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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/MacroInstance.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.util.ArrayList; import java.util.Collections; import java.util.HashMap; import java.util.HashSet; import java.util.Hashtable; import java.util.List; import java.util.Locale; import java.util.Map; import java.util.Set; import org.apache.tools.ant.BuildException; import org.apache.tools.ant.DynamicAttribute; import org.apache.tools.ant.ProjectHelper; import org.apache.tools.ant.RuntimeConfigurable; import org.apache.tools.ant.Target; import org.apache.tools.ant.Task; import org.apache.tools.ant.TaskContainer; import org.apache.tools.ant.UnknownElement; import org.apache.tools.ant.property.LocalProperties; import org.apache.tools.ant.taskdefs.MacroDef.Attribute; /** * The class to be placed in the ant type definition. * It is given a pointer to the template definition, * and makes a copy of the unknown element, substituting * the parameter values in attributes and text. * @since Ant 1.6 */ public class MacroInstance extends Task implements DynamicAttribute, TaskContainer { private MacroDef macroDef; private Map<String, String> map = new HashMap<>(); private Map<String, MacroDef.TemplateElement> nsElements = null; private Map<String, UnknownElement> presentElements; private Map<String, String> localAttributes; private String text = null; private String implicitTag = null; private List<Task> unknownElements = new ArrayList<>(); /** * Called from MacroDef.MyAntTypeDefinition#create() * * @param macroDef a <code>MacroDef</code> value */ public void setMacroDef(MacroDef macroDef) { this.macroDef = macroDef; } /** * @return the macro definition object for this macro instance. */ public MacroDef getMacroDef() { return macroDef; } /** * A parameter name value pair as a xml attribute. * * @param name the name of the attribute * @param value the value of the attribute */ @Override public void setDynamicAttribute(String name, String value) { map.put(name.toLowerCase(Locale.ENGLISH), value); } /** * Method present for BC purposes. * @param name not used * @return nothing * @deprecated since 1.6.x. * @throws BuildException always */ @Deprecated public Object createDynamicElement(String name) throws BuildException { throw new BuildException("Not implemented any more"); } private Map<String, MacroDef.TemplateElement> getNsElements() { if (nsElements == null) { nsElements = new HashMap<>(); for (Map.Entry<String, MacroDef.TemplateElement> entry : macroDef .getElements().entrySet()) { nsElements.put(entry.getKey(), entry.getValue()); MacroDef.TemplateElement te = entry.getValue(); if (te.isImplicit()) { implicitTag = te.getName(); } } } return nsElements; } /** * Add a unknownElement for the macro instances nested elements. * * @param nestedTask a nested element. */ @Override public void addTask(Task nestedTask) { unknownElements.add(nestedTask); } private void processTasks() { if (implicitTag != null) { return; } for (Task task : unknownElements) { UnknownElement ue = (UnknownElement) task; String name = ProjectHelper.extractNameFromComponentName( ue.getTag()).toLowerCase(Locale.ENGLISH); if (getNsElements().get(name) == null) { throw new BuildException("unsupported element %s", name); } if (presentElements.get(name) != null) { throw new BuildException("Element %s already present", name); } presentElements.put(name, ue); } } /** * Embedded element in macro instance */ public static class Element implements TaskContainer { private List<Task> unknownElements = new ArrayList<>(); /** * Add an unknown element (to be snipped into the macroDef instance) * * @param nestedTask an unknown element */ @Override public void addTask(Task nestedTask) { unknownElements.add(nestedTask); } /** * @return the list of unknown elements */ public List<Task> getUnknownElements() { return unknownElements; } } private static final int STATE_NORMAL = 0; private static final int STATE_EXPECT_BRACKET = 1; private static final int STATE_EXPECT_NAME = 2; private String macroSubs(String s, Map<String, String> macroMapping) { if (s == null) { return null; } StringBuilder ret = new StringBuilder(); StringBuilder macroName = null; int state = STATE_NORMAL; for (final char ch : s.toCharArray()) { switch (state) { case STATE_NORMAL: if (ch == '@') { state = STATE_EXPECT_BRACKET; } else { ret.append(ch); } break; case STATE_EXPECT_BRACKET: if (ch == '{') { state = STATE_EXPECT_NAME; macroName = new StringBuilder(); } else if (ch == '@') { state = STATE_NORMAL; ret.append('@'); } else { state = STATE_NORMAL; ret.append('@'); ret.append(ch); } break; case STATE_EXPECT_NAME: // macroName cannot be null as this state is only // ever reached from STATE_EXPECT_BRACKET after it // has been set if (ch == '}') { state = STATE_NORMAL; String name = macroName.toString().toLowerCase(Locale.ENGLISH); //NOSONAR String value = macroMapping.get(name); if (value == null) { ret.append("@{"); ret.append(name); ret.append("}"); } else { ret.append(value); } macroName = null; } else { macroName.append(ch); //NOSONAR } break; default: break; } } switch (state) { case STATE_NORMAL: break; case STATE_EXPECT_BRACKET: ret.append('@'); break; case STATE_EXPECT_NAME: // macroName cannot be null as this state is only // ever reached from STATE_EXPECT_BRACKET after it // has been set ret.append("@{"); ret.append(macroName.toString()); //NOSONAR break; default: break; } return ret.toString(); } /** * Set the text contents for the macro. * @param text the text to be added to the macro. */ public void addText(String text) { this.text = text; } private UnknownElement copy(UnknownElement ue, boolean nested) { UnknownElement ret = new UnknownElement(ue.getTag()); ret.setNamespace(ue.getNamespace()); ret.setProject(getProject()); ret.setQName(ue.getQName()); ret.setTaskType(ue.getTaskType()); ret.setTaskName(ue.getTaskName()); ret.setLocation( macroDef.getBackTrace() ? ue.getLocation() : getLocation()); if (getOwningTarget() == null) { Target t = new Target(); t.setProject(getProject()); ret.setOwningTarget(t); } else { ret.setOwningTarget(getOwningTarget()); } RuntimeConfigurable rc = new RuntimeConfigurable( ret, ue.getTaskName()); rc.setPolyType(ue.getWrapper().getPolyType()); Map<String, Object> m = ue.getWrapper().getAttributeMap(); for (Map.Entry<String, Object> entry : m.entrySet()) { rc.setAttribute( entry.getKey(), macroSubs((String) entry.getValue(), localAttributes)); } rc.addText(macroSubs(ue.getWrapper().getText().toString(), localAttributes)); for (RuntimeConfigurable r : Collections.list(ue.getWrapper().getChildren())) { UnknownElement unknownElement = (UnknownElement) r.getProxy(); String tag = unknownElement.getTaskType(); if (tag != null) { tag = tag.toLowerCase(Locale.ENGLISH); } MacroDef.TemplateElement templateElement = getNsElements().get(tag); if (templateElement == null || nested) { UnknownElement child = copy(unknownElement, nested); rc.addChild(child.getWrapper()); ret.addChild(child); } else if (templateElement.isImplicit()) { if (unknownElements.isEmpty() && !templateElement.isOptional()) { throw new BuildException( "Missing nested elements for implicit element %s", templateElement.getName()); } for (Task task : unknownElements) { UnknownElement child = copy((UnknownElement) task, true); rc.addChild(child.getWrapper()); ret.addChild(child); } } else { UnknownElement presentElement = presentElements.get(tag); if (presentElement == null) { if (!templateElement.isOptional()) { throw new BuildException( "Required nested element %s missing", templateElement.getName()); } continue; } String presentText = presentElement.getWrapper().getText().toString(); if (!presentText.isEmpty()) { rc.addText(macroSubs(presentText, localAttributes)); } List<UnknownElement> list = presentElement.getChildren(); if (list != null) { for (UnknownElement unknownElement2 : list) { UnknownElement child = copy(unknownElement2, true); rc.addChild(child.getWrapper()); ret.addChild(child); } } } } return ret; } /** * Execute the templates instance. * Copies the unknown element, substitutes the attributes, * and calls perform on the unknown element. * */ @Override public void execute() { presentElements = new HashMap<>(); getNsElements(); processTasks(); localAttributes = new Hashtable<>(); Set<String> copyKeys = new HashSet<>(map.keySet()); for (Attribute attribute : macroDef.getAttributes()) { String value = map.get(attribute.getName()); if (value == null && "description".equals(attribute.getName())) { value = getDescription(); } if (value == null) { value = attribute.getDefault(); value = macroSubs(value, localAttributes); } if (value == null) { throw new BuildException("required attribute %s not set", attribute.getName()); } localAttributes.put(attribute.getName(), value); copyKeys.remove(attribute.getName()); } copyKeys.remove("id"); if (macroDef.getText() != null) { if (text == null) { String defaultText = macroDef.getText().getDefault(); if (!macroDef.getText().getOptional() && defaultText == null) { throw new BuildException("required text missing"); } text = defaultText == null ? "" : defaultText; } if (macroDef.getText().getTrim()) { text = text.trim(); } localAttributes.put(macroDef.getText().getName(), text); } else if (text != null && !text.trim().isEmpty()) { throw new BuildException( "The \"%s\" macro does not support nested text data.", getTaskName()); } if (!copyKeys.isEmpty()) { throw new BuildException("Unknown attribute" + (copyKeys.size() > 1 ? "s " : " ") + copyKeys); } // need to set the project on unknown element UnknownElement c = copy(macroDef.getNestedTask(), false); c.init(); LocalProperties localProperties = LocalProperties.get(getProject()); localProperties.enterScope(); try { c.perform(); } catch (BuildException ex) { if (macroDef.getBackTrace()) { throw ProjectHelper.addLocationToBuildException( ex, getLocation()); } else { ex.setLocation(getLocation()); throw ex; } } finally { presentElements = null; localAttributes = null; localProperties.exitScope(); } } }
⏎ org/apache/tools/ant/taskdefs/MacroInstance.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, 118471👍, 0💬
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