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Apache Ant Source Code Files
Apache Ant Source Code Files are inside the Apache Ant source package file like apache-ant-1.10.10-src.zip. Unzip the source package file and go to the "src/main" sub-directory, you will see source code files.
Here is the list of Java source code files of the Apache Ant 1.10.10 in \Users\fyicenter\apache-ant-1.10.10\src\main:
✍: FYIcenter.com
⏎ org/apache/tools/ant/DemuxOutputStream.java
/* * 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 * * https://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.tools.ant; import java.io.ByteArrayOutputStream; import java.io.IOException; import java.io.OutputStream; import java.util.WeakHashMap; import org.apache.tools.ant.util.FileUtils; /** * Logs content written by a thread and forwards the buffers onto the * project object which will forward the content to the appropriate * task. * * @since 1.4 */ public class DemuxOutputStream extends OutputStream { /** * A data class to store information about a buffer. Such information * is stored on a per-thread basis. */ private static class BufferInfo { /** * The per-thread output stream. */ private ByteArrayOutputStream buffer; /** * Indicates we have just seen a carriage return. It may be part of * a crlf pair or a single cr invoking processBuffer twice. */ private boolean crSeen = false; } /** Maximum buffer size. */ private static final int MAX_SIZE = 1024; /** Initial buffer size. */ private static final int INITIAL_SIZE = 132; /** Carriage return */ private static final int CR = 0x0d; /** Linefeed */ private static final int LF = 0x0a; /** Mapping from thread to buffer (Thread to BufferInfo). */ private WeakHashMap<Thread, BufferInfo> buffers = new WeakHashMap<>(); /** * The project to send output to. */ private Project project; /** * Whether or not this stream represents an error stream. */ private boolean isErrorStream; /** * Creates a new instance of this class. * * @param project The project instance for which output is being * demultiplexed. Must not be <code>null</code>. * @param isErrorStream <code>true</code> if this is the error string, * otherwise a normal output stream. This is * passed to the project so it knows * which stream it is receiving. */ public DemuxOutputStream(Project project, boolean isErrorStream) { this.project = project; this.isErrorStream = isErrorStream; } /** * Returns the buffer associated with the current thread. * * @return a BufferInfo for the current thread to write data to */ private BufferInfo getBufferInfo() { Thread current = Thread.currentThread(); return buffers.computeIfAbsent(current, x -> { BufferInfo bufferInfo = new BufferInfo(); bufferInfo.buffer = new ByteArrayOutputStream(INITIAL_SIZE); bufferInfo.crSeen = false; return bufferInfo; }); } /** * Resets the buffer for the current thread. */ private void resetBufferInfo() { Thread current = Thread.currentThread(); BufferInfo bufferInfo = buffers.get(current); FileUtils.close(bufferInfo.buffer); bufferInfo.buffer = new ByteArrayOutputStream(); bufferInfo.crSeen = false; } /** * Removes the buffer for the current thread. */ private void removeBuffer() { Thread current = Thread.currentThread(); buffers.remove(current); } /** * Writes the data to the buffer and flushes the buffer if a line * separator is detected or if the buffer has reached its maximum size. * * @param cc data to log (byte). * @exception IOException if the data cannot be written to the stream */ @Override public void write(int cc) throws IOException { final byte c = (byte) cc; BufferInfo bufferInfo = getBufferInfo(); if (c == '\n') { // LF is always end of line (i.e. CRLF or single LF) bufferInfo.buffer.write(cc); processBuffer(bufferInfo.buffer); } else { if (bufferInfo.crSeen) { // CR without LF - send buffer then add char processBuffer(bufferInfo.buffer); } // add into buffer bufferInfo.buffer.write(cc); } bufferInfo.crSeen = (c == '\r'); if (!bufferInfo.crSeen && bufferInfo.buffer.size() > MAX_SIZE) { processBuffer(bufferInfo.buffer); } } /** * Converts the buffer to a string and sends it to the project. * * @param buffer the ByteArrayOutputStream used to collect the output * until a line separator is seen. * * @see Project#demuxOutput(String,boolean) */ protected void processBuffer(ByteArrayOutputStream buffer) { String output = buffer.toString(); project.demuxOutput(output, isErrorStream); resetBufferInfo(); } /** * Converts the buffer to a string and sends it to the project. * * @param buffer the ByteArrayOutputStream used to collect the output * until a line separator is seen. * * @see Project#demuxOutput(String,boolean) */ protected void processFlush(ByteArrayOutputStream buffer) { String output = buffer.toString(); project.demuxFlush(output, isErrorStream); resetBufferInfo(); } /** * Equivalent to flushing the stream. * * @exception IOException if there is a problem closing the stream. * * @see #flush */ @Override public void close() throws IOException { flush(); removeBuffer(); } /** * Writes all remaining data in the buffer associated * with the current thread to the project. * * @exception IOException if there is a problem flushing the stream. */ @Override public void flush() throws IOException { BufferInfo bufferInfo = getBufferInfo(); if (bufferInfo.buffer.size() > 0) { processFlush(bufferInfo.buffer); } } /** * Write a block of characters to the output stream * * @param b the array containing the data * @param off the offset into the array where data starts * @param len the length of block * * @throws IOException if the data cannot be written into the stream. */ @Override public void write(byte[] b, int off, int len) throws IOException { // find the line breaks and pass other chars through in blocks int offset = off; int blockStartOffset = offset; int remaining = len; BufferInfo bufferInfo = getBufferInfo(); while (remaining > 0) { while (remaining > 0 && b[offset] != LF && b[offset] != CR) { offset++; remaining--; } // either end of buffer or a line separator char int blockLength = offset - blockStartOffset; if (blockLength > 0) { bufferInfo.buffer.write(b, blockStartOffset, blockLength); } while (remaining > 0 && (b[offset] == LF || b[offset] == CR)) { write(b[offset]); offset++; remaining--; } blockStartOffset = offset; } } }
⏎ org/apache/tools/ant/DemuxOutputStream.java
Or download all of them as a single archive file:
File name: apache-ant-1.10.10-fyi.zip File size: 2392938 bytes Release date: 2021-04-17 Download
⇐ Download Apache Ant Source Package
2021-07-10, 110212👍, 0💬
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