delete bytes file (#1669) (bb414b07) · Commits · SUMMER2020 / students / proj-2002252

dolphinscheduler-common/src/main/java/org/apache/dolphinscheduler/common/utils/Bytes.java

deleted100644 → 0

+0 −699

Original line number	Diff line number	Diff line
		/*
		* 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.dolphinscheduler.common.utils;

		import org.slf4j.Logger;
		import org.slf4j.LoggerFactory;

		import java.math.BigDecimal;
		import java.math.BigInteger;
		import java.nio.ByteBuffer;
		import java.nio.charset.StandardCharsets;

		/**
		* Utility class that handles Bytes
		*/
		public class Bytes {

		private static final Logger logger = LoggerFactory.getLogger(Bytes.class);
		public static final String UTF8_ENCODING = "UTF-8";
		//An empty instance.
		public static final byte [] EMPTY_BYTE_ARRAY = new byte [0];

		/**
		* Size of int in bytes
		*/
		public static final int SIZEOF_INT = Integer.SIZE / Byte.SIZE;

		/**
		* Size of long in bytes
		*/
		public static final int SIZEOF_LONG = Long.SIZE / Byte.SIZE;

		/**
		* Size of short in bytes
		*/
		public static final int SIZEOF_SHORT = Short.SIZE / Byte.SIZE;



		/**
		* Put bytes at the specified byte array position.
		* @param tgtBytes the byte array
		* @param tgtOffset position in the array
		* @param srcBytes array to write out
		* @param srcOffset source offset
		* @param srcLength source length
		* @return incremented offset
		*/
		public static int putBytes(byte[] tgtBytes, int tgtOffset, byte[] srcBytes,
		int srcOffset, int srcLength) {
		System.arraycopy(srcBytes, srcOffset, tgtBytes, tgtOffset, srcLength);
		return tgtOffset + srcLength;
		}

		/**
		* Write a single byte out to the specified byte array position.
		* @param bytes the byte array
		* @param offset position in the array
		* @param b byte to write out
		* @return incremented offset
		*/
		public static int putByte(byte[] bytes, int offset, byte b) {
		bytes[offset] = b;
		return offset + 1;
		}

		/**
		* Returns a new byte array, copied from the passed ByteBuffer.
		* @param bb A ByteBuffer
		* @return the byte array
		*/
		public static byte[] toBytes(ByteBuffer bb) {
		int length = bb.limit();
		byte [] result = new byte[length];
		System.arraycopy(bb.array(), bb.arrayOffset(), result, 0, length);
		return result;
		}

		/**
		* @param b Presumed UTF-8 encoded byte array.
		* @return String made from <code>b</code>
		*/
		public static String toString(final byte [] b) {
		if (b == null) {
		return null;
		}
		return toString(b, 0, b.length);
		}

		/**
		* Joins two byte arrays together using a separator.
		* @param b1 The first byte array.
		* @param sep The separator to use.
		* @param b2 The second byte array.
		* @return two byte arrays together using a separator.
		*/
		public static String toString(final byte [] b1,
		String sep,
		final byte [] b2) {
		return toString(b1, 0, b1.length) + sep + toString(b2, 0, b2.length);
		}

		/**
		* This method will convert utf8 encoded bytes into a string. If
		* an UnsupportedEncodingException occurs, this method will eat it
		* and return null instead.
		*
		* @param b Presumed UTF-8 encoded byte array.
		* @param off offset into array
		* @param len length of utf-8 sequence
		* @return String made from <code>b</code> or null
		*/
		public static String toString(final byte [] b, int off, int len) {
		if (b == null) {
		return null;
		}
		if (len == 0) {
		return "";
		}
		return new String(b, off, len, StandardCharsets.UTF_8);
		}


		/**
		* Converts a string to a UTF-8 byte array.
		* @param s string
		* @return the byte array
		*/
		public static byte[] toBytes(String s) {
		return s.getBytes(StandardCharsets.UTF_8);
		}

		/**
		* Convert a boolean to a byte array. True becomes -1
		* and false becomes 0.
		*
		* @param b value
		* @return <code>b</code> encoded in a byte array.
		*/
		public static byte [] toBytes(final boolean b) {
		return new byte[] { b ? (byte) -1 : (byte) 0 };
		}

		/**
		* Reverses {@link #toBytes(boolean)}
		* @param b array
		* @return True or false.
		*/
		public static boolean toBoolean(final byte [] b) {
		if (b.length != 1) {
		throw new IllegalArgumentException("Array has wrong size: " + b.length);
		}
		return b[0] != (byte) 0;
		}

		/**
		* Convert a long value to a byte array using big-endian.
		*
		* @param val value to convert
		* @return the byte array
		*/
		public static byte[] toBytes(long val) {
		byte [] b = new byte[8];
		for (int i = 7; i > 0; i--) {
		b[i] = (byte) val;
		val >>>= 8;
		}
		b[0] = (byte) val;
		return b;
		}

		/**
		* Converts a byte array to a long value. Reverses
		* {@link #toBytes(long)}
		* @param bytes array
		* @return the long value
		*/
		public static long toLong(byte[] bytes) {
		return toLong(bytes, 0, SIZEOF_LONG);
		}

		/**
		* Converts a byte array to a long value. Assumes there will be
		* {@link #SIZEOF_LONG} bytes available.
		*
		* @param bytes bytes
		* @param offset offset
		* @return the long value
		*/
		public static long toLong(byte[] bytes, int offset) {
		return toLong(bytes, offset, SIZEOF_LONG);
		}

		/**
		* Converts a byte array to a long value.
		*
		* @param bytes array of bytes
		* @param offset offset into array
		* @param length length of data (must be {@link #SIZEOF_LONG})
		* @return the long value
		* @throws IllegalArgumentException if length is not {@link #SIZEOF_LONG} or
		* if there's not enough room in the array at the offset indicated.
		*/
		public static long toLong(byte[] bytes, int offset, final int length) {
		if (length != SIZEOF_LONG \|\| offset + length > bytes.length) {
		throw explainWrongLengthOrOffset(bytes, offset, length, SIZEOF_LONG);
		}
		long l = 0;
		for(int i = offset; i < offset + length; i++) {
		l <<= 8;
		l ^= bytes[i] & 0xFF;
		}
		return l;
		}

		private static IllegalArgumentException
		explainWrongLengthOrOffset(final byte[] bytes,
		final int offset,
		final int length,
		final int expectedLength) {
		String reason;
		if (length != expectedLength) {
		reason = "Wrong length: " + length + ", expected " + expectedLength;
		} else {
		reason = "offset (" + offset + ") + length (" + length + ") exceed the"
		+ " capacity of the array: " + bytes.length;
		}
		return new IllegalArgumentException(reason);
		}

		/**
		* Put a long value out to the specified byte array position.
		* @param bytes the byte array
		* @param offset position in the array
		* @param val long to write out
		* @return incremented offset
		* @throws IllegalArgumentException if the byte array given doesn't have
		* enough room at the offset specified.
		*/
		public static int putLong(byte[] bytes, int offset, long val) {
		if (bytes.length - offset < SIZEOF_LONG) {
		throw new IllegalArgumentException("Not enough room to put a long at"
		+ " offset " + offset + " in a " + bytes.length + " byte array");
		}
		for(int i = offset + 7; i > offset; i--) {
		bytes[i] = (byte) val;
		val >>>= 8;
		}
		bytes[offset] = (byte) val;
		return offset + SIZEOF_LONG;
		}

		/**
		* Presumes float encoded as IEEE 754 floating-point "single format"
		* @param bytes byte array
		* @return Float made from passed byte array.
		*/
		public static float toFloat(byte [] bytes) {
		return toFloat(bytes, 0);
		}

		/**
		* Presumes float encoded as IEEE 754 floating-point "single format"
		* @param bytes array to convert
		* @param offset offset into array
		* @return Float made from passed byte array.
		*/
		public static float toFloat(byte [] bytes, int offset) {
		return Float.intBitsToFloat(toInt(bytes, offset, SIZEOF_INT));
		}

		/**
		* @param bytes byte array
		* @param offset offset to write to
		* @param f float value
		* @return New offset in <code>bytes</code>
		*/
		public static int putFloat(byte [] bytes, int offset, float f) {
		return putInt(bytes, offset, Float.floatToRawIntBits(f));
		}

		/**
		* @param f float value
		* @return the float represented as byte []
		*/
		public static byte [] toBytes(final float f) {
		// Encode it as int
		return Bytes.toBytes(Float.floatToRawIntBits(f));
		}

		/**
		* @param bytes byte array
		* @return Return double made from passed bytes.
		*/
		public static double toDouble(final byte [] bytes) {
		return toDouble(bytes, 0);
		}

		/**
		* @param bytes byte array
		* @param offset offset where double is
		* @return Return double made from passed bytes.
		*/
		public static double toDouble(final byte [] bytes, final int offset) {
		return Double.longBitsToDouble(toLong(bytes, offset, SIZEOF_LONG));
		}

		/**
		* @param bytes byte array
		* @param offset offset to write to
		* @param d value
		* @return New offset into array <code>bytes</code>
		*/
		public static int putDouble(byte [] bytes, int offset, double d) {
		return putLong(bytes, offset, Double.doubleToLongBits(d));
		}

		/**
		* Serialize a double as the IEEE 754 double format output. The resultant
		* array will be 8 bytes long.
		*
		* @param d value
		* @return the double represented as byte []
		*/
		public static byte [] toBytes(final double d) {
		// Encode it as a long
		return Bytes.toBytes(Double.doubleToRawLongBits(d));
		}

		/**
		* Convert an int value to a byte array
		* @param val value
		* @return the byte array
		*/
		public static byte[] toBytes(int val) {
		byte [] b = new byte[4];
		for(int i = 3; i > 0; i--) {
		b[i] = (byte) val;
		val >>>= 8;
		}
		b[0] = (byte) val;
		return b;
		}

		/**
		* Converts a byte array to an int value
		* @param bytes byte array
		* @return the int value
		*/
		public static int toInt(byte[] bytes) {
		return toInt(bytes, 0, SIZEOF_INT);
		}

		/**
		* Converts a byte array to an int value
		* @param bytes byte array
		* @param offset offset into array
		* @return the int value
		*/
		public static int toInt(byte[] bytes, int offset) {
		return toInt(bytes, offset, SIZEOF_INT);
		}

		/**
		* Converts a byte array to an int value
		* @param bytes byte array
		* @param offset offset into array
		* @param length length of int (has to be {@link #SIZEOF_INT})
		* @return the int value
		* @throws IllegalArgumentException if length is not {@link #SIZEOF_INT} or
		* if there's not enough room in the array at the offset indicated.
		*/
		public static int toInt(byte[] bytes, int offset, final int length) {
		if (length != SIZEOF_INT \|\| offset + length > bytes.length) {
		throw explainWrongLengthOrOffset(bytes, offset, length, SIZEOF_INT);
		}
		int n = 0;
		for(int i = offset; i < (offset + length); i++) {
		n <<= 8;
		n ^= bytes[i] & 0xFF;
		}
		return n;
		}

		/**
		* Put an int value out to the specified byte array position.
		* @param bytes the byte array
		* @param offset position in the array
		* @param val int to write out
		* @return incremented offset
		* @throws IllegalArgumentException if the byte array given doesn't have
		* enough room at the offset specified.
		*/
		public static int putInt(byte[] bytes, int offset, int val) {
		if (bytes.length - offset < SIZEOF_INT) {
		throw new IllegalArgumentException("Not enough room to put an int at"
		+ " offset " + offset + " in a " + bytes.length + " byte array");
		}
		for(int i= offset + 3; i > offset; i--) {
		bytes[i] = (byte) val;
		val >>>= 8;
		}
		bytes[offset] = (byte) val;
		return offset + SIZEOF_INT;
		}

		/**
		* Convert a short value to a byte array of {@link #SIZEOF_SHORT} bytes long.
		* @param val value
		* @return the byte array
		*/
		public static byte[] toBytes(short val) {
		byte[] b = new byte[SIZEOF_SHORT];
		b[1] = (byte) val;
		val >>= 8;
		b[0] = (byte) val;
		return b;
		}

		/**
		* Converts a byte array to a short value
		* @param bytes byte array
		* @return the short value
		*/
		public static short toShort(byte[] bytes) {
		return toShort(bytes, 0, SIZEOF_SHORT);
		}

		/**
		* Converts a byte array to a short value
		* @param bytes byte array
		* @param offset offset into array
		* @return the short value
		*/
		public static short toShort(byte[] bytes, int offset) {
		return toShort(bytes, offset, SIZEOF_SHORT);
		}

		/**
		* Converts a byte array to a short value
		* @param bytes byte array
		* @param offset offset into array
		* @param length length, has to be {@link #SIZEOF_SHORT}
		* @return the short value
		* @throws IllegalArgumentException if length is not {@link #SIZEOF_SHORT}
		* or if there's not enough room in the array at the offset indicated.
		*/
		public static short toShort(byte[] bytes, int offset, final int length) {
		if (length != SIZEOF_SHORT \|\| offset + length > bytes.length) {
		throw explainWrongLengthOrOffset(bytes, offset, length, SIZEOF_SHORT);
		}
		short n = 0;
		n ^= bytes[offset] & 0xFF;
		n <<= 8;
		n ^= bytes[offset+1] & 0xFF;
		return n;
		}

		/**
		* This method will get a sequence of bytes from pos to limit,
		* but will restore pos after.
		* @param buf buffer
		* @return byte array
		*/
		public static byte[] getBytes(ByteBuffer buf) {
		int savedPos = buf.position();
		byte [] newBytes = new byte[buf.remaining()];
		buf.get(newBytes);
		buf.position(savedPos);
		return newBytes;
		}

		/**
		* Put a short value out to the specified byte array position.
		* @param bytes the byte array
		* @param offset position in the array
		* @param val short to write out
		* @return incremented offset
		* @throws IllegalArgumentException if the byte array given doesn't have
		* enough room at the offset specified.
		*/
		public static int putShort(byte[] bytes, int offset, short val) {
		if (bytes.length - offset < SIZEOF_SHORT) {
		throw new IllegalArgumentException("Not enough room to put a short at"
		+ " offset " + offset + " in a " + bytes.length + " byte array");
		}
		bytes[offset+1] = (byte) val;
		val >>= 8;
		bytes[offset] = (byte) val;
		return offset + SIZEOF_SHORT;
		}

		/**
		* Convert a BigDecimal value to a byte array
		*
		* @param val value
		* @return the byte array
		*/
		public static byte[] toBytes(BigDecimal val) {
		byte[] valueBytes = val.unscaledValue().toByteArray();
		byte[] result = new byte[valueBytes.length + SIZEOF_INT];
		int offset = putInt(result, 0, val.scale());
		putBytes(result, offset, valueBytes, 0, valueBytes.length);
		return result;
		}


		/**
		* Converts a byte array to a BigDecimal
		*
		* @param bytes bytes array
		* @return the char value
		*/
		public static BigDecimal toBigDecimal(byte[] bytes) {
		return toBigDecimal(bytes, 0, bytes.length);
		}

		/**
		* Converts a byte array to a BigDecimal value
		*
		* @param bytes bytes array
		* @param offset offset
		* @param length length
		* @return the char value
		*/
		public static BigDecimal toBigDecimal(byte[] bytes, int offset, final int length) {
		if (bytes == null \|\| length < SIZEOF_INT + 1 \|\|
		(offset + length > bytes.length)) {
		return null;
		}

		int scale = toInt(bytes, offset);
		byte[] tcBytes = new byte[length - SIZEOF_INT];
		System.arraycopy(bytes, offset + SIZEOF_INT, tcBytes, 0, length - SIZEOF_INT);
		return new BigDecimal(new BigInteger(tcBytes), scale);
		}

		/**
		* Put a BigDecimal value out to the specified byte array position.
		*
		* @param bytes the byte array
		* @param offset position in the array
		* @param val BigDecimal to write out
		* @return incremented offset
		*/
		public static int putBigDecimal(byte[] bytes, int offset, BigDecimal val) {
		if (bytes == null) {
		return offset;
		}

		byte[] valueBytes = val.unscaledValue().toByteArray();
		byte[] result = new byte[valueBytes.length + SIZEOF_INT];
		offset = putInt(result, offset, val.scale());
		return putBytes(result, offset, valueBytes, 0, valueBytes.length);
		}

		/**
		* @param a lower half
		* @param b upper half
		* @return New array that has a in lower half and b in upper half.
		*/
		public static byte [] add(final byte [] a, final byte [] b) {
		return add(a, b, EMPTY_BYTE_ARRAY);
		}

		/**
		* @param a first third
		* @param b second third
		* @param c third third
		* @return New array made from a, b and c
		*/
		public static byte [] add(final byte [] a, final byte [] b, final byte [] c) {
		byte [] result = new byte[a.length + b.length + c.length];
		System.arraycopy(a, 0, result, 0, a.length);
		System.arraycopy(b, 0, result, a.length, b.length);
		System.arraycopy(c, 0, result, a.length + b.length, c.length);
		return result;
		}

		/**
		* @param a array
		* @param length amount of bytes to grab
		* @return First <code>length</code> bytes from <code>a</code>
		*/
		public static byte [] head(final byte [] a, final int length) {
		if (a.length < length) {
		return null;
		}
		byte [] result = new byte[length];
		System.arraycopy(a, 0, result, 0, length);
		return result;
		}

		/**
		* @param a array
		* @param length amount of bytes to snarf
		* @return Last <code>length</code> bytes from <code>a</code>
		*/
		public static byte [] tail(final byte [] a, final int length) {
		if (a.length < length) {
		return null;
		}
		byte [] result = new byte[length];
		System.arraycopy(a, a.length - length, result, 0, length);
		return result;
		}

		/**
		* @param a array
		* @param length new array size
		* @return Value in <code>a</code> plus <code>length</code> prepended 0 bytes
		*/
		public static byte [] padHead(final byte [] a, final int length) {
		byte[] padding = getPadding(length);
		return add(padding,a);
		}

		private static byte[] getPadding(int length) {
		byte[] padding = new byte[length];
		for (int i = 0; i < length; i++) {
		padding[i] = 0;
		}
		return padding;
		}

		/**
		* @param a array
		* @param length new array size
		* @return Value in <code>a</code> plus <code>length</code> appended 0 bytes
		*/
		public static byte [] padTail(final byte [] a, final int length) {
		byte[] padding = getPadding(length);
		return add(a,padding);
		}



		/**
		* @param bytes array to hash
		* @param offset offset to start from
		* @param length length to hash
		* @return hash code
		* */
		public static int hashCode(byte[] bytes, int offset, int length) {
		int hash = 1;
		for (int i = offset; i < offset + length; i++) {
		hash = (31 * hash) + (int) bytes[i];
		}
		return hash;
		}

		/**
		* @param t operands
		* @return Array of byte arrays made from passed array of Text
		*/
		public static byte [][] toByteArrays(final String [] t) {
		byte [][] result = new byte[t.length][];
		for (int i = 0; i < t.length; i++) {
		result[i] = Bytes.toBytes(t[i]);
		}
		return result;
		}

		/**
		* @param column operand
		* @return A byte array of a byte array where first and only entry is
		* <code>column</code>
		*/
		public static byte [][] toByteArrays(final String column) {
		return toByteArrays(toBytes(column));
		}

		/**
		* @param column operand
		* @return A byte array of a byte array where first and only entry is
		* <code>column</code>
		*/
		public static byte [][] toByteArrays(final byte [] column) {
		byte [][] result = new byte[1][];
		result[0] = column;
		return result;
		}


		}

dolphinscheduler-server/src/main/java/org/apache/dolphinscheduler/server/worker/task/http/HttpTask.java

+3 −3

Original line number	Diff line number	Diff line
		@@ -27,7 +27,6 @@ import org.apache.dolphinscheduler.common.process.HttpProperty;
		import org.apache.dolphinscheduler.common.process.Property;
		import org.apache.dolphinscheduler.common.task.AbstractParameters;
		import org.apache.dolphinscheduler.common.task.http.HttpParameters;
		import org.apache.dolphinscheduler.common.utils.Bytes;
		import org.apache.dolphinscheduler.common.utils.DateUtils;
		import org.apache.dolphinscheduler.common.utils.ParameterUtils;
		import org.apache.dolphinscheduler.common.utils.SpringApplicationContext;
		@@ -50,6 +49,7 @@ import org.apache.http.util.EntityUtils;
		import org.slf4j.Logger;

		import java.io.IOException;
		import java.nio.charset.StandardCharsets;
		import java.util.ArrayList;
		import java.util.List;
		import java.util.Map;
		@@ -176,7 +176,7 @@ public class HttpTask extends AbstractTask {
		if (entity == null) {
		return null;
		}
		String webPage = EntityUtils.toString(entity, Bytes.UTF8_ENCODING);
		String webPage = EntityUtils.toString(entity, StandardCharsets.UTF_8.name());
		return webPage;
		}

		@@ -264,7 +264,7 @@ public class HttpTask extends AbstractTask {
		}
		}
		StringEntity postingString = new StringEntity(jsonParam.toString(), Charsets.UTF_8);
		postingString.setContentEncoding(Bytes.UTF8_ENCODING);
		postingString.setContentEncoding(StandardCharsets.UTF_8.name());
		postingString.setContentType(APPLICATION_JSON);
		builder.setEntity(postingString);
		}