Examples of java.beans.IndexedPropertyDescriptor

java.beans.IndexedPropertyDescriptor
An IndexedPropertyDescriptor describes a property that acts like an array and has an indexed read and/or indexed write method to access specific elements of the array.
An indexed property may also provide simple non-indexed read and write methods. If these are present, they read and write arrays of the type returned by the indexed read method.

                Method method = null;
                for (PropertyDescriptor pd : pds) {
                    if (propertyValue.equals(pd.getName())) {
                        int argsNum = getArgumentsNumber();
                        if (hasAttr("index")) { //$NON-NLS-1$
                            IndexedPropertyDescriptor ipd = (IndexedPropertyDescriptor) pd;
                            if (argsNum == 1) {
                                method = ipd.getIndexedReadMethod();
                            } else if (argsNum == 0) {
                                method = ipd.getReadMethod();
                            }
                        } else {
                            method = pd.getReadMethod();
                        }


                        if (method != null) {
                            methodFound = matchMethodParams(method, references);
                        }


                        if (methodFound == false) {
                            if (hasAttr("index")) { //$NON-NLS-1$
                                IndexedPropertyDescriptor ipd = (IndexedPropertyDescriptor) pd;
                                if (argsNum == 2) {
                                    method = ipd.getIndexedWriteMethod();
                                } else if (argsNum == 1) {
                                    method = ipd.getWriteMethod();
                                }
                            } else {
                                method = pd.getWriteMethod();
                            }
                        }

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        throw new IllegalPropertyNameException(btype.getType(), ""+name);
      }
      else{
        if(desc.getWriteMethod()==null){
          if(desc instanceof IndexedPropertyDescriptor){
            final IndexedPropertyDescriptor idesc = (IndexedPropertyDescriptor)desc;
            if(idesc.getIndexedWriteMethod()!=null){
              return;
            }
          }
          throw new NonWritablePropertyException(btype.getType(), ""+name);
        }

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    try
    {
      PropertyDescriptor[] s_descriptors = new PropertyDescriptor[3];
      s_descriptors[0] = new PropertyDescriptor(Folder.IPropertyNames.ID, Folder.class, "getIdentifier", "setIdentifier");
      s_descriptors[1] = new PropertyDescriptor(Folder.IPropertyNames.NAME, Folder.class, "getName", "setName");
      s_descriptors[2] = new IndexedPropertyDescriptor(Folder.IPropertyNames.SUB_FOLDERS, Folder.class, "getSubFolders", "setSubFolders", "getSubFolder", "setSubFolder");


      return s_descriptors;
    }
    catch (IntrospectionException e)
    {

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     */
    public static Object getValue(Object bean,
            PropertyDescriptor propertyDescriptor, int index) {
        if (propertyDescriptor instanceof IndexedPropertyDescriptor) {
            try {
                IndexedPropertyDescriptor ipd =
                    (IndexedPropertyDescriptor) propertyDescriptor;
                Method method = ipd.getIndexedReadMethod();
                if (method != null) {
                    return method.invoke(
                        bean,
                        new Object[] { new Integer(index)});
                }

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     */
    public static void setValue(Object bean,
            PropertyDescriptor propertyDescriptor, int index, Object value) {
        if (propertyDescriptor instanceof IndexedPropertyDescriptor) {
            try {
                IndexedPropertyDescriptor ipd =
                    (IndexedPropertyDescriptor) propertyDescriptor;
                Method method = ipd.getIndexedWriteMethod();
                if (method != null) {
                    method.invoke(
                        bean,
                        new Object[] {
                            new Integer(index),
                            convert(value, ipd.getIndexedPropertyType())});
                    return;
                }
            }
            catch (Exception ex) {
                throw new RuntimeException(

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        for (PropertyDescriptor element : pds) {
            if (element.getName().equals("class")) {
                assertNull(element.getWriteMethod());
                assertNotNull(element.getReadMethod());
            } else {
                IndexedPropertyDescriptor indexedDesc =
                        (IndexedPropertyDescriptor) element;
                
                assertEquals("fox401", element.getName());
                assertEquals(String[].class.getName(), element
                        .getPropertyType().getName());
                assertEquals(String.class.getName(), indexedDesc
                        .getIndexedPropertyType().getName());
                assertNotNull(element.getWriteMethod());
                assertNotNull(element.getReadMethod());
                assertNotNull(indexedDesc.getIndexedReadMethod());
                assertNotNull(indexedDesc.getIndexedWriteMethod());
            }
        }
    }

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        for (PropertyDescriptor element : propertyDesc) {
            if (element.getName().equals("class")) {
                assertNull(element.getWriteMethod());
                assertNotNull(element.getReadMethod());
            } else {
                IndexedPropertyDescriptor indexedDesc =
                        (IndexedPropertyDescriptor) element;
                
                assertEquals("fox501", element.getName());
                assertEquals(String[].class.getName(), element
                        .getPropertyType().getName());
                assertNotNull(element.getWriteMethod());
                assertNotNull(element.getReadMethod());
                assertNotNull(indexedDesc.getIndexedReadMethod());
                assertNull(indexedDesc.getIndexedWriteMethod());
                assertEquals(String.class.getName(), indexedDesc
                        .getIndexedPropertyType().getName());
            }
        }
    }

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        for (PropertyDescriptor element : propertyDesc) {
            if (element.getName().equals("class")) {
                assertNull(element.getWriteMethod());
                assertNotNull(element.getReadMethod());
            } else {
                IndexedPropertyDescriptor indexedDesc = (IndexedPropertyDescriptor) element;
                assertEquals("fox501", element.getName());
                assertEquals(String[].class.getName(), element
                        .getPropertyType().getName());
                assertNull(element.getWriteMethod());
                assertNotNull(element.getReadMethod());
                assertNull(indexedDesc.getIndexedReadMethod());
                assertNotNull(indexedDesc.getIndexedWriteMethod());
                assertEquals(String.class.getName(), indexedDesc
                        .getIndexedPropertyType().getName());
            }
        }
    }

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        for (PropertyDescriptor element : propertyDesc) {
            if (element.getName().equals("class")) {
                assertNull(element.getWriteMethod());
                assertNotNull(element.getReadMethod());
            } else {
                IndexedPropertyDescriptor indexedDesc = (IndexedPropertyDescriptor) element;
                assertEquals("fox501", element.getName());
                assertNull(element.getPropertyType());
                assertNull(element.getWriteMethod());
                assertNull(element.getReadMethod());
                assertNull(indexedDesc.getIndexedReadMethod());
                assertNotNull(indexedDesc.getIndexedWriteMethod());
                assertEquals(Integer.class.getName(), indexedDesc
                        .getIndexedPropertyType().getName());
            }
        }
    }

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                break;
            }
        }
        assertNotNull(pd);
        assertTrue(pd instanceof IndexedPropertyDescriptor);
        IndexedPropertyDescriptor ipd = (IndexedPropertyDescriptor) pd;
        assertNull(ipd.getReadMethod());
        assertNull(ipd.getWriteMethod());
        Method indexedReadMethod = beanClass.getMethod("getData",
                new Class[] { int.class });
        Method indexedWriteMethod = beanClass.getMethod("setData", new Class[] {
                int.class, int.class });
        assertEquals(indexedReadMethod, ipd.getIndexedReadMethod());
        assertEquals(indexedWriteMethod, ipd.getIndexedWriteMethod());
    }

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