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/*
* Copyright 2015 - 2018 Anton Tananaev (anton@traccar.org)
*
* 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.traccar;
import io.netty.buffer.ByteBuf;
import io.netty.buffer.Unpooled;
import io.netty.handler.codec.DelimiterBasedFrameDecoder;
public class CharacterDelimiterFrameDecoder extends DelimiterBasedFrameDecoder {
private static ByteBuf createDelimiter(char delimiter) {
byte[] buf = {(byte) delimiter};
return Unpooled.wrappedBuffer(buf);
}
private static ByteBuf createDelimiter(String delimiter) {
byte[] buf = new byte[delimiter.length()];
for (int i = 0; i < delimiter.length(); i++) {
buf[i] = (byte) delimiter.charAt(i);
}
return Unpooled.wrappedBuffer(buf);
}
private static ByteBuf[] convertDelimiters(String[] delimiters) {
ByteBuf[] result = new ByteBuf[delimiters.length];
for (int i = 0; i < delimiters.length; i++) {
result[i] = createDelimiter(delimiters[i]);
}
return result;
}
public CharacterDelimiterFrameDecoder(int maxFrameLength, char delimiter) {
super(maxFrameLength, createDelimiter(delimiter));
}
public CharacterDelimiterFrameDecoder(int maxFrameLength, String delimiter) {
super(maxFrameLength, createDelimiter(delimiter));
}
public CharacterDelimiterFrameDecoder(int maxFrameLength, String... delimiters) {
super(maxFrameLength, convertDelimiters(delimiters));
}
}
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