/*
* Copyright (c) 1997, 2012, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation. Oracle designates this
* particular file as subject to the "Classpath" exception as provided
* by Oracle in the LICENSE file that accompanied this code.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
package com.sun.tools.javadoc;
import java.io.IOException;
import java.io.InputStream;
import javax.tools.FileObject;
import com.sun.javadoc.*;
import com.sun.source.util.TreePath;
import com.sun.tools.javac.code.Attribute;
import com.sun.tools.javac.code.Scope;
import com.sun.tools.javac.code.Symbol.ClassSymbol;
import com.sun.tools.javac.code.Symbol.PackageSymbol;
import com.sun.tools.javac.tree.JCTree;
import com.sun.tools.javac.tree.JCTree.JCCompilationUnit;
import com.sun.tools.javac.util.List;
import com.sun.tools.javac.util.ListBuffer;
import com.sun.tools.javac.util.Name;
import com.sun.tools.javac.util.Position;
/**
* Represents a java package. Provides access to information
* about the package, the package's comment and tags, and the
* classes in the package.
*
* <p><b>This is NOT part of any supported API.
* If you write code that depends on this, you do so at your own risk.
* This code and its internal interfaces are subject to change or
* deletion without notice.</b>
*
* @since 1.2
* @author Kaiyang Liu (original)
* @author Robert Field (rewrite)
* @author Neal Gafter (rewrite)
* @author Scott Seligman (package-info.java)
*/
public class PackageDocImpl extends DocImpl implements PackageDoc {
protected PackageSymbol sym;
private JCCompilationUnit tree = null; // for source position
public FileObject docPath = null;
private boolean foundDoc; // found a doc comment in either
// package.html or package-info.java
boolean isIncluded = false; // Set in RootDocImpl.
public boolean setDocPath = false; //Flag to avoid setting doc path multiple times.
/**
* Constructor
*/
public PackageDocImpl(DocEnv env, PackageSymbol sym) {
this(env, sym, null);
}
/**
* Constructor
*/
public PackageDocImpl(DocEnv env, PackageSymbol sym, TreePath treePath) {
super(env, treePath);
this.sym = sym;
this.tree = (treePath == null) ? null : (JCCompilationUnit) treePath.getCompilationUnit();
foundDoc = (documentation != null);
}
void setTree(JCTree tree) {
this.tree = (JCCompilationUnit) tree;
}
public void setTreePath(TreePath treePath) {
super.setTreePath(treePath);
checkDoc();
}
/**
* Do lazy initialization of "documentation" string.
*/
protected String documentation() {
if (documentation != null)
return documentation;
if (docPath != null) {
// read from file
try {
InputStream s = docPath.openInputStream();
documentation = readHTMLDocumentation(s, docPath);
} catch (IOException exc) {
documentation = "";
env.error(null, "javadoc.File_Read_Error", docPath.getName());
}
} else {
// no doc file to be had
documentation = "";
}
return documentation;
}
/**
* Cache of all classes contained in this package, including
* member classes of those classes, and their member classes, etc.
* Includes only those classes at the specified protection level
* and weaker.
*/
private List<ClassDocImpl> allClassesFiltered = null;
/**
* Cache of all classes contained in this package, including
* member classes of those classes, and their member classes, etc.
*/
private List<ClassDocImpl> allClasses = null;
/**
* Return a list of all classes contained in this package, including
* member classes of those classes, and their member classes, etc.
*/
private List<ClassDocImpl> getClasses(boolean filtered) {
if (allClasses != null && !filtered) {
return allClasses;
}
if (allClassesFiltered != null && filtered) {
return allClassesFiltered;
}
ListBuffer<ClassDocImpl> classes = new ListBuffer<ClassDocImpl>();
for (Scope.Entry e = sym.members().elems; e != null; e = e.sibling) {
if (e.sym != null) {
ClassSymbol s = (ClassSymbol)e.sym;
ClassDocImpl c = env.getClassDoc(s);
if (c != null && !c.isSynthetic())
c.addAllClasses(classes, filtered);
}
}
if (filtered)
return allClassesFiltered = classes.toList();
else
return allClasses = classes.toList();
}
/**
* Add all included classes (including Exceptions and Errors)
* and interfaces.
*/
public void addAllClassesTo(ListBuffer<ClassDocImpl> list) {
list.appendList(getClasses(true));
}
/**
* Get all classes (including Exceptions and Errors)
* and interfaces.
* @since J2SE1.4.
*
* @return all classes and interfaces in this package, filtered to include
* only the included classes if filter==true.
*/
public ClassDoc[] allClasses(boolean filter) {
List<ClassDocImpl> classes = getClasses(filter);
return classes.toArray(new ClassDocImpl[classes.length()]);
}
/**
* Get all included classes (including Exceptions and Errors)
* and interfaces. Same as allClasses(true).
*
* @return all included classes and interfaces in this package.
*/
public ClassDoc[] allClasses() {
return allClasses(true);
}
/**
* Get ordinary classes (that is, exclude exceptions, errors,
* enums, interfaces, and annotation types) in this package.
*
* @return included ordinary classes in this package.
*/
public ClassDoc[] ordinaryClasses() {
ListBuffer<ClassDocImpl> ret = new ListBuffer<ClassDocImpl>();
for (ClassDocImpl c : getClasses(true)) {
if (c.isOrdinaryClass()) {
ret.append(c);
}
}
return ret.toArray(new ClassDocImpl[ret.length()]);
}
/**
* Get Exception classes in this package.
*
* @return included Exceptions in this package.
*/
public ClassDoc[] exceptions() {
ListBuffer<ClassDocImpl> ret = new ListBuffer<ClassDocImpl>();
for (ClassDocImpl c : getClasses(true)) {
if (c.isException()) {
ret.append(c);
}
}
return ret.toArray(new ClassDocImpl[ret.length()]);
}
/**
* Get Error classes in this package.
*
* @return included Errors in this package.
*/
public ClassDoc[] errors() {
ListBuffer<ClassDocImpl> ret = new ListBuffer<ClassDocImpl>();
for (ClassDocImpl c : getClasses(true)) {
if (c.isError()) {
ret.append(c);
}
}
return ret.toArray(new ClassDocImpl[ret.length()]);
}
/**
* Get included enum types in this package.
*
* @return included enum types in this package.
*/
public ClassDoc[] enums() {
ListBuffer<ClassDocImpl> ret = new ListBuffer<ClassDocImpl>();
for (ClassDocImpl c : getClasses(true)) {
if (c.isEnum()) {
ret.append(c);
}
}
return ret.toArray(new ClassDocImpl[ret.length()]);
}
/**
* Get included interfaces in this package, omitting annotation types.
*
* @return included interfaces in this package.
*/
public ClassDoc[] interfaces() {
ListBuffer<ClassDocImpl> ret = new ListBuffer<ClassDocImpl>();
for (ClassDocImpl c : getClasses(true)) {
if (c.isInterface()) {
ret.append(c);
}
}
return ret.toArray(new ClassDocImpl[ret.length()]);
}
/**
* Get included annotation types in this package.
*
* @return included annotation types in this package.
*/
public AnnotationTypeDoc[] annotationTypes() {
ListBuffer<AnnotationTypeDocImpl> ret =
new ListBuffer<AnnotationTypeDocImpl>();
for (ClassDocImpl c : getClasses(true)) {
if (c.isAnnotationType()) {
ret.append((AnnotationTypeDocImpl)c);
}
}
return ret.toArray(new AnnotationTypeDocImpl[ret.length()]);
}
/**
* Get the annotations of this package.
* Return an empty array if there are none.
*/
public AnnotationDesc[] annotations() {
AnnotationDesc res[] = new AnnotationDesc[sym.getAnnotationMirrors().length()];
int i = 0;
for (Attribute.Compound a : sym.getAnnotationMirrors()) {
res[i++] = new AnnotationDescImpl(env, a);
}
return res;
}
/**
* Lookup for a class within this package.
*
* @return ClassDocImpl of found class, or null if not found.
*/
public ClassDoc findClass(String className) {
final boolean filtered = true;
for (ClassDocImpl c : getClasses(filtered)) {
if (c.name().equals(className)) {
return c;
}
}
return null;
}
/**
* Return true if this package is included in the active set.
*/
public boolean isIncluded() {
return isIncluded;
}
/**
* Get package name.
*
* Note that we do not provide a means of obtaining the simple
* name of a package -- package names are always returned in their
* uniquely qualified form.
*/
public String name() {
return qualifiedName();
}
/**
* Get package name.
*/
public String qualifiedName() {
Name fullname = sym.getQualifiedName();
// Some bogus tests depend on the interned "" being returned.
// See 6457276.
return fullname.isEmpty() ? "" : fullname.toString();
}
/**
* set doc path for an unzipped directory
*/
public void setDocPath(FileObject path) {
setDocPath = true;
if (path == null)
return;
if (!path.equals(docPath)) {
docPath = path;
checkDoc();
}
}
// Has checkDoc() sounded off yet?
private boolean checkDocWarningEmitted = false;
/**
* Invoked when a source of package doc comments is located.
* Emits a diagnostic if this is the second one.
*/
private void checkDoc() {
if (foundDoc) {
if (!checkDocWarningEmitted) {
env.warning(null, "javadoc.Multiple_package_comments", name());
checkDocWarningEmitted = true;
}
} else {
foundDoc = true;
}
}
/**
* Return the source position of the entity, or null if
* no position is available.
*/
public SourcePosition position() {
return (tree != null)
? SourcePositionImpl.make(tree.sourcefile, tree.pos, tree.lineMap)
: SourcePositionImpl.make(docPath, Position.NOPOS, null);
}
}