com.undefinedlabs.scope.deps.okio.BufferedSink Maven / Gradle / Ivy
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Scope is a APM for tests to give engineering teams unprecedented visibility into their CI process to quickly
identify, troubleshoot and fix failed builds.
This artifact contains dependencies for Scope.
package com.undefinedlabs.scope.deps.okio;
import java.io.IOException;
import java.io.OutputStream;
import java.nio.charset.Charset;
public interface BufferedSink extends Sink {
/** Returns this sink's internal buffer. */
Buffer buffer();
BufferedSink write(ByteString byteString) throws IOException;
/**
* Like {@link OutputStream#write(byte[])}, this writes a complete byte array to
* this sink.
*/
BufferedSink write(byte[] source) throws IOException;
/**
* Like {@link OutputStream#write(byte[], int, int)}, this writes {@code byteCount}
* bytes of {@code source}, starting at {@code offset}.
*/
BufferedSink write(byte[] source, int offset, int byteCount) throws IOException;
/**
* Removes all bytes from {@code source} and appends them to this sink. Returns the
* number of bytes read which will be 0 if {@code source} is exhausted.
*/
long writeAll(Source source) throws IOException;
/** Removes {@code byteCount} bytes from {@code source} and appends them to this sink. */
BufferedSink write(Source source, long byteCount) throws IOException;
/**
* Encodes {@code string} in UTF-8 and writes it to this sink. {@code
*
* Buffer buffer = new Buffer();
* buffer.writeUtf8("Uh uh uh!");
* buffer.writeByte(' ');
* buffer.writeUtf8("You didn't say the magic word!");
*
* assertEquals("Uh uh uh! You didn't say the magic word!", buffer.readUtf8());
* }
*/
BufferedSink writeUtf8(String string) throws IOException;
/**
* Encodes the characters at {@code beginIndex} up to {@code endIndex} from {@code string} in
* UTF-8 and writes it to this sink. {@code
*
* Buffer buffer = new Buffer();
* buffer.writeUtf8("I'm a hacker!\n", 6, 12);
* buffer.writeByte(' ');
* buffer.writeUtf8("That's what I said: you're a nerd.\n", 29, 33);
* buffer.writeByte(' ');
* buffer.writeUtf8("I prefer to be called a hacker!\n", 24, 31);
*
* assertEquals("hacker nerd hacker!", buffer.readUtf8());
* }
*/
BufferedSink writeUtf8(String string, int beginIndex, int endIndex) throws IOException;
/** Encodes {@code codePoint} in UTF-8 and writes it to this sink. */
BufferedSink writeUtf8CodePoint(int codePoint) throws IOException;
/** Encodes {@code string} in {@code charset} and writes it to this sink. */
BufferedSink writeString(String string, Charset charset) throws IOException;
/**
* Encodes the characters at {@code beginIndex} up to {@code endIndex} from {@code string} in
* {@code charset} and writes it to this sink.
*/
BufferedSink writeString(String string, int beginIndex, int endIndex, Charset charset)
throws IOException;
/** Writes a byte to this sink. */
BufferedSink writeByte(int b) throws IOException;
/**
* Writes a big-endian short to this sink using two bytes. {@code
*
* Buffer buffer = new Buffer();
* buffer.writeShort(32767);
* buffer.writeShort(15);
*
* assertEquals(4, buffer.size());
* assertEquals((byte) 0x7f, buffer.readByte());
* assertEquals((byte) 0xff, buffer.readByte());
* assertEquals((byte) 0x00, buffer.readByte());
* assertEquals((byte) 0x0f, buffer.readByte());
* assertEquals(0, buffer.size());
* }
*/
BufferedSink writeShort(int s) throws IOException;
/**
* Writes a little-endian short to this sink using two bytes. {@code
*
* Buffer buffer = new Buffer();
* buffer.writeShortLe(32767);
* buffer.writeShortLe(15);
*
* assertEquals(4, buffer.size());
* assertEquals((byte) 0xff, buffer.readByte());
* assertEquals((byte) 0x7f, buffer.readByte());
* assertEquals((byte) 0x0f, buffer.readByte());
* assertEquals((byte) 0x00, buffer.readByte());
* assertEquals(0, buffer.size());
* }
*/
BufferedSink writeShortLe(int s) throws IOException;
/**
* Writes a big-endian int to this sink using four bytes. {@code
*
* Buffer buffer = new Buffer();
* buffer.writeInt(2147483647);
* buffer.writeInt(15);
*
* assertEquals(8, buffer.size());
* assertEquals((byte) 0x7f, buffer.readByte());
* assertEquals((byte) 0xff, buffer.readByte());
* assertEquals((byte) 0xff, buffer.readByte());
* assertEquals((byte) 0xff, buffer.readByte());
* assertEquals((byte) 0x00, buffer.readByte());
* assertEquals((byte) 0x00, buffer.readByte());
* assertEquals((byte) 0x00, buffer.readByte());
* assertEquals((byte) 0x0f, buffer.readByte());
* assertEquals(0, buffer.size());
* }
*/
BufferedSink writeInt(int i) throws IOException;
/**
* Writes a little-endian int to this sink using four bytes. {@code
*
* Buffer buffer = new Buffer();
* buffer.writeIntLe(2147483647);
* buffer.writeIntLe(15);
*
* assertEquals(8, buffer.size());
* assertEquals((byte) 0xff, buffer.readByte());
* assertEquals((byte) 0xff, buffer.readByte());
* assertEquals((byte) 0xff, buffer.readByte());
* assertEquals((byte) 0x7f, buffer.readByte());
* assertEquals((byte) 0x0f, buffer.readByte());
* assertEquals((byte) 0x00, buffer.readByte());
* assertEquals((byte) 0x00, buffer.readByte());
* assertEquals((byte) 0x00, buffer.readByte());
* assertEquals(0, buffer.size());
* }
*/
BufferedSink writeIntLe(int i) throws IOException;
/**
* Writes a big-endian long to this sink using eight bytes. {@code
*
* Buffer buffer = new Buffer();
* buffer.writeLong(9223372036854775807L);
* buffer.writeLong(15);
*
* assertEquals(16, buffer.size());
* assertEquals((byte) 0x7f, buffer.readByte());
* assertEquals((byte) 0xff, buffer.readByte());
* assertEquals((byte) 0xff, buffer.readByte());
* assertEquals((byte) 0xff, buffer.readByte());
* assertEquals((byte) 0xff, buffer.readByte());
* assertEquals((byte) 0xff, buffer.readByte());
* assertEquals((byte) 0xff, buffer.readByte());
* assertEquals((byte) 0xff, buffer.readByte());
* assertEquals((byte) 0x00, buffer.readByte());
* assertEquals((byte) 0x00, buffer.readByte());
* assertEquals((byte) 0x00, buffer.readByte());
* assertEquals((byte) 0x00, buffer.readByte());
* assertEquals((byte) 0x00, buffer.readByte());
* assertEquals((byte) 0x00, buffer.readByte());
* assertEquals((byte) 0x00, buffer.readByte());
* assertEquals((byte) 0x0f, buffer.readByte());
* assertEquals(0, buffer.size());
* }
*/
BufferedSink writeLong(long v) throws IOException;
/**
* Writes a little-endian long to this sink using eight bytes. {@code
*
* Buffer buffer = new Buffer();
* buffer.writeLongLe(9223372036854775807L);
* buffer.writeLongLe(15);
*
* assertEquals(16, buffer.size());
* assertEquals((byte) 0xff, buffer.readByte());
* assertEquals((byte) 0xff, buffer.readByte());
* assertEquals((byte) 0xff, buffer.readByte());
* assertEquals((byte) 0xff, buffer.readByte());
* assertEquals((byte) 0xff, buffer.readByte());
* assertEquals((byte) 0xff, buffer.readByte());
* assertEquals((byte) 0xff, buffer.readByte());
* assertEquals((byte) 0x7f, buffer.readByte());
* assertEquals((byte) 0x0f, buffer.readByte());
* assertEquals((byte) 0x00, buffer.readByte());
* assertEquals((byte) 0x00, buffer.readByte());
* assertEquals((byte) 0x00, buffer.readByte());
* assertEquals((byte) 0x00, buffer.readByte());
* assertEquals((byte) 0x00, buffer.readByte());
* assertEquals((byte) 0x00, buffer.readByte());
* assertEquals((byte) 0x00, buffer.readByte());
* assertEquals(0, buffer.size());
* }
*/
BufferedSink writeLongLe(long v) throws IOException;
/**
* Writes a long to this sink in signed decimal form (i.e., as a string in base 10). {@code
*
* Buffer buffer = new Buffer();
* buffer.writeDecimalLong(8675309L);
* buffer.writeByte(' ');
* buffer.writeDecimalLong(-123L);
* buffer.writeByte(' ');
* buffer.writeDecimalLong(1L);
*
* assertEquals("8675309 -123 1", buffer.readUtf8());
* }
*/
BufferedSink writeDecimalLong(long v) throws IOException;
/**
* Writes a long to this sink in hexadecimal form (i.e., as a string in base 16). {@code
*
* Buffer buffer = new Buffer();
* buffer.writeHexadecimalUnsignedLong(65535L);
* buffer.writeByte(' ');
* buffer.writeHexadecimalUnsignedLong(0xcafebabeL);
* buffer.writeByte(' ');
* buffer.writeHexadecimalUnsignedLong(0x10L);
*
* assertEquals("ffff cafebabe 10", buffer.readUtf8());
* }
*/
BufferedSink writeHexadecimalUnsignedLong(long v) throws IOException;
/**
* Writes all buffered data to the underlying sink, if one exists. Then that sink is recursively
* flushed which pushes data as far as possible towards its ultimate destination. Typically that
* destination is a network socket or file. {@code
*
* BufferedSink b0 = new Buffer();
* BufferedSink b1 = Okio.buffer(b0);
* BufferedSink b2 = Okio.buffer(b1);
*
* b2.writeUtf8("hello");
* assertEquals(5, b2.buffer().size());
* assertEquals(0, b1.buffer().size());
* assertEquals(0, b0.buffer().size());
*
* b2.flush();
* assertEquals(0, b2.buffer().size());
* assertEquals(0, b1.buffer().size());
* assertEquals(5, b0.buffer().size());
* }
*/
@Override void flush() throws IOException;
/**
* Writes all buffered data to the underlying sink, if one exists. Like {@link #flush}, but
* weaker. Call this before this buffered sink goes out of scope so that its data can reach its
* destination. {@code
*
* BufferedSink b0 = new Buffer();
* BufferedSink b1 = Okio.buffer(b0);
* BufferedSink b2 = Okio.buffer(b1);
*
* b2.writeUtf8("hello");
* assertEquals(5, b2.buffer().size());
* assertEquals(0, b1.buffer().size());
* assertEquals(0, b0.buffer().size());
*
* b2.emit();
* assertEquals(0, b2.buffer().size());
* assertEquals(5, b1.buffer().size());
* assertEquals(0, b0.buffer().size());
*
* b1.emit();
* assertEquals(0, b2.buffer().size());
* assertEquals(0, b1.buffer().size());
* assertEquals(5, b0.buffer().size());
* }
*/
BufferedSink emit() throws IOException;
/**
* Writes complete segments to the underlying sink, if one exists. Like {@link #flush}, but
* weaker. Use this to limit the memory held in the buffer to a single segment. Typically
* application code will not need to call this: it is only necessary when application code writes
* directly to this {@linkplain #buffer() sink's buffer}. {@code
*
* BufferedSink b0 = new Buffer();
* BufferedSink b1 = Okio.buffer(b0);
* BufferedSink b2 = Okio.buffer(b1);
*
* b2.buffer().write(new byte[20_000]);
* assertEquals(20_000, b2.buffer().size());
* assertEquals( 0, b1.buffer().size());
* assertEquals( 0, b0.buffer().size());
*
* b2.emitCompleteSegments();
* assertEquals( 3_616, b2.buffer().size());
* assertEquals( 0, b1.buffer().size());
* assertEquals(16_384, b0.buffer().size()); // This example assumes 8192 byte segments.
* }
*/
BufferedSink emitCompleteSegments() throws IOException;
/** Returns an output stream that writes to this sink. */
OutputStream outputStream();
}
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