org.jsmpp.bean.GeneralDataCoding Maven / Gradle / Ivy
/*
* 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.bean;
/**
* This General Data Coding.
*
* @author uudashr
*
*/
public class GeneralDataCoding implements DataCoding {
public static final GeneralDataCoding DEFAULT = new GeneralDataCoding();
private final boolean compressed;
private final Alphabet alphabet;
private final MessageClass messageClass;
public GeneralDataCoding() {
this(Alphabet.ALPHA_DEFAULT);
}
public GeneralDataCoding(Alphabet alphabet) {
this(alphabet, null);
}
public GeneralDataCoding(Alphabet alphabet, ESMClass esmClass) {
this(alphabet, null, false);
}
/**
* Construct the GeneralDataCoding with specified alphabet, messageClass and
* compression flag.
*
* @param alphabet is the alphabet.
* @param messageClass is the message class. This is nullable. If
* null means the DataCoding doesn't has meaning
* MessageClass.
* @param compressed is the compression flag. Value is
* true if the user message is compressed, otherwise set to false.
*
* @throws IllegalArgumentException if the alphabet is null,
* since Alphabet is mandatory.
*/
public GeneralDataCoding(Alphabet alphabet, MessageClass messageClass,
boolean compressed) throws IllegalArgumentException {
if (alphabet == null) {
throw new IllegalArgumentException("alphabet is mandatory, can't be null");
}
this.alphabet = alphabet;
this.messageClass = messageClass;
this.compressed = compressed;
}
public Alphabet getAlphabet() {
return alphabet;
}
public MessageClass getMessageClass() {
return messageClass;
}
public boolean isCompressed() {
return compressed;
}
public byte toByte() {
byte value = compressed ? DataCodingFactory00xx.MASK_COMPRESSED : 0;
value |= alphabet.value();
if (messageClass != null) {
value |= DataCodings.MASK_CONTAIN_MESSAGE_CLASS;
value |= messageClass.value();
}
return value;
}
@Override
public int hashCode() {
final int prime = 31;
int result = 1;
result = prime * result
+ ((alphabet == null) ? 0 : alphabet.hashCode());
result = prime * result + (compressed ? 1231 : 1237);
result = prime * result
+ ((messageClass == null) ? 0 : messageClass.hashCode());
return result;
}
@Override
public boolean equals(Object obj) {
if (this == obj)
return true;
if (obj == null)
return false;
if (getClass() != obj.getClass())
return false;
GeneralDataCoding other = (GeneralDataCoding)obj;
if (alphabet == null) {
if (other.alphabet != null)
return false;
} else if (!alphabet.equals(other.alphabet))
return false;
if (compressed != other.compressed)
return false;
if (messageClass == null) {
if (other.messageClass != null)
return false;
} else if (!messageClass.equals(other.messageClass))
return false;
return true;
}
@Override
public String toString() {
return "DataCoding:" + (0xff & toByte());
}
}