java.beans: class: StaticFieldsPersistenceDelegate

java.beans
class: StaticFieldsPersistenceDelegate [javadoc | source]

java.lang.Object
   java.beans.PersistenceDelegate
      java.beans.StaticFieldsPersistenceDelegate

Direct Known Subclasses:
java_awt_font_TextAttribute_PersistenceDelegate, java_awt_SystemColor_PersistenceDelegate

Method from java.beans.StaticFieldsPersistenceDelegate Summary:
installFields, instantiate, writeObject

Methods from java.beans.PersistenceDelegate:
initialize, instantiate, mutatesTo, writeObject

Methods from java.lang.Object:
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Method from java.beans.StaticFieldsPersistenceDelegate Detail:
protected void installFields(Encoder out, Class cls) { Field fields[] = cls.getFields(); for(int i = 0; i < fields.length; i++) { Field field = fields[i]; // Don't install primitives, their identity will not be preserved // by wrapping. if (Object.class.isAssignableFrom(field.getType())) { out.writeExpression(new Expression(field, "get", new Object[]{null})); } } }
protected Expression instantiate(Object oldInstance, Encoder out) { throw new RuntimeException("Unrecognized instance: " + oldInstance); }
public void writeObject(Object oldInstance, Encoder out) { if (out.getAttribute(this) == null) { out.setAttribute(this, Boolean.TRUE); installFields(out, oldInstance.getClass()); } super.writeObject(oldInstance, out); }

Method from java.beans.StaticFieldsPersistenceDelegate Detail:

 protected  void installFields(Encoder out,
    Class cls) {
        Field fields[] = cls.getFields();
        for(int i = 0; i <  fields.length; i++) {
            Field field = fields[i];
            // Don't install primitives, their identity will not be preserved
            // by wrapping.
            if (Object.class.isAssignableFrom(field.getType())) {
                out.writeExpression(new Expression(field, "get", new Object[]{null}));
            }
        }
}

 protected Expression instantiate(Object oldInstance,
    Encoder out) {
        throw new RuntimeException("Unrecognized instance: " + oldInstance);
}

 public  void writeObject(Object oldInstance,
    Encoder out) {
        if (out.getAttribute(this) == null) {
            out.setAttribute(this, Boolean.TRUE);
            installFields(out, oldInstance.getClass());
        }
        super.writeObject(oldInstance, out);
}