mirror of git://gcc.gnu.org/git/gcc.git
147 lines
4.3 KiB
Java
147 lines
4.3 KiB
Java
/* gnu.java.beans.BeanInfoEmbryo
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Copyright (C) 1998 Free Software Foundation, Inc.
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This file is part of GNU Classpath.
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GNU Classpath is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2, or (at your option)
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any later version.
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GNU Classpath is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with GNU Classpath; see the file COPYING. If not, write to the
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Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
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02111-1307 USA.
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As a special exception, if you link this library with other files to
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produce an executable, this library does not by itself cause the
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resulting executable to be covered by the GNU General Public License.
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This exception does not however invalidate any other reasons why the
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executable file might be covered by the GNU General Public License. */
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package gnu.java.beans;
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import java.beans.*;
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import java.util.*;
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import gnu.java.lang.*;
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import java.lang.reflect.*;
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/**
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** A BeanInfoEmbryo accumulates information about a Bean
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** while it is in the process of being created, and then
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** when you are done accumulating the information, the
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** getBeanInfo() method may be called to create a BeanInfo
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** object based on the information.<P>
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**
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** This class is not well-synchronized. (It can be, it
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** just isn't yet.)
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**
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** @author John Keiser
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** @version 1.1.0, 30 Jul 1998
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** @see java.beans.BeanInfo
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**/
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public class BeanInfoEmbryo {
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Hashtable properties = new Hashtable();
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Hashtable events = new Hashtable();
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Vector methods = new Vector();
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BeanDescriptor beanDescriptor;
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BeanInfo[] additionalBeanInfo;
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java.awt.Image[] im;
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String defaultPropertyName;
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String defaultEventName;
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public BeanInfoEmbryo() {
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}
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public BeanInfo getBeanInfo() {
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int defaultProperty = -1;
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int defaultEvent = -1;
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PropertyDescriptor[] Aproperties = new PropertyDescriptor[properties.size()];
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int i = 0;
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Enumeration enum = properties.elements();
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while(enum.hasMoreElements()) {
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Aproperties[i] = (PropertyDescriptor)enum.nextElement();
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if(defaultPropertyName != null && Aproperties[i].getName().equals(defaultPropertyName)) {
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defaultProperty = i;
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}
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i++;
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}
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EventSetDescriptor[] Aevents = new EventSetDescriptor[events.size()];
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i = 0;
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enum = events.elements();
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while(enum.hasMoreElements()) {
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Aevents[i] = (EventSetDescriptor)enum.nextElement();
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if(defaultEventName != null && Aevents[i].getName().equals(defaultEventName)) {
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defaultEvent = i;
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}
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i++;
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}
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MethodDescriptor[] Amethods = new MethodDescriptor[methods.size()];
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methods.copyInto(Amethods);
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return new ExplicitBeanInfo(beanDescriptor,additionalBeanInfo,Aproperties,defaultProperty,Aevents,defaultEvent,Amethods,im);
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}
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public void setBeanDescriptor(BeanDescriptor b) {
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beanDescriptor = b;
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}
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public void setAdditionalBeanInfo(BeanInfo[] b) {
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additionalBeanInfo = b;
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}
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public boolean hasProperty(PropertyDescriptor p) {
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return properties.get(p.getName()) != null;
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}
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public void addProperty(PropertyDescriptor p) {
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properties.put(p.getName(),p);
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}
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public void addIndexedProperty(IndexedPropertyDescriptor p) {
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properties.put(p.getName(),p);
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}
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public boolean hasEvent(EventSetDescriptor e) {
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return events.get(e.getName()) != null;
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}
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public void addEvent(EventSetDescriptor e) {
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events.put(e.getName(),e);
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}
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public boolean hasMethod(MethodDescriptor m) {
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for(int i=0;i<methods.size();i++) {
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Method thisMethod = ((MethodDescriptor)methods.elementAt(i)).getMethod();
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if(m.getMethod().getName().equals(thisMethod.getName())
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&& ArrayHelper.equalsArray(m.getMethod().getParameterTypes(), thisMethod.getParameterTypes())) {
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return true;
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}
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}
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return false;
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}
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public void addMethod(MethodDescriptor m) {
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methods.addElement(m);
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}
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public void setDefaultPropertyName(String defaultPropertyName) {
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this.defaultPropertyName = defaultPropertyName;
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}
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public void setDefaultEventName(String defaultEventName) {
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this.defaultEventName = defaultEventName;
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}
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public void setIcons(java.awt.Image[] im) {
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this.im = im;
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}
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}
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