/*
* Copyright 2009 the original author or authors.
*
* Licensed 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
*
* http://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.gradle.api.tasks.javadoc;
import org.gradle.api.InvalidUserDataException;
import org.gradle.api.file.FileCollection;
import org.gradle.api.internal.ClassPathRegistry;
import org.gradle.api.internal.project.IsolatedAntBuilder;
import org.gradle.api.logging.LogLevel;
import org.gradle.api.tasks.*;
import java.io.File;
import java.util.*;
/**
* Generates HTML API documentation for Groovy and Java classes. It uses Groovy's Groovydoc tool for this. Please note that the
* Groovydoc tool has some severe limitations at the moment (for example no doc for properties comments). The version of
* the Groovydoc that is used, is the one from the Groovy defined in the build script. Please note also, that the
* Groovydoc tool prints to System.out for many of its statements and does circumvents our logging currently.
*
* @author Hans Dockter
*/
public class Groovydoc extends SourceTask {
private FileCollection groovyClasspath;
private File destinationDir;
private AntGroovydoc antGroovydoc;
private boolean use;
private String windowTitle;
private String docTitle;
private String header;
private String footer;
private String overview;
private Set<Link> links = new HashSet<Link>();
boolean includePrivate;
public Groovydoc() {
getLogging().captureStandardOutput(LogLevel.INFO);
IsolatedAntBuilder antBuilder = getServices().get(IsolatedAntBuilder.class);
ClassPathRegistry classPathRegistry = getServices().get(ClassPathRegistry.class);
antGroovydoc = new AntGroovydoc(antBuilder, classPathRegistry);
}
@TaskAction
protected void generate() {
List<File> taskClasspath = new ArrayList<File>(getGroovyClasspath().getFiles());
throwExceptionIfTaskClasspathIsEmpty(taskClasspath);
antGroovydoc.execute(getSource(), getDestinationDir(), isUse(), getWindowTitle(), getDocTitle(), getHeader(),
getFooter(), getOverview(), isIncludePrivate(), getLinks(), taskClasspath, getProject());
}
private void throwExceptionIfTaskClasspathIsEmpty(List taskClasspath) {
if (taskClasspath.size() == 0) {
throw new InvalidUserDataException("You must assign a Groovy library to the groovy configuration!");
}
}
/**
* <p>Returns the directory to generate the documentation into.</p>
*
* @return The directory.
*/
@OutputDirectory
public File getDestinationDir() {
return destinationDir;
}
/**
* <p>Sets the directory to generate the documentation into.</p>
*/
public void setDestinationDir(File destinationDir) {
this.destinationDir = destinationDir;
}
/**
* <p>Returns the classpath to use to locate classes referenced by the documented source.</p>
*
* @return The classpath.
*/
@InputFiles
public FileCollection getGroovyClasspath() {
return groovyClasspath;
}
/**
* <p>Sets the classpath to use to locate classes referenced by the documented source.</p>
*/
public void setGroovyClasspath(FileCollection groovyClasspath) {
this.groovyClasspath = groovyClasspath;
}
public AntGroovydoc getAntGroovydoc() {
return antGroovydoc;
}
public void setAntGroovydoc(AntGroovydoc antGroovydoc) {
this.antGroovydoc = antGroovydoc;
}
/**
* Returns whether to create class and package usage pages.
*/
public boolean isUse() {
return use;
}
/**
* Set's whether to create class and package usage pages. Defaults to false.
*/
public void setUse(boolean use) {
this.use = use;
}
/**
* Returns the browser window title for the documentation.
*/
public String getWindowTitle() {
return windowTitle;
}
/**
* Set's the browser window title for the documentation.
*
* @param windowTitle A text for the windows title
*/
public void setWindowTitle(String windowTitle) {
this.windowTitle = windowTitle;
}
/**
* Returns the title for the package index(first) page. Returns null if not set.
*/
public String getDocTitle() {
return docTitle;
}
/**
* Set's title for the package index(first) page (optional).
*
* @param docTitle the docTitle as html-code
*/
public void setDocTitle(String docTitle) {
this.docTitle = docTitle;
}
/**
* Returns the html header for each page. Returns null if not set.
*/
public String getHeader() {
return header;
}
/**
* Set's header text for each page (optional).
*
* @param header the header as html-code
*/
public void setHeader(String header) {
this.header = header;
}
/**
* Returns the html footer for each page. Returns null if not set.
*/
public String getFooter() {
return footer;
}
/**
* Set's footer text for each page (optional).
*
* @param footer the footer as html-code
*/
public void setFooter(String footer) {
this.footer = footer;
}
/**
* Returns a html file to be used for overview documentation. Returns null if such a file is not set.
*/
public String getOverview() {
return overview;
}
/**
* Set's a html file to be used for overview documentation (optional).
*/
public void setOverview(String overview) {
this.overview = overview;
}
/**
* Returns whether to include all classes and members (i.e. including private ones).
*/
public boolean isIncludePrivate() {
return includePrivate;
}
/**
* Set's whether to include all classes and members (i.e. including private ones) if set to true. Defaults to
* false.
*/
public void setIncludePrivate(boolean includePrivate) {
this.includePrivate = includePrivate;
}
/**
* Returns links to groovydoc/javadoc output at the given URL.
*/
public Set<Link> getLinks() {
return Collections.unmodifiableSet(links);
}
/**
* Sets links to groovydoc/javadoc output at the given URL.
*
* @param links The links to set
* @see #link(String, String[])
*/
public void setLinks(Set<Link> links) {
this.links = links;
}
/**
* Add links to groovydoc/javadoc output at the given URL.
*
* @param url Base URL of external site
* @param packages list of package prefixes
*/
public void link(String url, String... packages) {
links.add(new Link(url, packages));
}
/**
* A Link class represent a link between groovydoc/javadoc output and url.
*/
public static class Link {
private List<String> packages = new ArrayList<String>();
private String url;
/**
* Constructs a {@code Link}.
*
* @param url Base URL of external site
* @param packages list of package prefixes
*/
public Link(String url, String... packages) {
throwExceptionIfNull(url, "Url must not be null");
if (packages.length == 0) {
throw new InvalidUserDataException("You must specify at least one package!");
}
for (String aPackage : packages) {
throwExceptionIfNull(aPackage, "A package must not be null");
}
this.packages = Arrays.asList(packages);
this.url = url;
}
private void throwExceptionIfNull(String value, String message) {
if (value == null) {
throw new InvalidUserDataException(message);
}
}
/**
* Returns a list of package prefixes to be linked with an external site.
*/
public List<String> getPackages() {
return Collections.unmodifiableList(packages);
}
/**
* Returns the base url for the external site.
*/
public String getUrl() {
return url;
}
@Override
public boolean equals(Object o) {
if (this == o) {
return true;
}
if (o == null || getClass() != o.getClass()) {
return false;
}
Link link = (Link) o;
if (packages != null ? !packages.equals(link.packages) : link.packages != null) {
return false;
}
if (url != null ? !url.equals(link.url) : link.url != null) {
return false;
}
return true;
}
@Override
public int hashCode() {
int result = packages != null ? packages.hashCode() : 0;
result = 31 * result + (url != null ? url.hashCode() : 0);
return result;
}
}
}