Package org.jgroups.annotations

Examples of org.jgroups.annotations.Property

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                // copy all setters marked with @Property
                Method[] methods=clazz.getDeclaredMethods();
                for(Method method: methods) {
                    String methodName=method.getName();
                    if(method.isAnnotationPresent(Property.class) && Configurator.isSetPropertyMethod(method)) {
                        Property annotation=method.getAnnotation(Property.class);
                        List<String> possible_names=new LinkedList<String>();
                        if(annotation.name() != null)
                            possible_names.add(annotation.name());
                        possible_names.add(methodName.substring(3));
                        possible_names.add(Util.methodNameToAttributeName(methodName));
                        Field field=findField(prot, possible_names);
                        if(field != null) {
                            Object value=Configurator.getField(field, prot);
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        for(Class<?> clazz=prot.getClass(); clazz != null; clazz=clazz.getSuperclass()) {

            // copy all fields marked with @Property
            Field[] fields=clazz.getDeclaredFields();
            Property annotation;
            for(Field field: fields) {
                if(field.isAnnotationPresent(Property.class)) {
                    Object value=Configurator.getField(field, prot);
                    if(value != null) {
                        annotation=field.getAnnotation(Property.class);
                        Class<?> conv_class=annotation.converter();
                        PropertyConverter conv=null;
                        try {
                            conv=(PropertyConverter)conv_class.newInstance();
                        }
                        catch(Exception e) {
                        }
                        String tmp=conv != null? conv.toString(value) : value.toString();
                        retval.put(field.getName(), tmp);
                    }
                }
            }

            // copy all setters marked with @Property
            Method[] methods=clazz.getDeclaredMethods();
            for(Method method: methods) {
                String methodName=method.getName();
                if(method.isAnnotationPresent(Property.class) && Configurator.isSetPropertyMethod(method)) {
                    annotation=method.getAnnotation(Property.class);
                    List<String> possible_names=new LinkedList<String>();
                    if(annotation.name() != null)
                        possible_names.add(annotation.name());
                    possible_names.add(methodName.substring(3));
                    possible_names.add(Util.methodNameToAttributeName(methodName));
                    Field field=findField(prot, possible_names);
                    if(field != null) {
                        Object value=Configurator.getField(field, prot);
                        if(value != null) {
                            Class<?> conv_class=annotation.converter();
                            PropertyConverter conv=null;
                            try {
                                conv=(PropertyConverter)conv_class.newInstance();
                            }
                            catch(Exception e) {
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      for (Class<?> clazzInLoop = clazz; clazzInLoop != null; clazzInLoop = clazzInLoop.getSuperclass()) {
         Field[] fields = clazzInLoop.getDeclaredFields();
         for (Field field : fields) {
            if (field.isAnnotationPresent(Property.class)) {
               String property = field.getName();
               Property r = field.getAnnotation(Property.class);
               boolean annotationRedefinesName = r.name().length() > 0
                        && r.deprecatedMessage().length() == 0;
               if (annotationRedefinesName) {
                  property = r.name();
               }
               if(property == null || property.length()==0) {
                   throw new IllegalArgumentException("Cannot create empty attribute name for element xs:attribute, field is " + field);
               }
               Element attributeElement = xmldoc.createElement("xs:attribute");
               attributeElement.setAttribute("name", property);

               // Agreement with Bela Ban on Jan-20-2009 (Go Obama!!!) to treat all types as
               // xs:string since we do not know where users are going to use
               // replacement tokens in configuration files. Therefore, the type becomes
               // indeterminate.
               // attributeElement.setAttribute("type", fieldToXMLSchemaAttributeType(field));
               attributeElement.setAttribute("type", "xs:string");
               complexType.appendChild(attributeElement);

               Element annotationElement = xmldoc.createElement("xs:annotation");
               attributeElement.appendChild(annotationElement);

               Element documentationElement = xmldoc.createElement("xs:documentation");
               documentationElement.setTextContent(r.description());
               annotationElement.appendChild(documentationElement);
            }
         }
      }

      // iterate methods
      Method[] methods = clazz.getMethods();
      for (Method method : methods) {
         if (method.isAnnotationPresent(Property.class) && method.getName().startsWith("set")) {

            Property annotation = method.getAnnotation(Property.class);
            String name = annotation.name();
            if (name.length() < 1) {
               name = Configurator.renameFromJavaCodingConvention(method.getName().substring(3));
            }
            Element attributeElement = xmldoc.createElement("xs:attribute");
            attributeElement.setAttribute("name", name);
            attributeElement.setAttribute("type", "xs:string");
            complexType.appendChild(attributeElement);

            String desc = annotation.description();
            if (desc.length() > 0) {
               Element annotationElement = xmldoc.createElement("xs:annotation");
               attributeElement.appendChild(annotationElement);

               Element documentationElement = xmldoc.createElement("xs:documentation");
               documentationElement.setTextContent(annotation.description());
               annotationElement.appendChild(documentationElement);
            }
         }
      }
      return classElement;
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          throw new IllegalArgumentException("Cannot get property name: field is null") ;
        }
        if (props == null) {
          throw new IllegalArgumentException("Cannot get property name: properties map 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=field.getName();
        if(props.containsKey(annotation.name())) {
          propertyName=annotation.name();
          boolean isDeprecated=annotation.deprecatedMessage().length() > 0;
          if(isDeprecated && log.isWarnEnabled()) {
            log.warn(annotation.deprecatedMessage());
          }
        }
        return propertyName ;
      }
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      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().length() > 0? annotation.name() : method.getName().substring(3);
        propertyName=Configurator.renameFromJavaCodingConvention(propertyName);
        return propertyName ;
      }
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        }
        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 ;
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            for(Class clazzInLoop=clazz;clazzInLoop != null;clazzInLoop=clazzInLoop.getSuperclass()) {
                Field[] fields=clazzInLoop.getDeclaredFields();
                for(Field field:fields) {
                    if(field.isAnnotationPresent(Property.class)) {                                  
                        String property=field.getName();                      
                        Property annotation=field.getAnnotation(Property.class);
                        String desc=annotation.description();     
                        nameToDescription.put(property, desc);                                          
                    }
                }
            }
           
            //iterate methods           
            Method[] methods=clazz.getMethods();
            for(Method method:methods) {
                if(method.isAnnotationPresent(Property.class) && method.getName()
                                                                       .startsWith("set")) {

                    Property annotation=method.getAnnotation(Property.class);
                    String desc=annotation.description();

                    if(desc.length() > 0) {

                        String name=annotation.name();
                        if(name.length() < 1) {
                            name=Configurator.renameFromJavaCodingConvention(method.getName()
                                                                                   .substring(3));
                        }
                        nameToDescription.put(name, desc);
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          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 ;
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        public static boolean usesDefaultConverter(Field field) throws IllegalArgumentException {
        if (field == null) {
          throw new IllegalArgumentException("Cannot check converter: field is null") ;
        }
        Property annotation=field.getAnnotation(Property.class);
        if (annotation == null) {
          throw new IllegalArgumentException("Cannot check converter for field " +
              field.getName() + " which is not annotated with @Property") ;
        }
          return annotation.converter().equals(PropertyConverters.Default.class) ;
        }
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                if(isSetPropertyMethod(methods[j])) {
                    String propertyName=PropertyHelper.getPropertyName(methods[j]);

                    Object propertyValue=getValueFromProtocol(protocol, propertyName);
                    if(propertyValue == null) { // if propertyValue is null, check if there is a we can use
                        Property annotation=methods[j].getAnnotation(Property.class);

                        // get the default value for the method- check for InetAddress types
                        String defaultValue=null;
                        if(InetAddressInfo.isInetAddressRelated(methods[j])) {
                            defaultValue=ip_version == StackType.IPv4? annotation.defaultValueIPv4() : annotation.defaultValueIPv6();
                            if(defaultValue != null && defaultValue.length() > 0) {
                                Object converted=null;
                                try {
                                    if(defaultValue.equalsIgnoreCase(Global.NON_LOOPBACK_ADDRESS))
                                        converted=default_ip_address;
                                    else
                                        converted=PropertyHelper.getConvertedValue(protocol, methods[j], properties, defaultValue, true);
                                    methods[j].invoke(protocol, converted);
                                }
                                catch(Exception e) {
                                    throw new Exception("default could not be assigned for method " + propertyName + " in "
                                            + protocolName + " with default " + defaultValue, e);
                                }
                                if(log.isDebugEnabled())
                                    log.debug("set property " + protocolName + "." + propertyName + " to default value " + converted);
                            }
                        }
                    }
                }
            }

            //traverse class hierarchy and find all annotated fields and add them to the list if annotated
            Field[] fields=Util.getAllDeclaredFieldsWithAnnotations(protocol.getClass(), Property.class);
            for(int j=0; j < fields.length; j++) {
                String propertyName=PropertyHelper.getPropertyName(fields[j], properties);
                Object propertyValue=getValueFromProtocol(protocol, fields[j]);
                if(propertyValue == null) {
                    // add to collection of @Properties with no user specified value
                    Property annotation=fields[j].getAnnotation(Property.class);

                    // get the default value for the field - check for InetAddress types
                    String defaultValue=null;
                    if(InetAddressInfo.isInetAddressRelated(protocol, fields[j])) {
                        defaultValue=ip_version == StackType.IPv4? annotation.defaultValueIPv4() : annotation.defaultValueIPv6();
                        if(defaultValue != null && defaultValue.length() > 0) {
                            // condition for invoking converter
                            if(defaultValue != null || !PropertyHelper.usesDefaultConverter(fields[j])) {
                                Object converted=null;
                                try {
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Related Classes of org.jgroups.annotations.Property

  • org.jgroups.conf.PropertyHelper
  • org.jgroups.jmx.ResourceDMBean
  • org.jgroups.stack.Configurator
  • org.jgroups.stack.Configurator$InetAddressInfo
  • org.jgroups.stack.Protocol
  • org.jgroups.stack.ProtocolStack
  • org.jgroups.util.PropertiesToAsciidoc
  • org.jgroups.util.PropertiesToXML
  • org.jgroups.util.XMLSchemaGenerator
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