/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF 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 org.apache.hadoop.streaming;
import java.io.IOException;
import org.apache.hadoop.io.Text;
import org.apache.hadoop.util.LineReader;
/**
* General utils for byte array containing UTF-8 encoded strings
* @deprecated use {@link org.apache.hadoop.util.UTF8ByteArrayUtils} and
* {@link StreamKeyValUtil} instead
*/
public class UTF8ByteArrayUtils {
/**
* Find the first occured tab in a UTF-8 encoded string
* @param utf a byte array containing a UTF-8 encoded string
* @param start starting offset
* @param length no. of bytes
* @return position that first tab occures otherwise -1
* @deprecated use {@link StreamKeyValUtil#findTab(byte[], int, int)}
*/
@Deprecated
public static int findTab(byte [] utf, int start, int length) {
return StreamKeyValUtil.findTab(utf, start, length);
}
/**
* Find the first occurrence of the given byte b in a UTF-8 encoded string
* @param utf a byte array containing a UTF-8 encoded string
* @param start starting offset
* @param end ending position
* @param b the byte to find
* @return position that first byte occures otherwise -1
* @deprecated use
* {@link org.apache.hadoop.util.UTF8ByteArrayUtils#findByte(byte[], int,
* int, byte)}
*/
@Deprecated
public static int findByte(byte [] utf, int start, int end, byte b) {
return org.apache.hadoop.util.UTF8ByteArrayUtils.findByte(utf, start, end, b);
}
/**
* Find the first occurrence of the given bytes b in a UTF-8 encoded string
* @param utf a byte array containing a UTF-8 encoded string
* @param start starting offset
* @param end ending position
* @param b the bytes to find
* @return position that first byte occures otherwise -1
* @deprecated use
* {@link org.apache.hadoop.util.UTF8ByteArrayUtils#findBytes(byte[], int,
* int, byte[])}
*/
@Deprecated
public static int findBytes(byte [] utf, int start, int end, byte[] b) {
return org.apache.hadoop.util.UTF8ByteArrayUtils.findBytes(utf, start, end, b);
}
/**
* Find the nth occurrence of the given byte b in a UTF-8 encoded string
* @param utf a byte array containing a UTF-8 encoded string
* @param start starting offset
* @param length the length of byte array
* @param b the byte to find
* @param n the desired occurrence of the given byte
* @return position that nth occurrence of the given byte if exists; otherwise -1
* @deprecated use
* {@link org.apache.hadoop.util.UTF8ByteArrayUtils#findNthByte(byte[], int,
* int, byte, int)}
*/
@Deprecated
public static int findNthByte(byte [] utf, int start, int length, byte b, int n) {
return org.apache.hadoop.util.UTF8ByteArrayUtils.findNthByte(utf, start,
length, b, n);
}
/**
* Find the nth occurrence of the given byte b in a UTF-8 encoded string
* @param utf a byte array containing a UTF-8 encoded string
* @param b the byte to find
* @param n the desired occurrence of the given byte
* @return position that nth occurrence of the given byte if exists; otherwise -1
* @deprecated use
* {@link org.apache.hadoop.util.UTF8ByteArrayUtils#findNthByte(byte[],
* byte, int)}
*/
@Deprecated
public static int findNthByte(byte [] utf, byte b, int n) {
return org.apache.hadoop.util.UTF8ByteArrayUtils.findNthByte(utf, b, n);
}
/**
* Find the first occured tab in a UTF-8 encoded string
* @param utf a byte array containing a UTF-8 encoded string
* @return position that first tab occures otherwise -1
* @deprecated use {@link StreamKeyValUtil#findTab(byte[])}
*/
@Deprecated
public static int findTab(byte [] utf) {
return StreamKeyValUtil.findTab(utf);
}
/**
* split a UTF-8 byte array into key and value
* assuming that the delimilator is at splitpos.
* @param utf utf-8 encoded string
* @param start starting offset
* @param length no. of bytes
* @param key contains key upon the method is returned
* @param val contains value upon the method is returned
* @param splitPos the split pos
* @param separatorLength the length of the separator between key and value
* @deprecated use
* {@link StreamKeyValUtil#splitKeyVal(byte[], int, int, Text, Text,
* int, int)}
* @throws IOException
*/
@Deprecated
public static void splitKeyVal(byte[] utf, int start, int length,
Text key, Text val, int splitPos,
int separatorLength) throws IOException {
StreamKeyValUtil.splitKeyVal(utf, start,
length, key, val, splitPos, separatorLength);
}
/**
* split a UTF-8 byte array into key and value
* assuming that the delimilator is at splitpos.
* @param utf utf-8 encoded string
* @param start starting offset
* @param length no. of bytes
* @param key contains key upon the method is returned
* @param val contains value upon the method is returned
* @param splitPos the split pos
* @deprecated use
* {@link StreamKeyValUtil#splitKeyVal(byte[], int, int, Text, Text, int)}
* @throws IOException
*/
@Deprecated
public static void splitKeyVal(byte[] utf, int start, int length,
Text key, Text val, int splitPos) throws IOException {
StreamKeyValUtil.splitKeyVal(utf, start, length, key, val, splitPos);
}
/**
* split a UTF-8 byte array into key and value
* assuming that the delimilator is at splitpos.
* @param utf utf-8 encoded string
* @param key contains key upon the method is returned
* @param val contains value upon the method is returned
* @param splitPos the split pos
* @param separatorLength the length of the separator between key and value
* @deprecated use
* {@link StreamKeyValUtil#splitKeyVal(byte[], Text, Text, int, int)}
* @throws IOException
*/
@Deprecated
public static void splitKeyVal(byte[] utf, Text key, Text val, int splitPos,
int separatorLength)
throws IOException {
StreamKeyValUtil.splitKeyVal(utf, key, val, splitPos, separatorLength);
}
/**
* split a UTF-8 byte array into key and value
* assuming that the delimilator is at splitpos.
* @param utf utf-8 encoded string
* @param key contains key upon the method is returned
* @param val contains value upon the method is returned
* @param splitPos the split pos
* @deprecated use
* {@link StreamKeyValUtil#splitKeyVal(byte[], Text, Text, int)}
* @throws IOException
*/
@Deprecated
public static void splitKeyVal(byte[] utf, Text key, Text val, int splitPos)
throws IOException {
StreamKeyValUtil.splitKeyVal(utf, key, val, splitPos);
}
/**
* Read a utf8 encoded line from a data input stream.
* @param lineReader LineReader to read the line from.
* @param out Text to read into
* @return number of bytes read
* @deprecated use
* {@link StreamKeyValUtil#readLine(LineReader, Text)}
* @throws IOException
*/
@Deprecated
public static int readLine(LineReader lineReader, Text out)
throws IOException {
return StreamKeyValUtil.readLine(lineReader, out);
}
}