org.apache.camel.Converter Java Examples

/**
 * This method can convert from CSV (String) to model object.
 * <p/>
 * By annotation this method with @Converter we tell Camel to include this method
 * as a type converter in its type converter registry.
 *
 * @param csv the from type
 * @return the to type
 */
@Converter
public static UpdateInventoryInput toInput(String csv) {
    String[] lines = csv.split(",");
    if (lines == null || lines.length != 4) {
        throw new IllegalArgumentException("CSV line is not valid: " + csv);
    }

    UpdateInventoryInput input = new UpdateInventoryInput();
    input.setSupplierId(lines[0]);
    input.setPartId(lines[1]);
    input.setName(lines[2]);
    input.setAmount(lines[3]);

    return input;
}
 

@Converter
public static Customer from(List<Map<String, Object>> objects) {
    Customer customer = new Customer();
    if (objects != null && !objects.isEmpty()) {
    	Map<String, Object> customerData = objects.get(0);
        customer.setFirstName((String)customerData.get("firstName"));
        customer.setLastName((String)customerData.get("lastName"));
        customer.setSsn((String)customerData.get("ssn"));
        customer.setDob(customerData.get("dob").toString());
        customer.setStreetAddress(customerData.get("streetaddress").toString());
        customer.setCity(customerData.get("city").toString());
        customer.setState(customerData.get("state").toString());
        customer.setPostalCode(customerData.get("postalcode").toString());
        customer.setCheckingBalance(customerData.get("checkingbalance").toString());
        customer.setSavingsBalance(customerData.get("savingsBalance").toString());
    }
    
    return customer;
}
 

@Converter
public static PurchaseOrder toPurchaseOrder(byte[] data, Exchange exchange) {
    TypeConverter converter = exchange.getContext().getTypeConverter();

    String s = converter.convertTo(String.class, data);
    if (s == null || s.length() < 30) {
        throw new IllegalArgumentException("data is invalid");
    }

    s = s.replaceAll("##START##", "");
    s = s.replaceAll("##END##", "");

    String name = s.substring(0, 9).trim();
    String s2 = s.substring(10, 19).trim();
    String s3 = s.substring(20).trim();

    BigDecimal price = new BigDecimal(s2);
    price.setScale(2);

    Integer amount = converter.convertTo(Integer.class, s3);

    PurchaseOrder order = new PurchaseOrder(name, price, amount);
    return order;
}
 

/**
 * This method can convert from CSV (String) to model object.
 * <p/>
 * By annotation this method with @Converter we tell Camel to include this method
 * as a type converter in its type converter registry.
 *
 * @param csv the from type
 * @return the to type
 */
@Converter
public static UpdateInventoryInput toInput(String csv) {
    String[] lines = csv.split(",");
    if (lines == null || lines.length != 4) {
        throw new IllegalArgumentException("CSV line is not valid: " + csv);
    }

    UpdateInventoryInput input = new UpdateInventoryInput();
    input.setSupplierId(lines[0]);
    input.setPartId(lines[1]);
    input.setName(lines[2]);
    input.setAmount(lines[3]);

    return input;
}
 

/**
 * This method can convert from CSV (String) to model object.
 * <p/>
 * By annotation this method with @Converter we tell Camel to include this method
 * as a type converter in its type converter registry.
 *
 * @param csv the from type
 * @return the to type
 */
@Converter
public static UpdateInventoryInput toInput(String csv) {
    String[] lines = csv.split(",");
    if (lines == null || lines.length != 4) {
        throw new IllegalArgumentException("CSV line is not valid: " + csv);
    }

    UpdateInventoryInput input = new UpdateInventoryInput();
    input.setSupplierId(lines[0]);
    input.setPartId(lines[1]);
    input.setName(lines[2]);
    input.setAmount(lines[3]);

    return input;
}
 

/**
 * This method can convert from CSV (String) to model object.
 * <p/>
 * By annotation this method with @Converter we tell Camel to include this method
 * as a type converter in its type converter registry.
 *
 * @param csv the from type
 * @return the to type
 */
@Converter
public static UpdateInventoryInput toInput(String csv) {
    String[] lines = csv.split(",");
    if (lines == null || lines.length != 4) {
        throw new IllegalArgumentException("CSV line is not valid: " + csv);
    }

    UpdateInventoryInput input = new UpdateInventoryInput();
    input.setSupplierId(lines[0]);
    input.setPartId(lines[1]);
    input.setName(lines[2]);
    input.setAmount(lines[3]);

    return input;
}
 

/**
 * This method can convert from CSV (String) to model object.
 * <p/>
 * By annotation this method with @Converter we tell Camel to include this method
 * as a type converter in its type converter registry.
 *
 * @param csv the from type
 * @return the to type
 */
@Converter
public static UpdateInventoryInput toInput(String csv) {
    String[] lines = csv.split(",");
    if (lines == null || lines.length != 4) {
        throw new IllegalArgumentException("CSV line is not valid: " + csv);
    }

    UpdateInventoryInput input = new UpdateInventoryInput();
    input.setSupplierId(lines[0]);
    input.setPartId(lines[1]);
    input.setName(lines[2]);
    input.setAmount(lines[3]);

    return input;
}
 

/**
 * This method can convert from CSV (String) to model object.
 * <p/>
 * By annotation this method with @Converter we tell Camel to include this method
 * as a type converter in its type converter registry.
 *
 * @param csv the from type
 * @return the to type
 */
@Converter
public static UpdateInventoryInput toInput(String csv) {
    String[] lines = csv.split(",");
    if (lines == null || lines.length != 4) {
        throw new IllegalArgumentException("CSV line is not valid: " + csv);
    }

    UpdateInventoryInput input = new UpdateInventoryInput();
    input.setSupplierId(lines[0]);
    input.setPartId(lines[1]);
    input.setName(lines[2]);
    input.setAmount(lines[3]);

    return input;
}
 

/**
 * This method can convert from CSV (String) to model object.
 * <p/>
 * By annotation this method with @Converter we tell Camel to include this method
 * as a type converter in its type converter registry.
 *
 * @param csv the from type
 * @return the to type
 */
@Converter
public static UpdateInventoryInput toInput(String csv) {
    String[] lines = csv.split(",");
    if (lines == null || lines.length != 4) {
        throw new IllegalArgumentException("CSV line is not valid: " + csv);
    }

    UpdateInventoryInput input = new UpdateInventoryInput();
    input.setSupplierId(lines[0]);
    input.setPartId(lines[1]);
    input.setName(lines[2]);
    input.setAmount(lines[3]);

    return input;
}
 

/**
 * This method can convert from CSV (String) to model object.
 * <p/>
 * By annotation this method with @Converter we tell Camel to include this method
 * as a type converter in its type converter registry.
 *
 * @param csv the from type
 * @return the to type
 */
@Converter
public static UpdateInventoryInput toInput(String csv) {
    String[] lines = csv.split(",");
    if (lines == null || lines.length != 4) {
        throw new IllegalArgumentException("CSV line is not valid: " + csv);
    }

    UpdateInventoryInput input = new UpdateInventoryInput();
    input.setSupplierId(lines[0]);
    input.setPartId(lines[1]);
    input.setName(lines[2]);
    input.setAmount(lines[3]);

    return input;
}
 

@Converter
public static PurchaseOrder toPurchaseOrder(byte[] data, Exchange exchange) {
    TypeConverter converter = exchange.getContext().getTypeConverter();

    String s = converter.convertTo(String.class, data);
    if (s == null || s.length() < 30) {
        throw new IllegalArgumentException("data is invalid");
    }

    s = s.replaceAll("##START##", "");
    s = s.replaceAll("##END##", "");

    String name = s.substring(0, 10).trim();
    String s2 = s.substring(10, 20).trim();
    String s3 = s.substring(20).trim();

    BigDecimal price = new BigDecimal(s2);
    price.setScale(2);

    Integer amount = converter.convertTo(Integer.class, s3);

    PurchaseOrder order = new PurchaseOrder(name, price, amount);
    return order;
}
 

/**
 * This method can convert from CSV (String) to model object.
 * <p/>
 * By annotation this method with @Converter we tell Camel to include this method
 * as a type converter in its type converter registry.
 *
 * @param csv the from type
 * @return the to type
 */
@Converter
public static UpdateInventoryInput toInput(String csv) {
    String[] lines = csv.split(",");
    if (lines == null || lines.length != 4) {
        throw new IllegalArgumentException("CSV line is not valid: " + csv);
    }

    UpdateInventoryInput input = new UpdateInventoryInput();
    input.setSupplierId(lines[0]);
    input.setPartId(lines[1]);
    input.setName(lines[2]);
    input.setAmount(lines[3]);

    return input;
}
 

/**
 * This method can convert from CSV (String) to model object.
 * <p/>
 * By annotation this method with @Converter we tell Camel to include this method
 * as a type converter in its type converter registry.
 *
 * @param csv the from type
 * @return the to type
 */
@Converter
public static UpdateInventoryInput toInput(String csv) {
    String[] lines = csv.split(",");
    if (lines == null || lines.length != 4) {
        throw new IllegalArgumentException("CSV line is not valid: " + csv);
    }

    UpdateInventoryInput input = new UpdateInventoryInput();
    input.setSupplierId(lines[0]);
    input.setPartId(lines[1]);
    input.setName(lines[2]);
    input.setAmount(lines[3]);

    return input;
}
 

/**
 * This method can convert from CSV (String) to model object.
 * <p/>
 * By annotation this method with @Converter we tell Camel to include this method
 * as a type converter in its type converter registry.
 *
 * @param csv the from type
 * @return the to type
 */
@Converter
public static UpdateInventoryInput toInput(String csv) {
    String[] lines = csv.split(",");
    if (lines == null || lines.length != 4) {
        throw new IllegalArgumentException("CSV line is not valid: " + csv);
    }

    UpdateInventoryInput input = new UpdateInventoryInput();
    input.setSupplierId(lines[0]);
    input.setPartId(lines[1]);
    input.setName(lines[2]);
    input.setAmount(lines[3]);

    return input;
}
 

/**
 * This method can convert from CSV (String) to model object.
 * <p/>
 * By annotation this method with @Converter we tell Camel to include this method
 * as a type converter in its type converter registry.
 *
 * @param csv the from type
 * @return the to type
 */
@Converter
public static UpdateInventoryInput toInput(String csv) {
    String[] lines = csv.split(",");
    if (lines == null || lines.length != 4) {
        throw new IllegalArgumentException("CSV line is not valid: " + csv);
    }

    UpdateInventoryInput input = new UpdateInventoryInput();
    input.setSupplierId(lines[0]);
    input.setPartId(lines[1]);
    input.setName(lines[2]);
    input.setAmount(lines[3]);

    return input;
}
 

/**
 * This method can convert from CSV (String) to model object.
 * <p/>
 * By annotation this method with @Converter we tell Camel to include this method
 * as a type converter in its type converter registry.
 *
 * @param csv the from type
 * @return the to type
 */
@Converter
public static UpdateInventoryInput toInput(String csv) {
    String[] lines = csv.split(",");
    if (lines == null || lines.length != 4) {
        throw new IllegalArgumentException("CSV line is not valid: " + csv);
    }

    UpdateInventoryInput input = new UpdateInventoryInput();
    input.setSupplierId(lines[0]);
    input.setPartId(lines[1]);
    input.setName(lines[2]);
    input.setAmount(lines[3]);

    return input;
}
 

/**
 * This method can convert from CSV (String) to model object.
 * <p/>
 * By annotation this method with @Converter we tell Camel to include this method
 * as a type converter in its type converter registry.
 *
 * @param csv the from type
 * @return the to type
 */
@Converter
public static UpdateInventoryInput toInput(String csv) {
    String[] lines = csv.split(",");
    if (lines == null || lines.length != 4) {
        throw new IllegalArgumentException("CSV line is not valid: " + csv);
    }

    UpdateInventoryInput input = new UpdateInventoryInput();
    input.setSupplierId(lines[0]);
    input.setPartId(lines[1]);
    input.setName(lines[2]);
    input.setAmount(lines[3]);

    return input;
}
 

/**
 * This method can convert from CSV (String) to model object.
 * <p/>
 * By annotation this method with @Converter we tell Camel to include this method
 * as a type converter in its type converter registry.
 *
 * @param csv the from type
 * @return the to type
 */
@Converter
public static UpdateInventoryInput toInput(String csv) {
    String[] lines = csv.split(",");
    if (lines == null || lines.length != 4) {
        throw new IllegalArgumentException("CSV line is not valid: " + csv);
    }

    UpdateInventoryInput input = new UpdateInventoryInput();
    input.setSupplierId(lines[0]);
    input.setPartId(lines[1]);
    input.setName(lines[2]);
    input.setAmount(lines[3]);

    return input;
}
 

/**
 * This method can convert from CSV (String) to model object.
 * <p/>
 * By annotation this method with @Converter we tell Camel to include this method
 * as a type converter in its type converter registry.
 *
 * @param csv the from type
 * @return the to type
 */
@Converter
public static UpdateInventoryInput toInput(String csv) {
    String[] lines = csv.split(",");
    if (lines == null || lines.length != 4) {
        throw new IllegalArgumentException("CSV line is not valid: " + csv);
    }

    UpdateInventoryInput input = new UpdateInventoryInput();
    input.setSupplierId(lines[0]);
    input.setPartId(lines[1]);
    input.setName(lines[2]);
    input.setAmount(lines[3]);

    return input;
}
 

/**
 * This method can convert from CSV (String) to model object.
 * <p/>
 * By annotation this method with @Converter we tell Camel to include this method
 * as a type converter in its type converter registry.
 *
 * @param csv the from type
 * @return the to type
 */
@Converter
public static UpdateInventoryInput toInput(String csv) {
    String[] lines = csv.split(",");
    if (lines == null || lines.length != 4) {
        throw new IllegalArgumentException("CSV line is not valid: " + csv);
    }

    UpdateInventoryInput input = new UpdateInventoryInput();
    input.setSupplierId(lines[0]);
    input.setPartId(lines[1]);
    input.setName(lines[2]);
    input.setAmount(lines[3]);

    return input;
}
 

/**
 * This method can convert from CSV (String) to model object.
 * <p/>
 * By annotation this method with @Converter we tell Camel to include this method
 * as a type converter in its type converter registry.
 *
 * @param csv the from type
 * @return the to type
 */
@Converter
public static UpdateInventoryInput toInput(String csv) {
    String[] lines = csv.split(",");
    if (lines == null || lines.length != 4) {
        throw new IllegalArgumentException("CSV line is not valid: " + csv);
    }

    UpdateInventoryInput input = new UpdateInventoryInput();
    input.setSupplierId(lines[0]);
    input.setPartId(lines[1]);
    input.setName(lines[2]);
    input.setAmount(lines[3]);

    return input;
}
 

@Converter
public static Customer from(List<Map<String, Object>> objects) {
    Customer customer = new Customer();
    if (objects != null && !objects.isEmpty()) {
    	Map<String, Object> customerData = objects.get(0);
        customer.setFirstName((String)customerData.get("firstName"));
        customer.setLastName((String)customerData.get("lastName"));
        customer.setSsn((String)customerData.get("ssn"));
        customer.setDob(customerData.get("dob").toString());
        customer.setStreetAddress(customerData.get("streetaddress").toString());
        customer.setCity(customerData.get("city").toString());
        customer.setState(customerData.get("state").toString());
        customer.setPostalCode(customerData.get("postalcode").toString());
        customer.setCheckingBalance(customerData.get("checkingbalance").toString());
        customer.setSavingsBalance(customerData.get("savingsBalance").toString());
    }
    
    return customer;
}
 

@Converter
public Map<String, String> toMap(Customer customer) {
    Map<String, String> result = new LinkedHashMap<String, String>();
    result.put("firstName", customer.getFirstName());
    result.put("lastName", customer.getLastName());
    return Collections.unmodifiableMap(result);
}
 

/**
 * Converts a String in the format of "firstName|lastName" to a {@link MyPerson}.
 */
@Converter
public static MyPerson convertStringToMyPerson(String str) {
    final int index = str.indexOf("|");
    if (index > 0) {
        final MyPerson person = new MyPerson();

        person.setFirstName(str.substring(0, index));
        person.setLastName(str.substring(index + 1)); // skip the '|' at index

        return person;
    }

    throw new IllegalArgumentException("String must be in format of '<firstName>|<lastName>'");
}
 

@BuildStep
void reflectiveItems(
        CombinedIndexBuildItem combinedIndex,
        BuildProducer<ReflectiveClassBuildItem> reflectiveClass,
        BuildProducer<ReflectiveMethodBuildItem> reflectiveMethod) {

    final IndexView view = combinedIndex.getIndex();

    CAMEL_REFLECTIVE_CLASSES.stream()
            .map(Class::getName)
            .map(DotName::createSimple)
            .map(view::getAllKnownImplementors)
            .flatMap(Collection::stream)
            .filter(CamelSupport::isPublic)
            .forEach(v -> reflectiveClass.produce(new ReflectiveClassBuildItem(true, false, v.name().toString())));

    DotName converter = DotName.createSimple(Converter.class.getName());
    List<ClassInfo> converterClasses = view.getAnnotations(converter)
            .stream()
            .filter(ai -> ai.target().kind() == Kind.CLASS)
            .filter(ai -> {
                AnnotationValue av = ai.value("loader");
                boolean isLoader = av != null && av.asBoolean();
                // filter out camel-base converters which are automatically inlined in the
                // CoreStaticTypeConverterLoader
                // need to revisit with Camel 3.0.0-M3 which should improve this area
                if (ai.target().asClass().name().toString().startsWith("org.apache.camel.converter.")) {
                    LOGGER.debug("Ignoring core " + ai + " " + ai.target().asClass().name());
                    return false;
                } else if (isLoader) {
                    LOGGER.debug("Ignoring " + ai + " " + ai.target().asClass().name());
                    return false;
                } else {
                    LOGGER.debug("Accepting " + ai + " " + ai.target().asClass().name());
                    return true;
                }
            })
            .map(ai -> ai.target().asClass())
            .collect(Collectors.toList());

    LOGGER.debug("Converter classes: " + converterClasses);
    converterClasses
            .forEach(ci -> reflectiveClass.produce(new ReflectiveClassBuildItem(false, false, ci.name().toString())));

    view.getAnnotations(converter)
            .stream()
            .filter(ai -> ai.target().kind() == Kind.METHOD)
            .filter(ai -> converterClasses.contains(ai.target().asMethod().declaringClass()))
            .map(ai -> ai.target().asMethod())
            .forEach(mi -> reflectiveMethod.produce(new ReflectiveMethodBuildItem(mi)));

}
 

@Converter
public static XMLEventReader toXMLEventReader(ZipFileEntry zipFileEntry, Exchange exchange) throws XMLStreamException, IOException {
    StaxConverter c = new StaxConverter();

    return c.createXMLEventReader(toInputStream(zipFileEntry, exchange), exchange);
}
 

@Converter
public Customer toCustomer(Map<String, String> map) {
    return new Customer(map.get("firstName"), map.get("lastName"));
}
 

@Converter
public static CloudEvent fromSpecVersion(String version) {
    return CloudEvents.fromSpecVersion(version);
}