From abe80cc31d5a40ebed743085011fbcda0c1a9a10 Mon Sep 17 00:00:00 2001 From: "Matt A. Tobin" Date: Tue, 23 Apr 2019 15:32:23 -0400 Subject: Issue #1053 - Drop support Android and remove Fennec - Part 1a: Remove mobile/android --- .../jakewharton/disklrucache/StrictLineReader.java | 196 --------------------- 1 file changed, 196 deletions(-) delete mode 100644 mobile/android/thirdparty/com/jakewharton/disklrucache/StrictLineReader.java (limited to 'mobile/android/thirdparty/com/jakewharton/disklrucache/StrictLineReader.java') diff --git a/mobile/android/thirdparty/com/jakewharton/disklrucache/StrictLineReader.java b/mobile/android/thirdparty/com/jakewharton/disklrucache/StrictLineReader.java deleted file mode 100644 index c90691ce4..000000000 --- a/mobile/android/thirdparty/com/jakewharton/disklrucache/StrictLineReader.java +++ /dev/null @@ -1,196 +0,0 @@ -/* - * Copyright (C) 2012 The Android Open Source Project - * - * 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 com.jakewharton.disklrucache; - -import java.io.ByteArrayOutputStream; -import java.io.Closeable; -import java.io.EOFException; -import java.io.IOException; -import java.io.InputStream; -import java.io.UnsupportedEncodingException; -import java.nio.charset.Charset; - -/** - * Buffers input from an {@link InputStream} for reading lines. - * - *

This class is used for buffered reading of lines. For purposes of this class, a line ends - * with "\n" or "\r\n". End of input is reported by throwing {@code EOFException}. Unterminated - * line at end of input is invalid and will be ignored, the caller may use {@code - * hasUnterminatedLine()} to detect it after catching the {@code EOFException}. - * - *

This class is intended for reading input that strictly consists of lines, such as line-based - * cache entries or cache journal. Unlike the {@link java.io.BufferedReader} which in conjunction - * with {@link java.io.InputStreamReader} provides similar functionality, this class uses different - * end-of-input reporting and a more restrictive definition of a line. - * - *

This class supports only charsets that encode '\r' and '\n' as a single byte with value 13 - * and 10, respectively, and the representation of no other character contains these values. - * We currently check in constructor that the charset is one of US-ASCII, UTF-8 and ISO-8859-1. - * The default charset is US_ASCII. - */ -class StrictLineReader implements Closeable { - private static final byte CR = (byte) '\r'; - private static final byte LF = (byte) '\n'; - - private final InputStream in; - private final Charset charset; - - /* - * Buffered data is stored in {@code buf}. As long as no exception occurs, 0 <= pos <= end - * and the data in the range [pos, end) is buffered for reading. At end of input, if there is - * an unterminated line, we set end == -1, otherwise end == pos. If the underlying - * {@code InputStream} throws an {@code IOException}, end may remain as either pos or -1. - */ - private byte[] buf; - private int pos; - private int end; - - /** - * Constructs a new {@code LineReader} with the specified charset and the default capacity. - * - * @param in the {@code InputStream} to read data from. - * @param charset the charset used to decode data. Only US-ASCII, UTF-8 and ISO-8859-1 are - * supported. - * @throws NullPointerException if {@code in} or {@code charset} is null. - * @throws IllegalArgumentException if the specified charset is not supported. - */ - public StrictLineReader(InputStream in, Charset charset) { - this(in, 8192, charset); - } - - /** - * Constructs a new {@code LineReader} with the specified capacity and charset. - * - * @param in the {@code InputStream} to read data from. - * @param capacity the capacity of the buffer. - * @param charset the charset used to decode data. Only US-ASCII, UTF-8 and ISO-8859-1 are - * supported. - * @throws NullPointerException if {@code in} or {@code charset} is null. - * @throws IllegalArgumentException if {@code capacity} is negative or zero - * or the specified charset is not supported. - */ - public StrictLineReader(InputStream in, int capacity, Charset charset) { - if (in == null || charset == null) { - throw new NullPointerException(); - } - if (capacity < 0) { - throw new IllegalArgumentException("capacity <= 0"); - } - if (!(charset.equals(Util.US_ASCII))) { - throw new IllegalArgumentException("Unsupported encoding"); - } - - this.in = in; - this.charset = charset; - buf = new byte[capacity]; - } - - /** - * Closes the reader by closing the underlying {@code InputStream} and - * marking this reader as closed. - * - * @throws IOException for errors when closing the underlying {@code InputStream}. - */ - public void close() throws IOException { - synchronized (in) { - if (buf != null) { - buf = null; - in.close(); - } - } - } - - /** - * Reads the next line. A line ends with {@code "\n"} or {@code "\r\n"}, - * this end of line marker is not included in the result. - * - * @return the next line from the input. - * @throws IOException for underlying {@code InputStream} errors. - * @throws EOFException for the end of source stream. - */ - public String readLine() throws IOException { - synchronized (in) { - if (buf == null) { - throw new IOException("LineReader is closed"); - } - - // Read more data if we are at the end of the buffered data. - // Though it's an error to read after an exception, we will let {@code fillBuf()} - // throw again if that happens; thus we need to handle end == -1 as well as end == pos. - if (pos >= end) { - fillBuf(); - } - // Try to find LF in the buffered data and return the line if successful. - for (int i = pos; i != end; ++i) { - if (buf[i] == LF) { - int lineEnd = (i != pos && buf[i - 1] == CR) ? i - 1 : i; - String res = new String(buf, pos, lineEnd - pos, charset.name()); - pos = i + 1; - return res; - } - } - - // Let's anticipate up to 80 characters on top of those already read. - ByteArrayOutputStream out = new ByteArrayOutputStream(end - pos + 80) { - @Override - public String toString() { - int length = (count > 0 && buf[count - 1] == CR) ? count - 1 : count; - try { - return new String(buf, 0, length, charset.name()); - } catch (UnsupportedEncodingException e) { - throw new AssertionError(e); // Since we control the charset this will never happen. - } - } - }; - - while (true) { - out.write(buf, pos, end - pos); - // Mark unterminated line in case fillBuf throws EOFException or IOException. - end = -1; - fillBuf(); - // Try to find LF in the buffered data and return the line if successful. - for (int i = pos; i != end; ++i) { - if (buf[i] == LF) { - if (i != pos) { - out.write(buf, pos, i - pos); - } - pos = i + 1; - return out.toString(); - } - } - } - } - } - - public boolean hasUnterminatedLine() { - return end == -1; - } - - /** - * Reads new input data into the buffer. Call only with pos == end or end == -1, - * depending on the desired outcome if the function throws. - */ - private void fillBuf() throws IOException { - int result = in.read(buf, 0, buf.length); - if (result == -1) { - throw new EOFException(); - } - pos = 0; - end = result; - } -} - -- cgit v1.2.3