Example usage for org.springframework.beans BeanWrapper getPropertyValue

Introduction

In this page you can find the example usage for org.springframework.beans BeanWrapper getPropertyValue.

Prototype

@Nullable
Object getPropertyValue(String propertyName) throws BeansException;

Source Link

Document

Get the current value of the specified property.

Usage

From source file:net.solarnetwork.node.support.XmlServiceSupport.java

/**
 * Turn an object into a simple XML Element, supporting custom property
 * editors.//from w  w  w.ja v a 2s  .com
 * 
 * <p>
 * The returned XML will be a single element with all JavaBean properties
 * turned into attributes. For example:
 * <p>
 * 
 * <pre>
 * &lt;powerDatum
 *   id="123"
 *   pvVolts="123.123"
 *   ... /&gt;
 * </pre>
 * 
 * <p>
 * {@link PropertyEditor} instances can be registered with the supplied
 * {@link BeanWrapper} for custom handling of properties, e.g. dates.
 * </p>
 * 
 * @param bean
 *        the object to turn into XML
 * @param elementName
 *        the name of the XML element
 * @return the element, as an XML DOM Element
 */
protected Element getElement(BeanWrapper bean, String elementName, Document dom) {
    PropertyDescriptor[] props = bean.getPropertyDescriptors();
    Element root = null;
    root = dom.createElement(elementName);
    for (int i = 0; i < props.length; i++) {
        PropertyDescriptor prop = props[i];
        if (prop.getReadMethod() == null) {
            continue;
        }
        String propName = prop.getName();
        if ("class".equals(propName)) {
            continue;
        }
        Object propValue = null;
        PropertyEditor editor = bean.findCustomEditor(prop.getPropertyType(), prop.getName());
        if (editor != null) {
            editor.setValue(bean.getPropertyValue(propName));
            propValue = editor.getAsText();
        } else {
            propValue = bean.getPropertyValue(propName);
        }
        if (propValue == null) {
            continue;
        }
        if (log.isTraceEnabled()) {
            log.trace("attribute name: " + propName + " attribute value: " + propValue);
        }
        root.setAttribute(propName, propValue.toString());
    }
    return root;
}

---

From source file:net.sf.juffrou.reflect.spring.BeanWrapperTests.java

@Test
public void testGetNestedPropertyNullValue() throws Exception {
    ITestBean rod = new TestBean("rod", 31);
    ITestBean kerry = new TestBean("kerry", 35);
    rod.setSpouse(kerry);//from w w  w.  ja  va  2 s .c om

    BeanWrapper bw = new JuffrouSpringBeanWrapper(rod);
    try {
        bw.getPropertyValue("spouse.spouse.age");
        fail("Shouldn't have succeded with null path");
    } catch (NullValueInNestedPathException ex) {
        // ok
        assertTrue("it was the spouse.spouse property that was null, not " + ex.getPropertyName(),
                ex.getPropertyName().equals("spouse.spouse"));
    }
}

---

From source file:net.sf.juffrou.reflect.spring.BeanWrapperTests.java

@Test
public void testErrorMessageOfNestedProperty() {
    ITestBean parent = new TestBean();
    ITestBean child = new DifferentTestBean();
    child.setName("test");
    parent.setSpouse(child);//from   w  w  w .ja v a  2 s  .c o  m
    BeanWrapper bw = new JuffrouSpringBeanWrapper(parent);
    try {
        bw.getPropertyValue("spouse.bla");
    } catch (NotReadablePropertyException ex) {
        assertTrue(ex.getMessage().indexOf(TestBean.class.getName()) != -1);
    }
}

---

From source file:net.sf.juffrou.reflect.spring.BeanWrapperTests.java

@Test
public void testGetNestedProperty() {
    ITestBean rod = new TestBean("rod", 31);
    ITestBean kerry = new TestBean("kerry", 35);
    rod.setSpouse(kerry);/*  w  ww. j a  v  a  2  s . co  m*/
    kerry.setSpouse(rod);
    BeanWrapper bw = new JuffrouSpringBeanWrapper(rod);
    Integer KA = (Integer) bw.getPropertyValue("spouse.age");
    assertTrue("kerry is 35", KA.intValue() == 35);
    Integer RA = (Integer) bw.getPropertyValue("spouse.spouse.age");
    assertTrue("rod is 31, not" + RA, RA.intValue() == 31);
    ITestBean spousesSpouse = (ITestBean) bw.getPropertyValue("spouse.spouse");
    assertTrue("spousesSpouse = initial point", rod == spousesSpouse);
}

---

From source file:net.sf.juffrou.reflect.spring.BeanWrapperTests.java

@Test
public void testBeanWrapperUpdates() {
    TestBean t = new TestBean();
    int newAge = 33;
    try {/* w  w  w  .j  a v a2  s.  co m*/
        BeanWrapper bw = new JuffrouSpringBeanWrapper(t);
        t.setAge(newAge);
        Object bwAge = bw.getPropertyValue("age");
        assertTrue("Age is an integer", bwAge instanceof Integer);
        int bwi = ((Integer) bwAge).intValue();
        assertTrue("Bean wrapper must pick up changes", bwi == newAge);
    } catch (Exception ex) {
        fail("Shouldn't throw exception when everything is valid");
    }
}

---

From source file:net.solarnetwork.node.support.XmlServiceSupport.java

private void writeURLEncodedBeanProperties(BeanWrapper bean, Map<String, ?> attributes, Writer out)
        throws IOException {
    PropertyDescriptor[] props = bean.getPropertyDescriptors();
    boolean propsWritten = false;
    if (attributes != null && attributes.containsKey(ATTR_NODE_ID)) {
        out.write("nodeId=" + attributes.get(ATTR_NODE_ID));
        propsWritten = true;/*  w  w w.j av a 2  s.  c om*/
    }
    for (int i = 0; i < props.length; i++) {
        PropertyDescriptor prop = props[i];
        if (prop.getReadMethod() == null) {
            continue;
        }
        String propName = prop.getName();
        if ("class".equals(propName)) {
            continue;
        }
        Object propValue = null;
        if (attributes != null && attributes.containsKey(propName)) {
            propValue = attributes.get(propName);
        } else {
            PropertyEditor editor = bean.findCustomEditor(prop.getPropertyType(), prop.getName());
            if (editor != null) {
                editor.setValue(bean.getPropertyValue(propName));
                propValue = editor.getAsText();
            } else {
                propValue = bean.getPropertyValue(propName);
            }
        }
        if (propValue == null) {
            continue;
        }
        if (propsWritten) {
            out.write("&");
        }
        out.write(propName);
        out.write("=");
        out.write(URLEncoder.encode(propValue.toString(), "UTF-8"));
        propsWritten = true;
    }
    out.flush();
    out.close();
}

---

From source file:net.sf.juffrou.reflect.spring.BeanWrapperTests.java

@Test
public void testBooleanObject() {
    BooleanTestBean tb = new BooleanTestBean();
    BeanWrapper bw = new JuffrouSpringBeanWrapper(tb);

    bw.setPropertyValue("bool2", "true");
    assertTrue("Correct bool2 value", Boolean.TRUE.equals(bw.getPropertyValue("bool2")));
    assertTrue("Correct bool2 value", tb.getBool2().booleanValue());

    bw.setPropertyValue("bool2", "false");
    assertTrue("Correct bool2 value", Boolean.FALSE.equals(bw.getPropertyValue("bool2")));
    assertTrue("Correct bool2 value", !tb.getBool2().booleanValue());

}

---

From source file:net.sf.juffrou.reflect.spring.BeanWrapperTests.java

@Test
public void testSetNestedPropertyPolymorphic() throws Exception {
    ITestBean rod = new TestBean("rod", 31);
    ITestBean kerry = new Employee();

    BeanWrapper bw = new JuffrouSpringBeanWrapper(rod);
    bw.setPropertyValue("spouse", kerry);
    bw.setPropertyValue("spouse.age", new Integer(35));
    bw.setPropertyValue("spouse.name", "Kerry");
    bw.setPropertyValue("spouse.company", "Lewisham");
    assertTrue("kerry name is Kerry", kerry.getName().equals("Kerry"));

    assertTrue("nested set worked", rod.getSpouse() == kerry);
    assertTrue("no back relation", kerry.getSpouse() == null);
    bw.setPropertyValue(new PropertyValue("spouse.spouse", rod));
    assertTrue("nested set worked", kerry.getSpouse() == rod);

    BeanWrapper kbw = new JuffrouSpringBeanWrapper(kerry);
    assertTrue("spouse.spouse.spouse.spouse.company=Lewisham",
            "Lewisham".equals(kbw.getPropertyValue("spouse.spouse.spouse.spouse.company")));
}

---

From source file:net.sf.juffrou.reflect.spring.BeanWrapperTests.java

@Test
public void testIndexedPropertiesWithDirectAccess() {
    IndexedTestBean bean = new IndexedTestBean();
    BeanWrapper bw = new JuffrouSpringBeanWrapper(bean);
    TestBean tb0 = bean.getArray()[0];//  www  .  ja va2 s  . c om
    TestBean tb1 = bean.getArray()[1];
    TestBean tb2 = ((TestBean) bean.getList().get(0));
    TestBean tb3 = ((TestBean) bean.getList().get(1));
    TestBean tb6 = ((TestBean) bean.getSet().toArray()[0]);
    TestBean tb7 = ((TestBean) bean.getSet().toArray()[1]);
    TestBean tb4 = ((TestBean) bean.getMap().get("key1"));
    TestBean tb5 = ((TestBean) bean.getMap().get("key2"));
    assertEquals(tb0, bw.getPropertyValue("array[0]"));
    assertEquals(tb1, bw.getPropertyValue("array[1]"));
    assertEquals(tb2, bw.getPropertyValue("list[0]"));
    assertEquals(tb3, bw.getPropertyValue("list[1]"));
    assertEquals(tb6, bw.getPropertyValue("set[0]"));
    assertEquals(tb7, bw.getPropertyValue("set[1]"));
    assertEquals(tb4, bw.getPropertyValue("map[key1]"));
    assertEquals(tb5, bw.getPropertyValue("map[key2]"));
    assertEquals(tb4, bw.getPropertyValue("map['key1']"));
    assertEquals(tb5, bw.getPropertyValue("map[\"key2\"]"));

    MutablePropertyValues pvs = new MutablePropertyValues();
    pvs.add("array[0]", tb5);
    pvs.add("array[1]", tb4);
    pvs.add("list[0]", tb3);
    pvs.add("list[1]", tb2);
    pvs.add("list[2]", tb0);
    pvs.add("list[4]", tb1);
    pvs.add("map[key1]", tb1);
    pvs.add("map['key2']", tb0);
    pvs.add("map[key5]", tb4);
    pvs.add("map['key9']", tb5);
    bw.setPropertyValues(pvs);
    assertEquals(tb5, bean.getArray()[0]);
    assertEquals(tb4, bean.getArray()[1]);
    assertEquals(tb3, (bean.getList().get(0)));
    assertEquals(tb2, (bean.getList().get(1)));
    assertEquals(tb0, (bean.getList().get(2)));
    assertEquals(null, (bean.getList().get(3)));
    assertEquals(tb1, (bean.getList().get(4)));
    assertEquals(tb1, (bean.getMap().get("key1")));
    assertEquals(tb0, (bean.getMap().get("key2")));
    assertEquals(tb4, (bean.getMap().get("key5")));
    assertEquals(tb5, (bean.getMap().get("key9")));
    assertEquals(tb5, bw.getPropertyValue("array[0]"));
    assertEquals(tb4, bw.getPropertyValue("array[1]"));
    assertEquals(tb3, bw.getPropertyValue("list[0]"));
    assertEquals(tb2, bw.getPropertyValue("list[1]"));
    assertEquals(tb0, bw.getPropertyValue("list[2]"));
    assertEquals(null, bw.getPropertyValue("list[3]"));
    assertEquals(tb1, bw.getPropertyValue("list[4]"));
    assertEquals(tb1, bw.getPropertyValue("map[\"key1\"]"));
    assertEquals(tb0, bw.getPropertyValue("map['key2']"));
    assertEquals(tb4, bw.getPropertyValue("map[\"key5\"]"));
    assertEquals(tb5, bw.getPropertyValue("map['key9']"));
}

---

From source file:net.sf.juffrou.reflect.spring.BeanWrapperTests.java

@Test
public void testSetNestedProperty() throws Exception {
    ITestBean rod = new TestBean("rod", 31);
    ITestBean kerry = new TestBean("kerry", 0);

    BeanWrapper bw = new JuffrouSpringBeanWrapper(rod);
    bw.setPropertyValue("spouse", kerry);

    assertTrue("nested set worked", rod.getSpouse() == kerry);
    assertTrue("no back relation", kerry.getSpouse() == null);
    bw.setPropertyValue(new PropertyValue("spouse.spouse", rod));
    assertTrue("nested set worked", kerry.getSpouse() == rod);
    assertTrue("kerry age not set", kerry.getAge() == 0);
    bw.setPropertyValue(new PropertyValue("spouse.age", new Integer(35)));
    assertTrue("Set primitive on spouse", kerry.getAge() == 35);

    assertEquals(kerry, bw.getPropertyValue("spouse"));
    assertEquals(rod, bw.getPropertyValue("spouse.spouse"));
}

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