Cre@te Online 2000 December/Cre@teOnline CD05.iso/MacSoft/XML ConsoleMax.sea/XML ConsoleMax/Required/swingall.jar/javax/swing/beaninfo/SwingBeanInfo.class

Java Class File | 1999-07-15 | 5.0 KB | 190 lines

package javax.swing.beaninfo;

import java.awt.Image;
import java.beans.BeanDescriptor;
import java.beans.BeanInfo;
import java.beans.FeatureDescriptor;
import java.beans.IndexedPropertyDescriptor;
import java.beans.IntrospectionException;
import java.beans.Introspector;
import java.beans.PropertyDescriptor;
import java.beans.SimpleBeanInfo;
import java.lang.reflect.Method;

public abstract class SwingBeanInfo extends SimpleBeanInfo {
   public static final String BOUND = "bound";
   public static final String CONSTRAINED = "constrained";
   public static final String PROPERTYEDITORCLASS = "propertyEditorClass";
   public static final String READMETHOD = "readMethod";
   public static final String WRITEMETHOD = "writeMethod";
   public static final String DISPLAYNAME = "displayName";
   public static final String EXPERT = "expert";
   public static final String HIDDEN = "hidden";
   public static final String PREFERRED = "preferred";
   public static final String SHORTDESCRIPTION = "shortDescription";
   public static final String CUSTOMIZERCLASS = "customizerClass";

   private static String capitalize(String var0) {
      if (var0.length() == 0) {
         return var0;
      } else {
         char[] var1 = var0.toCharArray();
         var1[0] = Character.toUpperCase(var1[0]);
         return new String(var1);
      }
   }

   public BeanDescriptor createBeanDescriptor(Class var1, Object[] var2) {
      Class var3 = null;

      for(int var4 = 0; var4 < var2.length; var4 += 2) {
         if ("customizerClass".equals((String)var2[var4])) {
            var3 = (Class)var2[var4 + 1];
            break;
         }
      }

      BeanDescriptor var5 = new BeanDescriptor(var1, var3);

      for(int var6 = 0; var6 < var2.length; var6 += 2) {
         String var7 = (String)var2[var6];
         Object var8 = var2[var6 + 1];
         this.initFeatureDescriptor(var5, var7, var8);
      }

      return var5;
   }

   public PropertyDescriptor createPropertyDescriptor(Class var1, String var2, Object[] var3) {
      PropertyDescriptor var4 = null;

      try {
         var4 = new PropertyDescriptor(var2, var1);
      } catch (IntrospectionException var14) {
         try {
            var4 = this.createReadOnlyPropertyDescriptor(var2, var1);
         } catch (IntrospectionException var13) {
            this.throwError(var13, "Can't create PropertyDescriptor for " + var2 + " ");
         }
      }

      for(int var5 = 0; var5 < var3.length; var5 += 2) {
         String var6 = (String)var3[var5];
         Object var7 = var3[var5 + 1];
         if ("bound".equals(var6)) {
            var4.setBound((Boolean)var7);
         } else if ("constrained".equals(var6)) {
            var4.setConstrained((Boolean)var7);
         } else if ("propertyEditorClass".equals(var6)) {
            var4.setPropertyEditorClass((Class)var7);
         } else if ("readMethod".equals(var6)) {
            String var8 = (String)var7;

            try {
               var1.getMethod(var8);
            } catch (Exception var12) {
               this.throwError(var12, String.valueOf(var1) + " no such method as \"" + var8 + "\"");
            }
         } else if ("writeMethod".equals(var6)) {
            String var15 = (String)var7;

            try {
               Class var10 = var4.getPropertyType();
               var1.getMethod(var15, var10);
            } catch (Exception var11) {
               this.throwError(var11, String.valueOf(var1) + " no such method as \"" + var15 + "\"");
            }
         } else {
            this.initFeatureDescriptor(var4, var6, var7);
         }
      }

      return var4;
   }

   private PropertyDescriptor createReadOnlyPropertyDescriptor(String var1, Class var2) throws IntrospectionException {
      Method var3 = null;
      String var4 = capitalize(var1);
      Class[] var5 = new Class[0];

      try {
         var3 = var2.getMethod("is" + var4, var5);
      } catch (Exception var8) {
      }

      if (var3 == null) {
         try {
            var3 = var2.getMethod("get" + var4, var5);
         } catch (Exception var7) {
         }
      }

      if (var3 != null) {
         return new PropertyDescriptor(var1, var3, (Method)null);
      } else {
         try {
            var5 = new Class[]{Integer.TYPE};
            var3 = var2.getMethod("get" + var4, var5);
         } catch (NoSuchMethodException var6) {
            throw new IntrospectionException("cannot find accessor method for " + var1 + " property.");
         }

         return new IndexedPropertyDescriptor(var1, (Method)null, (Method)null, var3, (Method)null);
      }
   }

   public BeanInfo[] getAdditionalBeanInfo() {
      Class var1 = ((SimpleBeanInfo)this).getBeanDescriptor().getBeanClass().getSuperclass();
      BeanInfo var2 = null;

      try {
         var2 = Introspector.getBeanInfo(var1);
      } catch (IntrospectionException var4) {
      }

      if (var2 != null) {
         BeanInfo[] var3 = new BeanInfo[]{var2};
         return var3;
      } else {
         return null;
      }
   }

   public int getDefaultPropertyIndex() {
      return 0;
   }

   public Image getIcon(int var1) {
      return null;
   }

   private void initFeatureDescriptor(FeatureDescriptor var1, String var2, Object var3) {
      if ("displayName".equals(var2)) {
         var1.setDisplayName((String)var3);
      }

      if ("expert".equals(var2)) {
         var1.setExpert((Boolean)var3);
      }

      if ("hidden".equals(var2)) {
         var1.setHidden((Boolean)var3);
      }

      if ("preferred".equals(var2)) {
         if ("preferred".equals(var2)) {
            var1.setValue(var2, var3);
         }
      } else if ("shortDescription".equals(var2)) {
         var1.setShortDescription((String)var3);
      } else {
         var1.setValue(var2, var3);
      }

   }

   protected void throwError(Exception var1, String var2) {
      throw new Error(((Throwable)var1).toString() + " " + var2);
   }
}