Examples of java.beans.Statement

java.beans.Statement
A Statement object represents a primitive statement in which a single method is applied to a target and a set of arguments - as in "a.setFoo(b)". Note that where this example uses names to denote the target and its argument, a statement object does not require a name space and is constructed with the values themselves. The statement object associates the named method with its environment as a simple set of values: the target and an array of argument values. @since 1.4 @version 1.31 05/23/06 @author Philip Milne

            GeneralPath a = (GeneralPath)oldInstance;
            
            AffineTransform tx = new AffineTransform();
            PathIterator itr = a.getPathIterator(tx);
            
            out.writeStatement(new Statement(a, "setWindingRule", new Object[] {a.getWindingRule()}));
            
            while (!itr.isDone()) {
                float[] segment = new float[6]; //must use floats because lineTo etc use floats
                int pathType = itr.currentSegment(segment);
                
                switch (pathType) {
                    case PathIterator.SEG_CLOSE:
                        out.writeStatement(new Statement(a, "closePath", new Object[0]));
                        break;
                    case PathIterator.SEG_CUBICTO:
                        out.writeStatement(new Statement(a, "curveTo", new Object[] {segment[0], segment[1], segment[2], segment[3], segment[4], segment[5]}));
                        break;
                    case PathIterator.SEG_LINETO:
                        out.writeStatement(new Statement(a, "lineTo", new Object[] {segment[0], segment[1]}));
                        break;
                    case PathIterator.SEG_MOVETO:
                        out.writeStatement(new Statement(a, "moveTo", new Object[] {segment[0], segment[1]}));
                        break;
                    case PathIterator.SEG_QUADTO:
                        out.writeStatement(new Statement(a, "quadTo", new Object[] {segment[0], segment[1], segment[2], segment[3]}));
                        break;
                }
                itr.next();
            }
        }

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        }
        @Override
        protected void initialize(Class<?> type, Object oldInstance, Object newInstance, Encoder out) {
            //u.p("rh init ");
            RenderingHints rh = (RenderingHints)oldInstance;
            out.writeStatement(new Statement(oldInstance, "put",
                    new Object[] {RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON}));
            //u.p("done");
        }

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                //out.writeStatement(new Statement(owner,"fromXMLURL",new Object[]{ip.getImageString()}));
                //out.writeStatement(new Statement(oldInstance,"setImageString",new Object[]{
                //new Expression(oldInstance,owner,"fromXMLURL",new Object[]{ip.getImageString()})
                //}));
                
            out.writeStatement(new Statement(oldInstance,"setResolver",new Object[]{owner}));
            out.writeStatement(new Statement(oldInstance,"setImageString",new Object[]{s}));
        }

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    protected void initialize(Class<?> type, Object oldInstance, Object newInstance, Encoder out) {
      java.util.Collection oldO = (java.util.Collection) oldInstance;
      java.util.Collection newO = (java.util.Collection) newInstance;


      if (newO.size() != 0) {
        out.writeStatement(new Statement(oldInstance, "clear", new Object[] {}));
      }
      for (Iterator i = oldO.iterator(); i.hasNext();) {
        out.writeStatement(new Statement(oldInstance, "add", new Object[] {i.next()}));
      }
    }

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    protected void initialize(Class<?> type, Object oldInstance, Object newInstance, Encoder out) {
      java.util.Collection oldO = (java.util.Collection) oldInstance;
      java.util.Collection newO = (java.util.Collection) newInstance;


      if (newO.size() != 0) {
        out.writeStatement(new Statement(oldInstance, "clear", new Object[] {}));
      }
      for (Iterator i = oldO.iterator(); i.hasNext();) {
        out.writeStatement(new Statement(oldInstance, "add", new Object[] {i.next()}));
      }
    }

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    protected void initialize(Class<?> type, Object oldInstance, Object newInstance, Encoder out) {
      java.util.Collection oldO = (java.util.Collection) oldInstance;
      java.util.Collection newO = (java.util.Collection) newInstance;


      if (newO.size() != 0) {
        out.writeStatement(new Statement(oldInstance, "clear", new Object[] {}));
      }
      for (Iterator i = oldO.iterator(); i.hasNext();) {
        out.writeStatement(new Statement(oldInstance, "add", new Object[] {i.next()}));
      }
    }

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  public static class TimestampPersistenceDelegate extends DatePersistenceDelegate {
    @Override
    protected void initialize(Class<?> type, Object oldInstance, Object newInstance, Encoder out) {
      Timestamp ts = (Timestamp)oldInstance;
      Object[] args = { ts.getNanos() };
      Statement stmt = new Statement(oldInstance, "setNanos", args);
      out.writeStatement(stmt);
    }

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    @Override
    protected void initialize(Class type, Object oldInstance, Object newInstance, Encoder out) {
      Iterator ite = ((Collection) oldInstance).iterator();
      while (ite.hasNext()) {
        out.writeStatement(new Statement(oldInstance, "add", new Object[] {ite.next()}));
      }
    }

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     * @param owner
     * @param value
     */
    public static boolean setAttributeValue(String propName, Object owner, Object value){
        try {
            Statement stmt = new Statement(owner, "set" + propName, new Object[]{value}); //$NON-NLS-1$
            stmt.execute();
            return true;
        } catch (Exception e) {
            return false;    }    
    }

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            spl.invoke(obj, args);
            /*
             * Set the prefix that is added to each property change event from this class
             */
            Logger.getLogger("PropertyChange").debug("Property change Prefix >" + prefix + "<"); //$NON-NLS-1$ //$NON-NLS-2$
            Statement stmt = new Statement(obj, "setChangePrefix",  new Object[] {prefix}); //$NON-NLS-1$
            stmt.execute();
            if ((obj instanceof DataValue) || (obj instanceof GenericNode))
                return;
            BeanInfo bi = Introspector.getBeanInfo(obj.getClass());


            /*

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