io.netty.buffer.ByteBufProcessor Maven / Gradle / Ivy
/*
* Copyright 2013 The Netty Project
*
* The Netty Project licenses this file to you 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 io.netty.buffer;
public interface ByteBufProcessor {
/**
* Aborts on a {@code NUL (0x00)}.
*/
ByteBufProcessor FIND_NUL = new ByteBufProcessor() {
@Override
public boolean process(byte value) throws Exception {
return value != 0;
}
};
/**
* Aborts on a non-{@code NUL (0x00)}.
*/
ByteBufProcessor FIND_NON_NUL = new ByteBufProcessor() {
@Override
public boolean process(byte value) throws Exception {
return value == 0;
}
};
/**
* Aborts on a {@code CR ('\r')}.
*/
ByteBufProcessor FIND_CR = new ByteBufProcessor() {
@Override
public boolean process(byte value) throws Exception {
return value != '\r';
}
};
/**
* Aborts on a non-{@code CR ('\r')}.
*/
ByteBufProcessor FIND_NON_CR = new ByteBufProcessor() {
@Override
public boolean process(byte value) throws Exception {
return value == '\r';
}
};
/**
* Aborts on a {@code LF ('\n')}.
*/
ByteBufProcessor FIND_LF = new ByteBufProcessor() {
@Override
public boolean process(byte value) throws Exception {
return value != '\n';
}
};
/**
* Aborts on a non-{@code LF ('\n')}.
*/
ByteBufProcessor FIND_NON_LF = new ByteBufProcessor() {
@Override
public boolean process(byte value) throws Exception {
return value == '\n';
}
};
/**
* Aborts on a {@code CR ('\r')} or a {@code LF ('\n')}.
*/
ByteBufProcessor FIND_CRLF = new ByteBufProcessor() {
@Override
public boolean process(byte value) throws Exception {
return value != '\r' && value != '\n';
}
};
/**
* Aborts on a byte which is neither a {@code CR ('\r')} nor a {@code LF ('\n')}.
*/
ByteBufProcessor FIND_NON_CRLF = new ByteBufProcessor() {
@Override
public boolean process(byte value) throws Exception {
return value == '\r' || value == '\n';
}
};
/**
* Aborts on a linear whitespace (a ({@code ' '} or a {@code '\t'}).
*/
ByteBufProcessor FIND_LINEAR_WHITESPACE = new ByteBufProcessor() {
@Override
public boolean process(byte value) throws Exception {
return value != ' ' && value != '\t';
}
};
/**
* Aborts on a byte which is not a linear whitespace (neither {@code ' '} nor {@code '\t'}).
*/
ByteBufProcessor FIND_NON_LINEAR_WHITESPACE = new ByteBufProcessor() {
@Override
public boolean process(byte value) throws Exception {
return value == ' ' || value == '\t';
}
};
/**
* @return {@code true} if the processor wants to continue the loop and handle the next byte in the buffer.
* {@code false} if the processor wants to stop handling bytes and abort the loop.
*/
boolean process(byte value) throws Exception;
}