Examples of org.apache.camel.TypeConverter.allowNull()

org.apache.camel.TypeConverter.allowNull()
Whether the type converter allows returning null as a valid response.
By default null is not a valid response, returning false from this method.

            if (tryConvert) {
                rc = converter.tryConvertTo(type, exchange, value);
            } else {
                rc = converter.convertTo(type, exchange, value);
            }
            if (rc == null && converter.allowNull()) {
                return null;
            } else if (rc != null) {
                return rc;
            }
        }

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                    if (tryConvert) {
                        rc = tc.tryConvertTo(primitiveType, exchange, value);
                    } else {
                        rc = tc.convertTo(primitiveType, exchange, value);
                    }
                    if (rc == null && tc.allowNull()) {
                        return null;
                    } else if (rc != null) {
                        return rc;
                    }
                }

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            if (tryConvert) {
                rc = tc.tryConvertTo(type, exchange, value);
            } else {
                rc = tc.convertTo(type, exchange, value);
            }
            if (rc == null && tc.allowNull()) {
                return null;
            }


            if (Void.TYPE.equals(rc)) {
                // it cannot be converted so give up

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            if (tryConvert) {
                rc = converter.tryConvertTo(type, exchange, value);
            } else {
                rc = converter.convertTo(type, exchange, value);
            }
            if (rc == null && converter.allowNull()) {
                return null;
            } else if (rc != null) {
                return rc;
            }
        }

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                    if (tryConvert) {
                        rc = tc.tryConvertTo(primitiveType, exchange, value);
                    } else {
                        rc = tc.convertTo(primitiveType, exchange, value);
                    }
                    if (rc == null && tc.allowNull()) {
                        return null;
                    } else if (rc != null) {
                        return rc;
                    }
                }

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            if (tryConvert) {
                rc = tc.tryConvertTo(type, exchange, value);
            } else {
                rc = tc.convertTo(type, exchange, value);
            }
            if (rc == null && tc.allowNull()) {
                return null;
            }


            if (Void.TYPE.equals(rc)) {
                // it cannot be converted so give up

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            if (tryConvert) {
                rc = converter.tryConvertTo(type, exchange, value);
            } else {
                rc = converter.convertTo(type, exchange, value);
            }
            if (rc == null && converter.allowNull()) {
                return null;
            } else if (rc != null) {
                return rc;
            }
        }

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                    if (tryConvert) {
                        rc = tc.tryConvertTo(primitiveType, exchange, value);
                    } else {
                        rc = tc.convertTo(primitiveType, exchange, value);
                    }
                    if (rc == null && tc.allowNull()) {
                        return null;
                    } else if (rc != null) {
                        return rc;
                    }
                }

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            if (tryConvert) {
                rc = tc.tryConvertTo(type, exchange, value);
            } else {
                rc = tc.convertTo(type, exchange, value);
            }
            if (rc == null && tc.allowNull()) {
                return null;
            }


            if (Void.TYPE.equals(rc)) {
                // it cannot be converted so give up

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            if (tryConvert) {
                rc = converter.tryConvertTo(type, exchange, value);
            } else {
                rc = converter.convertTo(type, exchange, value);
            }
            if (rc == null && converter.allowNull()) {
                return null;
            } else if (rc != null) {
                return rc;
            }
        }

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