reinhard 2003/06/30 12:11:10
Modified: src/scratchpad/src/org/apache/cocoon/components/flow/javascript/fom
FOM_Cocoon.java
Log:
- Implemented functions:
* getComponent( id )
* releaseComponent( component)
* load( script)
- support for cocoon:// protocol when sending pages
- some code formatting
Revision Changes Path
1.7 +81 -16
cocoon-2.1/src/scratchpad/src/org/apache/cocoon/components/flow/javascript/fom/FOM_Cocoon.java
Index: FOM_Cocoon.java
===================================================================
RCS file:
/home/cvs/cocoon-2.1/src/scratchpad/src/org/apache/cocoon/components/flow/javascript/fom/FOM_Cocoon.java,v
retrieving revision 1.6
retrieving revision 1.7
diff -u -r1.6 -r1.7
--- FOM_Cocoon.java 26 Jun 2003 19:44:04 -0000 1.6
+++ FOM_Cocoon.java 30 Jun 2003 19:11:10 -0000 1.7
@@ -49,9 +49,12 @@
*/
package org.apache.cocoon.components.flow.javascript.fom;
+
import java.io.OutputStream;
import java.util.Map;
+import org.apache.avalon.framework.component.Component;
+import org.apache.avalon.framework.component.ComponentException;
import org.apache.avalon.framework.component.ComponentManager;
import org.apache.avalon.framework.logger.Logger;
import org.apache.cocoon.components.flow.ContinuationsManager;
@@ -63,13 +66,20 @@
import org.apache.cocoon.environment.Response;
import org.apache.cocoon.environment.Session;
import org.mozilla.javascript.JavaScriptException;
+import org.mozilla.javascript.Script;
import org.mozilla.javascript.Scriptable;
import org.mozilla.javascript.ScriptableObject;
import org.mozilla.javascript.Undefined;
import org.mozilla.javascript.Wrapper;
import org.mozilla.javascript.continuations.Continuation;
+
/**
- * Implementation of FOM (Flow Object Model)
+ * Implementation of FOM (Flow Object Model).
+ *
+ * @since 2.1
+ * @author <a href="mailto:coliver.at.apache.org";>Christopher Oliver</a>
+ * @author <a href="mailto:reinhard.at.apache.org";>Reinhard P�tz</a>
+ * @version CVS $Id$
*/
public class FOM_Cocoon extends ScriptableObject {
@@ -120,6 +130,7 @@
this.interpreter = null;
}
+
private void forwardTo(String uri, Object bizData,
Continuation continuation)
throws Exception {
@@ -132,8 +143,14 @@
lastContinuation,
0);
}
- interpreter.forwardTo(getParentScope(), this, "cocoon://"+
- environment.getURIPrefix() + uri,
+
+ String redUri = uri;
+
+ if(! uri.startsWith( "cocoon://" ) ) {
+ redUri = "cocoon://" + this.environment.getURIPrefix() + uri;
+ }
+
+ interpreter.forwardTo(getParentScope(), this, redUri,
bizData, wk, environment);
}
@@ -179,12 +196,64 @@
}
*/
-
- public Object jsFunction_getComponent(String id) {
- // what is this?
- return null;
+
+ /**
+ * Access components.
+ *
+ * TODO: Do we want to restrict the access of sitemap components? (RP)
+ * TODO: Do we want to raise an error or return null? (RP)
+ */
+ public Object jsFunction_getComponent( String id ) {
+ Object o = null;
+ try {
+ o = this.componentManager.lookup( id );
+ } catch (ComponentException e) {
+ o = null;
+ }
+ return o;
+ }
+
+ /**
+ * Release pooled components.
+ *
+ * @param component - an <code>Object</code> that is an instance
+ * of <code>org.apache.avalon.framework.component.Component</code>
+ */
+ public void jsFunction_releaseComponent( Object component )
+ throws JavaScriptException {
+ try {
+ this.componentManager.release( (Component) component );
+ } catch( ClassCastException cce ) {
+ throw new JavaScriptException( "Only components can be released!" );
+ } catch( Exception e ) {
+ throw new JavaScriptException( "Error during release of component
occurred!" + e.getMessage() );
+ }
}
+ /**
+ * Load the script file specified as argument.
+ *
+ * @param filename a <code>String</code> value
+ * @return an <code>Object</code> value
+ * @exception JavaScriptException if an error occurs
+ */
+ public Object jsFunction_load( String filename )
+ throws JavaScriptException {
+ org.mozilla.javascript.Context cx =
+ org.mozilla.javascript.Context.getCurrentContext();
+ try {
+ Scriptable scope = getParentScope();
+ Script script = interpreter.compileScript( cx,
+ environment,
+ filename );
+ return script.exec( cx, scope );
+ } catch( JavaScriptException e ) {
+ throw e;
+ } catch( Exception e ) {
+ throw new JavaScriptException( e );
+ }
+ }
+
public static class FOM_Request extends ScriptableObject {
Request request;
@@ -372,7 +441,7 @@
public void jsFunction_addCookie(Object cookie)
throws JavaScriptException {
if (!(cookie instanceof FOM_Cookie)) {
- throw new JavaScriptException("expected a Cookie instead of
"+cookie);
+ throw new JavaScriptException("expected a Cookie instead of " +
cookie);
}
FOM_Cookie fom_cookie = (FOM_Cookie)cookie;
response.addCookie(fom_cookie.cookie);
@@ -568,11 +637,9 @@
return null;
}
Map objectModel = environment.getObjectModel();
- request =
- new FOM_Request(ObjectModelHelper.getRequest(objectModel));
+ request = new FOM_Request(ObjectModelHelper.getRequest(objectModel));
request.setParentScope(getParentScope());
- request.setPrototype(getClassPrototype(getParentScope(),
- "FOM_Request"));
+ request.setPrototype(getClassPrototype(getParentScope(), "FOM_Request"));
return request;
}
@@ -588,8 +655,7 @@
response =
new FOM_Response(ObjectModelHelper.getResponse(objectModel));
response.setParentScope(getParentScope());
- response.setPrototype(getClassPrototype(this,
- "FOM_Response"));
+ response.setPrototype(getClassPrototype(this, "FOM_Response"));
return response;
}
@@ -627,8 +693,7 @@
session =
new
FOM_Session(ObjectModelHelper.getRequest(objectModel).getSession(true));
session.setParentScope(getParentScope());
- session.setPrototype(getClassPrototype(this,
- "FOM_Session"));
+ session.setPrototype(getClassPrototype(this, "FOM_Session"));
return session;
}
