[jboss-cvs] jboss-seam/src/debug/org/jboss/seam/debug ...

[Gavin King]

  User: gavin   
  Date: 07/03/07 12:25:53

  Added:       src/debug/org/jboss/seam/debug   Contexts.java
                        Introspector.java
  Log:
  package debug components in debug package
  
  Revision  Changes    Path
  1.1      date: 2007/03/07 17:25:53;  author: gavin;  state: Exp;jboss-seam/src/debug/org/jboss/seam/debug/Contexts.java
  
  Index: Contexts.java
  ===================================================================
  package org.jboss.seam.debug;
  
  import static org.jboss.seam.annotations.Install.BUILT_IN;
  
  import java.util.ArrayList;
  import java.util.Arrays;
  import java.util.List;
  
  import org.jboss.seam.ScopeType;
  import org.jboss.seam.annotations.Install;
  import org.jboss.seam.annotations.Name;
  import org.jboss.seam.annotations.Scope;
  import org.jboss.seam.core.ConversationEntries;
  import org.jboss.seam.core.ConversationEntry;
  
  @Name("org.jboss.seam.debug.contexts")
  @Scope(ScopeType.APPLICATION)
  @Install(debug=true, precedence=BUILT_IN)
  public class Contexts 
  {
     public List<ConversationEntry> getConversationEntries()
     {
        return new ArrayList<ConversationEntry>( ConversationEntries.instance().getConversationEntries() );
     }
     
     public String[] getApplication()
     {
        String[] names = org.jboss.seam.contexts.Contexts.getApplicationContext().getNames();
        Arrays.sort(names);
        return names;
     }
  
     public String[] getSession()
     {
        String[] names = org.jboss.seam.contexts.Contexts.getSessionContext().getNames();
        Arrays.sort(names);
        return names;
     }
  
     public String[] getConversation()
     {
        String[] names = org.jboss.seam.contexts.Contexts.getConversationContext().getNames();
        Arrays.sort(names);
        return names;
     }
     
     public String[] getBusinessProcess()
     {
        if ( org.jboss.seam.contexts.Contexts.isBusinessProcessContextActive() )
        {
           String[] names = org.jboss.seam.contexts.Contexts.getBusinessProcessContext().getNames();
           Arrays.sort(names);
           return names;
        }
        else
        {
           return null;
        }
     }
  
     public Exception getException()
     {
        return (Exception) org.jboss.seam.contexts.Contexts.getConversationContext().get("org.jboss.seam.debug.lastException");
     }
     
     public boolean isExceptionExists()
     {
        return getException()!=null;
     }
  
  }
  
  
  
  1.1      date: 2007/03/07 17:25:53;  author: gavin;  state: Exp;jboss-seam/src/debug/org/jboss/seam/debug/Introspector.java
  
  Index: Introspector.java
  ===================================================================
  package org.jboss.seam.debug;
  
  import static org.jboss.seam.annotations.Install.BUILT_IN;
  
  import java.beans.BeanInfo;
  import java.beans.IntrospectionException;
  import java.beans.PropertyDescriptor;
  import java.lang.reflect.InvocationTargetException;
  import java.lang.reflect.Method;
  import java.util.Arrays;
  import java.util.List;
  import java.util.Map;
  
  import org.jboss.seam.annotations.Install;
  import org.jboss.seam.annotations.Name;
  import org.jboss.seam.annotations.RequestParameter;
  import org.jboss.seam.contexts.Contexts;
  
  @Name("org.jboss.seam.debug.introspector")
  @Install(debug=true, precedence=BUILT_IN)
  public class Introspector {
     
     @RequestParameter
     private String name;
     
     public Attribute[] getAttributes() throws Exception
     {
        if (name==null) return null;
        Object component = Contexts.lookupInStatefulContexts(name);
        if (component==null) 
        {
           return null;
        }
        else if (component instanceof Map)
        {
           return getMapAttributes( (Map) component );
        }
        else if (component instanceof List)
        {
           return getListAttributes( (List) component );
        }
        else
        {
           return getComponentAttributes(component);
        }
     }
     
     public Attribute[] getMapAttributes(Map<Object, Object> map)
     {
        Attribute[] attributes = new Attribute[map.size()];
        int i=0;
        for( Map.Entry me: map.entrySet() )
        {
           attributes[i++] = new Attribute( me.getKey().toString(), me.getValue() );
        }
        return attributes;
     }
  
     public Attribute[] getListAttributes(List list)
     {
        Attribute[] attributes = new Attribute[list.size()];
        for(int i=0; i<list.size(); i++ )
        {
           attributes[i] = new Attribute( Integer.toString(i), list.get(i) );
        }
        return attributes;
     }
  
     private Attribute[] getComponentAttributes(Object component) throws IntrospectionException, IllegalAccessException {
        BeanInfo bi = java.beans.Introspector.getBeanInfo( component.getClass() );
        //MethodDescriptor[] methods = bi.getMethodDescriptors();
        PropertyDescriptor[] properties = bi.getPropertyDescriptors();
        Attribute[] attributes = new Attribute[properties.length+1];
        for (int i=0; i<properties.length; i++)
        {
           Object value;
           try
           {
              Method readMethod = properties[i].getReadMethod();
              if (readMethod==null) continue;
              value = readMethod.invoke(component);
           }
           catch (InvocationTargetException ite)
           {
              Throwable e = ite.getCause();
              value = toString(e);
           }
           
           boolean convertArrayToList = value!=null && 
              value.getClass().isArray() && 
              !value.getClass().getComponentType().isPrimitive();
           if ( convertArrayToList )
           {
              value = Arrays.asList( (Object[]) value );
           }
           
           attributes[i] = new Attribute( properties[i].getDisplayName(), value );
        }
        
        String toString;
        try
        {
            toString = component.toString();
        }
        catch (Exception e)
        {
            toString = e.getClass().getName() + '[' + e.getMessage() + ']';
        }
        attributes[properties.length] = new Attribute("toString()", toString);
        
        return attributes;
     }
  
     private static String toString(Throwable e)
     {
        return e.getClass().getName() + '[' + e.getMessage() + ']';
     }
     
     public static class Attribute
     {
        private String name;
        private Object value;
        
        public Attribute(String name, Object value)
        {
           this.name = name;
           this.value = value;
        }
        
        public String getName() 
        {
           return name;
        }
        
        public Object getValue() 
        {
           return value;
        }
        
        public String getStringValue() 
        {
           try
           {
              return value==null ? null : value.toString();
           }
           catch (Throwable e)
           {
              return Introspector.toString(e);
           }
        }
        
     }
  }