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Posted to commits@camel.apache.org by lb...@apache.org on 2016/09/08 15:42:02 UTC
[2/4] camel git commit: CAMEL-7831: create a java8 only demo showing
how to use lambda expressions for Predicate / Expression inside the Java DSL
(using Message as a typesafe parameter)
CAMEL-7831: create a java8 only demo showing how to use lambda expressions for Predicate / Expression inside the Java DSL (using Message as a typesafe parameter)
Project: http://git-wip-us.apache.org/repos/asf/camel/repo
Commit: http://git-wip-us.apache.org/repos/asf/camel/commit/f7e603ac
Tree: http://git-wip-us.apache.org/repos/asf/camel/tree/f7e603ac
Diff: http://git-wip-us.apache.org/repos/asf/camel/diff/f7e603ac
Branch: refs/heads/master
Commit: f7e603ac38880a9cb399177474d7d0a6d940765e
Parents: 69744b3
Author: lburgazzoli <lb...@gmail.com>
Authored: Mon Sep 5 18:02:43 2016 +0200
Committer: lburgazzoli <lb...@gmail.com>
Committed: Thu Sep 8 15:55:11 2016 +0200
----------------------------------------------------------------------
.../apache/camel/builder/ExpressionBuilder.java | 141 ++++++++++++++-
.../apache/camel/builder/ExpressionClause.java | 174 ++++++++++++++++++-
.../camel/builder/ExpressionBuilderTest.java | 11 ++
.../camel/builder/ExpressionFunctionTest.java | 67 +++++++
examples/camel-example-dsl-java8/pom.xml | 87 ++++++++++
.../camel/example/dsl/java8/MyApplication.java | 35 ++++
.../apache/camel/example/dsl/java8/MyRoute.java | 63 +++++++
.../src/main/resources/log4j2.properties | 23 +++
examples/pom.xml | 1 +
9 files changed, 600 insertions(+), 2 deletions(-)
----------------------------------------------------------------------
http://git-wip-us.apache.org/repos/asf/camel/blob/f7e603ac/camel-core/src/main/java/org/apache/camel/builder/ExpressionBuilder.java
----------------------------------------------------------------------
diff --git a/camel-core/src/main/java/org/apache/camel/builder/ExpressionBuilder.java b/camel-core/src/main/java/org/apache/camel/builder/ExpressionBuilder.java
index d80306a..a138271 100644
--- a/camel-core/src/main/java/org/apache/camel/builder/ExpressionBuilder.java
+++ b/camel-core/src/main/java/org/apache/camel/builder/ExpressionBuilder.java
@@ -25,10 +25,13 @@ import java.util.Comparator;
import java.util.Date;
import java.util.Iterator;
import java.util.List;
+import java.util.Map;
import java.util.Random;
import java.util.Scanner;
import java.util.Set;
import java.util.concurrent.atomic.AtomicReference;
+import java.util.function.BiFunction;
+import java.util.function.Function;
import java.util.regex.Pattern;
import org.apache.camel.CamelContext;
@@ -80,7 +83,7 @@ public final class ExpressionBuilder {
private ExpressionBuilder() {
}
- /**
+ /**
* Returns an expression for the inbound message attachments
*
* @return an expression object which will return the inbound message attachments
@@ -893,6 +896,80 @@ public final class ExpressionBuilder {
}
/**
+ * Returns a functional expression for the exchanges inbound message body
+ */
+ public static Expression bodyExpression(final Function<Object, Object> function) {
+ return new ExpressionAdapter() {
+ public Object evaluate(Exchange exchange) {
+ return function.apply(
+ exchange.getIn().getBody()
+ );
+ }
+
+ @Override
+ public String toString() {
+ return "bodyExpression";
+ }
+ };
+ }
+
+ /**
+ * Returns a functional expression for the exchanges inbound message body and headers
+ */
+ public static Expression bodyExpression(final BiFunction<Object, Map<String, Object>, Object> function) {
+ return new ExpressionAdapter() {
+ public Object evaluate(Exchange exchange) {
+ return function.apply(
+ exchange.getIn().getBody(),
+ exchange.getIn().getHeaders()
+ );
+ }
+
+ @Override
+ public String toString() {
+ return "bodyExpression";
+ }
+ };
+ }
+
+ /**
+ * Returns a functional expression for the exchanges inbound message body converted to a desired type
+ */
+ public static <T> Expression bodyExpression(final Class<T> bodyType, final Function<T, Object> function) {
+ return new ExpressionAdapter() {
+ public Object evaluate(Exchange exchange) {
+ return function.apply(
+ exchange.getIn().getBody(bodyType)
+ );
+ }
+
+ @Override
+ public String toString() {
+ return "bodyExpression (" + bodyType + ")";
+ }
+ };
+ }
+
+ /**
+ * Returns a functional expression for the exchanges inbound message body converted to a desired type and headers
+ */
+ public static <T> Expression bodyExpression(final Class<T> bodyType, final BiFunction<T, Map<String, Object>, Object> function) {
+ return new ExpressionAdapter() {
+ public Object evaluate(Exchange exchange) {
+ return function.apply(
+ exchange.getIn().getBody(bodyType),
+ exchange.getIn().getHeaders()
+ );
+ }
+
+ @Override
+ public String toString() {
+ return "bodyExpression (" + bodyType + ")";
+ }
+ };
+ }
+
+ /**
* Returns the expression for the exchanges inbound message body invoking methods defined
* in a simple OGNL notation
*
@@ -1319,6 +1396,36 @@ public final class ExpressionBuilder {
}
/**
+ * Returns a functional expression for the exchange
+ */
+ public static Expression exchangeExpression(final Function<Exchange, Object> function) {
+ return new ExpressionAdapter() {
+ public Object evaluate(Exchange exchange) {
+ return function.apply(exchange);
+ }
+
+ @Override
+ public String toString() {
+ return "exchangeExpression";
+ }
+ };
+ }
+
+ /**
+ * Returns the expression for the IN message
+ */
+ public static Expression messageExpression() {
+ return inMessageExpression();
+ }
+
+ /**
+ * Returns a functional expression for the IN message
+ */
+ public static Expression messageExpression(final Function<Message, Object> function) {
+ return inMessageExpression(function);
+ }
+
+ /**
* Returns the expression for the IN message
*/
public static Expression inMessageExpression() {
@@ -1335,6 +1442,22 @@ public final class ExpressionBuilder {
}
/**
+ * Returns a functional expression for the IN message
+ */
+ public static Expression inMessageExpression(final Function<Message, Object> function) {
+ return new ExpressionAdapter() {
+ public Object evaluate(Exchange exchange) {
+ return function.apply(exchange.getIn());
+ }
+
+ @Override
+ public String toString() {
+ return "inMessageExpression";
+ }
+ };
+ }
+
+ /**
* Returns the expression for the OUT message
*/
public static Expression outMessageExpression() {
@@ -1351,6 +1474,22 @@ public final class ExpressionBuilder {
}
/**
+ * Returns a functional expression for the OUT message
+ */
+ public static Expression outMessageExpression(final Function<Message, Object> function) {
+ return new ExpressionAdapter() {
+ public Object evaluate(Exchange exchange) {
+ return function.apply(exchange.getOut());
+ }
+
+ @Override
+ public String toString() {
+ return "outMessageExpression";
+ }
+ };
+ }
+
+ /**
* Returns an expression which converts the given expression to the given type
*/
public static Expression convertToExpression(final Expression expression, final Class<?> type) {
http://git-wip-us.apache.org/repos/asf/camel/blob/f7e603ac/camel-core/src/main/java/org/apache/camel/builder/ExpressionClause.java
----------------------------------------------------------------------
diff --git a/camel-core/src/main/java/org/apache/camel/builder/ExpressionClause.java b/camel-core/src/main/java/org/apache/camel/builder/ExpressionClause.java
index 3a73651..8da22c8 100644
--- a/camel-core/src/main/java/org/apache/camel/builder/ExpressionClause.java
+++ b/camel-core/src/main/java/org/apache/camel/builder/ExpressionClause.java
@@ -17,11 +17,16 @@
package org.apache.camel.builder;
import java.util.Map;
+import java.util.function.BiFunction;
+import java.util.function.Function;
+import org.apache.camel.Exchange;
import org.apache.camel.Expression;
+import org.apache.camel.Message;
import org.apache.camel.builder.xml.Namespaces;
import org.apache.camel.model.ExpressionNode;
import org.apache.camel.model.language.ExpressionDefinition;
+import org.apache.camel.support.ExpressionAdapter;
/**
* Represents an expression clause within the DSL which when the expression is
@@ -67,6 +72,35 @@ public class ExpressionClause<T> extends ExpressionDefinition {
}
/**
+ * A functional expression of the exchange
+ *
+ * Note: this is experimental and subject to changes in future releases.
+ */
+ public T exchange(final Function<Exchange, Object> function) {
+ return delegate.expression(new ExpressionAdapter() {
+ public Object evaluate(Exchange exchange) {
+ return function.apply(exchange);
+ }
+ });
+ }
+
+ /**
+ * An expression of an inbound message
+ */
+ public T message() {
+ return inMessage();
+ }
+
+ /**
+ * A functional expression of an inbound message
+ *
+ * Note: this is experimental and subject to changes in future releases.
+ */
+ public T message(final Function<Message, Object> function) {
+ return inMessage(function);
+ }
+
+ /**
* An expression of an inbound message
*/
public T inMessage() {
@@ -74,13 +108,39 @@ public class ExpressionClause<T> extends ExpressionDefinition {
}
/**
- * An expression of an inbound message
+ * A functional expression of an inbound message
+ *
+ * Note: this is experimental and subject to changes in future releases.
+ */
+ public T inMessage(final Function<Message, Object> function) {
+ return delegate.expression(new ExpressionAdapter() {
+ public Object evaluate(Exchange exchange) {
+ return function.apply(exchange.getIn());
+ }
+ });
+ }
+
+ /**
+ * An expression of an outbound message
*/
public T outMessage() {
return delegate.outMessage();
}
/**
+ * A functional expression of an outbound message
+ *
+ * Note: this is experimental and subject to changes in future releases.
+ */
+ public T outMessage(final Function<Message, Object> function) {
+ return delegate.expression(new ExpressionAdapter() {
+ public Object evaluate(Exchange exchange) {
+ return function.apply(exchange.getOut());
+ }
+ });
+ }
+
+ /**
* An expression of an inbound message body
*/
public T body() {
@@ -88,6 +148,34 @@ public class ExpressionClause<T> extends ExpressionDefinition {
}
/**
+ * A functional expression of an inbound message body
+ *
+ * Note: this is experimental and subject to changes in future releases.
+ */
+ public T body(final Function<Object, Object> function) {
+ return delegate.expression(new ExpressionAdapter() {
+ public Object evaluate(Exchange exchange) {
+ return function.apply(exchange.getIn().getBody());
+ }
+ });
+ }
+
+ /**
+ * A functional expression of an inbound message body and headers
+ *
+ * Note: this is experimental and subject to changes in future releases.
+ */
+ public T body(final BiFunction<Object, Map<String, Object>, Object> function) {
+ return delegate.expression(new ExpressionAdapter() {
+ public Object evaluate(Exchange exchange) {
+ return function.apply(
+ exchange.getIn().getBody(),
+ exchange.getIn().getHeaders());
+ }
+ });
+ }
+
+ /**
* An expression of an inbound message body converted to the expected type
*/
public T body(Class<?> expectedType) {
@@ -95,6 +183,34 @@ public class ExpressionClause<T> extends ExpressionDefinition {
}
/**
+ * A functional expression of an inbound message body converted to the expected type
+ *
+ * Note: this is experimental and subject to changes in future releases.
+ */
+ public <B> T body(Class<B> expectedType, final Function<B, Object> function) {
+ return delegate.expression(new ExpressionAdapter() {
+ public Object evaluate(Exchange exchange) {
+ return function.apply(exchange.getIn().getBody(expectedType));
+ }
+ });
+ }
+
+ /**
+ * A functional expression of an inbound message body converted to the expected type and headers
+ *
+ * Note: this is experimental and subject to changes in future releases.
+ */
+ public <B> T body(Class<B> expectedType, final BiFunction<B, Map<String, Object>, Object> function) {
+ return delegate.expression(new ExpressionAdapter() {
+ public Object evaluate(Exchange exchange) {
+ return function.apply(
+ exchange.getIn().getBody(expectedType),
+ exchange.getIn().getHeaders());
+ }
+ });
+ }
+
+ /**
* An expression of an outbound message body
*/
public T outBody() {
@@ -102,6 +218,34 @@ public class ExpressionClause<T> extends ExpressionDefinition {
}
/**
+ * A functional expression of an outbound message body
+ *
+ * Note: this is experimental and subject to changes in future releases.
+ */
+ public T outBody(final Function<Object, Object> function) {
+ return delegate.expression(new ExpressionAdapter() {
+ public Object evaluate(Exchange exchange) {
+ return function.apply(exchange.getOut().getBody());
+ }
+ });
+ }
+
+ /**
+ * A functional expression of an outbound message body and headers
+ *
+ * Note: this is experimental and subject to changes in future releases.
+ */
+ public T outBody(final BiFunction<Object, Map<String, Object>, Object> function) {
+ return delegate.expression(new ExpressionAdapter() {
+ public Object evaluate(Exchange exchange) {
+ return function.apply(
+ exchange.getOut().getBody(),
+ exchange.getOut().getHeaders());
+ }
+ });
+ }
+
+ /**
* An expression of an outbound message body converted to the expected type
*/
public T outBody(Class<?> expectedType) {
@@ -109,6 +253,34 @@ public class ExpressionClause<T> extends ExpressionDefinition {
}
/**
+ * A functional expression of an outbound message body converted to the expected type
+ *
+ * Note: this is experimental and subject to changes in future releases.
+ */
+ public <B> T outBody(Class<B> expectedType, final Function<B, Object> function) {
+ return delegate.expression(new ExpressionAdapter() {
+ public Object evaluate(Exchange exchange) {
+ return function.apply(exchange.getOut().getBody(expectedType));
+ }
+ });
+ }
+
+ /**
+ * A functional expression of an outbound message body converted to the expected type and headers
+ *
+ * Note: this is experimental and subject to changes in future releases.
+ */
+ public <B> T outBody(Class<B> expectedType, final BiFunction<B, Map<String, Object>, Object> function) {
+ return delegate.expression(new ExpressionAdapter() {
+ public Object evaluate(Exchange exchange) {
+ return function.apply(
+ exchange.getOut().getBody(expectedType),
+ exchange.getOut().getHeaders());
+ }
+ });
+ }
+
+ /**
* An expression of an inbound message header of the given name
*/
public T header(String name) {
http://git-wip-us.apache.org/repos/asf/camel/blob/f7e603ac/camel-core/src/test/java/org/apache/camel/builder/ExpressionBuilderTest.java
----------------------------------------------------------------------
diff --git a/camel-core/src/test/java/org/apache/camel/builder/ExpressionBuilderTest.java b/camel-core/src/test/java/org/apache/camel/builder/ExpressionBuilderTest.java
index ac4a16e..3cefd46 100644
--- a/camel-core/src/test/java/org/apache/camel/builder/ExpressionBuilderTest.java
+++ b/camel-core/src/test/java/org/apache/camel/builder/ExpressionBuilderTest.java
@@ -110,6 +110,17 @@ public class ExpressionBuilderTest extends TestSupport {
assertEquals("Hello there!", parseSimpleOrFallbackToConstantExpression("$simple{body}", camelContext).evaluate(exchange, String.class));
}
+ public void testFunction() throws Exception {
+ assertExpression(
+ messageExpression(m -> m.getExchange().getIn().getHeader("name")),
+ exchange,
+ "James");
+ assertExpression(
+ messageExpression(m -> m.getHeader("name")),
+ exchange,
+ "James");
+ }
+
@Override
protected void setUp() throws Exception {
super.setUp();
http://git-wip-us.apache.org/repos/asf/camel/blob/f7e603ac/camel-core/src/test/java/org/apache/camel/builder/ExpressionFunctionTest.java
----------------------------------------------------------------------
diff --git a/camel-core/src/test/java/org/apache/camel/builder/ExpressionFunctionTest.java b/camel-core/src/test/java/org/apache/camel/builder/ExpressionFunctionTest.java
new file mode 100644
index 0000000..2cdae6c
--- /dev/null
+++ b/camel-core/src/test/java/org/apache/camel/builder/ExpressionFunctionTest.java
@@ -0,0 +1,67 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * 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.apache.camel.builder;
+
+import org.apache.camel.ContextTestSupport;
+import org.apache.camel.component.mock.MockEndpoint;
+
+import static org.apache.camel.builder.ExpressionBuilder.messageExpression;
+
+/**
+ * @version
+ */
+public class ExpressionFunctionTest extends ContextTestSupport {
+
+ public void testTransform() throws Exception {
+ MockEndpoint functionMock = getMockEndpoint("mock:function");
+ functionMock.expectedMessageCount(1);
+ functionMock.expectedBodyReceived().constant("function");
+
+ MockEndpoint inFunctionMock = getMockEndpoint("mock:inFunction");
+ inFunctionMock.expectedMessageCount(1);
+ inFunctionMock.expectedBodyReceived().constant("inFunction");
+
+ MockEndpoint inFunction2Mock = getMockEndpoint("mock:inFunction2");
+ inFunction2Mock.expectedMessageCount(1);
+ inFunction2Mock.expectedBodyReceived().constant("inFunction2");
+
+ template.sendBodyAndHeader("direct:function", "Hello World", "type", "function");
+ template.sendBodyAndHeader("direct:inFunction", "Hello World", "type", "inFunction");
+ template.sendBodyAndHeader("direct:inFunction2", "Hello World", "type", "inFunction2");
+
+ assertMockEndpointsSatisfied();
+ }
+
+ @Override
+ protected RouteBuilder createRouteBuilder() throws Exception {
+ return new RouteBuilder() {
+ @Override
+ public void configure() throws Exception {
+ from("direct:function")
+ .transform().message(m -> m.getExchange().getIn().getHeader("type"))
+ .to("mock:function");
+ from("direct:inFunction")
+ .transform().message(m -> m.getHeader("type"))
+ .to("mock:inFunction");
+ from("direct:inFunction2")
+ .transform(messageExpression(m -> m.getHeader("type")))
+ .to("mock:inFunction2");
+ }
+ };
+ }
+}
http://git-wip-us.apache.org/repos/asf/camel/blob/f7e603ac/examples/camel-example-dsl-java8/pom.xml
----------------------------------------------------------------------
diff --git a/examples/camel-example-dsl-java8/pom.xml b/examples/camel-example-dsl-java8/pom.xml
new file mode 100644
index 0000000..417bd1d
--- /dev/null
+++ b/examples/camel-example-dsl-java8/pom.xml
@@ -0,0 +1,87 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+ Licensed to the Apache Software Foundation (ASF) under one or more
+ contributor license agreements. See the NOTICE file distributed with
+ this work for additional information regarding copyright ownership.
+ The ASF licenses this file to You under the Apache License, Version 2.0
+ (the "License"); you may not use this file except in compliance with
+ the License. You may obtain a copy of the License at
+
+ 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.
+-->
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+ xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
+
+ <modelVersion>4.0.0</modelVersion>
+
+ <parent>
+ <groupId>org.apache.camel</groupId>
+ <artifactId>examples</artifactId>
+ <version>2.18.0-SNAPSHOT</version>
+ </parent>
+
+ <artifactId>camel-example-dsl-java8</artifactId>
+ <packaging>jar</packaging>
+ <name>Camel :: Example :: DSL :: Java8 :: Spring JavaConfig</name>
+ <description>An example for showing Camel Spring JavaConfig DSL for Java 8</description>
+
+ <dependencies>
+
+ <dependency>
+ <groupId>org.apache.camel</groupId>
+ <artifactId>camel-core</artifactId>
+ </dependency>
+ <dependency>
+ <groupId>org.apache.camel</groupId>
+ <artifactId>camel-spring</artifactId>
+ </dependency>
+ <dependency>
+ <groupId>org.apache.camel</groupId>
+ <artifactId>camel-spring-javaconfig</artifactId>
+ </dependency>
+
+ <!-- logging -->
+ <dependency>
+ <groupId>org.apache.logging.log4j</groupId>
+ <artifactId>log4j-api</artifactId>
+ <scope>runtime</scope>
+ </dependency>
+ <dependency>
+ <groupId>org.apache.logging.log4j</groupId>
+ <artifactId>log4j-core</artifactId>
+ <scope>runtime</scope>
+ </dependency>
+ <dependency>
+ <groupId>org.apache.logging.log4j</groupId>
+ <artifactId>log4j-slf4j-impl</artifactId>
+ <scope>runtime</scope>
+ </dependency>
+ <dependency>
+ <groupId>org.apache.logging.log4j</groupId>
+ <artifactId>log4j-jul</artifactId>
+ <scope>runtime</scope>
+ </dependency>
+
+ </dependencies>
+
+ <build>
+ <plugins>
+ <!-- Allows the example to be run via 'mvn compile exec:java' -->
+ <plugin>
+ <groupId>org.apache.camel</groupId>
+ <artifactId>camel-maven-plugin</artifactId>
+ <version>${project.version}</version>
+ <configuration>
+ <basedPackages>org.apache.camel.example.dsl.java8</basedPackages>
+ </configuration>
+ </plugin>
+ </plugins>
+ </build>
+
+</project>
http://git-wip-us.apache.org/repos/asf/camel/blob/f7e603ac/examples/camel-example-dsl-java8/src/main/java/org/apache/camel/example/dsl/java8/MyApplication.java
----------------------------------------------------------------------
diff --git a/examples/camel-example-dsl-java8/src/main/java/org/apache/camel/example/dsl/java8/MyApplication.java b/examples/camel-example-dsl-java8/src/main/java/org/apache/camel/example/dsl/java8/MyApplication.java
new file mode 100644
index 0000000..d6e2ba8
--- /dev/null
+++ b/examples/camel-example-dsl-java8/src/main/java/org/apache/camel/example/dsl/java8/MyApplication.java
@@ -0,0 +1,35 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * 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.apache.camel.example.dsl.java8;
+
+import org.apache.camel.spring.javaconfig.CamelConfiguration;
+import org.apache.camel.spring.javaconfig.Main;
+import org.springframework.context.annotation.ComponentScan;
+import org.springframework.context.annotation.Configuration;
+
+@Configuration
+@ComponentScan
+public class MyApplication extends CamelConfiguration {
+ /**
+ * Allow this route to be run as an application
+ */
+ public static void main(String[] args) throws Exception {
+ Main main = new Main();
+ main.setConfigClass(MyApplication.class);
+ main.run();
+ }
+}
http://git-wip-us.apache.org/repos/asf/camel/blob/f7e603ac/examples/camel-example-dsl-java8/src/main/java/org/apache/camel/example/dsl/java8/MyRoute.java
----------------------------------------------------------------------
diff --git a/examples/camel-example-dsl-java8/src/main/java/org/apache/camel/example/dsl/java8/MyRoute.java b/examples/camel-example-dsl-java8/src/main/java/org/apache/camel/example/dsl/java8/MyRoute.java
new file mode 100644
index 0000000..bcfb294
--- /dev/null
+++ b/examples/camel-example-dsl-java8/src/main/java/org/apache/camel/example/dsl/java8/MyRoute.java
@@ -0,0 +1,63 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * 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.apache.camel.example.dsl.java8;
+
+import java.util.Date;
+import java.util.Objects;
+
+import org.apache.camel.Exchange;
+import org.apache.camel.builder.RouteBuilder;
+import org.springframework.stereotype.Component;
+
+@Component
+public class MyRoute extends RouteBuilder {
+ @Override
+ public void configure() throws Exception {
+ from("timer:simple?period=503")
+ .id("simple-route")
+ .transform()
+ .exchange(this::dateToTime)
+ .choice()
+ .when()
+ .body(Integer.class, b -> (b & 1) == 0)
+ .log("Received even number")
+ .when()
+ .body(Integer.class, (b, h) -> h.containsKey("skip") ? false : (b & 1) == 0)
+ .log("Received odd number")
+ .when()
+ .body(Objects::isNull)
+ .log("Received null body")
+ .when()
+ .body(Integer.class, b -> (b & 1) != 0)
+ .log("Received odd number")
+ .endChoice();
+
+
+ // .transform(this::dateToTime2)
+ // .transform(function(
+ // (Exchange e) -> e.getProperty(Exchange.TIMER_FIRED_TIME, Date.class).getTime()
+ // ))
+ }
+
+ private Long dateToTime(Exchange e) {
+ return e.getProperty(Exchange.TIMER_FIRED_TIME, Date.class).getTime();
+ }
+
+ private <T> T dateToTime2(Exchange exchange, Class<T> type) {
+ return null;
+ }
+}
http://git-wip-us.apache.org/repos/asf/camel/blob/f7e603ac/examples/camel-example-dsl-java8/src/main/resources/log4j2.properties
----------------------------------------------------------------------
diff --git a/examples/camel-example-dsl-java8/src/main/resources/log4j2.properties b/examples/camel-example-dsl-java8/src/main/resources/log4j2.properties
new file mode 100644
index 0000000..2f2e68b
--- /dev/null
+++ b/examples/camel-example-dsl-java8/src/main/resources/log4j2.properties
@@ -0,0 +1,23 @@
+## ---------------------------------------------------------------------------
+## Licensed to the Apache Software Foundation (ASF) under one or more
+## contributor license agreements. See the NOTICE file distributed with
+## this work for additional information regarding copyright ownership.
+## The ASF licenses this file to You under the Apache License, Version 2.0
+## (the "License"); you may not use this file except in compliance with
+## the License. You may obtain a copy of the License at
+##
+## 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.
+## ---------------------------------------------------------------------------
+
+appender.out.type = Console
+appender.out.name = out
+appender.out.layout.type = PatternLayout
+appender.out.layout.pattern = %d [%-15.15t] %-5p %-30.30c{1} - %m%n
+rootLogger.level = INFO
+rootLogger.appenderRef.out.ref = out
http://git-wip-us.apache.org/repos/asf/camel/blob/f7e603ac/examples/pom.xml
----------------------------------------------------------------------
diff --git a/examples/pom.xml b/examples/pom.xml
index 737cfa5..ec1c38c 100644
--- a/examples/pom.xml
+++ b/examples/pom.xml
@@ -53,6 +53,7 @@
<module>camel-example-cxf-proxy</module>
<module>camel-example-cxf-tomcat</module>
<module>camel-example-console</module>
+ <module>camel-example-dsl-java8</module>
<module>camel-example-etl</module>
<module>camel-example-ftp</module>
<module>camel-example-guice-jms</module>