Examples of org.springframework.beans.BeanWrapperImpl

org.springframework.beans.BeanWrapperImpl
Default {@link BeanWrapper} implementation that should be sufficientfor all typical use cases. Caches introspection results for efficiency.
Note: Auto-registers default property editors from the org.springframework.beans.propertyeditors package, which apply in addition to the JDK's standard PropertyEditors. Applications can call the {@link #registerCustomEditor(Class,java.beans.PropertyEditor)} methodto register an editor for a particular instance (i.e. they are not shared across the application). See the base class {@link PropertyEditorRegistrySupport} for details.
BeanWrapperImpl will convert collection and array values to the corresponding target collections or arrays, if necessary. Custom property editors that deal with collections or arrays can either be written via PropertyEditor's setValue, or against a comma-delimited String via setAsText, as String arrays are converted in such a format if the array itself is not assignable.
NOTE: As of Spring 2.5, this is - for almost all purposes - an internal class. It is just public in order to allow for access from other framework packages. For standard application access purposes, use the {@link PropertyAccessorFactory#forBeanPropertyAccess} factory method instead. @author Rod Johnson @author Juergen Hoeller @author Rob Harrop @since 15 April 2001 @see #registerCustomEditor @see #setPropertyValues @see #setPropertyValue @see #getPropertyValue @see #getPropertyType @see BeanWrapper @see PropertyEditorRegistrySupport

  }


  public void testCustomNumberEditorWithoutAllowEmpty() {
    NumberFormat nf = NumberFormat.getNumberInstance(Locale.GERMAN);
    NumberTestBean tb = new NumberTestBean();
    BeanWrapper bw = new BeanWrapperImpl(tb);
    bw.registerCustomEditor(short.class, new CustomNumberEditor(Short.class, nf, false));
    bw.registerCustomEditor(Short.class, new CustomNumberEditor(Short.class, nf, false));
    bw.registerCustomEditor(int.class, new CustomNumberEditor(Integer.class, nf, false));
    bw.registerCustomEditor(Integer.class, new CustomNumberEditor(Integer.class, nf, false));
    bw.registerCustomEditor(long.class, new CustomNumberEditor(Long.class, nf, false));
    bw.registerCustomEditor(Long.class, new CustomNumberEditor(Long.class, nf, false));
    bw.registerCustomEditor(BigInteger.class, new CustomNumberEditor(BigInteger.class, nf, false));
    bw.registerCustomEditor(float.class, new CustomNumberEditor(Float.class, nf, false));
    bw.registerCustomEditor(Float.class, new CustomNumberEditor(Float.class, nf, false));
    bw.registerCustomEditor(double.class, new CustomNumberEditor(Double.class, nf, false));
    bw.registerCustomEditor(Double.class, new CustomNumberEditor(Double.class, nf, false));
    bw.registerCustomEditor(BigDecimal.class, new CustomNumberEditor(BigDecimal.class, nf, false));


    bw.setPropertyValue("short1", "1");
    bw.setPropertyValue("short2", "2");
    bw.setPropertyValue("int1", "7");
    bw.setPropertyValue("int2", "8");
    bw.setPropertyValue("long1", "5");
    bw.setPropertyValue("long2", "6");
    bw.setPropertyValue("bigInteger", "3");
    bw.setPropertyValue("float1", "7,1");
    bw.setPropertyValue("float2", "8,1");
    bw.setPropertyValue("double1", "5,1");
    bw.setPropertyValue("double2", "6,1");
    bw.setPropertyValue("bigDecimal", "4,5");


    assertTrue("Correct short1 value", new Short("1").equals(bw.getPropertyValue("short1")));
    assertTrue("Correct short1 value", tb.getShort1() == 1);
    assertTrue("Correct short2 value", new Short("2").equals(bw.getPropertyValue("short2")));
    assertTrue("Correct short2 value", new Short("2").equals(tb.getShort2()));
    assertTrue("Correct int1 value", new Integer("7").equals(bw.getPropertyValue("int1")));
    assertTrue("Correct int1 value", tb.getInt1() == 7);
    assertTrue("Correct int2 value", new Integer("8").equals(bw.getPropertyValue("int2")));
    assertTrue("Correct int2 value", new Integer("8").equals(tb.getInt2()));
    assertTrue("Correct long1 value", new Long("5").equals(bw.getPropertyValue("long1")));
    assertTrue("Correct long1 value", tb.getLong1() == 5);
    assertTrue("Correct long2 value", new Long("6").equals(bw.getPropertyValue("long2")));
    assertTrue("Correct long2 value", new Long("6").equals(tb.getLong2()));
    assertTrue("Correct bigInteger value", new BigInteger("3").equals(bw.getPropertyValue("bigInteger")));
    assertTrue("Correct bigInteger value", new BigInteger("3").equals(tb.getBigInteger()));
    assertTrue("Correct float1 value", new Float("7.1").equals(bw.getPropertyValue("float1")));
    assertTrue("Correct float1 value", new Float("7.1").equals(new Float(tb.getFloat1())));
    assertTrue("Correct float2 value", new Float("8.1").equals(bw.getPropertyValue("float2")));
    assertTrue("Correct float2 value", new Float("8.1").equals(tb.getFloat2()));
    assertTrue("Correct double1 value", new Double("5.1").equals(bw.getPropertyValue("double1")));
    assertTrue("Correct double1 value", tb.getDouble1() == 5.1);
    assertTrue("Correct double2 value", new Double("6.1").equals(bw.getPropertyValue("double2")));
    assertTrue("Correct double2 value", new Double("6.1").equals(tb.getDouble2()));
    assertTrue("Correct bigDecimal value", new BigDecimal("4.5").equals(bw.getPropertyValue("bigDecimal")));
    assertTrue("Correct bigDecimal value", new BigDecimal("4.5").equals(tb.getBigDecimal()));
  }

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  }


  public void testCustomNumberEditorWithAllowEmpty() {
    NumberFormat nf = NumberFormat.getNumberInstance(Locale.GERMAN);
    NumberTestBean tb = new NumberTestBean();
    BeanWrapper bw = new BeanWrapperImpl(tb);
    bw.registerCustomEditor(long.class, new CustomNumberEditor(Long.class, nf, true));
    bw.registerCustomEditor(Long.class, new CustomNumberEditor(Long.class, nf, true));


    bw.setPropertyValue("long1", "5");
    bw.setPropertyValue("long2", "6");
    assertTrue("Correct long1 value", new Long("5").equals(bw.getPropertyValue("long1")));
    assertTrue("Correct long1 value", tb.getLong1() == 5);
    assertTrue("Correct long2 value", new Long("6").equals(bw.getPropertyValue("long2")));
    assertTrue("Correct long2 value", new Long("6").equals(tb.getLong2()));


    bw.setPropertyValue("long2", "");
    assertTrue("Correct long2 value", bw.getPropertyValue("long2") == null);
    assertTrue("Correct long2 value", tb.getLong2() == null);


    try {
      bw.setPropertyValue("long1", "");
      fail("Should have thrown BeansException");
    }
    catch (BeansException ex) {
      // expected
      assertTrue("Correct long1 value", new Long("5").equals(bw.getPropertyValue("long1")));
      assertTrue("Correct long1 value", tb.getLong1() == 5);
    }
  }

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  }


  public void testCustomNumberEditorWithFrenchBigDecimal() throws Exception {
    NumberFormat nf = NumberFormat.getNumberInstance(Locale.FRENCH);
    NumberTestBean tb = new NumberTestBean();
    BeanWrapper bw = new BeanWrapperImpl(tb);
    bw.registerCustomEditor(BigDecimal.class, new CustomNumberEditor(BigDecimal.class, nf, true));
    bw.setPropertyValue("bigDecimal", "1000");
    assertEquals(1000.0f, tb.getBigDecimal().floatValue(), 0f);
    bw.setPropertyValue("bigDecimal", "1000,5");
    assertEquals(1000.5f, tb.getBigDecimal().floatValue(), 0f);
    bw.setPropertyValue("bigDecimal", "1 000,5");
    assertEquals(1000.5f, tb.getBigDecimal().floatValue(), 0f);
  }

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    }


    protected EnvironmentTemplate parseRoot(Element root) {


        EnvironmentTemplate result = new EnvironmentTemplate();
        BeanWrapper beanWrapper = new BeanWrapperImpl(result);
        result.setName(root.getAttribute("env-name"));
        String cygwinAttribute = root.getAttribute("cygwin");
        if (cygwinAttribute != null && cygwinAttribute.length() > 0)
            beanWrapper.setPropertyValue("cygwin", cygwinAttribute);


        NodeList nl = root.getChildNodes();
        Map<String, VariableDefinition> definitions = new LinkedHashMap<String, VariableDefinition>();
        Map<String, VariableDefinition> rDefinitions = new LinkedHashMap<String, VariableDefinition>();

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    }


    private VariableDefinition importVariableDefinition(Element element) {
        VariableDefinition result = new VariableDefinition();


        BeanWrapper beanWrapper = new BeanWrapperImpl(result);


        final Boolean optional = element.getAttribute("optional") == null ? false : true;              


        beanWrapper.setPropertyValue("variableName", element.getAttribute("var-name"));
        beanWrapper.setPropertyValue("optional", optional);
        beanWrapper.setPropertyValue("path", element.getAttribute("path"));


        NodeList childNodes = element.getChildNodes();
        for (int i = 0; i < childNodes.getLength(); i++) {
            Node node = childNodes.item(i);
            if ("description".equals(node.getNodeName())) {

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        return result;
    }


    private CalculatedVariableDefinition importVariableCalculation(Element element) {
        CalculatedVariableDefinition result = new CalculatedVariableDefinition();
        BeanWrapper beanWrapper = new BeanWrapperImpl(result);
        beanWrapper.setPropertyValue("variableName", element.getAttribute("var-name"));
        beanWrapper.setPropertyValue("path", element.getAttribute("path"));


        NodeList childNodes = element.getChildNodes();
        for (int i = 0; i < childNodes.getLength(); i++) {
            Node node = childNodes.item(i);
            if ("description".equals(node.getNodeName())) {

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        }
        return result;
    }


    private void setProperty(Object object, Element element) {
        BeanWrapper beanWrapper = new BeanWrapperImpl(object);
        NodeList childNodes = element.getChildNodes();
        for (int i = 0; i < childNodes.getLength(); i++) {
            Node node = childNodes.item(i);
            if ("value".equals(node.getNodeName())) {
                String value = node.getTextContent();
                beanWrapper.setPropertyValue(element.getAttribute("name"), value);
            }
        }
    }

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    }.runTest();
  }


  public void testByteArrayPropertyEditor() {
    PrimitiveArrayBean bean = new PrimitiveArrayBean();
    BeanWrapper bw = new BeanWrapperImpl(bean);
    bw.setPropertyValue("byteArray", "myvalue");
    assertEquals("myvalue", new String(bean.getByteArray()));
  }

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    assertEquals("myvalue", new String(bean.getByteArray()));
  }


  public void testCharArrayPropertyEditor() {
    PrimitiveArrayBean bean = new PrimitiveArrayBean();
    BeanWrapper bw = new BeanWrapperImpl(bean);
    bw.setPropertyValue("charArray", "myvalue");
    assertEquals("myvalue", new String(bean.getCharArray()));
  }

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    assertEquals("myvalue", new String(bean.getCharArray()));
  }


  public void testCharacterEditor() {
    CharBean cb = new CharBean();
    BeanWrapper bw = new BeanWrapperImpl(cb);


    bw.setPropertyValue("myChar", new Character('c'));
    assertEquals('c', cb.getMyChar());


    bw.setPropertyValue("myChar", "c");
    assertEquals('c', cb.getMyChar());


    bw.setPropertyValue("myChar", "\u0041");
    assertEquals('A', cb.getMyChar());


    bw.setPropertyValue("myChar", "\\u0022");
    assertEquals('"', cb.getMyChar());
    
    CharacterEditor editor = new CharacterEditor(false);
    editor.setAsText("M");
    assertEquals("M", editor.getAsText());

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