Java Code Examples for org.apache.tomcat.util.IntrospectionUtils#getProperty()

/**
 * Check if the attribute should be printed.
 * @param desc RegistryDescriptor from this bean
 * @param descriptor PropertyDescriptor from this bean property
 * @param attributeName The attribute name to store
 * @param bean The current bean
 * @param bean2 A default instance of the bean for comparison
 * @return null if the value should be skipped, the value to print otherwise
 */
protected Object checkAttribute(StoreDescription desc, PropertyDescriptor descriptor, String attributeName, Object bean, Object bean2) {
    if (descriptor instanceof IndexedPropertyDescriptor) {
        return null; // Indexed properties are not persisted
    }
    if (!isPersistable(descriptor.getPropertyType())
            || (descriptor.getReadMethod() == null)
            || (descriptor.getWriteMethod() == null)) {
        return null; // Must be a read-write primitive or String
    }
    if (desc.isTransientAttribute(descriptor.getName())) {
        return null; // Skip the specified exceptions
    }
    Object value = IntrospectionUtils.getProperty(bean, descriptor.getName());
    if (value == null) {
        return null; // Null values are not persisted
    }
    Object value2 = IntrospectionUtils.getProperty(bean2, descriptor.getName());
    if (value.equals(value2)) {
        // The property has its default value
        return null;
    }
    return value;
}
 

/**
 * Return a property from the protocol handler.
 *
 * @param name the property name
 * @return the property value
 */
public Object getProperty(String name) {
    String repl = name;
    if (replacements.get(name) != null) {
        repl = replacements.get(name);
    }
    return IntrospectionUtils.getProperty(protocolHandler, repl);
}
 

/**
 * Obtain and return the value of a specific attribute of this MBean.
 *
 * @param name Name of the requested attribute
 *
 * @exception AttributeNotFoundException if this attribute is not
 *  supported by this MBean
 * @exception MBeanException if the initializer of an object
 *  throws an exception
 * @exception ReflectionException if a Java reflection exception
 *  occurs when invoking the getter
 */
@Override
public Object getAttribute(String name) throws AttributeNotFoundException, MBeanException,
        ReflectionException {

    // Validate the input parameters
    if (name == null) {
        throw new RuntimeOperationsException(
                new IllegalArgumentException("Attribute name is null"),
                "Attribute name is null");
    }

    Connector connector = doGetManagedResource();
    return IntrospectionUtils.getProperty(connector, name);
}
 

@Override
protected Object checkAttribute(StoreDescription desc,
        PropertyDescriptor descriptor, String attributeName, Object bean,
        Object bean2) {
    if (attributeName.equals("type")) {
        return IntrospectionUtils.getProperty(bean, descriptor.getName());
    } else {
        return super.checkAttribute(desc, descriptor, attributeName, bean, bean2);
    }
}
 

public String getProperty(String name) {
    String value = (String) getAttribute(name);
    final String socketName = "socket.";
    if (value == null && name.startsWith(socketName)) {
        Object result = IntrospectionUtils.getProperty(socketProperties, name.substring(socketName.length()));
        if (result != null) {
            value = result.toString();
        }
    }
    return value;
}
 

/**
 * Return a configured property.
 */
public Object getProperty(String name) {
    String repl = name;
    if (replacements.get(name) != null) {
        repl = replacements.get(name);
    }
    return IntrospectionUtils.getProperty(protocolHandler, repl);
}
 

/**
 * Return a configured property.
 */
public Object getProperty(String name) {
    String repl = name;
    if (replacements.get(name) != null) {
        repl = replacements.get(name);
    }
    return IntrospectionUtils.getProperty(protocolHandler, repl);
}
 

@Override
public void printAttributes(PrintWriter writer, int indent,
        boolean include, Object bean, StoreDescription desc)
        throws Exception {

    // Render a className attribute if requested
    if (include && desc != null && !desc.isStandard()) {
        writer.print(" className=\"");
        writer.print(bean.getClass().getName());
        writer.print("\"");
    }

    Connector connector = (Connector) bean;
    String protocol = connector.getProtocol();
    List<String> propertyKeys = getPropertyKeys(connector);
    // Create blank instance
    Object bean2 = new Connector(protocol);//defaultInstance(bean);
    for (String key : propertyKeys) {
        Object value = IntrospectionUtils.getProperty(bean, key);
        if (desc.isTransientAttribute(key)) {
            continue; // Skip the specified exceptions
        }
        if (value == null) {
            continue; // Null values are not persisted
        }
        if (!isPersistable(value.getClass())) {
            continue;
        }
        Object value2 = IntrospectionUtils.getProperty(bean2, key);
        if (value.equals(value2)) {
            // The property has its default value
            continue;
        }
        if (isPrintValue(bean, bean2, key, desc)) {
            printValue(writer, indent, key, value);
        }
    }
    if (protocol != null && !"HTTP/1.1".equals(protocol))
        super.printValue(writer, indent, "protocol", protocol);

}