[jboss-cvs] jboss-seam/src/main/org/jboss/seam/exceptions ...
Gavin King
gavin.king at jboss.com
Tue Jun 19 15:02:34 EDT 2007
User: gavin
Date: 07/06/19 15:02:34
Modified: src/main/org/jboss/seam/exceptions DebugPageHandler.java
ExceptionHandler.java RedirectHandler.java
Added: src/main/org/jboss/seam/exceptions Exceptions.java
Log:
repackaged built-in components
sorry for breakage, but it had to happen eventually :-(
Revision Changes Path
1.8 +4 -4 jboss-seam/src/main/org/jboss/seam/exceptions/DebugPageHandler.java
(In the diff below, changes in quantity of whitespace are not shown.)
Index: DebugPageHandler.java
===================================================================
RCS file: /cvsroot/jboss/jboss-seam/src/main/org/jboss/seam/exceptions/DebugPageHandler.java,v
retrieving revision 1.7
retrieving revision 1.8
diff -u -b -r1.7 -r1.8
--- DebugPageHandler.java 9 Mar 2007 02:37:25 -0000 1.7
+++ DebugPageHandler.java 19 Jun 2007 19:02:34 -0000 1.8
@@ -4,8 +4,8 @@
package org.jboss.seam.exceptions;
import org.jboss.seam.contexts.Contexts;
-import org.jboss.seam.core.Manager;
-import org.jboss.seam.core.RedirectException;
+import org.jboss.seam.faces.JsfManager;
+import org.jboss.seam.faces.RedirectException;
import org.jboss.seam.log.LogProvider;
import org.jboss.seam.log.Logging;
@@ -18,9 +18,9 @@
public void handle(Exception e) throws Exception
{
log.error("redirecting to debug page", e);
- org.jboss.seam.core.Redirect redirect = org.jboss.seam.core.Redirect.instance();
+ org.jboss.seam.faces.Redirect redirect = org.jboss.seam.faces.Redirect.instance();
redirect.setViewId("/debug.xhtml");
- Manager manager = Manager.instance();
+ JsfManager manager = JsfManager.instance();
manager.beforeRedirect("/debug.xhtml");
redirect.setParameter( manager.getConversationIdParameter(), manager.getCurrentConversationId() );
1.5 +1 -1 jboss-seam/src/main/org/jboss/seam/exceptions/ExceptionHandler.java
(In the diff below, changes in quantity of whitespace are not shown.)
Index: ExceptionHandler.java
===================================================================
RCS file: /cvsroot/jboss/jboss-seam/src/main/org/jboss/seam/exceptions/ExceptionHandler.java,v
retrieving revision 1.4
retrieving revision 1.5
diff -u -b -r1.4 -r1.5
--- ExceptionHandler.java 5 Feb 2007 06:45:37 -0000 1.4
+++ ExceptionHandler.java 19 Jun 2007 19:02:34 -0000 1.5
@@ -3,7 +3,7 @@
*/
package org.jboss.seam.exceptions;
-import org.jboss.seam.core.Navigator;
+import org.jboss.seam.faces.Navigator;
public abstract class ExceptionHandler extends Navigator
{
1.10 +2 -2 jboss-seam/src/main/org/jboss/seam/exceptions/RedirectHandler.java
(In the diff below, changes in quantity of whitespace are not shown.)
Index: RedirectHandler.java
===================================================================
RCS file: /cvsroot/jboss/jboss-seam/src/main/org/jboss/seam/exceptions/RedirectHandler.java,v
retrieving revision 1.9
retrieving revision 1.10
diff -u -b -r1.9 -r1.10
--- RedirectHandler.java 29 Mar 2007 19:06:01 -0000 1.9
+++ RedirectHandler.java 19 Jun 2007 19:02:34 -0000 1.10
@@ -6,10 +6,10 @@
import org.jboss.seam.contexts.Contexts;
import org.jboss.seam.core.Conversation;
-import org.jboss.seam.core.Pages;
-import org.jboss.seam.core.RedirectException;
+import org.jboss.seam.faces.RedirectException;
import org.jboss.seam.log.LogProvider;
import org.jboss.seam.log.Logging;
+import org.jboss.seam.navigation.Pages;
public abstract class RedirectHandler extends ExceptionHandler
{
1.1 date: 2007/06/19 19:02:34; author: gavin; state: Exp;jboss-seam/src/main/org/jboss/seam/exceptions/Exceptions.java
Index: Exceptions.java
===================================================================
package org.jboss.seam.exceptions;
import static org.jboss.seam.InterceptionType.NEVER;
import static org.jboss.seam.annotations.Install.BUILT_IN;
import java.io.InputStream;
import java.util.ArrayList;
import java.util.List;
import javax.faces.application.FacesMessage;
import javax.faces.application.FacesMessage.Severity;
import org.dom4j.DocumentException;
import org.dom4j.Element;
import org.jboss.seam.Component;
import org.jboss.seam.ScopeType;
import org.jboss.seam.annotations.Create;
import org.jboss.seam.annotations.Install;
import org.jboss.seam.annotations.Intercept;
import org.jboss.seam.annotations.Name;
import org.jboss.seam.annotations.Scope;
import org.jboss.seam.contexts.Contexts;
import org.jboss.seam.core.Events;
import org.jboss.seam.core.Init;
import org.jboss.seam.log.LogProvider;
import org.jboss.seam.log.Logging;
import org.jboss.seam.navigation.Pages;
import org.jboss.seam.util.EJB;
import org.jboss.seam.util.Reflections;
import org.jboss.seam.util.Resources;
import org.jboss.seam.util.Strings;
import org.jboss.seam.util.XML;
/**
* Manages the exception handler chain
*
* @author Gavin King
*/
@Scope(ScopeType.APPLICATION)
@Intercept(NEVER)
@Install(precedence=BUILT_IN)
@Name("org.jboss.seam.core.exceptions")
public class Exceptions
{
private static final LogProvider log = Logging.getLogProvider(Exceptions.class);
private List<ExceptionHandler> exceptionHandlers = new ArrayList<ExceptionHandler>();
public void handle(Exception e) throws Exception
{
if ( Contexts.isConversationContextActive() )
{
Contexts.getConversationContext().set("org.jboss.seam.exception", e);
}
//build a list of the nested exceptions
List<Exception> causes = new ArrayList<Exception>();
for (Exception cause=e; cause!=null; cause=EJB.getCause(cause))
{
causes.add(cause);
}
//try to match each handler in turn
for (ExceptionHandler eh: exceptionHandlers)
{
//Try to handle most-nested exception before least-nested
for (int i=causes.size()-1; i>=0; i--)
{
Exception cause = causes.get(i);
if ( eh.isHandler(cause) )
{
if ( Contexts.isConversationContextActive() )
{
Contexts.getConversationContext().set("org.jboss.seam.handledException", cause);
}
eh.handle(cause);
Events.instance().raiseEvent("org.jboss.seam.exceptionHandled." + cause.getClass().getName(), cause);
Events.instance().raiseEvent("org.jboss.seam.exceptionHandled", cause);
return;
}
}
}
//finally, rethrow it, since no handler was found
Events.instance().raiseEvent("org.jboss.seam.exceptionNotHandled", e);
throw e;
}
@Create
public void initialize() throws Exception
{
List<ExceptionHandler> deferredHandlers = new ArrayList<ExceptionHandler>();
deferredHandlers.add(parse("/WEB-INF/exceptions.xml")); // deprecated
for (String pageFile: Pages.instance().getResources()) {
deferredHandlers.add(parse(pageFile));
}
addHandler(new AnnotationRedirectHandler());
addHandler(new AnnotationErrorHandler());
if (Init.instance().isDebug()) {
addHandler(new DebugPageHandler());
}
for (ExceptionHandler handler: deferredHandlers) {
addHandler(handler);
}
}
private ExceptionHandler parse(String fileName) throws DocumentException, ClassNotFoundException
{
ExceptionHandler anyhandler = null;
InputStream stream = Resources.getResourceAsStream(fileName);
if (stream!=null)
{
log.debug("reading exception mappings from " + fileName);
List<Element> elements = XML.getRootElement(stream).elements("exception");
for (final Element exception: elements)
{
String className = exception.attributeValue("class");
if (className==null)
{
anyhandler = createHandler(exception, Exception.class);
}
else
{
ExceptionHandler handler = createHandler( exception, Reflections.classForName(className) );
if (handler!=null) exceptionHandlers.add(handler);
}
}
}
return anyhandler;
}
private ExceptionHandler createHandler(Element exception, final Class clazz)
{
final boolean endConversation = exception.elementIterator("end-conversation").hasNext();
Element redirect = exception.element("redirect");
if (redirect!=null)
{
final String viewId = redirect.attributeValue("view-id");
Element messageElement = redirect.element("message");
final String message = messageElement==null ? null : messageElement.getTextTrim();
String severityName = messageElement==null ? null : messageElement.attributeValue("severity");
Severity severity = severityName==null ?
FacesMessage.SEVERITY_INFO :
Pages.getFacesMessageValuesMap().get( severityName.toUpperCase() );
return new ConfigRedirectHandler(viewId, clazz, endConversation, message, severity);
}
Element error = exception.element("http-error");
if (error!=null)
{
String errorCode = error.attributeValue("error-code");
final int code = Strings.isEmpty(errorCode) ?
500 : Integer.parseInt(errorCode);
Element messageElement = error.element("message");
final String message = messageElement==null ? null : messageElement.getTextTrim();
return new ConfigErrorHandler(message, endConversation, clazz, code);
}
return null;
}
public void addHandler(ExceptionHandler handler)
{
if (handler != null) {
exceptionHandlers.add(handler);
}
}
public static Exceptions instance()
{
if ( !Contexts.isApplicationContextActive() )
{
throw new IllegalStateException("No active application context");
}
return (Exceptions) Component.getInstance(Exceptions.class, ScopeType.APPLICATION);
}
}
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