Example usage for java.lang Enum valueOf

List of usage examples for java.lang Enum valueOf

  1. HOME
  2. Java
  3. java
  4. java.lang.*
  5. Enum
  6. valueOf

Introduction

In this page you can find the example usage for java.lang Enum valueOf.

Prototype

public static <T extends Enum<T>> T valueOf(Class<T> enumType, String name)

Source Link

Document

Returns the enum constant of the specified enum type with the specified name.

Usage

From source file:org.qi4j.runtime.types.EnumType.java

@Override
public Object fromQueryParameter(String parameter, Module module) throws IllegalArgumentException {
    try {/*  w  w  w  . j a  v  a  2s  . c  o  m*/
        Class enumType = module.classLoader().loadClass(type().name());

        // Get enum value
        return Enum.valueOf(enumType, parameter);
    } catch (Exception e) {
        throw new IllegalArgumentException(e);
    }
}

From source file:com.github.dozermapper.core.converters.EnumConverter.java

@SuppressWarnings({ "unchecked", "rawtypes" })
public Object convert(Class destClass, Object srcObj) {
    if (null == srcObj) {
        MappingUtils.throwMappingException("Cannot convert null to enum of type " + destClass);
    }//from  ww  w . j a  v a  2 s  . c o  m

    try {
        if ((srcObj.getClass().equals(Byte.class)) || (srcObj.getClass().equals(Byte.TYPE))) {
            return EnumUtils.getEnumList(destClass).get(((Byte) srcObj).intValue());
        } else if ((srcObj.getClass().equals(Short.class)) || (srcObj.getClass().equals(Short.TYPE))) {
            return EnumUtils.getEnumList(destClass).get(((Short) srcObj).intValue());
        } else if ((srcObj.getClass().equals(Integer.class)) || (srcObj.getClass().equals(Integer.TYPE))) {
            return EnumUtils.getEnumList(destClass).get((Integer) srcObj);
        } else if ((srcObj.getClass().equals(Long.class)) || (srcObj.getClass().equals(Long.TYPE))) {
            return EnumUtils.getEnumList(destClass).get(((Long) srcObj).intValue());
        } else {
            return Enum.valueOf(destClass, srcObj.toString());
        }
    } catch (Exception e) {
        MappingUtils.throwMappingException("Cannot convert [" + srcObj + "] to enum of type " + destClass, e);
    }
    return srcObj;
}

From source file:com.github.steveash.typedconfig.resolver.type.simple.EnumValueResolverFactory.java

@Override
public ValueResolver makeForThis(final ConfigBinding binding, final HierarchicalConfiguration config,
        ConfigFactoryContext context) {//from   w w  w .  j  a v a2s . co m

    final Class enumType = binding.getDataType().getRawType();
    final String key = binding.getConfigKeyToLookup();
    return new ValueResolver() {
        @Override
        public Object resolve() {
            String enumLabel = config.getString(binding.getConfigKeyToLookup(), null);
            if (StringUtils.isBlank(enumLabel))
                return null;

            return resolveEnumInstance(enumLabel);
        }

        private Object resolveEnumInstance(String enumLabel) {
            try {
                return Enum.valueOf(enumType, enumLabel);
            } catch (IllegalArgumentException e) {
                throw new IllegalArgumentException("The value of the configuration key " + key + " is "
                        + enumLabel + " which is not a member of the enum " + enumType.getName(), e);
            }
        }

        @Override
        public Object convertDefaultValue(String defaultValue) {
            return resolveEnumInstance(defaultValue);
        }

        @Override
        public String configurationKeyToLookup() {
            return key;
        }
    };
}

From source file:com.esofthead.mycollab.schedule.email.format.I18nFieldFormat.java

@SuppressWarnings({ "unchecked", "rawtypes" })
@Override//from  w w w. ja v a  2 s.  c o m
public String formatField(MailContext<?> context) {
    Object wrappedBean = context.getWrappedBean();
    Object value = null;
    try {
        value = PropertyUtils.getProperty(wrappedBean, fieldName);
        if (value == null) {
            return new Span().write();
        } else {
            Enum valueEnum = Enum.valueOf(enumKey, value.toString());
            return new Span().appendText(LocalizationHelper.getMessage(context.getLocale(), valueEnum)).write();
        }
    } catch (IllegalAccessException | InvocationTargetException | NoSuchMethodException e) {
        log.error("Can not generate of object " + BeanUtility.printBeanObj(wrappedBean) + " field: " + fieldName
                + " and " + value, e);
        return new Span().write();
    }
}

From source file:org.diffkit.util.DKStringUtil.java

/**
 * assumes comma separator/*from w  ww .  j  a  va  2s  . c om*/
 */
@SuppressWarnings({ "unchecked", "rawtypes" })
public static List<?> parseEnumList(String target_, Class enumClass_) {
    if (target_ == null)
        return null;
    String[] elements = target_.split(",");
    if (ArrayUtils.isEmpty(elements))
        return null;
    List<Enum> values = new ArrayList<Enum>(elements.length);
    for (String element : elements) {
        element = StringUtils.trimToNull(element);
        if (element == null)
            continue;
        values.add(Enum.valueOf(enumClass_, element));
    }
    return values;
}

From source file:com.im.web.base.PropertyFilter.java

/**
 * @param filterName ,???. //from  ww w  .j av  a 2  s.c  o  m
 *                   eg. LIKES_NAME_OR_LOGIN_NAME
 * @param value .
 */
public PropertyFilter(final String filterName, final String value) {

    String firstPart = StringUtils.substringBefore(filterName, "_");
    String matchTypeCode = StringUtils.substring(firstPart, 0, firstPart.length() - 1);
    String propertyTypeCode = StringUtils.substring(firstPart, firstPart.length() - 1, firstPart.length());

    try {
        matchType = Enum.valueOf(MatchType.class, matchTypeCode);
    } catch (RuntimeException e) {
        throw new IllegalArgumentException(
                "filter??" + filterName + ",.", e);
    }

    try {
        propertyClass = Enum.valueOf(PropertyType.class, propertyTypeCode).getValue();
    } catch (RuntimeException e) {
        throw new IllegalArgumentException(
                "filter??" + filterName + ",.", e);
    }

    String propertyNameStr = StringUtils.substringAfter(filterName, "_");
    //      Assert.isTrue(StringUtils.isNotBlank(propertyNameStr), "filter??" + filterName + ",??.");
    propertyNames = StringUtils.splitByWholeSeparator(propertyNameStr, PropertyFilter.OR_SEPARATOR);

    //      this.matchValue = ConvertUtils.convertStringToObject(value, propertyClass);
}

From source file:org.metawidget.example.struts.addressbook.converter.EnumConverter.java

@SuppressWarnings({ "rawtypes", "unchecked" })
public Object convert(Class clazz, Object value) {

    if (value == null || "".equals(value)) {
        return null;
    }/*w w w. j ava 2  s.  c o  m*/

    return Enum.valueOf((Class<Enum>) clazz, (String) value);
}

From source file:io.gravitee.management.rest.mapper.ObjectMapperResolver.java

public ObjectMapperResolver() {
    mapper = new GraviteeMapper();

    SimpleModule module = new SimpleModule();
    module.setDeserializerModifier(new BeanDeserializerModifier() {
        @Override/*  ww  w. ja v a2  s. com*/
        public JsonDeserializer<Enum> modifyEnumDeserializer(DeserializationConfig config, final JavaType type,
                BeanDescription beanDesc, final JsonDeserializer<?> deserializer) {
            return new JsonDeserializer<Enum>() {
                @Override
                public Enum deserialize(JsonParser jp, DeserializationContext ctxt) throws IOException {
                    Class<? extends Enum> rawClass = (Class<Enum<?>>) type.getRawClass();
                    return Enum.valueOf(rawClass, jp.getValueAsString().toUpperCase());
                }
            };
        }
    });
    module.addSerializer(Enum.class, new StdSerializer<Enum>(Enum.class) {
        @Override
        public void serialize(Enum value, JsonGenerator jgen, SerializerProvider provider) throws IOException {
            jgen.writeString(value.name().toLowerCase());
        }
    });
    mapper.registerModule(module);
}

From source file:edu.utah.further.core.api.discrete.EnumUtil.java

/**
 * Returns the enum constant of the specified enum type with the specified name. The
 * name must match exactly an identifier used to declare an enum constant in this
 * type. If it does not, this method returns <code>null</code>.
 *
 * @param enumType/*from   w  ww . jav  a2s.  c o  m*/
 *            the Class object of the enum type from which to return a constant
 * @param name
 *            the name of the constant to return
 * @return the enum constant of the specified enum type with the specified name or
 *         <code>null</code> if not found
 * @see {link Enum.valueOf}
 */
public static <E extends Enum<E>> E valueOfNullSafe(final Class<E> enumType, final String name) {
    try {
        return Enum.valueOf(enumType, name);
    } catch (final IllegalArgumentException e) {
        return null;
    } catch (final NullPointerException e) {
        return null;
    }
}

From source file:technology.tikal.customers.dao.objectify.CustomerDaoOfy.java

@Override
public List<CustomerOfy> consultarTodos(CustomerFilter filtro, PaginationDataDual<Long, String> pagination) {
    NamePriorityFilterValues namePriority;
    try {/*from www .  j  a  v a 2s.c  o m*/
        namePriority = Enum.valueOf(NamePriorityFilterValues.class, filtro.getIndex());
    } catch (IllegalArgumentException ex) {
        throw new MessageSourceResolvableException(new DefaultMessageSourceResolvable(
                new String[] { "IllegalIndex.CustomerDaoOfy.consultarTodos" },
                new String[] { filtro.getIndex() }, "Invalid Index"));
    }
    String indexOfy = "normalized" + filtro.getIndex();
    if (namePriority != NamePriorityFilterValues.Name) {
        indexOfy = "name." + indexOfy;
    }
    return paginatorDelegate.consultarTodosTemplate(
            new PaginationContext<Object>(indexOfy, filtro.getIndex(), filtro, pagination));
}