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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/Length.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; import java.io.File; import java.io.OutputStream; import java.io.PrintStream; import org.apache.tools.ant.BuildException; import org.apache.tools.ant.Project; import org.apache.tools.ant.Task; import org.apache.tools.ant.taskdefs.condition.Condition; import org.apache.tools.ant.types.Comparison; import org.apache.tools.ant.types.EnumeratedAttribute; import org.apache.tools.ant.types.FileSet; import org.apache.tools.ant.types.Resource; import org.apache.tools.ant.types.ResourceCollection; import org.apache.tools.ant.types.resources.FileResource; import org.apache.tools.ant.types.resources.Resources; import org.apache.tools.ant.util.FileUtils; import org.apache.tools.ant.util.PropertyOutputStream; /** * Gets lengths: of files/resources, byte size; of strings, length (optionally trimmed). * The task is overloaded in this way for semantic reasons, much like Available. * @since Ant 1.6.3 */ public class Length extends Task implements Condition { private static final String ALL = "all"; private static final String EACH = "each"; private static final String STRING = "string"; private static final String LENGTH_REQUIRED = "Use of the Length condition requires that the length attribute be set."; private String property; private String string; private Boolean trim; private String mode = ALL; private Comparison when = Comparison.EQUAL; private Long length; private Resources resources; /** * The property in which the length will be stored. * @param property the <code>String</code> property key. */ public synchronized void setProperty(String property) { this.property = property; } /** * Set the single resource for this task. * @param resource the Resource whose length to retrieve. */ public synchronized void setResource(Resource resource) { add(resource); } /** * Set the single file for this task. * @param file the <code>File</code> whose length to retrieve. */ public synchronized void setFile(File file) { add(new FileResource(file)); } /** * Add a FileSet. * @param fs the <code>FileSet</code> to add. */ public synchronized void add(FileSet fs) { add((ResourceCollection) fs); } /** * Add a ResourceCollection. * @param c the <code>ResourceCollection</code> to add. * @since Ant 1.7 */ public synchronized void add(ResourceCollection c) { if (c == null) { return; } resources = (resources == null) ? new Resources() : resources; resources.add(c); } /** * Set the target count number for use as a Condition. * @param ell the long length to compare with. */ public synchronized void setLength(long ell) { length = ell; } /** * Set the comparison for use as a Condition. * @param w EnumeratedAttribute When. * @see org.apache.tools.ant.types.Comparison */ public synchronized void setWhen(When w) { setWhen((Comparison) w); } /** * Set the comparison for use as a Condition. * @param c Comparison. * @see org.apache.tools.ant.types.Comparison * @since Ant 1.7 */ public synchronized void setWhen(Comparison c) { when = c; } /** * Set the execution mode for working with files. * @param m the <code>FileMode</code> to use. */ public synchronized void setMode(FileMode m) { this.mode = m.getValue(); } /** * Set the string whose length to get. * @param string <code>String</code>. */ public synchronized void setString(String string) { this.string = string; this.mode = STRING; } /** * Set whether to trim in string mode. Default false. * @param trim <code>boolean</code>. */ public synchronized void setTrim(boolean trim) { this.trim = trim; } /** * Learn whether strings will be trimmed. Default false. * @return boolean trim setting. */ public boolean getTrim() { return Boolean.TRUE.equals(trim); } /** * Execute the length task. */ @Override public void execute() { validate(); OutputStream out = property == null ? new LogOutputStream(this, Project.MSG_INFO) : new PropertyOutputStream(getProject(), property); PrintStream ps = new PrintStream(out); switch (mode) { case STRING: ps.print(getLength(string, getTrim())); ps.close(); break; case EACH: handleResources(new EachHandler(ps)); break; case ALL: handleResources(new AllHandler(ps)); break; } } /** * Fulfill the condition contract. * @return true if the condition is true. * @throws BuildException if an error occurs. */ @Override public boolean eval() { validate(); if (length == null) { throw new BuildException(LENGTH_REQUIRED); } Long ell; if (STRING.equals(mode)) { ell = getLength(string, getTrim()); } else { AccumHandler h = new AccumHandler(); handleResources(h); ell = h.getAccum(); } return when.evaluate(ell.compareTo(length)); } private void validate() { if (string != null) { if (resources != null) { throw new BuildException( "the string length function is incompatible with the file/resource length function"); } if (!(STRING.equals(mode))) { throw new BuildException( "the mode attribute is for use with the file/resource length function"); } } else if (resources != null) { if (!EACH.equals(mode) && !ALL.equals(mode)) { throw new BuildException( "invalid mode setting for file/resource length function: \"" + mode + "\""); } if (trim != null) { throw new BuildException( "the trim attribute is for use with the string length function only"); } } else { throw new BuildException( "you must set either the string attribute or specify one or more files using the file attribute or nested resource collections"); } } private void handleResources(Handler h) { for (Resource r : resources) { if (!r.isExists()) { log(r + " does not exist", Project.MSG_WARN); } if (r.isDirectory()) { log(r + " is a directory; length may not be meaningful", Project.MSG_WARN); } h.handle(r); } h.complete(); } private static long getLength(String s, boolean t) { return (t ? s.trim() : s).length(); } /** EnumeratedAttribute operation mode */ public static class FileMode extends EnumeratedAttribute { static final String[] MODES = new String[] {EACH, ALL}; //NOSONAR /** * Return the possible values for FileMode. * @return <code>String[]</code>. */ @Override public String[] getValues() { return MODES; } } /** * EnumeratedAttribute for the when attribute. */ public static class When extends Comparison { //extend Comparison; retain for BC only } private abstract class Handler { private PrintStream ps; Handler(PrintStream ps) { this.ps = ps; } protected PrintStream getPs() { return ps; } protected abstract void handle(Resource r); void complete() { FileUtils.close(ps); } } private class EachHandler extends Handler { EachHandler(PrintStream ps) { super(ps); } @Override protected void handle(Resource r) { getPs().print(r.toString()); getPs().print(" : "); //when writing to the log, we'll see what's happening: long size = r.getSize(); if (size == Resource.UNKNOWN_SIZE) { getPs().println("unknown"); } else { getPs().println(size); } } } private class AccumHandler extends Handler { private long accum = 0L; AccumHandler() { super(null); } protected AccumHandler(PrintStream ps) { super(ps); } protected long getAccum() { return accum; } @Override protected synchronized void handle(Resource r) { long size = r.getSize(); if (size == Resource.UNKNOWN_SIZE) { log("Size unknown for " + r.toString(), Project.MSG_WARN); } else { accum += size; } } } private class AllHandler extends AccumHandler { AllHandler(PrintStream ps) { super(ps); } @Override void complete() { getPs().print(getAccum()); super.complete(); } } }
⏎ org/apache/tools/ant/taskdefs/Length.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, 110409👍, 0💬
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