstants.USER_PROPERTY_NAME, config.getUserName());
textMsg.setStringProperty(JMSConstants.PASSWRD_PROPERTY_NAME, config.getPassword());
if (containerId != null) {
textMsg.setStringProperty(JMSConstants.CONTAINER_ID_PROPERTY_NAME, containerId);
}
if (owner.getConversationId() != null) {
textMsg.setStringProperty(JMSConstants.CONVERSATION_ID_PROPERTY_NAME, owner.getConversationId());
}
if (config.getHeaders() != null) {
for (Map.Entry header : config.getHeaders().entrySet()) {
logger.debug("Adding additional property {} value {}", header.getKey(), header.getValue());
textMsg.setStringProperty(header.getKey(), header.getValue());
}
}
// send
producer.send(textMsg);
} catch( JMSException jmse ) {
throw new KieServicesException("Unable to send a JMS message.", jmse);
} finally {
if ( producer != null ) {
try {
producer.close();
} catch (JMSException jmse) {
logger.warn("Unable to close producer!", jmse);
}
}
}
// receive
cmdResponse = responseHandler.handleResponse(selector, connection, session, responseQueue, config, marshaller, owner);
return cmdResponse;
} finally {
responseHandler.dispose(connection, session);
}
}
protected String getMediaType( MarshallingFormat format ) {
switch ( format ) {
case JAXB: return MediaType.APPLICATION_XML;
case JSON: return MediaType.APPLICATION_JSON;
default: return MediaType.APPLICATION_XML;
}
}
protected String serialize(Object object) {
if (object == null) {
return "";
}
try {
return marshaller.marshall( object );
} catch ( MarshallingException e ) {
throw new KieServicesException( "Error while serializing request data!", e );
}
}
protected T deserialize(String content, Class type) {
logger.debug("About to deserialize content: \n '{}' \n into type: '{}'", content, type);
if (content == null || content.isEmpty()) {
return null;
}
try {
return marshaller.unmarshall(content, type);
} catch ( MarshallingException e ) {
throw new KieServicesException( "Error while deserializing data received from server!", e );
}
}
/**
* Checks whether the specified {@code ServiceResponse} contains the expected result type. In case the type is different,
* {@code KieServicesClientException} is thrown. This catches the errors early, before returning the result from the client.
* Without this check users could experience {@code ClassCastException} when retrieving the result that does not have
* the expected type.
*/
protected void checkResultType(ServiceResponse serviceResponse, Class expectedResultType) {
Object actualResult = serviceResponse.getResult();
if ( actualResult != null && !expectedResultType.isInstance( actualResult ) ) {
throw new KieServicesException(
"Error while creating service response! The actual result type " +
serviceResponse.getResult().getClass() + " does not match the expected type " + expectedResultType + "!" );
}
}
protected RuntimeException createExceptionForUnexpectedResponseCode(
KieServerHttpRequest request,
KieServerHttpResponse response) {
String summaryMessage = "Unexpected HTTP response code when requesting URI '" + request.getUri() + "'! Error code: " +
response.code() + ", message: " + response.body();
logger.debug( summaryMessage + ", response body: " + getMessage(response) );
return new KieServicesHttpException( summaryMessage, response.code(), request.getUri().toString(), response.body() );
}
protected String getMessage(KieServerHttpResponse response) {
try {
String body = response.body();
if (body != null && !body.isEmpty()) {
return body;
}
} catch (Exception e) {
logger.debug("Error when getting both of the response {}", e.getMessage());
}
return response.message();
}
protected String buildQueryString(String paramName, List items) {
StringBuilder builder = new StringBuilder("?");
for (Object o : items) {
builder.append(paramName).append("=").append(o).append("&");
}
builder.deleteCharAt(builder.length()-1);
return builder.toString();
}
protected Map getHeaders(Object object) {
Map headers = new HashMap();
if (object != null) {
headers.put(KieServerConstants.CLASS_TYPE_HEADER, object.getClass().getName());
}
return headers;
}
protected String getUserQueryStr(String userId, char prefix) {
if (BYPASS_AUTH_USER && userId != null) {
return prefix + "user=" + userId;
}
return "";
}
protected String getUserQueryStr(String userId) {
return getUserQueryStr(userId, '?');
}
protected String getUserAndPagingQueryString(String userId, Integer page, Integer pageSize) {
StringBuilder queryString = new StringBuilder(getUserQueryStr(userId));
if (queryString.length() == 0) {
queryString.append("?");
} else {
queryString.append("&");
}
queryString.append("page=" + page).append("&pageSize=" + pageSize);
return queryString.toString();
}
protected String getUserAndAdditionalParam(String userId, String name, String value) {
StringBuilder queryString = new StringBuilder(getUserQueryStr(userId));
if (queryString.length() == 0) {
queryString.append("?");
} else {
queryString.append("&");
}
queryString.append(name).append("=").append(value);
return queryString.toString();
}
protected String getUserAndAdditionalParams(String userId, String name, List values) {
StringBuilder queryString = new StringBuilder(getUserQueryStr(userId));
if (values != null) {
if (queryString.length() == 0) {
queryString.append("?");
} else {
queryString.append("&");
}
for (Object value : values) {
queryString.append(name).append("=").append(value).append("&");
}
queryString.deleteCharAt(queryString.length() - 1);
}
return queryString.toString();
}
protected String getPagingQueryString(String inQueryString, Integer page, Integer pageSize) {
StringBuilder queryString = new StringBuilder(inQueryString);
if (queryString.length() == 0) {
queryString.append("?");
} else {
queryString.append("&");
}
queryString.append("page=" + page).append("&pageSize=" + pageSize);
return queryString.toString();
}
protected String getSortingQueryString(String inQueryString, String sort, boolean sortOrder) {
StringBuilder queryString = new StringBuilder(inQueryString);
if (queryString.length() == 0) {
queryString.append("?");
} else {
queryString.append("&");
}
queryString.append("sort=" + sort).append("&sortOrder=" + sortOrder);
return queryString.toString();
}
protected String getAdditionalParams(String inQueryString, String name, List values) {
StringBuilder queryString = new StringBuilder(inQueryString);
if (values != null) {
if (queryString.length() == 0) {
queryString.append("?");
} else {
queryString.append("&");
}
for (Object value : values) {
queryString.append(name).append("=").append(value).append("&");
}
queryString.deleteCharAt(queryString.length() - 1);
}
return queryString.toString();
}
protected Map safeMap(Map map) {
if (map == null) {
return new HashMap();
}
return new HashMap(map);
}
protected List safeList(List list) {
if (list == null) {
return new ArrayList © 2015 - 2024 Weber Informatics LLC | Privacy Policy