mcconnell 2002/12/19 02:34:01
Modified: assembly/src/java/org/apache/avalon/assembly/appliance
DefaultAppliance.java
Log:
Enhancement management of the deployment context.
Revision Changes Path
1.12 +119 -13
avalon-sandbox/assembly/src/java/org/apache/avalon/assembly/appliance/DefaultAppliance.java
Index: DefaultAppliance.java
===================================================================
RCS file:
/home/cvs/avalon-sandbox/assembly/src/java/org/apache/avalon/assembly/appliance/DefaultAppliance.java,v
retrieving revision 1.11
retrieving revision 1.12
diff -u -r1.11 -r1.12
--- DefaultAppliance.java 17 Dec 2002 09:55:23 -0000 1.11
+++ DefaultAppliance.java 19 Dec 2002 10:34:00 -0000 1.12
@@ -50,6 +50,7 @@
package org.apache.avalon.assembly.appliance;
+import java.io.File;
import java.util.Map;
import java.util.Hashtable;
import java.net.URL;
@@ -93,9 +94,9 @@
//=====================================================================
/**
- * The appliance context.
+ * The profile.
*/
- private ApplianceContext m_context;
+ private Profile m_profile;
/**
* The lifestyle service from which the appliance lifestyle handler is
established.
@@ -119,6 +120,11 @@
private boolean m_enabled = true;
/**
+ * The context provider.
+ */
+ private Appliance m_context;
+
+ /**
* The dependencies providers keyed by role name.
*/
private final Hashtable m_providers = new Hashtable();
@@ -134,6 +140,11 @@
private String m_path;
/**
+ * The partition name.
+ */
+ private String m_partition;
+
+ /**
* The logging channel.
*/
private Logger m_logger;
@@ -148,6 +159,16 @@
*/
private String m_domain;
+ /**
+ * The deployment context.
+ */
+ private Map m_deployment;
+
+ /**
+ * The activation policy.
+ */
+ private boolean m_activation;
+
//==============================================================
// constructor
//==============================================================
@@ -175,9 +196,16 @@
m_logger = logger;
m_engine = engine;
- m_context = context;
m_enabled = context.getEnabled();
m_system = system;
+ m_activation = context.getActivationPolicy();
+ m_partition = context.getPartitionName();
+ m_profile = (Profile) context.getProfile();
+
+ if( m_partition == null )
+ {
+ m_partition = "";
+ }
try
{
@@ -188,16 +216,69 @@
m_domain = "localhost";
}
- if( getPartitionName() != null )
+ if( m_partition.endsWith("/") )
{
- m_path = getPartitionName()
- + "/" + context.getProfile().getName();
+ m_path = m_partition + context.getProfile().getName();
}
else
{
- m_path = "/" + context.getProfile().getName();
+ m_path = m_partition + "/" + context.getProfile().getName();
+ }
+
+ //
+ // make sure that the deployment context is fully populated
+ //
+
+ try
+ {
+ Map map = context.getDeploymentContext();
+
+ //
+ // setup the name and the partition
+ //
+
+ map.put( "urn:avalon:name", m_profile.getName() );
+ map.put( "urn:avalon:partition.name", m_partition );
+
+ //
+ // setup the home and working directory for the component
+ //
+
+ File base = (File) system.get( "urn:assembly:home" );
+ File dir = new File( base, "work" );
+ dir.mkdirs();
+ File home = new File( dir, m_path );
+ File work = new File( home, "temp" );
+ home.mkdir();
+ work.mkdir();
+ work.deleteOnExit();
+ map.put( "urn:avalon:home", home );
+ map.put( "urn:avalon:work", work );
+
+ //
+ // assign the updated map as the deployment context
+ //
+
+ m_deployment = map;
+
+ }
+ catch( ContextException e )
+ {
+ final String error = "System context does not contain the entry
'urn:assembly:home'"
+ + " in appliance: " + this;
+ throw new IllegalStateException( error );
+ }
+ catch( Throwable e )
+ {
+ final String error =
+ "Unexpected exception while preparing deployment context in
appliance: " + this;
+ throw new ApplianceException( error, e );
}
+ //
+ // finally, create the lifestyle handler
+ //
+
try
{
m_handler =
@@ -207,7 +288,7 @@
catch( Throwable e )
{
final String error =
- "Could not initialize appliance due to a lifestyle handler
establishment failure.";
+ "Unexpected lifestyle handler establishment failure in
appliance: " + this;
throw new ApplianceException( error, e );
}
}
@@ -252,7 +333,7 @@
*/
public String getPartitionName()
{
- return m_context.getPartitionName();
+ return m_partition;
}
/**
@@ -269,7 +350,7 @@
*/
public Map getDeploymentContext()
{
- return m_context.getDeploymentContext();
+ return m_deployment;
}
/**
@@ -279,7 +360,7 @@
*/
public Profile getProfile()
{
- return m_context.getProfile();
+ return m_profile;
}
/**
@@ -291,7 +372,7 @@
*/
public boolean getActivationPolicy()
{
- return m_context.getActivationPolicy();
+ return m_activation;
}
/**
@@ -314,6 +395,31 @@
public void setEnabled( boolean value )
{
m_enabled = value;
+ }
+
+ /**
+ * Return the context provider.
+ *
+ * @return the appliance mapped as provider of the context
+ */
+ public Appliance getContextProvider()
+ {
+ return m_context;
+ }
+
+ /**
+ * Set the context provider.
+ *
+ * @param applaince the appliance to be mapped as provider of the context
+ * @exception IllegalStateException if the provider is already set
+ */
+ public void setContextProvider( Appliance appliance )
+ {
+ if( m_context != null )
+ {
+ throw new IllegalStateException( "appliance" );
+ }
+ m_context = appliance;
}
/**
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