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new 3ebb9af [CAMEL-15357]Add example for Karaf to demonstrate how REST
endpoint using servlet secured by Karaf JAAS service
3ebb9af is described below
commit 3ebb9affff9ac0b436510a9cbc7ef932620b6768
Author: Freeman Fang <freeman.f...@gmail.com>
AuthorDate: Thu Jul 30 10:17:39 2020 -0400
[CAMEL-15357]Add example for Karaf to demonstrate how REST endpoint using
servlet secured by Karaf JAAS service
---
.../README.adoc | 90 +++++++++
.../camel-example-servlet-rest-karaf-jaas/pom.xml | 109 +++++++++++
.../java/org/apache/camel/example/rest/User.java | 47 +++++
.../org/apache/camel/example/rest/UserService.java | 63 +++++++
.../src/main/resources/META-INF/LICENSE.txt | 203 +++++++++++++++++++++
.../src/main/resources/META-INF/NOTICE.txt | 11 ++
.../main/resources/OSGI-INF/blueprint/camel.xml | 81 ++++++++
.../src/main/resources/log4j2.properties | 23 +++
.../org.ops4j.pax.web.context-camelrestdsl.cfg | 7 +
examples/pom.xml | 1 +
10 files changed, 635 insertions(+)
diff --git a/examples/camel-example-servlet-rest-karaf-jaas/README.adoc
b/examples/camel-example-servlet-rest-karaf-jaas/README.adoc
new file mode 100644
index 0000000..d4e7e67
--- /dev/null
+++ b/examples/camel-example-servlet-rest-karaf-jaas/README.adoc
@@ -0,0 +1,90 @@
+== Camel Servlet REST and Karaf Jaas example
+
+=== Introduction
+
+This example shows how to use Servlet REST to define REST endpoints in Camel
routes using the Rest DSL. REST endpoint protected by Basic Auth, delegate
user/password authentication to Karaf Jaas Service
+
+=== Build
+
+You will need to compile this example first:
+
+....
+mvn install
+....
+
+=== Copy security configuration file
+ copy src/main/resources/org.ops4j.pax.web.context-camelrestdsl.cfg
+ to $KARAF_HOME/etc folder
+
+=== Run
+
+To install Apache Camel in Karaf you type in the shell (we use version
+$\{camel.version}):
+
+....
+feature:repo-add camel ${camel.version}
+feature:install camel
+....
+
+First you need to install the following features in Karaf/ServiceMix
+with:
+
+....
+feature:install camel-servlet
+feature:install camel-jackson
+feature:install war
+....
+
+Then you can install the Camel example:
+
+....
+install -s
mvn:org.apache.camel.example/camel-example-servlet-rest-karaf-jaas/${camel.version}
+....
+
+And you can see the application running by tailing the logs
+
+....
+log:tail
+....
+
+And you can use ctrl+c to stop tailing the log.
+
+There is a user REST service that supports the following operations
+
+* GET /user/\{id} - to view a user with the given id
+* GET /user/final - to view all users
+* PUT /user - to update/create an user
+
+The view operations are HTTP GET, and update is using HTTP PUT.
+
+From a web browser you can access the first two services using the
+following links(need to input karaf/karaf as user/password in the pop up
dialog)
+
+....
+ http://localhost:8181/camel-example-servlet-rest-blueprint/rest/user/123
- to view the user with id 123
+ http://localhost:8181/camel-example-servlet-rest-blueprint/rest/user/findAll
- to list all users
+....
+
+From the command shell you can use curl to access the service as shown
+below:
+
+....
+curl -X GET -H "Accept: application/json" --basic -u karaf:karaf
http://localhost:8181/camel-example-servlet-rest-blueprint/rest/user/123
+curl -X GET -H "Accept: application/json" --basic -u karaf:karaf
http://localhost:8181/camel-example-servlet-rest-blueprint/rest/user/findAll
+curl -X PUT -d "{ \"id\": 666, \"name\": \"The devil\"}" -H "Accept:
application/json" --basic -u karaf:karaf
http://localhost:8181/camel-example-servlet-rest-blueprint/rest/user
+....
+
+=== Configuration
+
+This example is implemented in XML DSL in the
+`+src/main/resources/OSGI-INF/blueprint/camel.xml+` file.
+
+=== Help and contributions
+
+If you hit any problem using Camel or have some feedback, then please
+https://camel.apache.org/support.html[let us know].
+
+We also love contributors, so
+https://camel.apache.org/contributing.html[get involved] :-)
+
+The Camel riders!
diff --git a/examples/camel-example-servlet-rest-karaf-jaas/pom.xml
b/examples/camel-example-servlet-rest-karaf-jaas/pom.xml
new file mode 100644
index 0000000..1b62472
--- /dev/null
+++ b/examples/camel-example-servlet-rest-karaf-jaas/pom.xml
@@ -0,0 +1,109 @@
+<?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.example</groupId>
+ <artifactId>examples</artifactId>
+ <version>3.5.0-SNAPSHOT</version>
+ </parent>
+
+ <artifactId>camel-example-servlet-rest-karaf-jaas</artifactId>
+ <name>Camel :: Example :: Servlet REST :: Karaf Jaas</name>
+ <description>An example using Servlet REST with OSGi Blueprint, and REST
endpoint protected by Basic Auth, delegate user/password authentication to
Karaf Jaas Service</description>
+ <packaging>jar</packaging>
+
+
+ <properties>
+ <category>OSGi</category>
+ <title>Servlet REST Blueprint</title>
+
+ <camel.osgi.import.pkg>
+ *
+ </camel.osgi.import.pkg>
+ <camel.osgi.export.pkg>
+ *
+ </camel.osgi.export.pkg>
+ </properties>
+
+ <dependencyManagement>
+ <dependencies>
+ <!-- Add Camel BOM -->
+ <dependency>
+ <groupId>org.apache.camel</groupId>
+ <artifactId>camel-bom</artifactId>
+ <version>${camel.version}</version>
+ <type>pom</type>
+ <scope>import</scope>
+ </dependency>
+ </dependencies>
+ </dependencyManagement>
+
+ <dependencies>
+
+ <!-- camel -->
+ <dependency>
+ <groupId>org.apache.camel</groupId>
+ <artifactId>camel-core</artifactId>
+ </dependency>
+ <dependency>
+ <groupId>org.apache.camel.karaf</groupId>
+ <artifactId>camel-blueprint</artifactId>
+ <version>${camel.karaf.version}</version>
+ </dependency>
+ <dependency>
+ <groupId>org.apache.camel</groupId>
+ <artifactId>camel-servlet</artifactId>
+ </dependency>
+ <!--<dependency>-->
+ <!--<groupId>org.apache.camel</groupId>-->
+ <!--<artifactId>camel-swagger</artifactId>-->
+ <!--</dependency>-->
+
+ <!-- use for json binding -->
+ <dependency>
+ <groupId>org.apache.camel</groupId>
+ <artifactId>camel-jackson</artifactId>
+ </dependency>
+
+ <!-- logging -->
+ <dependency>
+ <groupId>org.apache.logging.log4j</groupId>
+ <artifactId>log4j-api</artifactId>
+ <version>${log4j2-version}</version>
+ <scope>runtime</scope>
+ </dependency>
+ <dependency>
+ <groupId>org.apache.logging.log4j</groupId>
+ <artifactId>log4j-core</artifactId>
+ <version>${log4j2-version}</version>
+ <scope>runtime</scope>
+ </dependency>
+ <dependency>
+ <groupId>org.apache.logging.log4j</groupId>
+ <artifactId>log4j-slf4j-impl</artifactId>
+ <version>${log4j2-version}</version>
+ <scope>runtime</scope>
+ </dependency>
+ </dependencies>
+
+</project>
diff --git
a/examples/camel-example-servlet-rest-karaf-jaas/src/main/java/org/apache/camel/example/rest/User.java
b/examples/camel-example-servlet-rest-karaf-jaas/src/main/java/org/apache/camel/example/rest/User.java
new file mode 100644
index 0000000..4fd237b
--- /dev/null
+++
b/examples/camel-example-servlet-rest-karaf-jaas/src/main/java/org/apache/camel/example/rest/User.java
@@ -0,0 +1,47 @@
+/*
+ * 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.rest;
+
+public class User {
+
+ private int id;
+ private String name;
+
+ public User() {
+ }
+
+ public User(int id, String name) {
+ this.id = id;
+ this.name = name;
+ }
+
+ public int getId() {
+ return id;
+ }
+
+ public void setId(int id) {
+ this.id = id;
+ }
+
+ public String getName() {
+ return name;
+ }
+
+ public void setName(String name) {
+ this.name = name;
+ }
+}
diff --git
a/examples/camel-example-servlet-rest-karaf-jaas/src/main/java/org/apache/camel/example/rest/UserService.java
b/examples/camel-example-servlet-rest-karaf-jaas/src/main/java/org/apache/camel/example/rest/UserService.java
new file mode 100644
index 0000000..1ad0b50
--- /dev/null
+++
b/examples/camel-example-servlet-rest-karaf-jaas/src/main/java/org/apache/camel/example/rest/UserService.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.rest;
+
+import java.util.Collection;
+import java.util.Map;
+import java.util.TreeMap;
+
+/**
+ * A {@link org.apache.camel.example.rest.User} service which we rest enable
from the {@link org.apache.camel.example.rest.UserRouteBuilder}.
+ */
+public class UserService {
+
+ // use a tree map so they become sorted
+ private final Map<String, User> users = new TreeMap<>();
+
+ public UserService() {
+ users.put("123", new User(123, "John Doe"));
+ users.put("456", new User(456, "Donald Duck"));
+ }
+
+ /**
+ * Gets a user by the given id
+ *
+ * @param id the id of the user
+ * @return the user, or <tt>null</tt> if no user exists
+ */
+ public User getUser(String id) {
+ return users.get(id);
+ }
+
+ /**
+ * List all users
+ *
+ * @return the list of all users
+ */
+ public Collection<User> listUsers() {
+ return users.values();
+ }
+
+ /**
+ * Updates or creates the given user
+ *
+ * @param user the user
+ */
+ public void updateUser(User user) {
+ users.put("" + user.getId(), user);
+ }
+}
diff --git
a/examples/camel-example-servlet-rest-karaf-jaas/src/main/resources/META-INF/LICENSE.txt
b/examples/camel-example-servlet-rest-karaf-jaas/src/main/resources/META-INF/LICENSE.txt
new file mode 100644
index 0000000..6b0b127
--- /dev/null
+++
b/examples/camel-example-servlet-rest-karaf-jaas/src/main/resources/META-INF/LICENSE.txt
@@ -0,0 +1,203 @@
+
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diff --git
a/examples/camel-example-servlet-rest-karaf-jaas/src/main/resources/META-INF/NOTICE.txt
b/examples/camel-example-servlet-rest-karaf-jaas/src/main/resources/META-INF/NOTICE.txt
new file mode 100644
index 0000000..2e215bf
--- /dev/null
+++
b/examples/camel-example-servlet-rest-karaf-jaas/src/main/resources/META-INF/NOTICE.txt
@@ -0,0 +1,11 @@
+ =========================================================================
+ == NOTICE file corresponding to the section 4 d of ==
+ == the Apache License, Version 2.0, ==
+ == in this case for the Apache Camel distribution. ==
+ =========================================================================
+
+ This product includes software developed by
+ The Apache Software Foundation (http://www.apache.org/).
+
+ Please read the different LICENSE files present in the licenses directory of
+ this distribution.
diff --git
a/examples/camel-example-servlet-rest-karaf-jaas/src/main/resources/OSGI-INF/blueprint/camel.xml
b/examples/camel-example-servlet-rest-karaf-jaas/src/main/resources/OSGI-INF/blueprint/camel.xml
new file mode 100644
index 0000000..e630bca
--- /dev/null
+++
b/examples/camel-example-servlet-rest-karaf-jaas/src/main/resources/OSGI-INF/blueprint/camel.xml
@@ -0,0 +1,81 @@
+<?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.
+
+-->
+<blueprint xmlns="http://www.osgi.org/xmlns/blueprint/v1.0.0";
+ xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance";
+ xsi:schemaLocation="
+ http://www.osgi.org/xmlns/blueprint/v1.0.0
https://www.osgi.org/xmlns/blueprint/v1.0.0/blueprint.xsd";>
+
+ <!-- to setup camel servlet with OSGi HttpService -->
+ <reference id="httpService" interface="org.osgi.service.http.HttpService"/>
+
+ <bean class="org.apache.camel.component.servlet.osgi.OsgiServletRegisterer"
+ init-method="register"
+ destroy-method="unregister">
+ <property name="alias" value="/camel-example-servlet-rest-blueprint/rest"/>
+ <property name="httpService" ref="httpService"/>
+ <property name="servlet" ref="camelServlet"/>
+ </bean>
+
+ <bean id="camelServlet"
class="org.apache.camel.component.servlet.CamelHttpTransportServlet"/>
+
+ <!-- a bean for user services -->
+ <bean id="userService" class="org.apache.camel.example.rest.UserService"/>
+
+ <camelContext xmlns="http://camel.apache.org/schema/blueprint";>
+
+ <!-- configure rest to use the camel-servlet component, and use json
binding mode -->
+ <!-- and tell to output json in pretty print mode -->
+ <!-- setup context path and port number that Apache Tomcat will deploy
this application with,
+ as we use the servlet component, then we need to aid Camel to tell it
these details so Camel
+ knows the url to the REST services.
+ Notice: This is optional, but needed if the RestRegistry should
enlist accurate information.
+ You can access the RestRegistry from JMX at runtime -->
+ <restConfiguration component="servlet" bindingMode="json"
contextPath="/camel-example-servlet-rest-blueprint/rest"
+ port="8181">
+ <dataFormatProperty key="prettyPrint" value="true"/>
+ </restConfiguration>
+
+ <!-- defines the rest services using the context-path /user -->
+ <rest path="/user" consumes="application/json" produces="application/json">
+ <description>User rest service</description>
+
+ <!-- this is a rest GET to view an user by the given id -->
+ <get uri="/{id}" outType="org.apache.camel.example.rest.User">
+ <description>Find user by id</description>
+ <to uri="bean:userService?method=getUser(${header.id})"/>
+ </get>
+
+ <!-- this is a rest PUT to create/update an user -->
+ <put type="org.apache.camel.example.rest.User">
+ <description>Updates or create a user</description>
+ <to uri="bean:userService?method=updateUser"/>
+ </put>
+
+ <!-- this is a rest GET to find all users -->
+ <get uri="/findAll" outType="org.apache.camel.example.rest.User[]">
+ <description>Find all users</description>
+ <to uri="bean:userService?method=listUsers"/>
+ </get>
+
+ </rest>
+
+ </camelContext>
+
+</blueprint>
\ No newline at end of file
diff --git
a/examples/camel-example-servlet-rest-karaf-jaas/src/main/resources/log4j2.properties
b/examples/camel-example-servlet-rest-karaf-jaas/src/main/resources/log4j2.properties
new file mode 100644
index 0000000..9deb51c
--- /dev/null
+++
b/examples/camel-example-servlet-rest-karaf-jaas/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.console.type = Console
+appender.console.name = console
+appender.console.layout.type = PatternLayout
+appender.console.layout.pattern = %d [%-15.15t] %-5p %-30.30c{1} - %m%n
+rootLogger.level = INFO
+rootLogger.appenderRef.console.ref = console
diff --git
a/examples/camel-example-servlet-rest-karaf-jaas/src/main/resources/org.ops4j.pax.web.context-camelrestdsl.cfg
b/examples/camel-example-servlet-rest-karaf-jaas/src/main/resources/org.ops4j.pax.web.context-camelrestdsl.cfg
new file mode 100644
index 0000000..5dd68fe
--- /dev/null
+++
b/examples/camel-example-servlet-rest-karaf-jaas/src/main/resources/org.ops4j.pax.web.context-camelrestdsl.cfg
@@ -0,0 +1,7 @@
+bundle.symbolicName=camel-example-servlet-rest-blueprint
+login.config.authMethod=BASIC
+login.config.realmName=karaf
+context.id=default
+
+security.constraint.1.url = /camel-example-servlet-rest-blueprint/*
+security.constraint.1.roles = admin
diff --git a/examples/pom.xml b/examples/pom.xml
index c37d44f..bef939c 100644
--- a/examples/pom.xml
+++ b/examples/pom.xml
@@ -149,6 +149,7 @@
<module>camel-example-salesforce-consumer</module>
<module>camel-example-servlet-rest-blueprint</module>
<module>camel-example-servlet-tomcat</module>
+ <module>camel-example-servlet-rest-karaf-jaas</module>
<module>camel-example-splunk</module>
<module>camel-example-spring</module>
<module>camel-example-spring-javaconfig</module>
