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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/AntStructure.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.IOException; import java.io.OutputStreamWriter; import java.io.PrintWriter; import java.lang.reflect.InvocationTargetException; import java.nio.charset.StandardCharsets; import java.nio.file.Files; import java.util.ArrayList; import java.util.Collections; import java.util.Hashtable; import java.util.List; import java.util.Set; import java.util.stream.Collector; import java.util.stream.Collectors; import java.util.stream.Stream; import org.apache.tools.ant.BuildException; import org.apache.tools.ant.IntrospectionHelper; import org.apache.tools.ant.Project; import org.apache.tools.ant.Task; import org.apache.tools.ant.TaskContainer; import org.apache.tools.ant.types.EnumeratedAttribute; import org.apache.tools.ant.types.Reference; /** * Creates a partial DTD for Ant from the currently known tasks. * * * @since Ant 1.1 * * @ant.task category="xml" */ public class AntStructure extends Task { private File output; private StructurePrinter printer = new DTDPrinter(); /** * The output file. * @param output the output file */ public void setOutput(final File output) { this.output = output; } /** * The StructurePrinter to use. * @param p the printer to use. * @since Ant 1.7 */ public void add(final StructurePrinter p) { printer = p; } /** * Build the antstructure DTD. * * @exception BuildException if the DTD cannot be written. */ @Override public void execute() throws BuildException { if (output == null) { throw new BuildException("output attribute is required", getLocation()); } try (PrintWriter out = new PrintWriter(new OutputStreamWriter( Files.newOutputStream(output.toPath()), StandardCharsets.UTF_8))) { printer.printHead(out, getProject(), new Hashtable<>(getProject().getTaskDefinitions()), new Hashtable<>(getProject().getDataTypeDefinitions())); printer.printTargetDecl(out); for (final String typeName : getProject().getCopyOfDataTypeDefinitions().keySet()) { printer.printElementDecl(out, getProject(), typeName, getProject().getDataTypeDefinitions().get(typeName)); } for (final String tName : getProject().getCopyOfTaskDefinitions().keySet()) { printer.printElementDecl(out, getProject(), tName, getProject().getTaskDefinitions().get(tName)); } printer.printTail(out); if (out.checkError()) { throw new IOException("Encountered an error writing Ant structure"); } } catch (final IOException ioe) { throw new BuildException("Error writing " + output.getAbsolutePath(), ioe, getLocation()); } } /** * Writes the actual structure information. * * <p>{@link #printHead}, {@link #printTargetDecl} and {@link #printTail} * are called exactly once, {@link #printElementDecl} once for * each declared task and type.</p> */ public interface StructurePrinter { /** * Prints the header of the generated output. * * @param out PrintWriter to write to. * @param p Project instance for the current task * @param tasks map (name to implementing class) * @param types map (name to implementing class) * data types. */ void printHead(PrintWriter out, Project p, Hashtable<String, Class<?>> tasks, Hashtable<String, Class<?>> types); /** * Prints the definition for the target element. * @param out PrintWriter to write to. */ void printTargetDecl(PrintWriter out); /** * Print the definition for a given element. * * @param out PrintWriter to write to. * @param p Project instance for the current task * @param name element name. * @param element class of the defined element. */ void printElementDecl(PrintWriter out, Project p, String name, Class<?> element); /** * Prints the trailer. * @param out PrintWriter to write to. */ void printTail(PrintWriter out); } private static class DTDPrinter implements StructurePrinter { private static final String BOOLEAN = "%boolean;"; private static final String TASKS = "%tasks;"; private static final String TYPES = "%types;"; private final Hashtable<String, String> visited = new Hashtable<>(); @Override public void printTail(final PrintWriter out) { visited.clear(); } @Override public void printHead(final PrintWriter out, final Project p, final Hashtable<String, Class<?>> tasks, final Hashtable<String, Class<?>> types) { printHead(out, tasks.keySet(), types.keySet()); } /** * Prints the header of the generated output. * * <p>Basically this prints the XML declaration, defines some * entities and the project element.</p> */ private void printHead(final PrintWriter out, final Set<String> tasks, final Set<String> types) { out.println("<?xml version=\"1.0\" encoding=\"UTF-8\" ?>"); out.println("<!ENTITY % boolean \"(true|false|on|off|yes|no)\">"); out.println(tasks.stream().collect( Collectors.joining(" | ", "<!ENTITY % tasks \"", "\">"))); out.println(types.stream().collect( Collectors.joining(" | ", "<!ENTITY % types \"", "\">"))); out.println(); out.print("<!ELEMENT project (target | extension-point | "); out.print(TASKS); out.print(" | "); out.print(TYPES); out.println(")*>"); out.println("<!ATTLIST project"); out.println(" name CDATA #IMPLIED"); out.println(" default CDATA #IMPLIED"); out.println(" basedir CDATA #IMPLIED>"); out.println(""); } /** * Prints the definition for the target element. */ @Override public void printTargetDecl(final PrintWriter out) { out.print("<!ELEMENT target ("); out.print(TASKS); out.print(" | "); out.print(TYPES); out.println(")*>"); out.println(""); printTargetAttrs(out, "target"); out.println("<!ELEMENT extension-point EMPTY>"); out.println(""); printTargetAttrs(out, "extension-point"); } /** * Prints the definition for the target element. */ private void printTargetAttrs(final PrintWriter out, final String tag) { out.print("<!ATTLIST "); out.println(tag); out.println(" id ID #IMPLIED"); out.println(" name CDATA #REQUIRED"); out.println(" if CDATA #IMPLIED"); out.println(" unless CDATA #IMPLIED"); out.println(" depends CDATA #IMPLIED"); out.println(" extensionOf CDATA #IMPLIED"); out.println(" onMissingExtensionPoint CDATA #IMPLIED"); out.println(" description CDATA #IMPLIED>"); out.println(""); } /** * Print the definition for a given element. */ @Override public void printElementDecl(final PrintWriter out, final Project p, final String name, final Class<?> element) { if (visited.containsKey(name)) { return; } visited.put(name, ""); IntrospectionHelper ih; try { ih = IntrospectionHelper.getHelper(p, element); } catch (final Throwable t) { /* * TODO - failed to load the class properly. * * should we print a warning here? */ return; } StringBuilder sb = new StringBuilder("<!ELEMENT ").append(name).append(" "); if (Reference.class.equals(element)) { sb.append(String.format("EMPTY>%n<!ATTLIST %s%n" + " id ID #IMPLIED%n refid IDREF #IMPLIED>%n", name)); out.println(sb); return; } final List<String> v = new ArrayList<>(); if (ih.supportsCharacters()) { v.add("#PCDATA"); } if (TaskContainer.class.isAssignableFrom(element)) { v.add(TASKS); } v.addAll(Collections.list(ih.getNestedElements())); final Collector<CharSequence, ?, String> joinAlts = Collectors.joining(" | ", "(", ")"); if (v.isEmpty()) { sb.append("EMPTY"); } else { sb.append(v.stream().collect(joinAlts)); if (v.size() > 1 || !"#PCDATA".equals(v.get(0))) { sb.append("*"); } } sb.append(">"); out.println(sb); sb = new StringBuilder(); sb.append(String.format("<!ATTLIST %s%n id ID #IMPLIED", name)); for (final String attrName : Collections.list(ih.getAttributes())) { if ("id".equals(attrName)) { continue; } sb.append(String.format("%n %s ", attrName)); final Class<?> type = ih.getAttributeType(attrName); if (type.equals(Boolean.class) || type.equals(Boolean.TYPE)) { sb.append(BOOLEAN).append(" "); } else if (Reference.class.isAssignableFrom(type)) { sb.append("IDREF "); } else if (EnumeratedAttribute.class.isAssignableFrom(type)) { try { final EnumeratedAttribute ea = type.asSubclass(EnumeratedAttribute.class).getDeclaredConstructor().newInstance(); final String[] values = ea.getValues(); if (values == null || values.length == 0 || !areNmtokens(values)) { sb.append("CDATA "); } else { sb.append(Stream.of(values).collect(joinAlts)).append(" "); } } catch (final InstantiationException | IllegalAccessException | NoSuchMethodException | InvocationTargetException ie) { sb.append("CDATA "); } } else if (Enum.class.isAssignableFrom(type)) { try { final Enum<?>[] values = (Enum<?>[]) type.getMethod("values").invoke(null); if (values.length == 0) { sb.append("CDATA "); } else { sb.append(Stream.of(values).map(Enum::name) .collect(joinAlts)).append(" "); } } catch (final Exception x) { sb.append("CDATA "); } } else { sb.append("CDATA "); } sb.append("#IMPLIED"); } sb.append(String.format(">%n")); out.println(sb); for (String nestedName : v) { if (!"#PCDATA".equals(nestedName) && !TASKS.equals(nestedName) && !TYPES.equals(nestedName)) { printElementDecl(out, p, nestedName, ih.getElementType(nestedName)); } } } /** * Does this String match the XML-NMTOKEN production? * @param s the string to test * @return true if the string matches the XML-NMTOKEN */ public static final boolean isNmtoken(final String s) { final int length = s.length(); for (int i = 0; i < length; i++) { final char c = s.charAt(i); // TODO - we are committing CombiningChar and Extender here if (!Character.isLetterOrDigit(c) && c != '.' && c != '-' && c != '_' && c != ':') { return false; } } return true; } /** * Do the Strings all match the XML-NMTOKEN production? * * <p>Otherwise they are not suitable as an enumerated attribute, * for example.</p> * @param s the array of string to test * @return true if all the strings in the array math XML-NMTOKEN */ public static final boolean areNmtokens(final String[] s) { for (String value : s) { if (!isNmtoken(value)) { return false; } } return true; } } /** * Does this String match the XML-NMTOKEN production? * @param s the string to test * @return true if the string matches the XML-NMTOKEN */ protected boolean isNmtoken(final String s) { return DTDPrinter.isNmtoken(s); } /** * Do the Strings all match the XML-NMTOKEN production? * * <p>Otherwise they are not suitable as an enumerated attribute, * for example.</p> * @param s the array of string to test * @return true if all the strings in the array math XML-NMTOKEN */ protected boolean areNmtokens(final String[] s) { return DTDPrinter.areNmtokens(s); } }
⏎ org/apache/tools/ant/taskdefs/AntStructure.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, 109749👍, 0💬
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