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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/taskdefs/optional/image/ImageIOTask.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.taskdefs.optional.image; import org.apache.tools.ant.BuildException; import org.apache.tools.ant.Project; import org.apache.tools.ant.taskdefs.MatchingTask; import org.apache.tools.ant.types.EnumeratedAttribute; import org.apache.tools.ant.types.FileSet; import org.apache.tools.ant.types.Mapper; import org.apache.tools.ant.types.optional.imageio.Draw; import org.apache.tools.ant.types.optional.imageio.ImageOperation; import org.apache.tools.ant.types.optional.imageio.Rotate; import org.apache.tools.ant.types.optional.imageio.Scale; import org.apache.tools.ant.types.optional.imageio.TransformOperation; import org.apache.tools.ant.util.FileNameMapper; import org.apache.tools.ant.util.IdentityMapper; import org.apache.tools.ant.util.StringUtils; import javax.imageio.ImageIO; import javax.imageio.ImageReader; import javax.imageio.stream.ImageInputStream; import java.awt.image.BufferedImage; import java.io.File; import java.io.IOException; import java.util.ArrayList; import java.util.Iterator; import java.util.List; /** * A MatchingTask which relies on Java ImageIO to read existing image files * and write the results of AWT image manipulation operations. * The operations are represented as ImageOperation DataType objects. * The task replaces a JAI-based Image task which no longer works with Java 9+. * * @see ImageOperation * @see org.apache.tools.ant.types.DataType */ public class ImageIOTask extends MatchingTask { private final List<ImageOperation> instructions = new ArrayList<>(); private boolean overwrite = false; private final List<FileSet> filesets = new ArrayList<>(); private File srcDir = null; private File destDir = null; private ImageFormat outputFormat; private boolean garbageCollect = false; private boolean failOnError = true; private Mapper mapperElement = null; /** * Add a set of files to be deleted. * @param set the FileSet to add. */ public void addFileset(FileSet set) { filesets.add(set); } /** * Set whether to fail on error. * If false, note errors to the output but keep going. * @param flag true or false. */ public void setFailOnError(boolean flag) { failOnError = flag; } /** * Set the source dir to find the image files. * @param srcDir the directory in which the image files reside. */ public void setSrcdir(File srcDir) { this.srcDir = srcDir; } /** * Set the output image format. * @param format an ImageFormat. */ public void setFormat(ImageFormat format) { outputFormat = format; } /** * Set whether to overwrite a file if there is a naming conflict. * @param overwrite whether to overwrite. */ public void setOverwrite(boolean overwrite) { this.overwrite = overwrite; } /** * Set whether to invoke Garbage Collection after each image processed. * Defaults to false. * @param gc whether to invoke the garbage collector. */ public void setGc(boolean gc) { garbageCollect = gc; } /** * Set the destination directory for manipulated images. * @param destDir The destination directory. */ public void setDestDir(File destDir) { this.destDir = destDir; } /** * Add an ImageOperation to chain. * @param instr The ImageOperation to append to the chain. */ public void addImageOperation(ImageOperation instr) { instructions.add(instr); } /** * Add a Rotate ImageOperation to the chain. * @param instr The Rotate operation to add to the chain. * @see Rotate */ public void addRotate(Rotate instr) { instructions.add(instr); } /** * Add a Scale ImageOperation to the chain. * @param instr The Scale operation to add to the chain. * @see Scale */ public void addScale(Scale instr) { instructions.add(instr); } /** * Add a Draw ImageOperation to the chain. DrawOperation * DataType objects can be nested inside the Draw object. * @param instr The Draw operation to add to the chain. * @see Draw * @see org.apache.tools.ant.types.optional.image.DrawOperation */ public void addDraw(Draw instr) { instructions.add(instr); } /** * Add an ImageOperation to chain. * @param instr The ImageOperation to append to the chain. * @since Ant 1.7 */ public void add(ImageOperation instr) { addImageOperation(instr); } /** * Defines the mapper to map source to destination files. * @return a mapper to be configured * @exception BuildException if more than one mapper is defined * @since Ant 1.8.0 */ public Mapper createMapper() throws BuildException { if (mapperElement != null) { throw new BuildException("Cannot define more than one mapper", getLocation()); } mapperElement = new Mapper(getProject()); return mapperElement; } /** * Add a nested filenamemapper. * @param fileNameMapper the mapper to add. * @since Ant 1.8.0 */ public void add(FileNameMapper fileNameMapper) { createMapper().add(fileNameMapper); } /** * Executes all the chained ImageOperations on the files inside * the directory. * @param srcDir File * @param srcNames String[] * @param dstDir File * @param mapper FileNameMapper * @return int * @since Ant 1.8.0 */ public int processDir(final File srcDir, final String[] srcNames, final File dstDir, final FileNameMapper mapper) { int writeCount = 0; for (final String srcName : srcNames) { final File srcFile = new File(srcDir, srcName).getAbsoluteFile(); final String[] dstNames = mapper.mapFileName(srcName); if (dstNames == null) { log(srcFile + " skipped, don't know how to handle it", Project.MSG_VERBOSE); continue; } for (String dstName : dstNames) { final File dstFile = new File(dstDir, dstName).getAbsoluteFile(); if (dstFile.exists()) { // avoid overwriting unless necessary if (!overwrite && srcFile.lastModified() <= dstFile.lastModified()) { log(srcFile + " omitted as " + dstFile + " is up to date.", Project.MSG_VERBOSE); // don't overwrite the file continue; } // avoid extra work while overwriting if (!srcFile.equals(dstFile)) { dstFile.delete(); } } processFile(srcFile, dstFile); ++writeCount; } } // run the garbage collector if wanted if (garbageCollect) { System.gc(); } return writeCount; } /** * Executes all the chained ImageOperations on the file * specified. * @param file The file to be processed. * @deprecated this method isn't used anymore */ @Deprecated public void processFile(File file) { processFile(file, new File(destDir == null ? srcDir : destDir, file.getName())); } /** * Executes all the chained ImageOperations on the file * specified. * @param file The file to be processed. * @param newFile The file to write to. * @since Ant 1.8.0 */ public void processFile(File file, File newFile) { log("Processing File: " + file.getAbsolutePath()); try (ImageInputStream input = ImageIO.createImageInputStream(file)) { Iterator<ImageReader> readers = ImageIO.getImageReaders(input); if (!readers.hasNext()) { log("No decoder available, skipping"); return; } ImageReader reader = readers.next(); if (outputFormat == null) { outputFormat = new ImageFormat(reader.getFormatName()); } reader.setInput(input); BufferedImage image = reader.read(0); reader.dispose(); for (ImageOperation instr : instructions) { if (instr instanceof TransformOperation) { image = ((TransformOperation) instr).executeTransformOperation(image); } else { log("Not a TransformOperation: " + instr); } } File dstParent = newFile.getParentFile(); if (!dstParent.isDirectory() && !(dstParent.mkdirs() || dstParent.isDirectory())) { throw new BuildException("Failed to create parent directory %s", dstParent); } if (overwrite && newFile.exists() && !newFile.equals(file)) { newFile.delete(); } if (!ImageIO.write(image, outputFormat.getValue(), newFile)) { log("Failed to save the transformed file"); } } catch (IOException | RuntimeException err) { if (!file.equals(newFile)) { newFile.delete(); } if (!failOnError) { log("Error processing file: " + err); } else { throw new BuildException(err); } } } /** * Executes the Task. * @throws BuildException on error. */ @Override public void execute() throws BuildException { validateAttributes(); try { File dest = (destDir != null) ? destDir : srcDir; int writeCount = 0; // build mapper final FileNameMapper mapper = mapperElement == null ? new IdentityMapper() : mapperElement.getImplementation(); // deal with specified srcDir if (srcDir != null) { writeCount += processDir(srcDir, super.getDirectoryScanner(srcDir).getIncludedFiles(), dest, mapper); } // deal with the filesets for (FileSet fs : filesets) { writeCount += processDir(fs.getDir(), fs.getDirectoryScanner().getIncludedFiles(), dest, mapper); } if (writeCount > 0) { log("Processed " + writeCount + (writeCount == 1 ? " image." : " images.")); } } catch (Exception err) { log(StringUtils.getStackTrace(err), Project.MSG_ERR); throw new BuildException(err.getMessage()); } } /** * Ensure we have a consistent and legal set of attributes, and set * any internal flags necessary based on different combinations * of attributes. * @throws BuildException on error. */ protected void validateAttributes() throws BuildException { if (srcDir == null && filesets.isEmpty()) { throw new BuildException( "Specify at least one source--a srcDir or a fileset."); } if (srcDir == null && destDir == null) { throw new BuildException("Specify the destDir, or the srcDir."); } } /** * defines acceptable image formats. */ public static class ImageFormat extends EnumeratedAttribute { private static final String[] VALUES = ImageIO.getReaderFormatNames(); /** * Constructor */ public ImageFormat() { } /** * Constructor using a string. * @param value the value of the attribute */ public ImageFormat(String value) { setValue(value); } /** {@inheritDoc}. */ @Override public String[] getValues() { return VALUES; } } }
⏎ org/apache/tools/ant/taskdefs/optional/image/ImageIOTask.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, 110369👍, 0💬
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