| /* gnu.java.beans.BeanInfoEmbryo |
| Copyright (C) 1998, 2002 Free Software Foundation, Inc. |
| |
| This file is part of GNU Classpath. |
| |
| GNU Classpath is free software; you can redistribute it and/or modify |
| it under the terms of the GNU General Public License as published by |
| the Free Software Foundation; either version 2, or (at your option) |
| any later version. |
| |
| GNU Classpath is distributed in the hope that it will be useful, but |
| WITHOUT ANY WARRANTY; without even the implied warranty of |
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| General Public License for more details. |
| |
| You should have received a copy of the GNU General Public License |
| along with GNU Classpath; see the file COPYING. If not, write to the |
| Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA |
| 02110-1301 USA. |
| |
| Linking this library statically or dynamically with other modules is |
| making a combined work based on this library. Thus, the terms and |
| conditions of the GNU General Public License cover the whole |
| combination. |
| |
| As a special exception, the copyright holders of this library give you |
| permission to link this library with independent modules to produce an |
| executable, regardless of the license terms of these independent |
| modules, and to copy and distribute the resulting executable under |
| terms of your choice, provided that you also meet, for each linked |
| independent module, the terms and conditions of the license of that |
| module. An independent module is a module which is not derived from |
| or based on this library. If you modify this library, you may extend |
| this exception to your version of the library, but you are not |
| obligated to do so. If you do not wish to do so, delete this |
| exception statement from your version. */ |
| |
| |
| package gnu.java.beans; |
| |
| import java.beans.BeanDescriptor; |
| import java.beans.BeanInfo; |
| import java.beans.EventSetDescriptor; |
| import java.beans.IndexedPropertyDescriptor; |
| import java.beans.MethodDescriptor; |
| import java.beans.PropertyDescriptor; |
| import java.lang.reflect.Method; |
| import java.util.Arrays; |
| import java.util.Enumeration; |
| import java.util.Hashtable; |
| import java.util.Iterator; |
| import java.util.Map; |
| import java.util.TreeMap; |
| import java.util.Vector; |
| |
| /** |
| ** A BeanInfoEmbryo accumulates information about a Bean |
| ** while it is in the process of being created, and then |
| ** when you are done accumulating the information, the |
| ** getBeanInfo() method may be called to create a BeanInfo |
| ** object based on the information.<P> |
| ** |
| ** This class is not well-synchronized. (It can be, it |
| ** just isn't yet.) |
| ** |
| ** @author John Keiser |
| ** @version 1.1.0, 30 Jul 1998 |
| ** @see java.beans.BeanInfo |
| **/ |
| |
| public class BeanInfoEmbryo { |
| |
| // by using a TreeMap the properties will be sorted alphabetically by name |
| // which matches the (undocumented) behavior of jdk |
| TreeMap properties = new TreeMap(); |
| Hashtable events = new Hashtable(); |
| Vector methods = new Vector(); |
| |
| BeanDescriptor beanDescriptor; |
| BeanInfo[] additionalBeanInfo; |
| java.awt.Image[] im; |
| String defaultPropertyName; |
| String defaultEventName; |
| |
| public BeanInfoEmbryo() { |
| } |
| |
| public BeanInfo getBeanInfo() { |
| int defaultProperty = -1; |
| int defaultEvent = -1; |
| |
| PropertyDescriptor[] Aproperties = new PropertyDescriptor[properties.size()]; |
| int i = 0; |
| Iterator it = properties.entrySet().iterator(); |
| while (it.hasNext()) { |
| Aproperties[i] = (PropertyDescriptor) (((Map.Entry)it.next()).getValue()); |
| if(defaultPropertyName != null && Aproperties[i].getName().equals(defaultPropertyName)) { |
| defaultProperty = i; |
| } |
| i++; |
| } |
| |
| EventSetDescriptor[] Aevents = new EventSetDescriptor[events.size()]; |
| i = 0; |
| Enumeration e = events.elements(); |
| while (e.hasMoreElements()) { |
| Aevents[i] = (EventSetDescriptor) e.nextElement(); |
| if(defaultEventName != null && Aevents[i].getName().equals(defaultEventName)) { |
| defaultEvent = i; |
| } |
| i++; |
| } |
| |
| MethodDescriptor[] Amethods = new MethodDescriptor[methods.size()]; |
| methods.copyInto(Amethods); |
| |
| return new ExplicitBeanInfo(beanDescriptor,additionalBeanInfo,Aproperties,defaultProperty,Aevents,defaultEvent,Amethods,im); |
| } |
| |
| public void setBeanDescriptor(BeanDescriptor b) { |
| beanDescriptor = b; |
| } |
| |
| public void setAdditionalBeanInfo(BeanInfo[] b) { |
| additionalBeanInfo = b; |
| } |
| |
| public boolean hasProperty(PropertyDescriptor p) { |
| return properties.get(p.getName()) != null; |
| } |
| public void addProperty(PropertyDescriptor p) { |
| properties.put(p.getName(),p); |
| } |
| public void addIndexedProperty(IndexedPropertyDescriptor p) { |
| properties.put(p.getName(),p); |
| } |
| |
| public boolean hasEvent(EventSetDescriptor e) { |
| return events.get(e.getName()) != null; |
| } |
| public void addEvent(EventSetDescriptor e) { |
| events.put(e.getName(),e); |
| } |
| |
| public boolean hasMethod(MethodDescriptor m) { |
| for(int i=0;i<methods.size();i++) { |
| Method thisMethod = ((MethodDescriptor)methods.elementAt(i)).getMethod(); |
| if(m.getMethod().getName().equals(thisMethod.getName()) |
| && Arrays.equals(m.getMethod().getParameterTypes(), |
| thisMethod.getParameterTypes())) { |
| return true; |
| } |
| } |
| return false; |
| } |
| public void addMethod(MethodDescriptor m) { |
| methods.addElement(m); |
| } |
| |
| public void setDefaultPropertyName(String defaultPropertyName) { |
| this.defaultPropertyName = defaultPropertyName; |
| } |
| |
| public void setDefaultEventName(String defaultEventName) { |
| this.defaultEventName = defaultEventName; |
| } |
| |
| public void setIcons(java.awt.Image[] im) { |
| this.im = im; |
| } |
| } |