Example usage for java.beans PropertyDescriptor PropertyDescriptor

Introduction

In this page you can find the example usage for java.beans PropertyDescriptor PropertyDescriptor.

Prototype

PropertyDescriptor(PropertyDescriptor x, PropertyDescriptor y) 

Source Link

Document

Package-private constructor.

Usage

From source file:ColorsBeanInfo.java

  public PropertyDescriptor[] getPropertyDescriptors() {
  try {//  w w w  . ja v a2  s  . co m
    PropertyDescriptor rectangular = new PropertyDescriptor("rectangular", Colors.class);
    PropertyDescriptor pd[] = { rectangular };
    return pd;
  } catch (Exception e) {
  }
  return null;
}

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From source file:org.neovera.jdiablo.internal.BeanUtils.java

public static Method getWriteMethod(String fieldName, Class<?> clz) {
    try {/*w  w  w  .  j av  a2s  . c o m*/
        return PropertyUtils.getWriteMethod(new PropertyDescriptor(fieldName, clz));
    } catch (IntrospectionException e) {
        _logger.error(e.getMessage(), e);
        throw new RuntimeException(e.getMessage(), e);
    }
}

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From source file:org.mypsycho.beans.DescriptorExtension.java

/**
 * Constructor./*from www  . j a  va 2  s.  c o  m*/
 *
 * @param applicable type applicable
 * @param propName property name
 * @throws IntrospectionException
 */
public DescriptorExtension(Class<?> type, String propName, boolean override) throws IntrospectionException {
    this(type, propName, override ? new PropertyDescriptor(propName, type) : null);
}

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From source file:com.googlecode.jsonschema2pojo.integration.PropertiesIT.java

@Test
@SuppressWarnings("rawtypes")
public void propertiesWithNullValuesAreOmittedWhenSerialized() throws ClassNotFoundException,
        IntrospectionException, InstantiationException, IllegalAccessException, InvocationTargetException {

    ClassLoader resultsClassLoader = generateAndCompile("/schema/properties/nullProperties.json",
            "com.example");

    Class generatedType = resultsClassLoader.loadClass("com.example.NullProperties");
    Object instance = generatedType.newInstance();

    Method setter = new PropertyDescriptor("property", generatedType).getWriteMethod();
    setter.invoke(instance, "value");

    assertThat(mapper.valueToTree(instance).toString(), containsString("property"));

    setter.invoke(instance, (Object) null);

    assertThat(mapper.valueToTree(instance).toString(), not(containsString("property")));

}

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From source file:org.jsonschema2pojo.integration.PropertiesIT.java

@Test
@SuppressWarnings("rawtypes")
public void propertiesWithNullValuesAreOmittedWhenSerialized() throws ClassNotFoundException,
        IntrospectionException, InstantiationException, IllegalAccessException, InvocationTargetException {

    ClassLoader resultsClassLoader = schemaRule.generateAndCompile("/schema/properties/nullProperties.json",
            "com.example");

    Class generatedType = resultsClassLoader.loadClass("com.example.NullProperties");
    Object instance = generatedType.newInstance();

    Method setter = new PropertyDescriptor("property", generatedType).getWriteMethod();
    setter.invoke(instance, "value");

    assertThat(mapper.valueToTree(instance).toString(), containsString("property"));

    setter.invoke(instance, (Object) null);

    assertThat(mapper.valueToTree(instance).toString(), not(containsString("property")));

}

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From source file:BeanUtil.java

/**
 * Retreives a property descriptor object for a given property.
 * <p>//w  w  w. j a  v a2 s.co m
 * Uses the classes in <code>java.beans</code> to get back
 * a descriptor for a property.  Read-only and write-only
 * properties will have a slower return time.
 * </p>
 *
 * @param propertyName The programmatic name of the property
 * @param beanClass The Class object for the target bean.
 *                  For example sun.beans.OurButton.class.
 * @return a PropertyDescriptor for a property that follows the
 *         standard Java naming conventions.
 * @throws PropertyNotFoundException indicates that the property
 *         could not be found on the bean class.
 */
private static final PropertyDescriptor getPropertyDescriptor(String propertyName, Class beanClass) {

    PropertyDescriptor resultPropertyDescriptor = null;

    char[] pNameArray = propertyName.toCharArray();
    pNameArray[0] = Character.toLowerCase(pNameArray[0]);
    propertyName = new String(pNameArray);

    try {
        resultPropertyDescriptor = new PropertyDescriptor(propertyName, beanClass);
    } catch (IntrospectionException e1) {
        // Read-only and write-only properties will throw this
        // exception.  The properties must be looked up using
        // brute force.

        // This will get the list of all properties and iterate
        // through looking for one that matches the property
        // name passed into the method.
        try {
            BeanInfo beanInfo = Introspector.getBeanInfo(beanClass);

            PropertyDescriptor[] propertyDescriptors = beanInfo.getPropertyDescriptors();

            for (int i = 0; i < propertyDescriptors.length; i++) {
                if (propertyDescriptors[i].getName().equals(propertyName)) {

                    // If the names match, this this describes the
                    // property being searched for.  Break out of
                    // the iteration.
                    resultPropertyDescriptor = propertyDescriptors[i];
                    break;
                }
            }
        } catch (IntrospectionException e2) {
            e2.printStackTrace();
        }
    }

    // If no property descriptor was found, then this bean does not
    // have a property matching the name passed in.
    if (resultPropertyDescriptor == null) {
        System.out.println("resultPropertyDescriptor == null");
    }

    return resultPropertyDescriptor;
}

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From source file:jp.gr.java_conf.ka_ka_xyz.processor.JPA20AnnotationProcessor.java

private void registerMethodAnnotation(Field field, Class<?> clazz) {
    try {/*  ww w . ja  va 2 s . c o  m*/
        String fieldName = field.getName();
        PropertyDescriptor pd = new PropertyDescriptor(fieldName, clazz);
        Column column = pd.getReadMethod().getAnnotation(Column.class);
        String colName;
        if (column != null) {
            colName = column.name();
            fieldColMap.put(fieldName, colName);
        }

    } catch (IntrospectionException e) {
        e.printStackTrace();
        return;
    }
}

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From source file:ch.silviowangler.dox.AutomaticTranslatorAdvice.java

public void addTranslationIfNeeded(Object retVal) throws Throwable {

    if (retVal == null)
        return;//from  w  w  w  . j a  va 2s .c  om

    translateWhenPossible(retVal);

    TranslateProperties translateProperties = retVal.getClass().getAnnotation(TranslateProperties.class);
    if (translateProperties != null) {
        final String className = retVal.getClass().getName();
        logger.debug("detected class that declares translatable properties {}", className);

        for (String propertyName : translateProperties.value()) {
            logger.trace("About to inspect property {} of class {}", propertyName, className);
            Object propertyValue = new PropertyDescriptor(propertyName, retVal.getClass()).getReadMethod()
                    .invoke(retVal);

            if (propertyValue != null) {
                logger.trace("Property {} is class {}", propertyName, propertyValue.getClass().getName());
                translateWhenPossible(propertyValue);
            } else {
                logger.trace("Property {} has null value", propertyName);
            }
        }
    }
    logger.debug("Return value is {}", retVal);
}

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From source file:com.googlecode.jsonschema2pojo.integration.PropertiesIT.java

@Test
@SuppressWarnings("rawtypes")
public void propertiesAreSerializedInCorrectOrder() throws ClassNotFoundException, IntrospectionException,
        InstantiationException, IllegalAccessException, InvocationTargetException {

    ClassLoader resultsClassLoader = generateAndCompile("/schema/properties/orderedProperties.json",
            "com.example");

    Class generatedType = resultsClassLoader.loadClass("com.example.OrderedProperties");
    Object instance = generatedType.newInstance();

    new PropertyDescriptor("type", generatedType).getWriteMethod().invoke(instance, "1");
    new PropertyDescriptor("id", generatedType).getWriteMethod().invoke(instance, "2");
    new PropertyDescriptor("name", generatedType).getWriteMethod().invoke(instance, "3");
    new PropertyDescriptor("hastickets", generatedType).getWriteMethod().invoke(instance, true);
    new PropertyDescriptor("starttime", generatedType).getWriteMethod().invoke(instance, "4");

    String serialized = mapper.valueToTree(instance).toString();

    assertThat("Properties are not in expected order", serialized.indexOf("type"),
            is(lessThan(serialized.indexOf("id"))));
    assertThat("Properties are not in expected order", serialized.indexOf("id"),
            is(lessThan(serialized.indexOf("name"))));
    assertThat("Properties are not in expected order", serialized.indexOf("name"),
            is(lessThan(serialized.indexOf("hastickets"))));
    assertThat("Properties are not in expected order", serialized.indexOf("hastickets"),
            is(lessThan(serialized.indexOf("starttime"))));

}

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From source file:org.suren.autotest.web.framework.data.PageRefDynamicData.java

@Override
public String getValue(String orginData) {
    if (StringUtils.isBlank(orginData)) {
        return null;
    }//from  w  w  w.  ja v  a2  s .c  om

    String[] orginArrayData = orginData.split("\\.", 2);

    String clsName = orginArrayData[0];
    String fieldName = orginArrayData[1];

    clsName = StringUtils.uncapitalize(clsName); //springbean????

    Page page = null;

    try {
        page = context.getBean(clsName, Page.class);
    } catch (NoSuchBeanDefinitionException e) {
        LOGGER.error("Can not found page class by name [{}].", clsName);
    } catch (BeanNotOfRequiredTypeException e) {
        LOGGER.error("The class [{}] is not a Page type.", clsName);
    }

    if (page == null) {
        throw new RuntimeException("Can not found page class!");
    }

    try {
        Method readMethod = new PropertyDescriptor(fieldName, page.getClass()).getReadMethod();

        Object result = readMethod.invoke(page);
        if (result != null && AbstractElement.class.isAssignableFrom(result.getClass())) {
            if (result instanceof Text) {
                return ((Text) result).getValue();
            } else {
                throw new RuntimeException("Not support field type [" + result.getClass() + "].");
            }
        }
    } catch (IntrospectionException e) {
        e.printStackTrace();
    } catch (IllegalAccessException e) {
        e.printStackTrace();
    } catch (IllegalArgumentException e) {
        e.printStackTrace();
    } catch (InvocationTargetException e) {
        e.printStackTrace();
    }

    return null;
}

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