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+The Apache Tuscany SCA Samples
+==============================
+
+New Samples Structure
+---------------------
+
+For the Milestone 5 release of Tuscany SCA Java 2.x we are beginning
+the process of moving to a new structure for samples. Milestone 5 is
+delivered in a state of partial change over to this new emphasis, and hence
+this README reflects that hybrid state.
+
+There are primarily 3 types of sample; those which focus on pure SCA
+concepts, those which demonstrate features of Tuscany and the last group
+is of samples which give a flavour of more complete, realistic applications.
+
+The new structure primarily focusses separating contributions from the way that
+contributions are launched. The samples demonstrate the way in which contributions are used by
+launchers to execute tuscany SCA applications.
+
+In this way you can explore the samples by chosing which launcher you wish
+to invoke which contribution. In the old style of sample this distinction was not clear;
+any given sample contained both launcher and contribution, and the set of samples provided
+represented a small subset of the combinations possible by the new approach.
+
+Within the SCA category of samples, most of the calculator samples, have been
+migrated to this new structure as follows.
+
+SCA Samples
+ binding-rmi-calculator
+ contribution-calculator-reference
+ contribution-calculator-service
+ binding-sca
+ contribution-calculator
+ contribution-binding-ws-calculator
+ contribution-implementation-java-calculator
+ calculator-sca-client
+ launcher-command-line
+ launcher-embedded-jse
+ launcher-embedded-osgi
+ launcher-mvn
+
+Please visit the 2.x documentation in our website [1] to get a better understanding of SCA
+and Tuscany 2.x
+
+Running the New Style samples
+-----------------------------
+
+To run a new style sample there are 3 basic steps
+
+1) build the contribution: using either the command "mvn", "ant run" or your usual steps to build a
+ module in your IDE
+2) unit test the contribution: if you used mvn or ant in step 1 then you will already have done this;
+ if you used an IDE follow your usual steps to run the unit test in the contribution's module
+3) launch the contribution: go to one of the launcher* subdirectories of the samples root directory
+ and follow the instructions there to use a launcher to launch your chosen contribution
+
+I the case where you want to exercise the sample contribution with a separate client program, such as
+an application using the SCA client API then there is a 4th step of starting that client application
+
+[1] http://tuscany.apache.org/documentation-2x/
+
+Running the Old Style Samples
+------------------------------
+The Apache Tuscany SCA samples are built as part of the main Maven build and
+run, using the provided JUnit test cases, as tests in the Maven build.
+
+In the binary distribution of Apache Tuscany most samples can also
+be run using the provided Ant build.xml files. These show the samples running
+from a simple main() method without the need for a JUnit test case.
+
+In these notes text that appears in angled brackets like this <example> means
+that you need to make a choice and provide your own text at that point.
+
+These simple samples have been created with the intention of illustrating the
+usage of the SCA API and annotations and certainly not to levels of SCA component
+abstraction. In real life situations you should use SCA to assemble real and
+usually bigger components, and when you do that you'll get all the benefits of
+SCA, bindings, policies, integration in an SOA environment etc..
+
+Sample Layout
+-------------
+Generally sample directories are organized in the same way based on the default
+project template provided by Maven. For example, take a look at the calculator
+sample;
+
+calculator/
+ src/ - Holds all of the source files for the sample
+ main/ - Groups together the files that implement the sample
+ java/ - Java source files
+ resources/ - Non java resource files such as composte files
+ test/ - Groups together files that provide sample tests
+ java - Java test sources files. Usually JUnit test cases
+ target/ - Holds the files generated when the sample is built
+ classes/ - For example, Java class files
+ test-classes/ - classes from src/test and other test files
+
+Getting Ready To Build
+----------------------
+You will need to install the following software before you start.
+
+J2SE Development Kit (JDK) 5.0
+Apache Ant 1.7.1 - if you are going to use Ant
+Apache Maven 2.0.9 - if you are going to use Maven
+
+Java and Ant and/or Maven binary directories must be present in your PATH so
+that their executable programs are available in your environment. You may
+find it useful to use a script to set up your environment, for example;
+
+For UNIX:
+ JAVA_HOME=/<installation_directory>
+ ANT_HOME=/<installation_directory>/apache-ant-1.7.0
+ MAVEN_HOME=/<installation_directory>/maven-2.0.6
+ export PATH=$JAVA_HOME/bin:$ANT_HOME/bin:$MAVEN_HOME/bin:$PATH
+
+For Windows:
+ set JAVA_HOME=C:\<installation_directory>
+ set ANT_HOME=C:\<installation_directory>\apache-ant-1.7.0
+ set MAVEN_HOME=C:\<installation_directory>\maven-2.0.6
+ set PATH=%JAVA_HOME%\bin;%ANT_HOME%\bin;%MAVEN_HOME%\bin;%PATH%
+
+
+Building And Running The SCA Samples Using Ant
+----------------------------------------------
+The build.xml files provided with the Apache Tuscany SCA samples are designed
+to work with the binary distribution. They rely on the tuscany-sca-manifest.jar
+to describe the class path and this jar is only provided as part of the
+binary distribution.
+
+The binary distribution of SCA also includes precompiled versions of each sample.
+If you look in the target directory of each sample you will see this jar file. To
+run a sample based on all of the precompiled artifacts all you have to do is:
+
+cd <sampledir>
+ant run
+
+Check each <sampledir>/README file as some samples require that two progams are
+run to get the desired result, for example, the two samples that show how
+to build extensions are run from their associated application samples.
+
+If you want to rebuild a sample, for example, if you have changed it, do the
+following:
+
+cd <sampledir>
+ant compile
+
+Once the sample is built you have the option of running the sample in whatever
+way best suits you. Two alternatives are provided in the ant build files.
+
+The compile target builds the class files and then builds the jar so you can use
+the same command as before:
+
+ant run
+
+This will use the generated jar to run the samples. The command line version of
+this is:
+
+on Windows
+
+java -cp ..\..\features\tuscany-sca-manifest.jar;target\<sample jar file> <sample runnable class>
+
+for example : java -cp ..\..\features\tuscany-sca-manifest.jar;target\sample-calculator.jar calculator.CalculatorClient
+
+on *nix
+
+java -cp ../../features/tuscany-sca-manifest.jar:target/<sample jar file> <sample runnable class>
+
+for example : java -cp ../../features/tuscany-sca-manifest.jar:target/sample-calculator.jar calculator.CalculatorClient
+
+
+You can use the compiled classes directly using
+
+ant run-classes
+
+The command line version of this is:
+
+on Windows
+
+java -cp ..\..\features\tuscany-sca-manifest.jar;target\classes <sample runnable class>
+
+for example : java -cp ..\..\features\tuscany-sca-manifest.jar;target\classes calculator.CalculatorClient
+
+on *nix
+
+java -cp ../../features/tuscany-sca-manifest.jar:target/classes <sample runnable class>
+
+for example : java -cp ../../features/tuscany-sca-manifest.jar:target/classes calculator.CalculatorClient
+
+The class specified on the command of course depends on which sample you want to
+run. In the examples we have used we are running the CalculatorClient from the calculator sample.
+
+
+Building And Running The SCA Samples Using Maven
+------------------------------------------------
+
+The Maven build process will work from both source and binary distributions.
+To build and test all of the Apache Tuscany SCA sources, including the samples,
+do the following.
+
+cd sca
+mvn
+
+This will take a little while to complete. Experience with Maven tells us that
+sometimes there are problems downloading the dependencies that Apache Tuscany
+SCA requires. If Maven reports that it cannot download required dependencies
+try running the Maven build again.
+
+Once you have all of the source built you can build and run each sample
+independently if required.
+
+cd <sampledir>
+mvn
+
+When using Maven the samples are run within JUnit test cases and so you will
+sometimes not see any test output. You will always see an indication of test
+success or failure.
+
+Using The Samples In An IDE
+---------------------------------------------
+The easiest way to use the samples in an IDE is to use Maven to generate all
+of the IDE project files for you automatically. This works best if you
+generate IDE projects for all of the Apache Tuscany modules. You can then
+include the ones you are interested in working with in you IDE.
+
+To build IDE project files for all of the modules in Apache Tuscany SCA;
+
+cd sca
+
+If you are an Eclipse user do the following
+
+mvn -Peclipse
+
+If you are an IDEA user do the following
+
+mvn idea:idea
+
+These commands generate project files for each module in Apache Tuscany SCA.
+The modules you are interested in can now be included in your IDE, for example,
+in Eclipse, if you create a new Java project and use the option to "create a
+new project from existing source" you can specify an SCA module directory,
+which includes the generated project files, and Eclipse will treat it like any
+other Java project.
+
+Using The Samples In An IDE Without Maven
+-----------------------------------------
+We don't provide any IDE project files with our distributions so you will have to
+import the sample files into your IDE manually. Here's an example of how it can be
+done using Eclipse.
+
+In a new or existing workspace
+ Create a new java project to represent the sample you want to work on, e.g.
+ launcher-embedded-jse
+ Import all of the sample code and resources into this project, e.g.
+ File, Import and then select tuscany-sca-1.0-incubating\samples\launcher-embedded-jse from the filesystem
+ Configure the source path to include
+ src/main/java
+ src/main/resources
+ Configure the output folder to be
+ target
+ Configure the build path to include the manifest jar tuscany-sca-manifiest.jar provided in
+ features
+ For here you have run;
+ the unit test (loads a sequence of contributions and runs them)
+ SampleJSELauncher (you'll need to add the name of the contribution to run as a parameter)
+ build.xml (you'll need to set tuscany.home to point to distribution\all\target\apache-tuscany-sca-all-2.0-SNAPSHOT.dir\tuscany-sca-2.0-SNAPSHOT)
+
+The details of how to do this for other development environments will
+vary but the process will be similar.
+
+