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/*
* 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.*;
import org.apache.tools.ant.IntrospectionHelper;
import xdoclet.XDocletException;
import xdoclet.XDocletTagSupport;
import xdoclet.util.TypeConversionUtil;
import xdoclet.tags.AbstractProgramElementTagsHandler;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collections;
import java.util.Comparator;
import java.util.Enumeration;
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());
}
private static String[] fluffPrefixes = { "set a","set the","sets a","sets the" };
public String shortMethodDescription() throws XDocletException {
Tag[] tags = getCurrentMethod().firstSentenceTags();
String desc = null;
if( tags != null && tags.length > 0 ) {
desc = tags[0].text();
}
if( desc == null || desc.length() == 0 )
{
desc = "no description";
}
desc = desc.trim();
String descLower = desc.toLowerCase();
for (int i=0; i < fluffPrefixes.length; i++) {
String prefix = fluffPrefixes[i].toLowerCase() + " ";
if (descLower.startsWith(prefix)) {
desc = desc.substring(prefix.length());
break;
}
}
desc = desc.substring(0,1).toUpperCase() + desc.substring(1);
return desc;
}
/**
* 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&nbsp;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;
}
/**
* @todo refactor to cache methods per class, and save some time
*/
private MethodDoc[] getAttributeMethods(ClassDoc cur_class) throws XDocletException {
// Use Ant's own introspection mechanism to gather the
// attributes this class supports
IntrospectionHelper is = null;
try {
is = IntrospectionHelper.getHelper(Class.forName(cur_class.qualifiedName()));
} catch (ClassNotFoundException e) {
throw new XDocletException(e,e.getMessage());
}
// Regroup the attributes, since IntrospectionHelper
// doesn't give us the whole data structure directly
Enumeration enum = is.getAttributes();
Properties attributeTypeMap = new Properties();
while (enum.hasMoreElements()) {
String name = (String) enum.nextElement();
Class type = is.getAttributeType(name);
attributeTypeMap.setProperty(name, type.getName());
// System.out.println(name + " = " + type.getName());
}
// We need to return MethodDoc[] from this method
// so get all methods from the current class
MethodDoc[] allMethods = getMethods(cur_class);
// And now filter the MethodDoc's based
// on what IntrospectionHelper says
List attributeMethods = new ArrayList();
for (int i = 0; i < allMethods.length; i++) {
MethodDoc method = allMethods[i];
String methodName = method.name();
if (!methodName.startsWith("set")) {
continue;
}
String attributeName = methodName.substring(3).toLowerCase();
if ((method.parameters().length != 1) || (!method.isPublic())) {
continue;
}
String attributeType = method.parameters()[0].typeName();
String mapAttribute = attributeTypeMap.getProperty(attributeName);
if (mapAttribute == null) {
continue;
}
// inner classes are noted with $ in our map, but not
// n the parameter type name.
if (!attributeType.equals(mapAttribute.replace('$','.'))) {
continue;
}
// System.out.println(methodName + " : " + attributeName + " : " + attributeType);
attributeMethods.add(method);
}
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)
*
* @todo add DynamicConfigurator (this should be noted in the template, not dealt with here)
*/
private MethodDoc[] getElementMethods(ClassDoc cur_class) throws XDocletException {
// Use Ant's own introspection mechanism to gather the
// elements this class supports
IntrospectionHelper is = null;
try {
is = IntrospectionHelper.getHelper(Class.forName(cur_class.qualifiedName()));
} catch (ClassNotFoundException e) {
throw new XDocletException(e.getMessage());
}
// Regroup the elements, since IntrospectionHelper
// doesn't give us the whole data structure directly
Enumeration enum = is.getNestedElements();
Properties elementTypeMap = new Properties();
while (enum.hasMoreElements()) {
String name = (String) enum.nextElement();
Class type = is.getElementType(name);
elementTypeMap.setProperty(name, type.getName());
// System.out.println(name + " = " + type.getName());
}
// We need to return MethodDoc[] from this method
// so get all methods from the current class
MethodDoc[] allMethods = getMethods(cur_class);
// And now filter the MethodDoc's based
// on what IntrospectionHelper says
List elementMethods = new ArrayList();
for (int i = 0; i < allMethods.length; i++) {
MethodDoc method = allMethods[i];
String methodName = method.name();
// Object create(), void add(Object), void addConfigured(Object)
String elementName = null;
boolean adder = false; // true if addXXX or addConfiguredXXX
if (methodName.startsWith("create")) {
elementName = methodName.substring(6).toLowerCase();
}
if (methodName.startsWith("add")) {
int length = 3;
if (methodName.startsWith("addConfigured")) {
length = 13;
}
elementName = methodName.substring(length).toLowerCase();
adder = true;
}
if (elementName == null) {
continue;
}
System.out.println("elementName = " + elementName);
String elementType = null;
if (adder) {
if (method.parameters().length != 1) {
continue;
}
elementType = method.parameters()[0].typeName();
} else {
elementType = method.returnType().qualifiedTypeName();
}
if (!method.isPublic()) {
continue;
}
String mapElementType = elementTypeMap.getProperty(elementName);
System.out.println("elementType = " + elementType + " mapElementType = " + mapElementType);
if (mapElementType == null) {
continue;
}
// inner classes are noted with $ in our map, but not
// the parameter type name.
if (!elementType.equals(mapElementType.replace('$','.'))) {
continue;
}
elementMethods.add(method);
}
return (MethodDoc[]) elementMethods.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) {
// hardcoded to stop when it hits Task, nothing there
// or above that needs to be processed
if (cur_class.qualifiedName().equals("org.apache.tools.ant.Task") ||
cur_class.qualifiedName().equals("org.apache.tools.ant.taskdefs.MatchingTask")) {
break;
}
List curMethods = Arrays.asList(cur_class.methods());
for (int j = 0; j < curMethods.size(); j++) {
MethodDoc method = (MethodDoc) curMethods.get(j);
if (isDeprecated(method)) {
continue;
}
if (shouldIgnore(method)) {
continue;
}
String methodName = method.name();
if (method.containingClass() == cur_class) {
if (already.containsKey(methodName) == false) {
already.put(methodName, method);
methods.add(method);
}
}
}
cur_class = cur_class.superclass();
}
return sortMethods(methods);
}
private boolean isDeprecated (MethodDoc method) {
Tag[] tags = method.tags();
for (int i=0; i < tags.length; i++) {
if (tags[i].name().equals("@deprecated")) {
return true;
}
}
return false;
}
/**
* For now, lump attributes and elements together since we won't
* have those tags on the same method.
*/
private boolean shouldIgnore (MethodDoc method) throws XDocletException {
String value = getTagValue(method, "ant:attribute", "ignore", -1,
null, null, null, null,
null, false, XDocletTagSupport.FOR_METHOD, false);
if ("true".equals(value)) {
return true;
}
value = getTagValue(method, "ant:element", "ignore", -1,
null, null, null, null,
null, false, XDocletTagSupport.FOR_METHOD, false);
if ("true".equals(value)) {
return true;
}
return false;
}
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]);
}
}