Examples with Property org.jgroups.annotations.Property used on opensource projects

Example 11 with Property

use of org.jgroups.annotations.Property in project JGroups by belaban.

the class PropertyHelper method getConvertedValue.

public static Object getConvertedValue(Object obj, Field field, Map<String, String> props, String prop, boolean check_scope) throws Exception {
    if (obj == null)
        throw new IllegalArgumentException("Cannot get converted value: Object is null");
    if (field == null)
        throw new IllegalArgumentException("Cannot get converted value: Field is null");
    if (props == null)
        throw new IllegalArgumentException("Cannot get converted value: Properties is null");
    Property annotation = field.getAnnotation(Property.class);
    if (annotation == null) {
        throw new IllegalArgumentException("Cannot get property name for field " + field.getName() + " which is not annotated with @Property");
    }
    String propertyName = getPropertyName(field, props);
    String name = obj instanceof Protocol ? ((Protocol) obj).getName() : obj.getClass().getName();
    PropertyConverter propertyConverter = (PropertyConverter) annotation.converter().newInstance();
    if (propertyConverter == null) {
        throw new Exception("Could not find property converter for field " + propertyName + " in " + name);
    }
    Object converted = null;
    try {
        String tmp = obj instanceof Protocol ? ((Protocol) obj).getName() + "." + propertyName : propertyName;
        converted = propertyConverter.convert(obj, field.getType(), tmp, prop, check_scope);
    } catch (Exception e) {
        throw new Exception("Conversion of " + propertyName + " in " + name + " with original property value " + prop + " failed", e);
    }
    return converted;
}

Example 12 with Property

use of org.jgroups.annotations.Property in project JGroups by belaban.

the class PropertyHelper method getConvertedValue.

public static Object getConvertedValue(Object obj, Method method, Map<String, String> props, String prop, boolean check_scope) throws Exception {
    if (obj == null) {
        throw new IllegalArgumentException("Cannot get converted value: Object is null");
    }
    if (method == null) {
        throw new IllegalArgumentException("Cannot get converted value: Method is null");
    }
    if (!Configurator.isSetPropertyMethod(method, obj.getClass())) {
        throw new IllegalArgumentException("Cannot get converted value: Method is not set property method");
    }
    if (props == null) {
        throw new IllegalArgumentException("Cannot get converted value: Properties is null");
    }
    Property annotation = method.getAnnotation(Property.class);
    if (annotation == null) {
        throw new IllegalArgumentException("Cannot get property name for method " + method.getName() + " which is not annotated with @Property");
    }
    String propertyName = getPropertyName(method);
    String name = obj instanceof Protocol ? ((Protocol) obj).getName() : obj.getClass().getName();
    PropertyConverter propertyConverter = (PropertyConverter) annotation.converter().newInstance();
    if (propertyConverter == null) {
        throw new Exception("Could not find property converter for method " + propertyName + " in " + name);
    }
    Object converted = null;
    try {
        String tmp = obj instanceof Protocol ? ((Protocol) obj).getName() + "." + propertyName : propertyName;
        converted = propertyConverter.convert(obj, method.getParameterTypes()[0], tmp, prop, check_scope);
    } catch (Exception e) {
        throw new Exception("Conversion of " + propertyName + " in " + name + " with original property value " + prop + " failed. Exception is " + e, e);
    }
    return converted;
}

Example 13 with Property

use of org.jgroups.annotations.Property in project JGroups by belaban.

the class PropertyHelper method getPropertyName.

public static String getPropertyName(Method method) throws IllegalArgumentException {
    if (method == null) {
        throw new IllegalArgumentException("Cannot get property name: field is null");
    }
    Property annotation = method.getAnnotation(Property.class);
    if (annotation == null) {
        throw new IllegalArgumentException("Cannot get property name for method " + method.getName() + " which is not annotated with @Property");
    }
    String propertyName = !annotation.name().isEmpty() ? annotation.name() : method.getName();
    propertyName = Util.methodNameToAttributeName(propertyName);
    return propertyName;
}

Example 14 with Property

use of org.jgroups.annotations.Property in project JGroups by belaban.

the class ResourceDMBean method exposeManagedAttribute.

protected void exposeManagedAttribute(Method method, Object instance) {
    String methodName = method.getName();
    ManagedAttribute attr_annotation = method.getAnnotation(ManagedAttribute.class);
    Property prop = method.getAnnotation(Property.class);
    boolean expose_prop = prop != null && prop.exposeAsManagedAttribute();
    boolean expose = attr_annotation != null || expose_prop;
    if (!expose)
        return;
    boolean writable = (prop != null && prop.writable()) || (attr_annotation != null && attr_annotation.writable());
    // Is name of @ManagedAttributed or @Property used?
    String attr_name = attr_annotation != null ? attr_annotation.name() : prop != null ? prop.name() : null;
    if (attr_name != null && !attr_name.trim().isEmpty())
        attr_name = attr_name.trim();
    else {
        // getFooBar() --> foo_bar
        attr_name = Util.methodNameToAttributeName(methodName);
        if (!atts.containsKey(attr_name)) {
            // hmm, maybe we need to look for an attribute fooBar
            String tmp = Util.methodNameToJavaAttributeName(methodName);
            if (atts.containsKey(tmp))
                attr_name = tmp;
        }
    }
    String descr = attr_annotation != null ? attr_annotation.description() : prop != null ? prop.description() : null;
    AttributeEntry attr = atts.get(attr_name);
    if (attr != null) {
        if (isSetMethod(method)) {
            if (attr.setter != null) {
                if (log.isWarnEnabled())
                    log.warn("setter for \"" + attr_name + "\" is already defined (new method=" + method.getName() + ")");
            } else
                attr.setter = new MethodAccessor(method, instance);
        } else {
            if (attr.getter != null) {
                if (log.isWarnEnabled())
                    log.warn("getter for \"" + attr_name + "\" is already defined (new method=" + method.getName() + ")");
            } else
                attr.getter = new MethodAccessor(method, instance);
        }
    } else {
        // create a new entry in atts
        boolean is_setter = isSetMethod(method);
        String type = is_setter ? method.getParameterTypes()[0].getCanonicalName() : method.getReturnType().getCanonicalName();
        MBeanAttributeInfo info = new MBeanAttributeInfo(attr_name, type, descr, true, writable, methodName.startsWith("is"));
        AttributeEntry entry = new AttributeEntry(Util.methodNameToAttributeName(methodName), info);
        if (is_setter)
            entry.setter(new MethodAccessor(method, instance));
        else
            entry.getter(new MethodAccessor(method, instance));
        atts.put(attr_name, entry);
    }
}

Example 15 with Property

use of org.jgroups.annotations.Property in project JGroups by belaban.

the class ResourceDMBean method findFields.

protected void findFields(Object instance) {
    // traverse class hierarchy and find all annotated fields
    for (Class<?> clazz = instance.getClass(); clazz != null && clazz != Object.class; clazz = clazz.getSuperclass()) {
        Field[] fields = clazz.getDeclaredFields();
        for (Field field : fields) {
            ManagedAttribute attr = field.getAnnotation(ManagedAttribute.class);
            Property prop = field.getAnnotation(Property.class);
            boolean expose_prop = prop != null && prop.exposeAsManagedAttribute();
            boolean expose = attr != null || expose_prop;
            if (expose) {
                String fieldName = attr != null ? attr.name() : (prop != null ? prop.name() : null);
                if (fieldName != null && fieldName.trim().isEmpty())
                    fieldName = field.getName();
                String descr = attr != null ? attr.description() : prop.description();
                boolean writable = attr != null ? attr.writable() : prop.writable();
                MBeanAttributeInfo info = new MBeanAttributeInfo(fieldName, field.getType().getCanonicalName(), descr, true, !Modifier.isFinal(field.getModifiers()) && writable, false);
                atts.put(fieldName, new AttributeEntry(field.getName(), info));
            }
        }
    }
}