/*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
package org.jsmpp.util;
import org.jsmpp.PDUStringException;
/**
* String validator for the SMPP PDU string types.
*
* @author uudashr
* @version 1.0
* @since 1.0
*
*/
public final class StringValidator {
private StringValidator() {
}
public static void validateString(String value, StringParameter param)
throws PDUStringException {
if (param.getType() == StringType.C_OCTEC_STRING) {
if (param.isRangeMinAndMax()) {
if (!isCOctetStringValid(value, param.getMax())) {
throw new PDUStringException("C-Octet String value '"
+ value + "' length must be less than " + param.getMax()
+ ". Actual length is " + value.length(),
param);
}
} else if (!isCOctetStringNullOrNValValid(value, param.getMax())) {
throw new PDUStringException(
"C-Octet String value '" + value + "' length should be 1 or " + (param.getMax() - 1)
+ ". Actual length is "
+ value.length(), param);
}
} else if (param.getType() == StringType.OCTET_STRING
&& !isOctetStringValid(value, param.getMax())) {
throw new PDUStringException("Octet String value '" + value
+ "' length must be less than or equal to " + param.getMax()
+ ". Actual length is " + value.length(), param);
}
}
public static void validateString(byte[] value, StringParameter param)
throws PDUStringException {
if (param.getType() == StringType.C_OCTEC_STRING) {
if (param.isRangeMinAndMax()) {
if (!isCOctetStringValid(value, param.getMax())) {
throw new PDUStringException("C-Octet String value '"
+ new String(value) + "' length must be less than "
+ param.getMax() + ". Actual length is "
+ value.length, param);
}
} else if (!isCOctetStringNullOrNValValid(value, param.getMax())) {
throw new PDUStringException(
"C-Octet String value '" + new String(value) + "' length should be 1 or " + (param.getMax() - 1)
+ ". Actual length is "
+ value.length, param);
}
} else if (param.getType() == StringType.OCTET_STRING
&& !isOctetStringValid(value, param.getMax())) {
throw new PDUStringException("Octet String value '"
+ new String(value) + "' length must be less than or equal to "
+ param.getMax() + ". Actual length is "
+ value.length, param);
}
}
/**
* Validate the C-Octet String.
*
* @param value
* @param maxLength
* @return
*/
static boolean isCOctetStringValid(String value, int maxLength) {
if (value == null)
return true;
if (value.length() >= maxLength)
return false;
return true;
}
static boolean isCOctetStringValid(byte[] value, int maxLength) {
if (value == null)
return true;
if (value.length >= maxLength)
return false;
return true;
}
/**
* Validate the C-Octet String
*
* @param value
* @param length
* @return
*/
static boolean isCOctetStringNullOrNValValid(String value,
int length) {
if (value == null) {
return true;
}
if (value.length() == 0) {
return true;
}
if (value.length() == length - 1) {
return true;
}
return false;
}
static boolean isCOctetStringNullOrNValValid(byte[] value,
int length) {
if (value == null)
return true;
if (value.length == 0)
return true;
if (value.length == length - 1) {
return true;
}
return false;
}
/**
* Validate the Octet String
*
* @param value
* @param maxLength
* @return
*/
static boolean isOctetStringValid(String value, int maxLength) {
if (value == null)
return true;
if (value.length() > maxLength)
return false;
return true;
}
static boolean isOctetStringValid(byte[] value, int maxLength) {
if (value == null)
return true;
if (value.length > maxLength)
return false;
return true;
}
}