mcconnell 2003/04/04 04:14:29
Added: merlin/merlin-smp/src/tutorial/005 .cvsignore build.xml
merlin/merlin-smp/src/tutorial/005/src/config block.xml
merlin/merlin-smp/src/tutorial/005/src/java/tutorial
DemoContext.java DemoContextProvider.java
HelloComponent.java HelloComponent.xinfo
Log:
Tutorial content for lesson 005.
Revision Changes Path
1.1 avalon-sandbox/merlin/merlin-smp/src/tutorial/005/.cvsignore
Index: .cvsignore
===================================================================
build
logs
tutorial.jar
1.1 avalon-sandbox/merlin/merlin-smp/src/tutorial/005/build.xml
Index: build.xml
===================================================================
<!--
Test application
-->
<project name="tutorial" default="jar" basedir=".">
<property name="src.dir" value="${basedir}/src" />
<property name="java.dir" value="${src.dir}/java" />
<property name="build.dir" value="${basedir}/build" />
<property name="classes.dir" value="${build.dir}/classes" />
<property name="config.dir" value="${src.dir}/config" />
<property environment="env"/>
<property name="merlin.home" value="${env.MERLIN_HOME}"/>
<property name="framework.jar"
value="${merlin.home}/lib/shared/avalon-framework-4.1.4.jar" />
<path id="project.class.path">
<pathelement path="${java.class.path}" />
<pathelement location="${framework.jar}"/>
<fileset dir="${classes.dir}"/>
</path>
<target name="compile" >
<mkdir dir="${classes.dir}" />
<copy toDir="${classes.dir}">
<fileset dir="${java.dir}">
<include name="**/*.xinfo"/>
</fileset>
</copy>
<mkdir dir="${classes.dir}/BLOCK-INF" />
<copy toDir="${classes.dir}/BLOCK-INF">
<fileset dir="${config.dir}">
<include name="*.xml"/>
</fileset>
</copy>
<mkdir dir="${classes.dir}" />
<javac debug="on" destdir="${classes.dir}" >
<classpath>
<path refid="project.class.path"/>
</classpath>
<src path="${src.dir}" />
</javac>
</target>
<target name="jar" depends="compile">
<jar jarfile="tutorial.jar" basedir="${classes.dir}"/>
</target>
<target name="clean">
<delete dir="${build.dir}"/>
<delete file="tutorial.jar"/>
</target>
</project>
1.1
avalon-sandbox/merlin/merlin-smp/src/tutorial/005/src/config/block.xml
Index: block.xml
===================================================================
<block name="tutorial">
<container>
<component name="hello" class="tutorial.HelloComponent" activation="startup">
<context class="tutorial.DemoContextProvider"/>
</component>
</container>
</block>
1.1
avalon-sandbox/merlin/merlin-smp/src/tutorial/005/src/java/tutorial/DemoContext.java
Index: DemoContext.java
===================================================================
package tutorial;
import java.io.File;
import org.apache.avalon.framework.context.Context;
/**
* An example of an convinience interface that extends the
* standard Avalon Context interface.
*/
public interface DemoContext extends Context
{
/**
* Return the component name.
* @return the component name
*/
String getName();
/**
* Return the name of the partition assigned to the component.
* @return the partition name
*/
String getPartition();
/**
* Return the home directory.
* @return the directory
*/
File getHomeDirectory();
/**
* Return the temporary working directory.
* @return the directory
*/
File getWorkingDirectory();
}
1.1
avalon-sandbox/merlin/merlin-smp/src/tutorial/005/src/java/tutorial/DemoContextProvider.java
Index: DemoContextProvider.java
===================================================================
package tutorial;
import java.util.Map;
import java.io.File;
import org.apache.avalon.framework.context.DefaultContext;
import org.apache.avalon.framework.context.ContextException;
/**
* A demonstration class that that we will instantiate via
* context directives within the component declaration.
*/
public class DemoContextProvider extends DefaultContext implements DemoContext
{
/**
* A custom context type implementation must provide
* the following constructor.
* @param entries a map of context entries
*/
public DemoContextProvider( Map entries )
{
super( entries );
}
/**
* Return the component name.
* @return the component name
*/
public String getName()
{
try
{
return (String) super.get( "urn:avalon:name" );
}
catch( ContextException ce )
{
// should not happen
throw new RuntimeException( ce.toString() );
}
}
/**
* Return the name of the partition assigned to the component.
* @return the partition name
*/
public String getPartition()
{
try
{
return (String) super.get( "urn:avalon:partition" );
}
catch( ContextException ce )
{
// should not happen
throw new RuntimeException( ce.toString() );
}
}
/**
* Return the home directory.
* @return the home directory
*/
public File getHomeDirectory()
{
try
{
return (File) super.get( "urn:avalon:home" );
}
catch( ContextException ce )
{
// should not happen
throw new RuntimeException( ce.toString() );
}
}
/**
* Return the temporary working directory.
* @return the temp directory
*/
public File getWorkingDirectory()
{
try
{
return (File) super.get( "urn:avalon:work" );
}
catch( ContextException ce )
{
// should not happen
throw new RuntimeException( ce.toString() );
}
}
}
1.1
avalon-sandbox/merlin/merlin-smp/src/tutorial/005/src/java/tutorial/HelloComponent.java
Index: HelloComponent.java
===================================================================
package tutorial;
import org.apache.avalon.framework.logger.AbstractLogEnabled;
import org.apache.avalon.framework.context.Contextualizable;
import org.apache.avalon.framework.context.Context;
import org.apache.avalon.framework.context.ContextException;
public class HelloComponent extends AbstractLogEnabled
implements Contextualizable
{
/**
* Contextualization of the component using a context
* class that implements a domain specific context interface.
*/
public void contextualize( Context context )
throws ContextException
{
DemoContext c = (DemoContext) context;
getLogger().info( "name: " + c.getName() );
getLogger().info( "partition: " + c.getPartition() );
getLogger().info( "home: " + c.getHomeDirectory() );
getLogger().info( "temp: " + c.getWorkingDirectory() );
}
}
1.1
avalon-sandbox/merlin/merlin-smp/src/tutorial/005/src/java/tutorial/HelloComponent.xinfo
Index: HelloComponent.xinfo
===================================================================
<?xml version="1.0"?>
<!DOCTYPE type
PUBLIC "-//AVALON/Type DTD Version 1.0//EN"
"http://avalon.apache.org/dtds/meta/type_1_1.dtd"; >
<type>
<info>
<name>hello</name>
<version>1.0</version>
</info>
<context type="tutorial.DemoContext"/>
</type>
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