@Lazy
@Bean(name = "sql-stored-component")
@ConditionalOnClass(CamelContext.class)
@ConditionalOnMissingBean(SqlStoredComponent.class)
public SqlStoredComponent configureSqlStoredComponent(
CamelContext camelContext, SqlStoredComponentConfiguration configuration) throws Exception {
SqlStoredComponent component = new SqlStoredComponent();
component.setCamelContext(camelContext);
Map<String, Object> parameters = new HashMap<>();
IntrospectionSupport.getProperties(configuration, parameters, null, false);
for (Map.Entry<String, Object> entry : parameters.entrySet()) {
Object value = entry.getValue();
Class<?> paramClass = value.getClass();
if (paramClass.getName().endsWith("NestedConfiguration")) {
Class nestedClass = null;
try {
nestedClass = (Class) paramClass.getDeclaredField("CAMEL_NESTED_CLASS").get(null);
HashMap<String, Object> nestedParameters = new HashMap<>();
IntrospectionSupport.getProperties(value, nestedParameters, null, false);
Object nestedProperty = nestedClass.newInstance();
IntrospectionSupport.setProperties(
camelContext, camelContext.getTypeConverter(), nestedProperty, nestedParameters);
entry.setValue(nestedProperty);
} catch (NoSuchFieldException e) {
}
}
}
IntrospectionSupport.setProperties(
camelContext, camelContext.getTypeConverter(), component, parameters);
return component;
}
/**
* Create the {@link Message}
*
* @return jmsMessage or null if the mapping was not successfully
*/
protected Message createJmsMessageForType(
Exchange exchange,
Object body,
Map<String, Object> headers,
Session session,
CamelContext context,
JmsMessageType type)
throws JMSException {
switch (type) {
case Text:
{
TextMessage message = session.createTextMessage();
if (body != null) {
String payload = context.getTypeConverter().convertTo(String.class, exchange, body);
message.setText(payload);
}
return message;
}
case Bytes:
{
BytesMessage message = session.createBytesMessage();
if (body != null) {
byte[] payload = context.getTypeConverter().convertTo(byte[].class, exchange, body);
message.writeBytes(payload);
}
return message;
}
case Map:
{
MapMessage message = session.createMapMessage();
if (body != null) {
Map<?, ?> payload = context.getTypeConverter().convertTo(Map.class, exchange, body);
populateMapMessage(message, payload, context);
}
return message;
}
case Object:
ObjectMessage message = session.createObjectMessage();
if (body != null) {
try {
Serializable payload =
context.getTypeConverter().mandatoryConvertTo(Serializable.class, exchange, body);
message.setObject(payload);
} catch (NoTypeConversionAvailableException e) {
// cannot convert to serializable then thrown an exception to avoid sending a null
// message
JMSException cause = new MessageFormatException(e.getMessage());
cause.initCause(e);
throw cause;
}
}
return message;
default:
break;
}
return null;
}
public <T> T getIn(Class<T> type) {
Message in = getIn();
// eager same instance type test to avoid the overhead of invoking the type converter
// if already same type
if (type.isInstance(in)) {
return type.cast(in);
}
// fallback to use type converter
return context.getTypeConverter().convertTo(type, this, in);
}
@Bean(name = "xquery-component")
@ConditionalOnClass(CamelContext.class)
@ConditionalOnMissingBean(XQueryComponent.class)
public XQueryComponent configureXQueryComponent(
CamelContext camelContext, XQueryComponentConfiguration configuration) throws Exception {
XQueryComponent component = new XQueryComponent();
component.setCamelContext(camelContext);
Map<String, Object> parameters = new HashMap<>();
IntrospectionSupport.getProperties(configuration, parameters, null, false);
IntrospectionSupport.setProperties(
camelContext, camelContext.getTypeConverter(), component, parameters);
return component;
}
@Bean
@ConditionalOnClass(CamelContext.class)
@ConditionalOnMissingBean(GsonDataFormat.class)
public GsonDataFormat configureGsonDataFormat(
CamelContext camelContext, GsonDataFormatConfiguration configuration) throws Exception {
GsonDataFormat dataformat = new GsonDataFormat();
if (dataformat instanceof CamelContextAware) {
((CamelContextAware) dataformat).setCamelContext(camelContext);
}
Map<String, Object> parameters = new HashMap<>();
IntrospectionSupport.getProperties(configuration, parameters, null, false);
IntrospectionSupport.setProperties(
camelContext, camelContext.getTypeConverter(), dataformat, parameters);
return dataformat;
}
@Bean(name = "jsonpath-language")
@ConditionalOnClass(CamelContext.class)
@ConditionalOnMissingBean(JsonPathLanguage.class)
public JsonPathLanguage configureJsonPathLanguage(
CamelContext camelContext, JsonPathLanguageConfiguration configuration) throws Exception {
JsonPathLanguage language = new JsonPathLanguage();
if (language instanceof CamelContextAware) {
((CamelContextAware) language).setCamelContext(camelContext);
}
Map<String, Object> parameters = new HashMap<>();
IntrospectionSupport.getProperties(configuration, parameters, null, false);
IntrospectionSupport.setProperties(
camelContext, camelContext.getTypeConverter(), language, parameters);
return language;
}
public void testLoadClasspathAsUrl() throws Exception {
CamelContext context = new DefaultCamelContext();
context.start();
URL url =
ResourceHelper.resolveMandatoryResourceAsUrl(
context.getClassResolver(), "classpath:log4j2.properties");
assertNotNull(url);
String text = context.getTypeConverter().convertTo(String.class, url);
assertNotNull(text);
assertTrue(text.contains("log4j"));
context.stop();
}
public void testLoadClasspathDefault() throws Exception {
CamelContext context = new DefaultCamelContext();
context.start();
InputStream is =
ResourceHelper.resolveMandatoryResourceAsInputStream(context, "log4j2.properties");
assertNotNull(is);
String text = context.getTypeConverter().convertTo(String.class, is);
assertNotNull(text);
assertTrue(text.contains("log4j"));
is.close();
context.stop();
}
public <T> T getOut(Class<T> type) {
if (!hasOut()) {
return null;
}
Message out = getOut();
// eager same instance type test to avoid the overhead of invoking the type converter
// if already same type
if (type.isInstance(out)) {
return type.cast(out);
}
// fallback to use type converter
return context.getTypeConverter().convertTo(type, this, out);
}
public void testLoadRegistry() throws Exception {
SimpleRegistry registry = new SimpleRegistry();
registry.put("myBean", "This is a log4j logging configuation file");
CamelContext context = new DefaultCamelContext(registry);
context.start();
InputStream is = ResourceHelper.resolveMandatoryResourceAsInputStream(context, "ref:myBean");
assertNotNull(is);
String text = context.getTypeConverter().convertTo(String.class, is);
assertNotNull(text);
assertTrue(text.contains("log4j"));
is.close();
context.stop();
}
@Bean(name = "pgp-dataformat")
@Scope("prototype")
@ConditionalOnClass(CamelContext.class)
@ConditionalOnMissingBean(PGPDataFormat.class)
public PGPDataFormat configurePGPDataFormat(
CamelContext camelContext, PGPDataFormatConfiguration configuration) throws Exception {
PGPDataFormat dataformat = new PGPDataFormat();
if (CamelContextAware.class.isAssignableFrom(PGPDataFormat.class)) {
CamelContextAware contextAware = CamelContextAware.class.cast(dataformat);
if (contextAware != null) {
contextAware.setCamelContext(camelContext);
}
}
Map<String, Object> parameters = new HashMap<>();
IntrospectionSupport.getProperties(configuration, parameters, null, false);
IntrospectionSupport.setProperties(
camelContext, camelContext.getTypeConverter(), dataformat, parameters);
return dataformat;
}
@Bean(name = "ognl-language")
@Scope("prototype")
@ConditionalOnClass(CamelContext.class)
@ConditionalOnMissingBean(OgnlLanguage.class)
public OgnlLanguage configureOgnlLanguage(
CamelContext camelContext, OgnlLanguageConfiguration configuration) throws Exception {
OgnlLanguage language = new OgnlLanguage();
if (CamelContextAware.class.isAssignableFrom(OgnlLanguage.class)) {
CamelContextAware contextAware = CamelContextAware.class.cast(language);
if (contextAware != null) {
contextAware.setCamelContext(camelContext);
}
}
Map<String, Object> parameters = new HashMap<>();
IntrospectionSupport.getProperties(configuration, parameters, null, false);
IntrospectionSupport.setProperties(
camelContext, camelContext.getTypeConverter(), language, parameters);
return language;
}
public void testLoadFileWithSpace() throws Exception {
CamelContext context = new DefaultCamelContext();
context.start();
createDirectory("target/my space");
FileUtil.copyFile(
new File("src/test/resources/log4j2.properties"),
new File("target/my space/log4j2.properties"));
InputStream is =
ResourceHelper.resolveMandatoryResourceAsInputStream(
context, "file:target/my%20space/log4j2.properties");
assertNotNull(is);
String text = context.getTypeConverter().convertTo(String.class, is);
assertNotNull(text);
assertTrue(text.contains("log4j"));
is.close();
context.stop();
}
protected Message createJmsMessage(
Exchange exchange,
Object body,
Map<String, Object> headers,
Session session,
CamelContext context)
throws JMSException {
JmsMessageType type = null;
// special for transferExchange
if (endpoint != null && endpoint.isTransferExchange()) {
LOG.trace("Option transferExchange=true so we use JmsMessageType: Object");
Serializable holder = DefaultExchangeHolder.marshal(exchange);
Message answer = session.createObjectMessage(holder);
// ensure default delivery mode is used by default
answer.setJMSDeliveryMode(Message.DEFAULT_DELIVERY_MODE);
return answer;
}
// use a custom message converter
if (endpoint != null && endpoint.getMessageConverter() != null) {
if (LOG.isTraceEnabled()) {
LOG.trace(
"Creating JmsMessage using a custom MessageConverter: {} with body: {}",
endpoint.getMessageConverter(),
body);
}
return endpoint.getMessageConverter().toMessage(body, session);
}
// check if header have a type set, if so we force to use it
if (headers.containsKey(JmsConstants.JMS_MESSAGE_TYPE)) {
type =
context
.getTypeConverter()
.convertTo(JmsMessageType.class, headers.get(JmsConstants.JMS_MESSAGE_TYPE));
} else if (endpoint != null && endpoint.getConfiguration().getJmsMessageType() != null) {
// force a specific type from the endpoint configuration
type = endpoint.getConfiguration().getJmsMessageType();
} else {
type = getJMSMessageTypeForBody(exchange, body, headers, session, context);
}
// create the JmsMessage based on the type
if (type != null) {
if (body == null && (endpoint != null && !endpoint.getConfiguration().isAllowNullBody())) {
throw new JMSException(
"Cannot send message as message body is null, and option allowNullBody is false.");
}
LOG.trace("Using JmsMessageType: {}", type);
Message answer = createJmsMessageForType(exchange, body, headers, session, context, type);
// ensure default delivery mode is used by default
answer.setJMSDeliveryMode(Message.DEFAULT_DELIVERY_MODE);
return answer;
}
// check for null body
if (body == null && (endpoint != null && !endpoint.getConfiguration().isAllowNullBody())) {
throw new JMSException(
"Cannot send message as message body is null, and option allowNullBody is false.");
}
// warn if the body could not be mapped
if (body != null && LOG.isWarnEnabled()) {
LOG.warn(
"Cannot determine specific JmsMessage type to use from body class."
+ " Will use generic JmsMessage."
+ " Body class: "
+ ObjectHelper.classCanonicalName(body)
+ ". If you want to send a POJO then your class might need to implement java.io.Serializable"
+ ", or you can force a specific type by setting the jmsMessageType option on the JMS endpoint.");
}
// return a default message
Message answer = session.createMessage();
// ensure default delivery mode is used by default
answer.setJMSDeliveryMode(Message.DEFAULT_DELIVERY_MODE);
return answer;
}
