antville/helma
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improved creation of custom root object:

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- definition of root class is moved from app.properties to class.properties file.
- optional use of fields "root.factory.class" and "root.factory.method" in class.properties to retrieve an instance of the root object.
This commit is contained in:
stefanp 2002-04-08 08:43:30 +00:00
parent ca66d7ba90
commit 08f702bd40
1 changed files with 19 additions and 11 deletions
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26
src/helma/framework/core/Application.java
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@ -191,6 +191,10 @@ public class Application extends UnicastRemoteObject implements IRemoteApp, IPat
// the properties that map java class names to prototype names // the properties that map java class names to prototype names
classMapping = new SystemProperties (new File (appDir, "class.properties").getAbsolutePath ()); classMapping = new SystemProperties (new File (appDir, "class.properties").getAbsolutePath ());
// get class name of root object if defined. Otherwise native Helma objectmodel will be used.
rootObjectClass = classMapping.getProperty ("root");
// the properties that map allowed public skin extensions to content types // the properties that map allowed public skin extensions to content types
skinExtensions = new SystemProperties (new File (appDir, "mime.properties").getAbsolutePath ()); skinExtensions = new SystemProperties (new File (appDir, "mime.properties").getAbsolutePath ());
@ -200,8 +204,6 @@ public class Application extends UnicastRemoteObject implements IRemoteApp, IPat
debug = "true".equalsIgnoreCase (props.getProperty ("debug")); debug = "true".equalsIgnoreCase (props.getProperty ("debug"));
// checkSubnodes = !"false".equalsIgnoreCase (props.getProperty ("subnodeChecking")); // checkSubnodes = !"false".equalsIgnoreCase (props.getProperty ("subnodeChecking"));
// get class name of root object if defined. Otherwise native Helma objectmodel will be used.
rootObjectClass = props.getProperty ("rootObject");
try { try {
requestTimeout = Long.parseLong (props.getProperty ("requestTimeout", "60"))*1000l; requestTimeout = Long.parseLong (props.getProperty ("requestTimeout", "60"))*1000l;
@ -478,13 +480,19 @@ public class Application extends UnicastRemoteObject implements IRemoteApp, IPat
// check if we ought to create a rootObject from its class name // check if we ought to create a rootObject from its class name
if (rootObjectClass != null) { if (rootObjectClass != null) {
// create custom root element. // create custom root element.
// NOTE: This is but a very rough first sketch of an implementation if (rootObject == null) {
// and needs much more care. try {
if (rootObject == null) try { if ( classMapping.containsKey("root.factory.class") && classMapping.containsKey("root.factory.method") ) {
Class c = Class.forName (rootObjectClass); Class c = Class.forName( classMapping.getProperty("root.factory.class") );
rootObject = c.newInstance (); Method m = c.getMethod( classMapping.getProperty("root.factory.method"), null );
} catch (Throwable x) { rootObject = m.invoke(c,null);
System.err.println ("ERROR CREATING ROOT OBJECT: "+x); } else {
Class c = Class.forName( classMapping.getProperty("root") );
rootObject = c.newInstance();
}
} catch ( Exception e ) {
throw new RuntimeException ( "Error creating root object: " + e.toString() );
}
} }
return rootObject; return rootObject;
} }