| /* |
| * The Apache Software License, Version 1.1 |
| * |
| * Copyright (c) 2002 The Apache Software Foundation. All rights |
| * reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * |
| * 2. Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in |
| * the documentation and/or other materials provided with the |
| * distribution. |
| * |
| * 3. The end-user documentation included with the redistribution, if |
| * any, must include the following acknowlegement: |
| * "This product includes software developed by the |
| * Apache Software Foundation (http://www.apache.org/)." |
| * Alternately, this acknowlegement may appear in the software itself, |
| * if and wherever such third-party acknowlegements normally appear. |
| * |
| * 4. The names "The Jakarta Project", "Ant", and "Apache Software |
| * Foundation" must not be used to endorse or promote products derived |
| * from this software without prior written permission. For written |
| * permission, please contact apache@apache.org. |
| * |
| * 5. Products derived from this software may not be called "Apache" |
| * nor may "Apache" appear in their names without prior written |
| * permission of the Apache Group. |
| * |
| * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED |
| * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
| * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
| * DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR |
| * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF |
| * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND |
| * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, |
| * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT |
| * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
| * SUCH DAMAGE. |
| * ==================================================================== |
| * |
| * This software consists of voluntary contributions made by many |
| * individuals on behalf of the Apache Software Foundation. For more |
| * information on the Apache Software Foundation, please see |
| * <http://www.apache.org/>. |
| */ |
| package org.apache.tools.ant.xdoclet; |
| |
| import com.sun.javadoc.ClassDoc; |
| import com.sun.javadoc.MethodDoc; |
| import com.sun.javadoc.Parameter; |
| import com.sun.javadoc.Type; |
| |
| import xdoclet.XDocletException; |
| import xdoclet.XDocletTagSupport; |
| import xdoclet.tags.AbstractProgramElementTagsHandler; |
| |
| import java.util.ArrayList; |
| import java.util.Arrays; |
| import java.util.Collections; |
| import java.util.Comparator; |
| import java.util.HashMap; |
| import java.util.List; |
| import java.util.Map; |
| import java.util.Properties; |
| |
| /** |
| * Custom tag handler for XDoclet templates for Ant-specific processing. |
| * |
| * @author Erik Hatcher |
| * @created February 17, 2002 |
| * |
| * @todo clean up logic so that all setters are gathered first (even |
| * superclass) and sorted along wih them |
| * @todo need to create better logic for finding proper setters |
| * @todo add ifIsAntTask, among other convenience tags |
| */ |
| public class TaskTagsHandler extends XDocletTagSupport { |
| |
| /** Default category for tasks without a category attribute. */ |
| public static final String DEFAULT_CATEGORY = "other"; |
| |
| /** |
| * Iterates over all Ant tasks |
| */ |
| public void forAllTasks(String template, Properties attributes) throws XDocletException { |
| ClassDoc[] classes = AbstractProgramElementTagsHandler.getAllClasses(); |
| ClassDoc cur_class = null; |
| |
| for (int i = 0; i < classes.length; i++) { |
| cur_class = classes[i]; |
| setCurrentClass(cur_class); |
| |
| if (TaskSubTask.isAntTask(cur_class)) { |
| generate(template); |
| } |
| } |
| } |
| |
| /** |
| * Iterates over all Ant attributes. |
| * |
| *@param template XDoclet template |
| *@param attributes Tag parameters |
| *@exception XDocletException Oops! |
| */ |
| public void forAllAttributes(String template, Properties attributes) throws XDocletException { |
| // throw exception if not an Ant task |
| |
| ClassDoc cur_class = getCurrentClass(); |
| |
| MethodDoc[] methods = getAttributeMethods(cur_class); |
| |
| for (int i = 0; i < methods.length; i++) { |
| setCurrentMethod(methods[i]); |
| generate(template); |
| } |
| } |
| |
| /** |
| * Determines if there's at least one Ant attribute. |
| * |
| *@param template XDoclet template |
| *@param attributes Tag parameters |
| *@exception XDocletException Oops! |
| */ |
| public void ifHasAttributes(String template, Properties attributes) throws XDocletException { |
| // throw exception if not an Ant task |
| |
| ClassDoc cur_class = getCurrentClass(); |
| |
| MethodDoc[] methods = getAttributeMethods(cur_class); |
| |
| if (methods.length > 0) { |
| generate(template); |
| } |
| } |
| |
| /** |
| * Iterates over all Ant nested element methods (addXXX, addConfiguredXXX, addXXX) |
| * |
| *@param template XDoclet template |
| *@param attributes Tag parameters |
| *@exception XDocletException Oops! |
| */ |
| public void forAllElements(String template, Properties attributes) throws XDocletException { |
| // throw exception if not an Ant task |
| |
| ClassDoc cur_class = getCurrentClass(); |
| |
| MethodDoc[] methods = getElementMethods(cur_class); |
| |
| for (int i = 0; i < methods.length; i++) { |
| setCurrentMethod(methods[i]); |
| generate(template); |
| } |
| } |
| |
| |
| /** |
| * Provides the element name for the current method |
| */ |
| public String elementName() throws XDocletException { |
| String methodName = getCurrentMethod().name(); |
| String elementName = "<not a valid element>"; |
| if (methodName.startsWith("addConfigured")) { |
| elementName = methodName.substring(13, methodName.length()); |
| } |
| else if (methodName.startsWith("add")) { |
| elementName = methodName.substring(3, methodName.length()); |
| } |
| else if (methodName.startsWith("create")) { |
| elementName = methodName.substring(6, methodName.length()); |
| } |
| return elementName.toLowerCase(); |
| } |
| |
| /** |
| * Provides the element type for the current method |
| */ |
| public String elementType() throws XDocletException { |
| ClassDoc classDoc = elementClassDoc(); |
| if (classDoc == null) { |
| throw new XDocletException("Method is not an Ant element!"); |
| } |
| return classDoc.qualifiedName(); |
| } |
| |
| /** |
| * Provides the element type for the current method. If the return type |
| * is null, the first parameter is used. |
| */ |
| private ClassDoc elementClassDoc() throws XDocletException { |
| ClassDoc classDoc = null; |
| String methodName = getCurrentMethod().name(); |
| if (methodName.startsWith("addConfigured") || |
| methodName.startsWith("add") || |
| methodName.startsWith("create")) |
| { |
| classDoc = getCurrentMethod().returnType().asClassDoc(); |
| if (classDoc == null) { |
| Parameter[] params = getCurrentMethod().parameters(); |
| if (params.length == 1) { |
| classDoc = params[0].type().asClassDoc(); |
| } |
| } |
| } |
| return classDoc; |
| } |
| |
| /** |
| * Provides the Ant task name. |
| * |
| * @see #getTaskName(ClassDoc) |
| * @doc:tag type="content" |
| */ |
| public String taskName() throws XDocletException { |
| return getTaskName(getCurrentClass()); |
| } |
| |
| /** |
| * Provides the Ant task name. |
| * |
| * Order of rules: |
| * <ol> |
| * <li>Value of @ant:task name="..."</li> |
| * <li>Lowercased classname with "Task" suffix removed</li> |
| * </ol> |
| */ |
| public static final String getTaskName(ClassDoc clazz) throws XDocletException { |
| // sheesh! There should be a friendlier method than this! |
| String tagValue = getTagValue(clazz, "ant:task", "name", -1, |
| null, null, null, null, |
| null, false, XDocletTagSupport.FOR_CLASS, false); |
| |
| if (tagValue == null) { |
| // use classname, but strip "Task" suffix if there |
| tagValue = clazz.name(); |
| |
| if (tagValue.endsWith("Task")) { |
| tagValue = tagValue.substring(0, tagValue.indexOf("Task")); |
| } |
| |
| tagValue = tagValue.toLowerCase(); |
| } |
| return tagValue; |
| } |
| |
| /** |
| * Provides the Ant category name. |
| * |
| * @see #getCategoryName(ClassDoc) |
| */ |
| public String categoryName() throws XDocletException { |
| return getCategoryName(getCurrentClass()); |
| } |
| |
| /** |
| * Provides the Ant category name as the Value of the category attribute, |
| * <code>@ant:task category="..."</code>. |
| */ |
| public static final String getCategoryName(ClassDoc clazz) throws XDocletException { |
| String tagValue = getTagValue(clazz, "ant:task", "category", -1, |
| null, null, null, null, |
| null, false, XDocletTagSupport.FOR_CLASS, false); |
| if (tagValue != null) { |
| tagValue = tagValue.toLowerCase(); |
| } |
| else { |
| tagValue = DEFAULT_CATEGORY; |
| } |
| return tagValue; |
| } |
| |
| |
| /** |
| * Returns true if the method corresponds to an Ant task attribute using |
| * the rules from IntrospectionHelper |
| * |
| * @todo filter out deprecated methods |
| * only filter org.apache.tools.ant.Task setters that are hidden |
| * check that it returns void and only has single argument |
| * incorporate rules for argument types from IntrospectionHelper |
| * - i.e. not an array |
| * - primitives/wrappers |
| * - File |
| * - Path |
| * - EnumeratedAttribute |
| * - Class with string constructor |
| */ |
| private boolean isAntAttribute(MethodDoc method) { |
| String[] excludeList = new String[]{"setLocation", "setDescription", "setOwningTarget", "setRuntimeConfigurableWrapper", |
| "setTaskName", "setTaskType", "setProject"}; |
| for (int i = 0; i < excludeList.length; i++) { |
| if (excludeList[i].equals(method.name())) { |
| return true; |
| } |
| } |
| |
| return false; |
| } |
| |
| /** |
| * @todo need to add checks for number of parameters and non-supported parameters |
| */ |
| private MethodDoc[] getAttributeMethods(ClassDoc cur_class) throws XDocletException { |
| MethodDoc[] methods = getMethods(cur_class); |
| List attributeMethods = new ArrayList(); |
| |
| for (int i = 0; i < methods.length; i++) { |
| if (!methods[i].name().startsWith("set")) { |
| continue; |
| } |
| |
| // if superclass is org.apache.tools.ant.Task then |
| // remove some known unallowed properties |
| if (isAntAttribute(methods[i])) { |
| continue; |
| } |
| |
| // ensure method only has one parameter |
| Parameter[] params = methods[i].parameters(); |
| if (params.length != 1) { |
| continue; |
| } |
| |
| attributeMethods.add(methods[i]); |
| } |
| |
| return (MethodDoc[]) attributeMethods.toArray(new MethodDoc[0]); |
| } |
| |
| /** |
| * @todo add checks for number parameters and appropriate return value |
| * check for proper exception too? |
| * method prefixes: add, create, addConfigured (but not addText) |
| */ |
| private MethodDoc[] getElementMethods(ClassDoc cur_class) throws XDocletException { |
| MethodDoc[] methods = getMethods(cur_class); |
| List attributeMethods = new ArrayList(); |
| |
| for (int i = 0; i < methods.length; i++) { |
| String name = methods[i].name(); |
| |
| // ensure if there are no parameters, there is a return type, |
| // otherwise ensure there's only one parameter. |
| Parameter[] params = methods[i].parameters(); |
| if (params.length == 0) { |
| if (methods[i].returnType().asClassDoc() == null) { |
| continue; |
| } |
| } |
| else if (params.length != 1) { |
| continue; |
| } |
| |
| if ((name.startsWith("add") && !name.equals("addTask")) || |
| name.startsWith("create")) { |
| attributeMethods.add(methods[i]); |
| } |
| |
| } |
| |
| return (MethodDoc[]) attributeMethods.toArray(new MethodDoc[0]); |
| } |
| |
| |
| /** |
| * This is a slightly refactored (thank you IntelliJ) version of |
| * some cut-and-paste from XDoclet code. It sorts all methods together |
| * rather than in batches of superclasses like XDoclet stuff does. |
| */ |
| private MethodDoc[] getMethods(ClassDoc cur_class) throws XDocletException { |
| Map already = new HashMap(); |
| |
| List methods = new ArrayList(); |
| |
| while (cur_class != null) { |
| List curMethods = Arrays.asList(cur_class.methods()); |
| |
| for (int j = 0; j < curMethods.size(); j++) { |
| MethodDoc method = (MethodDoc) curMethods.get(j); |
| if (method.containingClass() == cur_class) { |
| if (already.containsKey(method) == false) { |
| already.put(method, method); |
| methods.add(method); |
| } |
| } |
| } |
| |
| cur_class = cur_class.superclass(); |
| } |
| |
| return sortMethods(methods); |
| } |
| |
| private MethodDoc[] sortMethods(List methods) { |
| //sort methods |
| Collections.sort(methods, |
| new Comparator() { |
| public int compare(Object o1, Object o2) { |
| MethodDoc m1 = (MethodDoc) o1; |
| MethodDoc m2 = (MethodDoc) o2; |
| |
| return m1.name().compareTo(m2.name()); |
| } |
| |
| |
| public boolean equals(Object obj) { |
| //dumb |
| return obj == this; |
| } |
| }); |
| |
| return (MethodDoc[]) methods.toArray(new MethodDoc[0]); |
| } |
| |
| |
| } |
| |