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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/ProjectHelper.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.File; import java.util.Hashtable; import java.util.LinkedList; import java.util.List; import java.util.Locale; import java.util.Vector; import org.apache.tools.ant.types.Resource; import org.apache.tools.ant.types.resources.FileResource; import org.apache.tools.ant.util.LoaderUtils; import org.xml.sax.AttributeList; /** * Configures a Project (complete with Targets and Tasks) based on * a build file. It'll rely on a plugin to do the actual processing * of the file. * <p> * This class also provide static wrappers for common introspection. */ public class ProjectHelper { /** The URI for ant name space */ public static final String ANT_CORE_URI = MagicNames.ANTLIB_PREFIX + MagicNames.ANT_CORE_PACKAGE; /** The URI for antlib current definitions */ public static final String ANT_CURRENT_URI = "ant:current"; /** The URI for ant specific attributes * @since Ant 1.9.1 */ public static final String ANT_ATTRIBUTE_URI = "ant:attribute"; /** * The URI for defined types/tasks - the format is antlib:<package> * @deprecated use MagicNames.ANTLIB_PREFIX */ @Deprecated public static final String ANTLIB_URI = MagicNames.ANTLIB_PREFIX; /** Polymorphic attribute */ public static final String ANT_TYPE = "ant-type"; /** * Name of JVM system property which provides the name of the * ProjectHelper class to use. * @deprecated use MagicNames.PROJECT_HELPER_CLASS */ @Deprecated public static final String HELPER_PROPERTY = MagicNames.PROJECT_HELPER_CLASS; /** * The service identifier in jars which provide Project Helper * implementations. * @deprecated use MagicNames.PROJECT_HELPER_SERVICE */ @Deprecated public static final String SERVICE_ID = MagicNames.PROJECT_HELPER_SERVICE; /** * name of project helper reference that we add to a project * @deprecated use MagicNames.REFID_PROJECT_HELPER */ @Deprecated public static final String PROJECTHELPER_REFERENCE = MagicNames.REFID_PROJECT_HELPER; /** * constant to denote use project name as target prefix * @since Ant 1.9.1 */ public static final String USE_PROJECT_NAME_AS_TARGET_PREFIX = "USE_PROJECT_NAME_AS_TARGET_PREFIX"; /** * Configures the project with the contents of the specified build file. * * @param project The project to configure. Must not be <code>null</code>. * @param buildFile A build file giving the project's configuration. * Must not be <code>null</code>. * * @exception BuildException if the configuration is invalid or cannot be read */ public static void configureProject(Project project, File buildFile) throws BuildException { FileResource resource = new FileResource(buildFile); ProjectHelper helper = ProjectHelperRepository.getInstance().getProjectHelperForBuildFile(resource); project.addReference(MagicNames.REFID_PROJECT_HELPER, helper); helper.parse(project, buildFile); } /** * Possible value for target's onMissingExtensionPoint attribute. It determines how to deal with * targets that want to extend missing extension-points. * <p> * This class behaves like a Java 1.5 Enum class. * * @since 1.8.2 */ public static final class OnMissingExtensionPoint { /** fail if the extension-point is not defined */ public static final OnMissingExtensionPoint FAIL = new OnMissingExtensionPoint( "fail"); /** warn if the extension-point is not defined */ public static final OnMissingExtensionPoint WARN = new OnMissingExtensionPoint( "warn"); /** ignore the extensionOf attribute if the extension-point is not defined */ public static final OnMissingExtensionPoint IGNORE = new OnMissingExtensionPoint( "ignore"); private static final OnMissingExtensionPoint[] values = new OnMissingExtensionPoint[] { FAIL, WARN, IGNORE }; private final String name; private OnMissingExtensionPoint(String name) { this.name = name; } public String name() { return name; } public String toString() { return name; } public static OnMissingExtensionPoint valueOf(String name) { if (name == null) { throw new NullPointerException(); } for (OnMissingExtensionPoint value : values) { if (name.equals(value.name())) { return value; } } throw new IllegalArgumentException( "Unknown onMissingExtensionPoint " + name); } } // -------------------- Common properties -------------------- // The following properties are required by import (and other tasks // that read build files using ProjectHelper). private Vector<Object> importStack = new Vector<>(); private List<String[]> extensionStack = new LinkedList<>(); /** * Import stack. * Used to keep track of imported files. Error reporting should * display the import path. * * @return the stack of import source objects. */ public Vector<Object> getImportStack() { return importStack; } /** * Extension stack. * Used to keep track of targets that extend extension points. * * @return a list of three element string arrays where the first * element is the name of the extensionpoint, the second the name * of the target and the third the name of the enum like class * {@link OnMissingExtensionPoint}. */ public List<String[]> getExtensionStack() { return extensionStack; } private static final ThreadLocal<String> targetPrefix = new ThreadLocal<>(); /** * The prefix to prepend to imported target names. * * <p>May be set by <import>'s as attribute.</p> * * @return the configured prefix or null * * @since Ant 1.8.0 */ public static String getCurrentTargetPrefix() { return targetPrefix.get(); } /** * Sets the prefix to prepend to imported target names. * * @param prefix String * @since Ant 1.8.0 */ public static void setCurrentTargetPrefix(String prefix) { targetPrefix.set(prefix); } private static final ThreadLocal<String> prefixSeparator = ThreadLocal.withInitial(() -> "."); /** * The separator between the prefix and the target name. * * <p>May be set by <import>'s prefixSeparator attribute.</p> * * @return String * @since Ant 1.8.0 */ public static String getCurrentPrefixSeparator() { return prefixSeparator.get(); } /** * Sets the separator between the prefix and the target name. * * @param sep String * @since Ant 1.8.0 */ public static void setCurrentPrefixSeparator(String sep) { prefixSeparator.set(sep); } private static final ThreadLocal<Boolean> inIncludeMode = ThreadLocal.withInitial(() -> Boolean.FALSE); /** * Whether the current file should be read in include as opposed * to import mode. * * <p>In include mode included targets are only known by their * prefixed names and their depends lists get rewritten so that * all dependencies get the prefix as well.</p> * * <p>In import mode imported targets are known by an adorned as * well as a prefixed name and the unadorned target may be * overwritten in the importing build file. The depends list of * the imported targets is not modified at all.</p> * * @return boolean * @since Ant 1.8.0 */ public static boolean isInIncludeMode() { return Boolean.TRUE.equals(inIncludeMode.get()); } /** * Sets whether the current file should be read in include as * opposed to import mode. * * @param includeMode boolean * @since Ant 1.8.0 */ public static void setInIncludeMode(boolean includeMode) { inIncludeMode.set(includeMode); } // -------------------- Parse method -------------------- /** * Parses the project file, configuring the project as it goes. * * @param project The project for the resulting ProjectHelper to configure. * Must not be <code>null</code>. * @param source The source for XML configuration. A helper must support * at least File, for backward compatibility. Helpers may * support URL, InputStream, etc or specialized types. * * @since Ant1.5 * @exception BuildException if the configuration is invalid or cannot * be read */ public void parse(Project project, Object source) throws BuildException { throw new BuildException("ProjectHelper.parse() must be implemented " + "in a helper plugin " + this.getClass().getName()); } /** * Get the first project helper found in the classpath * * @return an project helper, never <code>null</code> * @see org.apache.tools.ant.ProjectHelperRepository#getHelpers() */ public static ProjectHelper getProjectHelper() { return ProjectHelperRepository.getInstance().getHelpers().next(); } /** * JDK1.1 compatible access to the context class loader. Cut & paste from JAXP. * * @deprecated since 1.6.x. * Use LoaderUtils.getContextClassLoader() * * @return the current context class loader, or <code>null</code> * if the context class loader is unavailable. */ @Deprecated public static ClassLoader getContextClassLoader() { return LoaderUtils.isContextLoaderAvailable() ? LoaderUtils.getContextClassLoader() : null; } // -------------------- Static utils, used by most helpers ---------------- /** * Configures an object using an introspection handler. * * @param target The target object to be configured. * Must not be <code>null</code>. * @param attrs A list of attributes to configure within the target. * Must not be <code>null</code>. * @param project The project containing the target. * Must not be <code>null</code>. * * @deprecated since 1.6.x. * Use IntrospectionHelper for each property. * * @exception BuildException if any of the attributes can't be handled by * the target */ @Deprecated public static void configure(Object target, AttributeList attrs, Project project) throws BuildException { if (target instanceof TypeAdapter) { target = ((TypeAdapter) target).getProxy(); } IntrospectionHelper ih = IntrospectionHelper.getHelper(project, target.getClass()); for (int i = 0, length = attrs.getLength(); i < length; i++) { // reflect these into the target String value = replaceProperties(project, attrs.getValue(i), project.getProperties()); try { ih.setAttribute(project, target, attrs.getName(i).toLowerCase(Locale.ENGLISH), value); } catch (BuildException be) { // id attribute must be set externally if (!attrs.getName(i).equals("id")) { throw be; } } } } /** * Adds the content of #PCDATA sections to an element. * * @param project The project containing the target. * Must not be <code>null</code>. * @param target The target object to be configured. * Must not be <code>null</code>. * @param buf A character array of the text within the element. * Will not be <code>null</code>. * @param start The start element in the array. * @param count The number of characters to read from the array. * * @exception BuildException if the target object doesn't accept text */ public static void addText(Project project, Object target, char[] buf, int start, int count) throws BuildException { addText(project, target, new String(buf, start, count)); } /** * Adds the content of #PCDATA sections to an element. * * @param project The project containing the target. * Must not be <code>null</code>. * @param target The target object to be configured. * Must not be <code>null</code>. * @param text Text to add to the target. * May be <code>null</code>, in which case this * method call is a no-op. * * @exception BuildException if the target object doesn't accept text */ public static void addText(Project project, Object target, String text) throws BuildException { if (text == null) { return; } if (target instanceof TypeAdapter) { target = ((TypeAdapter) target).getProxy(); } IntrospectionHelper.getHelper(project, target.getClass()).addText(project, target, text); } /** * Stores a configured child element within its parent object. * * @param project Project containing the objects. * May be <code>null</code>. * @param parent Parent object to add child to. * Must not be <code>null</code>. * @param child Child object to store in parent. * Should not be <code>null</code>. * @param tag Name of element which generated the child. * May be <code>null</code>, in which case * the child is not stored. */ public static void storeChild(Project project, Object parent, Object child, String tag) { IntrospectionHelper ih = IntrospectionHelper.getHelper(project, parent.getClass()); ih.storeElement(project, parent, child, tag); } /** * Replaces <code>${xxx}</code> style constructions in the given value with * the string value of the corresponding properties. * * @param project The project containing the properties to replace. * Must not be <code>null</code>. * * @param value The string to be scanned for property references. * May be <code>null</code>. * * @exception BuildException if the string contains an opening * <code>${</code> without a closing * <code>}</code> * @return the original string with the properties replaced, or * <code>null</code> if the original string is <code>null</code>. * * @deprecated since 1.6.x. * Use project.replaceProperties(). * @since 1.5 */ @Deprecated public static String replaceProperties(Project project, String value) throws BuildException { // needed since project properties are not accessible return project.replaceProperties(value); } /** * Replaces <code>${xxx}</code> style constructions in the given value * with the string value of the corresponding data types. * * @param project The container project. This is used solely for * logging purposes. Must not be <code>null</code>. * @param value The string to be scanned for property references. * May be <code>null</code>, in which case this * method returns immediately with no effect. * @param keys Mapping (String to Object) of property names to their * values. Must not be <code>null</code>. * * @exception BuildException if the string contains an opening * <code>${</code> without a closing * <code>}</code> * @return the original string with the properties replaced, or * <code>null</code> if the original string is <code>null</code>. * @deprecated since 1.6.x. * Use PropertyHelper. */ @Deprecated public static String replaceProperties(Project project, String value, Hashtable<String, Object> keys) throws BuildException { PropertyHelper ph = PropertyHelper.getPropertyHelper(project); return ph.replaceProperties(null, value, keys); } /** * Parses a string containing <code>${xxx}</code> style property * references into two lists. The first list is a collection * of text fragments, while the other is a set of string property names. * <code>null</code> entries in the first list indicate a property * reference from the second list. * * <p>As of Ant 1.8.0 this method is never invoked by any code * inside of Ant itself.</p> * * @param value Text to parse. Must not be <code>null</code>. * @param fragments List to add text fragments to. * Must not be <code>null</code>. * @param propertyRefs List to add property names to. * Must not be <code>null</code>. * * @deprecated since 1.6.x. * Use PropertyHelper. * @exception BuildException if the string contains an opening * <code>${</code> without a closing <code>}</code> */ @Deprecated public static void parsePropertyString(String value, Vector<String> fragments, Vector<String> propertyRefs) throws BuildException { PropertyHelper.parsePropertyStringDefault(value, fragments, propertyRefs); } /** * Map a namespaced {uri,name} to an internal string format. * For BC purposes the names from the ant core uri will be * mapped to "name", other names will be mapped to * uri + ":" + name. * @param uri The namespace URI * @param name The localname * @return The stringified form of the ns name */ public static String genComponentName(String uri, String name) { if (uri == null || uri.isEmpty() || uri.equals(ANT_CORE_URI)) { return name; } return uri + ":" + name; } /** * extract a uri from a component name * * @param componentName The stringified form for {uri, name} * @return The uri or "" if not present */ public static String extractUriFromComponentName(String componentName) { if (componentName == null) { return ""; } int index = componentName.lastIndexOf(':'); if (index == -1) { return ""; } return componentName.substring(0, index); } /** * extract the element name from a component name * * @param componentName The stringified form for {uri, name} * @return The element name of the component */ public static String extractNameFromComponentName(String componentName) { int index = componentName.lastIndexOf(':'); if (index == -1) { return componentName; } return componentName.substring(index + 1); } /** * Convert an attribute namespace to a "component name". * @param ns the xml namespace uri. * @return the converted value. * @since Ant 1.9.1 */ public static String nsToComponentName(String ns) { return "attribute namespace:" + ns; } /** * Add location to build exception. * @param ex the build exception, if the build exception * does not include * @param newLocation the location of the calling task (may be null) * @return a new build exception based in the build exception with * location set to newLocation. If the original exception * did not have a location, just return the build exception */ public static BuildException addLocationToBuildException( BuildException ex, Location newLocation) { if (ex.getLocation() == null || ex.getMessage() == null) { return ex; } String errorMessage = String.format("The following error occurred while executing this line:%n%s%s", ex.getLocation().toString(), ex.getMessage()); if (ex instanceof ExitStatusException) { int exitStatus = ((ExitStatusException) ex).getStatus(); if (newLocation == null) { return new ExitStatusException(errorMessage, exitStatus); } return new ExitStatusException(errorMessage, exitStatus, newLocation); } if (newLocation == null) { return new BuildException(errorMessage, ex); } return new BuildException(errorMessage, ex, newLocation); } /** * Whether this instance of ProjectHelper can parse an Antlib * descriptor given by the URL and return its content as an * UnknownElement ready to be turned into an Antlib task. * * <p>This method should not try to parse the content of the * descriptor, the URL is only given as an argument to allow * subclasses to decide whether they can support a given URL * scheme or not.</p> * * <p>Subclasses that return true in this method must also * override {@link #parseAntlibDescriptor * parseAntlibDescriptor}.</p> * * <p>This implementation returns false.</p> * * @param r Resource * @return boolean * @since Ant 1.8.0 */ public boolean canParseAntlibDescriptor(Resource r) { return false; } /** * Parse the given URL as an antlib descriptor and return the * content as something that can be turned into an Antlib task. * * @param containingProject Project * @param source Resource * @return UnknownElement * @since ant 1.8.0 */ public UnknownElement parseAntlibDescriptor(Project containingProject, Resource source) { throw new BuildException("can't parse antlib descriptors"); } /** * Check if the helper supports the kind of file. Some basic check on the * extension's file should be done here. * * @param buildFile * the file expected to be parsed (never <code>null</code>) * @return true if the helper supports it * @since Ant 1.8.0 */ public boolean canParseBuildFile(Resource buildFile) { return true; } /** * The file name of the build script to be parsed if none specified on the command line * * @return the name of the default file (never <code>null</code>) * @since Ant 1.8.0 */ public String getDefaultBuildFile() { return Main.DEFAULT_BUILD_FILENAME; } /** * Check extensionStack and inject all targets having extensionOf attributes * into extensionPoint. * <p> * This method allow you to defer injection and have a powerful control of * extensionPoint wiring. * </p> * <p> * This should be invoked by each concrete implementation of ProjectHelper * when the root "buildfile" and all imported/included buildfile are loaded. * </p> * * @param project The project containing the target. Must not be * <code>null</code>. * @exception BuildException if OnMissingExtensionPoint.FAIL and * extensionPoint does not exist * @see OnMissingExtensionPoint * @since 1.9 */ public void resolveExtensionOfAttributes(Project project) throws BuildException { for (String[] extensionInfo : getExtensionStack()) { String extPointName = extensionInfo[0]; String targetName = extensionInfo[1]; OnMissingExtensionPoint missingBehaviour = OnMissingExtensionPoint.valueOf(extensionInfo[2]); // if the file has been included or imported, it may have a prefix // we should consider when trying to resolve the target it is // extending String prefixAndSep = extensionInfo.length > 3 ? extensionInfo[3] : null; // find the target we're extending Hashtable<String, Target> projectTargets = project.getTargets(); Target extPoint = null; if (prefixAndSep == null) { // no prefix - not from an imported/included build file extPoint = projectTargets.get(extPointName); } else { // we have a prefix, which means we came from an include/import // FIXME: here we handle no particular level of include. We try // the fully prefixed name, and then the non-prefixed name. But // there might be intermediate project in the import stack, // which prefix should be tested before testing the non-prefix // root name. extPoint = projectTargets.get(prefixAndSep + extPointName); if (extPoint == null) { extPoint = projectTargets.get(extPointName); } } // make sure we found a point to extend on if (extPoint == null) { String message = "can't add target " + targetName + " to extension-point " + extPointName + " because the extension-point is unknown."; if (missingBehaviour == OnMissingExtensionPoint.FAIL) { throw new BuildException(message); } else if (missingBehaviour == OnMissingExtensionPoint.WARN) { Target t = projectTargets.get(targetName); project.log(t, "Warning: " + message, Project.MSG_WARN); } } else { if (!(extPoint instanceof ExtensionPoint)) { throw new BuildException("referenced target " + extPointName + " is not an extension-point"); } extPoint.addDependency(targetName); } } } }
⏎ org/apache/tools/ant/ProjectHelper.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, 110182👍, 0💬
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