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Diffstat (limited to 'libjava/gnu/java/beans/BeanInfoEmbryo.java')
-rw-r--r-- | libjava/gnu/java/beans/BeanInfoEmbryo.java | 146 |
1 files changed, 146 insertions, 0 deletions
diff --git a/libjava/gnu/java/beans/BeanInfoEmbryo.java b/libjava/gnu/java/beans/BeanInfoEmbryo.java new file mode 100644 index 00000000000..85aafa11e45 --- /dev/null +++ b/libjava/gnu/java/beans/BeanInfoEmbryo.java @@ -0,0 +1,146 @@ +/* gnu.java.beans.BeanInfoEmbryo + Copyright (C) 1998 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., 59 Temple Place, Suite 330, Boston, MA +02111-1307 USA. + +As a special exception, if you link this library with other files to +produce an executable, this library does not by itself cause the +resulting executable to be covered by the GNU General Public License. +This exception does not however invalidate any other reasons why the +executable file might be covered by the GNU General Public License. */ + + +package gnu.java.beans; + +import java.beans.*; +import java.util.*; +import gnu.java.lang.*; +import java.lang.reflect.*; + +/** + ** 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 { + Hashtable properties = new Hashtable(); + 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; + Enumeration enum = properties.elements(); + while(enum.hasMoreElements()) { + Aproperties[i] = (PropertyDescriptor)enum.nextElement(); + if(defaultPropertyName != null && Aproperties[i].getName().equals(defaultPropertyName)) { + defaultProperty = i; + } + i++; + } + + EventSetDescriptor[] Aevents = new EventSetDescriptor[events.size()]; + i = 0; + enum = events.elements(); + while(enum.hasMoreElements()) { + Aevents[i] = (EventSetDescriptor)enum.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()) + && ArrayHelper.equalsArray(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; + } +} |