Examples with BeanInfo java.beans.BeanInfo used on opensource projects

Example 86 with BeanInfo

use of java.beans.BeanInfo in project CodenameOne by codenameone.

the class DefaultBeanInfoResolver method getBeanInfo.

public BeanInfo getBeanInfo(Class clazz) {
    if (clazz == null) {
        return null;
    }
    String classname = clazz.getName();
    // look for .impl.basic., remove it and call getBeanInfo(class)
    int index = classname.indexOf(".impl.basic");
    if (index != -1 && classname.endsWith("Basic")) {
        classname = classname.substring(0, index) + classname.substring(index + ".impl.basic".length(), classname.lastIndexOf("Basic"));
        try {
            return getBeanInfo(Class.forName(classname));
        } catch (ClassNotFoundException e) {
            return null;
        }
    } else {
        try {
            BeanInfo beanInfo = (BeanInfo) Class.forName(classname + "BeanInfo").newInstance();
            return beanInfo;
        } catch (Exception e) {
            return null;
        }
    }
}

Example 87 with BeanInfo

use of java.beans.BeanInfo in project activemq-artemis by apache.

the class PropertyUtil method getProperties.

/**
 * Get properties from an object using reflection.  If the passed object is null an
 * empty <code>Map</code> is returned.
 *
 * @param object the Object whose properties are to be extracted.
 * @return <Code>Map</Code> of properties extracted from the given object.
 * @throws Exception if an error occurs while examining the object's properties.
 */
public static Map<String, String> getProperties(Object object) throws Exception {
    if (object == null) {
        return Collections.emptyMap();
    }
    Map<String, String> properties = new LinkedHashMap<>();
    BeanInfo beanInfo = Introspector.getBeanInfo(object.getClass());
    Object[] NULL_ARG = {};
    PropertyDescriptor[] propertyDescriptors = beanInfo.getPropertyDescriptors();
    if (propertyDescriptors != null) {
        for (PropertyDescriptor pd : propertyDescriptors) {
            if (pd.getReadMethod() != null && !pd.getName().equals("class") && !pd.getName().equals("properties") && !pd.getName().equals("reference")) {
                Object value = pd.getReadMethod().invoke(object, NULL_ARG);
                if (value != null) {
                    if (value instanceof Boolean || value instanceof Number || value instanceof String || value instanceof URI || value instanceof URL) {
                        properties.put(pd.getName(), ("" + value));
                    } else if (value instanceof SSLContext) {
                    // ignore this one..
                    } else {
                        Map<String, String> inner = getProperties(value);
                        for (Entry<String, String> entry : inner.entrySet()) {
                            properties.put(pd.getName() + "." + entry.getKey(), entry.getValue());
                        }
                    }
                }
            }
        }
    }
    return properties;
}

Example 88 with BeanInfo

use of java.beans.BeanInfo in project activemq-artemis by apache.

the class ActiveMQTestBase method validateGettersAndSetters.

/**
 * It validates a Bean (POJO) using simple setters and getters with random values.
 * You can pass a list of properties to be ignored, as some properties will have a pre-defined domain (not being possible to use random-values on them)
 */
protected void validateGettersAndSetters(final Object pojo, final String... ignoredProperties) throws Exception {
    HashSet<String> ignoreSet = new HashSet<>();
    for (String ignore : ignoredProperties) {
        ignoreSet.add(ignore);
    }
    BeanInfo info = Introspector.getBeanInfo(pojo.getClass());
    PropertyDescriptor[] properties = info.getPropertyDescriptors();
    for (PropertyDescriptor prop : properties) {
        Object value;
        if (prop.getPropertyType() == String.class) {
            value = RandomUtil.randomString();
        } else if (prop.getPropertyType() == Integer.class || prop.getPropertyType() == Integer.TYPE) {
            value = RandomUtil.randomInt();
        } else if (prop.getPropertyType() == Long.class || prop.getPropertyType() == Long.TYPE) {
            value = RandomUtil.randomLong();
        } else if (prop.getPropertyType() == Boolean.class || prop.getPropertyType() == Boolean.TYPE) {
            value = RandomUtil.randomBoolean();
        } else if (prop.getPropertyType() == Double.class || prop.getPropertyType() == Double.TYPE) {
            value = RandomUtil.randomDouble();
        } else {
            System.out.println("Can't validate property of type " + prop.getPropertyType() + " on " + prop.getName());
            value = null;
        }
        if (value != null && prop.getWriteMethod() != null && prop.getReadMethod() == null) {
            System.out.println("WriteOnly property " + prop.getName() + " on " + pojo.getClass());
        } else if (value != null && prop.getWriteMethod() != null && prop.getReadMethod() != null && !ignoreSet.contains(prop.getName())) {
            System.out.println("Validating " + prop.getName() + " type = " + prop.getPropertyType());
            prop.getWriteMethod().invoke(pojo, value);
            Assert.assertEquals("Property " + prop.getName(), value, prop.getReadMethod().invoke(pojo));
        }
    }
}

Example 89 with BeanInfo

use of java.beans.BeanInfo in project tomcat70 by apache.

the class BeanELResolver method getFeatureDescriptors.

@Override
public Iterator<FeatureDescriptor> getFeatureDescriptors(ELContext context, Object base) {
    if (base == null) {
        return null;
    }
    try {
        BeanInfo info = Introspector.getBeanInfo(base.getClass());
        PropertyDescriptor[] pds = info.getPropertyDescriptors();
        for (int i = 0; i < pds.length; i++) {
            pds[i].setValue(RESOLVABLE_AT_DESIGN_TIME, Boolean.TRUE);
            pds[i].setValue(TYPE, pds[i].getPropertyType());
        }
        return Arrays.asList((FeatureDescriptor[]) pds).iterator();
    } catch (IntrospectionException e) {
    // 
    }
    return null;
}

Example 90 with BeanInfo

use of java.beans.BeanInfo in project jdepth by Crab2died.

the class IntrospectorFeature method main.

public static void main(String[] args) {
    IntrospectorFeature introspector = new IntrospectorFeature();
    try {
        // 
        PropertyDescriptor descriptor = new PropertyDescriptor("property", IntrospectorFeature.class);
        // setter 函数获取
        Method setMethod = descriptor.getWriteMethod();
        // getter 函数获取
        Method getMethod = descriptor.getReadMethod();
        // 调用 setter
        Object obj = setMethod.invoke(introspector, "setter方法");
        // 调用getter
        Object prop = getMethod.invoke(introspector);
        System.out.println(prop);
        BeanInfo beanInfo = Introspector.getBeanInfo(IntrospectorFeature.class);
        PropertyDescriptor[] props = beanInfo.getPropertyDescriptors();
        for (PropertyDescriptor _prop : props) {
            System.out.println(_prop.getDisplayName());
            if ("property".equals(_prop.getName())) {
                System.out.println(_prop.getDisplayName());
            }
        }
    } catch (IllegalAccessException | InvocationTargetException | IntrospectionException e) {
        e.printStackTrace();
    }
}