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Stubs.java
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Stubs.java
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/*
* Copyright (C) 2010 Google Inc.
*
* 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 com.google.doclava;
import java.io.BufferedOutputStream;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.PrintStream;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collection;
import java.util.Collections;
import java.util.HashMap;
import java.util.HashSet;
import java.util.List;
import java.util.Set;
public class Stubs {
public static void writeStubsAndApi(String stubsDir, String apiFile,
HashSet<String> stubPackages) {
// figure out which classes we need
final HashSet<ClassInfo> notStrippable = new HashSet<ClassInfo>();
ClassInfo[] all = Converter.allClasses();
PrintStream apiWriter = null;
if (apiFile != null) {
try {
File xml = new File(apiFile);
xml.getParentFile().mkdirs();
apiWriter = new PrintStream(new BufferedOutputStream(new FileOutputStream(xml)));
} catch (FileNotFoundException e) {
Errors.error(Errors.IO_ERROR, new SourcePositionInfo(apiFile, 0, 0),
"Cannot open file for write.");
}
}
// If a class is public or protected, not hidden, and marked as included,
// then we can't strip it
for (ClassInfo cl : all) {
if (cl.checkLevel() && cl.isIncluded()) {
cantStripThis(cl, notStrippable, "0:0");
}
}
// complain about anything that looks includeable but is not supposed to
// be written, e.g. hidden things
for (ClassInfo cl : notStrippable) {
if (!cl.isHidden()) {
for (MethodInfo m : cl.selfMethods()) {
if (m.isHidden()) {
Errors.error(Errors.UNAVAILABLE_SYMBOL, m.position(), "Reference to hidden method "
+ m.name());
} else if (m.isDeprecated()) {
// don't bother reporting deprecated methods
// unless they are public
Errors.error(Errors.DEPRECATED, m.position(), "Method " + cl.qualifiedName() + "."
+ m.name() + " is deprecated");
}
ClassInfo returnClass = m.returnType().asClassInfo();
if (returnClass != null && returnClass.isHidden()) {
System.out.println( m.position() + "Method " + cl.qualifiedName()
+ "." + m.name() + " returns unavailable type " + returnClass.name());
}
for (ParameterInfo p : m.parameters()) {
TypeInfo t = p.type();
if (!t.isPrimitive()) {
if (t.asClassInfo().isHidden()) {
// Errors.error(Errors.UNAVAILABLE_SYMBOL, m.position(), "Parameter of hidden type "
System.out.println( m.position() + "Parameter of hidden type "
+ t.fullName() + " in " + cl.qualifiedName() + "." + m.name() + "()");
}
}
}
}
// annotations are handled like methods
for (MethodInfo m : cl.annotationElements()) {
if (m.isHidden()) {
Errors.error(Errors.UNAVAILABLE_SYMBOL, m.position(), "Reference to hidden annotation "
+ m.name());
}
ClassInfo returnClass = m.returnType().asClassInfo();
if (returnClass != null && returnClass.isHidden()) {
Errors.error(Errors.UNAVAILABLE_SYMBOL, m.position(), "Annotation '" + m.name()
+ "' returns unavailable type " + returnClass.name());
}
for (ParameterInfo p : m.parameters()) {
TypeInfo t = p.type();
if (!t.isPrimitive()) {
if (t.asClassInfo().isHidden()) {
Errors.error(Errors.UNAVAILABLE_SYMBOL, p.position(),
"Reference to unavailable annotation class " + t.fullName());
}
}
}
}
} else if (cl.isDeprecated()) {
// not hidden, but deprecated
Errors.error(Errors.DEPRECATED, cl.position(), "Class " + cl.qualifiedName()
+ " is deprecated");
}
}
HashMap<PackageInfo, List<ClassInfo>> packages = new HashMap<PackageInfo, List<ClassInfo>>();
for (ClassInfo cl : notStrippable) {
if (!cl.isDocOnly()) {
if (stubPackages == null || stubPackages.contains(cl.containingPackage().name())) {
// write out the stubs
if (stubsDir != null) {
writeClassFile(stubsDir, notStrippable, cl);
}
// build class list for xml file
if (apiWriter != null) {
if (packages.containsKey(cl.containingPackage())) {
packages.get(cl.containingPackage()).add(cl);
} else {
ArrayList<ClassInfo> classes = new ArrayList<ClassInfo>();
classes.add(cl);
packages.put(cl.containingPackage(), classes);
}
}
}
}
}
// write out the Api
if (apiWriter != null) {
writeApi(apiWriter, packages, notStrippable);
apiWriter.close();
}
}
public static void cantStripThis(ClassInfo cl, HashSet<ClassInfo> notStrippable, String why) {
if (!notStrippable.add(cl)) {
// slight optimization: if it already contains cl, it already contains
// all of cl's parents
return;
}
cl.setReasonIncluded(why);
// cant strip annotations
/*
* if (cl.annotations() != null){ for (AnnotationInstanceInfo ai : cl.annotations()){ if
* (ai.type() != null){ cantStripThis(ai.type(), notStrippable, "1:" + cl.qualifiedName()); } }
* }
*/
// cant strip any public fields or their generics
if (cl.allSelfFields() != null) {
for (FieldInfo fInfo : cl.allSelfFields()) {
if (fInfo.type() != null) {
if (fInfo.type().asClassInfo() != null) {
cantStripThis(fInfo.type().asClassInfo(), notStrippable, "2:" + cl.qualifiedName());
}
if (fInfo.type().typeArguments() != null) {
for (TypeInfo tTypeInfo : fInfo.type().typeArguments()) {
if (tTypeInfo.asClassInfo() != null) {
cantStripThis(tTypeInfo.asClassInfo(), notStrippable, "3:" + cl.qualifiedName());
}
}
}
}
}
}
// cant strip any of the type's generics
if (cl.asTypeInfo() != null) {
if (cl.asTypeInfo().typeArguments() != null) {
for (TypeInfo tInfo : cl.asTypeInfo().typeArguments()) {
if (tInfo.asClassInfo() != null) {
cantStripThis(tInfo.asClassInfo(), notStrippable, "4:" + cl.qualifiedName());
}
}
}
}
// cant strip any of the annotation elements
// cantStripThis(cl.annotationElements(), notStrippable);
// take care of methods
cantStripThis(cl.allSelfMethods(), notStrippable);
cantStripThis(cl.allConstructors(), notStrippable);
// blow the outer class open if this is an inner class
if (cl.containingClass() != null) {
cantStripThis(cl.containingClass(), notStrippable, "5:" + cl.qualifiedName());
}
// blow open super class and interfaces
ClassInfo supr = cl.realSuperclass();
if (supr != null) {
if (supr.isHidden()) {
// cl is a public class declared as extending a hidden superclass.
// this is not a desired practice but it's happened, so we deal
// with it by stripping off the superclass relation for purposes of
// generating the doc & stub information, and proceeding normally.
cl.init(cl.asTypeInfo(), cl.realInterfaces(), cl.realInterfaceTypes(), cl.innerClasses(),
cl.allConstructors(), cl.allSelfMethods(), cl.annotationElements(), cl.allSelfFields(),
cl.enumConstants(), cl.containingPackage(), cl.containingClass(), null, null, cl
.annotations());
// Errors.error(Errors.HIDDEN_SUPERCLASS, cl.position(), "Public class " + cl.qualifiedName()
System.out.println( cl.position() + "Public class " + cl.qualifiedName()
+ " stripped of unavailable superclass " + supr.qualifiedName());
} else {
cantStripThis(supr, notStrippable, "6:" + cl.realSuperclass().name() + cl.qualifiedName());
}
}
}
private static void cantStripThis(ArrayList<MethodInfo> mInfos, HashSet<ClassInfo> notStrippable) {
// for each method, blow open the parameters, throws and return types. also blow open their
// generics
if (mInfos != null) {
for (MethodInfo mInfo : mInfos) {
if (mInfo.getTypeParameters() != null) {
for (TypeInfo tInfo : mInfo.getTypeParameters()) {
if (tInfo.asClassInfo() != null) {
cantStripThis(tInfo.asClassInfo(), notStrippable, "8:"
+ mInfo.realContainingClass().qualifiedName() + ":" + mInfo.name());
}
}
}
if (mInfo.parameters() != null) {
for (ParameterInfo pInfo : mInfo.parameters()) {
if (pInfo.type() != null && pInfo.type().asClassInfo() != null) {
cantStripThis(pInfo.type().asClassInfo(), notStrippable, "9:"
+ mInfo.realContainingClass().qualifiedName() + ":" + mInfo.name());
if (pInfo.type().typeArguments() != null) {
for (TypeInfo tInfoType : pInfo.type().typeArguments()) {
if (tInfoType.asClassInfo() != null) {
ClassInfo tcl = tInfoType.asClassInfo();
if (tcl.isHidden()) {
// Errors
// .error(Errors.UNAVAILABLE_SYMBOL, mInfo.position(),
System.out.println( mInfo.position() +
"Parameter of hidden type " + tInfoType.fullName() + " in "
+ mInfo.containingClass().qualifiedName() + '.' + mInfo.name()
+ "()");
} else {
cantStripThis(tcl, notStrippable, "10:"
+ mInfo.realContainingClass().qualifiedName() + ":" + mInfo.name());
}
}
}
}
}
}
}
for (ClassInfo thrown : mInfo.thrownExceptions()) {
cantStripThis(thrown, notStrippable, "11:" + mInfo.realContainingClass().qualifiedName()
+ ":" + mInfo.name());
}
if (mInfo.returnType() != null && mInfo.returnType().asClassInfo() != null) {
cantStripThis(mInfo.returnType().asClassInfo(), notStrippable, "12:"
+ mInfo.realContainingClass().qualifiedName() + ":" + mInfo.name());
if (mInfo.returnType().typeArguments() != null) {
for (TypeInfo tyInfo : mInfo.returnType().typeArguments()) {
if (tyInfo.asClassInfo() != null) {
cantStripThis(tyInfo.asClassInfo(), notStrippable, "13:"
+ mInfo.realContainingClass().qualifiedName() + ":" + mInfo.name());
}
}
}
}
}
}
}
static String javaFileName(ClassInfo cl) {
String dir = "";
PackageInfo pkg = cl.containingPackage();
if (pkg != null) {
dir = pkg.name();
dir = dir.replace('.', '/') + '/';
}
return dir + cl.name() + ".java";
}
static void writeClassFile(String stubsDir, HashSet<ClassInfo> notStrippable, ClassInfo cl) {
// inner classes are written by their containing class
if (cl.containingClass() != null) {
return;
}
// Work around the bogus "Array" class we invent for
// Arrays.copyOf's Class<? extends T[]> newType parameter. (http://b/2715505)
if (cl.containingPackage() != null
&& cl.containingPackage().name().equals(PackageInfo.DEFAULT_PACKAGE)) {
return;
}
String filename = stubsDir + '/' + javaFileName(cl);
File file = new File(filename);
ClearPage.ensureDirectory(file);
PrintStream stream = null;
try {
stream = new PrintStream(new BufferedOutputStream(new FileOutputStream(file)));
writeClassFile(stream, notStrippable, cl);
} catch (FileNotFoundException e) {
System.err.println("error writing file: " + filename);
} finally {
if (stream != null) {
stream.close();
}
}
}
static void writeClassFile(PrintStream stream, HashSet<ClassInfo> notStrippable, ClassInfo cl) {
PackageInfo pkg = cl.containingPackage();
if (pkg != null) {
stream.println("package " + pkg.name() + ";");
}
writeClass(stream, notStrippable, cl);
}
static void writeClass(PrintStream stream, HashSet<ClassInfo> notStrippable, ClassInfo cl) {
writeAnnotations(stream, cl.annotations(), cl.isDeprecated());
stream.print(cl.scope() + " ");
if (cl.isAbstract() && !cl.isAnnotation() && !cl.isInterface()) {
stream.print("abstract ");
}
if (cl.isStatic()) {
stream.print("static ");
}
if (cl.isFinal() && !cl.isEnum()) {
stream.print("final ");
}
if (false) {
stream.print("strictfp ");
}
HashSet<String> classDeclTypeVars = new HashSet();
String leafName = cl.asTypeInfo().fullName(classDeclTypeVars);
int bracket = leafName.indexOf('<');
if (bracket < 0) bracket = leafName.length() - 1;
int period = leafName.lastIndexOf('.', bracket);
if (period < 0) period = -1;
leafName = leafName.substring(period + 1);
String kind = cl.kind();
stream.println(kind + " " + leafName);
TypeInfo base = cl.superclassType();
if (!"enum".equals(kind)) {
if (base != null && !"java.lang.Object".equals(base.qualifiedTypeName())) {
stream.println(" extends " + base.fullName(classDeclTypeVars));
}
}
List<TypeInfo> usedInterfaces = new ArrayList<TypeInfo>();
for (TypeInfo iface : cl.realInterfaceTypes()) {
if (notStrippable.contains(iface.asClassInfo()) && !iface.asClassInfo().isDocOnly()) {
usedInterfaces.add(iface);
}
}
if (usedInterfaces.size() > 0 && !cl.isAnnotation()) {
// can java annotations extend other ones?
if (cl.isInterface() || cl.isAnnotation()) {
stream.print(" extends ");
} else {
stream.print(" implements ");
}
String comma = "";
for (TypeInfo iface : usedInterfaces) {
stream.print(comma + iface.fullName(classDeclTypeVars));
comma = ", ";
}
stream.println();
}
stream.println("{");
ArrayList<FieldInfo> enumConstants = cl.enumConstants();
int N = enumConstants.size();
int i = 0;
for (FieldInfo field : enumConstants) {
if (!field.constantLiteralValue().equals("null")) {
stream.println(field.name() + "(" + field.constantLiteralValue()
+ (i == N - 1 ? ");" : "),"));
} else {
stream.println(field.name() + "(" + (i == N - 1 ? ");" : "),"));
}
i++;
}
for (ClassInfo inner : cl.getRealInnerClasses()) {
if (notStrippable.contains(inner) && !inner.isDocOnly()) {
writeClass(stream, notStrippable, inner);
}
}
for (MethodInfo method : cl.constructors()) {
if (!method.isDocOnly()) {
writeMethod(stream, method, true);
}
}
boolean fieldNeedsInitialization = false;
boolean staticFieldNeedsInitialization = false;
for (FieldInfo field : cl.allSelfFields()) {
if (!field.isDocOnly()) {
if (!field.isStatic() && field.isFinal() && !fieldIsInitialized(field)) {
fieldNeedsInitialization = true;
}
if (field.isStatic() && field.isFinal() && !fieldIsInitialized(field)) {
staticFieldNeedsInitialization = true;
}
}
}
// The compiler includes a default public constructor that calls the super classes
// default constructor in the case where there are no written constructors.
// So, if we hide all the constructors, java may put in a constructor
// that calls a nonexistent super class constructor. So, if there are no constructors,
// and the super class doesn't have a default constructor, write in a private constructor
// that works. TODO -- we generate this as protected, but we really should generate
// it as private unless it also exists in the real code.
if ((cl.constructors().isEmpty() && (!cl.getNonWrittenConstructors().isEmpty() || fieldNeedsInitialization))
&& !cl.isAnnotation() && !cl.isInterface() && !cl.isEnum()) {
// Errors.error(Errors.HIDDEN_CONSTRUCTOR,
// cl.position(), "No constructors " +
// "found and superclass has no parameterless constructor. A constructor " +
// "that calls an appropriate superclass constructor " +
// "was automatically written to stubs.\n");
stream.println(cl.leafName() + "() { " + superCtorCall(cl, null) + "throw new"
+ " RuntimeException(\"Stub!\"); }");
}
for (MethodInfo method : cl.allSelfMethods()) {
if (cl.isEnum()) {
if (("values".equals(method.name()) && "()".equals(method.signature()))
|| ("valueOf".equals(method.name()) && "(java.lang.String)".equals(method.signature()))) {
// skip these two methods on enums, because they're synthetic,
// although for some reason javadoc doesn't mark them as synthetic,
// maybe because they still want them documented
continue;
}
}
if (!method.isDocOnly()) {
writeMethod(stream, method, false);
}
}
// Write all methods that are hidden, but override abstract methods or interface methods.
// These can't be hidden.
for (MethodInfo method : cl.getHiddenMethods()) {
MethodInfo overriddenMethod =
method.findRealOverriddenMethod(method.name(), method.signature(), notStrippable);
ClassInfo classContainingMethod =
method.findRealOverriddenClass(method.name(), method.signature());
if (overriddenMethod != null && !overriddenMethod.isHidden() && !overriddenMethod.isDocOnly()
&& (overriddenMethod.isAbstract() || overriddenMethod.containingClass().isInterface())) {
method.setReason("1:" + classContainingMethod.qualifiedName());
cl.addMethod(method);
writeMethod(stream, method, false);
}
}
for (MethodInfo element : cl.annotationElements()) {
if (!element.isDocOnly()) {
writeAnnotationElement(stream, element);
}
}
for (FieldInfo field : cl.allSelfFields()) {
if (!field.isDocOnly()) {
writeField(stream, field);
}
}
if (staticFieldNeedsInitialization) {
stream.print("static { ");
for (FieldInfo field : cl.allSelfFields()) {
if (!field.isDocOnly() && field.isStatic() && field.isFinal() && !fieldIsInitialized(field)
&& field.constantValue() == null) {
stream.print(field.name() + " = " + field.type().defaultValue() + "; ");
}
}
stream.println("}");
}
stream.println("}");
}
static void writeMethod(PrintStream stream, MethodInfo method, boolean isConstructor) {
String comma;
writeAnnotations(stream, method.annotations(), method.isDeprecated());
stream.print(method.scope() + " ");
if (method.isStatic()) {
stream.print("static ");
}
if (method.isFinal()) {
stream.print("final ");
}
if (method.isAbstract()) {
stream.print("abstract ");
}
if (method.isSynchronized()) {
stream.print("synchronized ");
}
if (method.isNative()) {
stream.print("native ");
}
if (false /* method.isStictFP() */) {
stream.print("strictfp ");
}
stream.print(method.typeArgumentsName(new HashSet()) + " ");
if (!isConstructor) {
stream.print(method.returnType().fullName(method.typeVariables()) + " ");
}
String n = method.name();
int pos = n.lastIndexOf('.');
if (pos >= 0) {
n = n.substring(pos + 1);
}
stream.print(n + "(");
comma = "";
int count = 1;
int size = method.parameters().size();
for (ParameterInfo param : method.parameters()) {
stream.print(comma + fullParameterTypeName(method, param.type(), count == size) + " "
+ param.name());
comma = ", ";
count++;
}
stream.print(")");
comma = "";
if (method.thrownExceptions().size() > 0) {
stream.print(" throws ");
for (ClassInfo thrown : method.thrownExceptions()) {
stream.print(comma + thrown.qualifiedName());
comma = ", ";
}
}
if (method.isAbstract() || method.isNative() || method.containingClass().isInterface()) {
stream.println(";");
} else {
stream.print(" { ");
if (isConstructor) {
stream.print(superCtorCall(method.containingClass(), method.thrownExceptions()));
}
stream.println("throw new RuntimeException(\"Stub!\"); }");
}
}
static void writeField(PrintStream stream, FieldInfo field) {
writeAnnotations(stream, field.annotations(), field.isDeprecated());
stream.print(field.scope() + " ");
if (field.isStatic()) {
stream.print("static ");
}
if (field.isFinal()) {
stream.print("final ");
}
if (field.isTransient()) {
stream.print("transient ");
}
if (field.isVolatile()) {
stream.print("volatile ");
}
stream.print(field.type().fullName());
stream.print(" ");
stream.print(field.name());
if (fieldIsInitialized(field)) {
stream.print(" = " + field.constantLiteralValue());
}
stream.println(";");
}
static boolean fieldIsInitialized(FieldInfo field) {
return (field.isFinal() && field.constantValue() != null)
|| !field.type().dimension().equals("") || field.containingClass().isInterface();
}
// Returns 'true' if the method is an @Override of a visible parent
// method implementation, and thus does not affect the API.
static boolean methodIsOverride(HashSet<ClassInfo> notStrippable, MethodInfo mi) {
// Abstract/static/final methods are always listed in the API description
if (mi.isAbstract() || mi.isStatic() || mi.isFinal()) {
return false;
}
// Find any relevant ancestor declaration and inspect it
MethodInfo om = mi.findSuperclassImplementation(notStrippable);
if (om != null) {
// Visibility mismatch is an API change, so check for it
if (mi.mIsPrivate == om.mIsPrivate && mi.mIsPublic == om.mIsPublic
&& mi.mIsProtected == om.mIsProtected) {
// Look only for overrides of an ancestor class implementation,
// not of e.g. an abstract or interface method declaration
if (!om.isAbstract()) {
// If the parent is hidden, we can't rely on it to provide
// the API
if (!om.isHidden()) {
// If the only "override" turns out to be in our own class
// (which sometimes happens in concrete subclasses of
// abstract base classes), it's not really an override
if (!mi.mContainingClass.equals(om.mContainingClass)) {
return true;
}
}
}
}
}
return false;
}
static boolean canCallMethod(ClassInfo from, MethodInfo m) {
if (m.isPublic() || m.isProtected()) {
return true;
}
if (m.isPackagePrivate()) {
String fromPkg = from.containingPackage().name();
String pkg = m.containingClass().containingPackage().name();
if (fromPkg.equals(pkg)) {
return true;
}
}
return false;
}
// call a constructor, any constructor on this class's superclass.
static String superCtorCall(ClassInfo cl, ArrayList<ClassInfo> thrownExceptions) {
ClassInfo base = cl.realSuperclass();
if (base == null) {
return "";
}
HashSet<String> exceptionNames = new HashSet<String>();
if (thrownExceptions != null) {
for (ClassInfo thrown : thrownExceptions) {
exceptionNames.add(thrown.name());
}
}
ArrayList<MethodInfo> ctors = base.constructors();
MethodInfo ctor = null;
// bad exception indicates that the exceptions thrown by the super constructor
// are incompatible with the constructor we're using for the sub class.
Boolean badException = false;
for (MethodInfo m : ctors) {
if (canCallMethod(cl, m)) {
if (m.thrownExceptions() != null) {
for (ClassInfo thrown : m.thrownExceptions()) {
if (!exceptionNames.contains(thrown.name())) {
badException = true;
}
}
}
if (badException) {
badException = false;
continue;
}
// if it has no args, we're done
if (m.parameters().isEmpty()) {
return "";
}
ctor = m;
}
}
if (ctor != null) {
String result = "";
result += "super(";
ArrayList<ParameterInfo> params = ctor.parameters();
for (ParameterInfo param : params) {
TypeInfo t = param.type();
if (t.isPrimitive() && t.dimension().equals("")) {
String n = t.simpleTypeName();
if (("byte".equals(n) || "short".equals(n) || "int".equals(n) || "long".equals(n)
|| "float".equals(n) || "double".equals(n))
&& t.dimension().equals("")) {
result += "0";
} else if ("char".equals(n)) {
result += "'\\0'";
} else if ("boolean".equals(n)) {
result += "false";
} else {
result += "<<unknown-" + n + ">>";
}
} else {
// put null in each super class method. Cast null to the correct type
// to avoid collisions with other constructors. If the type is generic
// don't cast it
result +=
(!t.isTypeVariable() ? "(" + t.qualifiedTypeName() + t.dimension() + ")" : "")
+ "null";
}
if (param != params.get(params.size()-1)) {
result += ",";
}
}
result += "); ";
return result;
} else {
return "";
}
}
/**
* Write out the given list of annotations. If the {@code isDeprecated}
* flag is true also write out a {@code @Deprecated} annotation if it did not
* already appear in the list of annotations. (This covers APIs that mention
* {@code @deprecated} in their documentation but fail to add
* {@code @Deprecated} as an annotation.
* <p>
* {@code @Override} annotations are deliberately skipped.
*/
static void writeAnnotations(PrintStream stream, List<AnnotationInstanceInfo> annotations,
boolean isDeprecated) {
assert annotations != null;
for (AnnotationInstanceInfo ann : annotations) {
// Skip @Override annotations: the stubs do not need it and in some cases it leads
// to compilation errors with the way the stubs are generated
if (ann.type() != null && ann.type().qualifiedName().equals("java.lang.Override")) {
continue;
}
if (!ann.type().isHidden()) {
stream.println(ann.toString());
if (isDeprecated && ann.type() != null
&& ann.type().qualifiedName().equals("java.lang.Deprecated")) {
isDeprecated = false; // Prevent duplicate annotations
}
}
}
if (isDeprecated) {
stream.println("@Deprecated");
}
}
static void writeAnnotationElement(PrintStream stream, MethodInfo ann) {
stream.print(ann.returnType().fullName());
stream.print(" ");
stream.print(ann.name());
stream.print("()");
AnnotationValueInfo def = ann.defaultAnnotationElementValue();
if (def != null) {
stream.print(" default ");
stream.print(def.valueString());
}
stream.println(";");
}
static void writeXML(PrintStream xmlWriter, HashMap<PackageInfo, List<ClassInfo>> allClasses,
HashSet<ClassInfo> notStrippable) {
// extract the set of packages, sort them by name, and write them out in that order
Set<PackageInfo> allClassKeys = allClasses.keySet();
PackageInfo[] allPackages = allClassKeys.toArray(new PackageInfo[allClassKeys.size()]);
Arrays.sort(allPackages, PackageInfo.comparator);
xmlWriter.println("<api>");
for (PackageInfo pack : allPackages) {
writePackageXML(xmlWriter, pack, allClasses.get(pack), notStrippable);
}
xmlWriter.println("</api>");
}
public static void writeXml(PrintStream xmlWriter, Collection<PackageInfo> pkgs) {
final PackageInfo[] packages = pkgs.toArray(new PackageInfo[pkgs.size()]);
Arrays.sort(packages, PackageInfo.comparator);
HashSet<ClassInfo> notStrippable = new HashSet();
for (PackageInfo pkg: packages) {
for (ClassInfo cl: pkg.allClasses().values()) {
notStrippable.add(cl);
}
}
xmlWriter.println("<api>");
for (PackageInfo pkg: packages) {
writePackageXML(xmlWriter, pkg, pkg.allClasses().values(), notStrippable);
}
xmlWriter.println("</api>");
}
static void writePackageXML(PrintStream xmlWriter, PackageInfo pack,
Collection<ClassInfo> classList, HashSet<ClassInfo> notStrippable) {
ClassInfo[] classes = classList.toArray(new ClassInfo[classList.size()]);
Arrays.sort(classes, ClassInfo.comparator);
// Work around the bogus "Array" class we invent for
// Arrays.copyOf's Class<? extends T[]> newType parameter. (http://b/2715505)
if (pack.name().equals(PackageInfo.DEFAULT_PACKAGE)) {
return;
}
xmlWriter.println("<package name=\"" + pack.name() + "\"\n"
// + " source=\"" + pack.position() + "\"\n"
+ ">");
for (ClassInfo cl : classes) {
writeClassXML(xmlWriter, cl, notStrippable);
}
xmlWriter.println("</package>");
}
static void writeClassXML(PrintStream xmlWriter, ClassInfo cl, HashSet<ClassInfo> notStrippable) {
String scope = cl.scope();
String deprecatedString = "";
String declString = (cl.isInterface()) ? "interface" : "class";
if (cl.isDeprecated()) {
deprecatedString = "deprecated";
} else {
deprecatedString = "not deprecated";
}
xmlWriter.println("<" + declString + " name=\"" + cl.name() + "\"");
if (!cl.isInterface() && !cl.qualifiedName().equals("java.lang.Object")) {
xmlWriter.println(" extends=\""
+ ((cl.realSuperclass() == null) ? "java.lang.Object" : cl.realSuperclass()
.qualifiedName()) + "\"");
}
xmlWriter.println(" abstract=\"" + cl.isAbstract() + "\"\n" + " static=\"" + cl.isStatic()
+ "\"\n" + " final=\"" + cl.isFinal() + "\"\n" + " deprecated=\"" + deprecatedString
+ "\"\n" + " visibility=\"" + scope + "\"\n"
// + " source=\"" + cl.position() + "\"\n"
+ ">");
ArrayList<ClassInfo> interfaces = cl.realInterfaces();
Collections.sort(interfaces, ClassInfo.comparator);
for (ClassInfo iface : interfaces) {
if (notStrippable.contains(iface)) {
xmlWriter.println("<implements name=\"" + iface.qualifiedName() + "\">");
xmlWriter.println("</implements>");
}
}
ArrayList<MethodInfo> constructors = cl.constructors();
Collections.sort(constructors, MethodInfo.comparator);
for (MethodInfo mi : constructors) {
writeConstructorXML(xmlWriter, mi);
}
ArrayList<MethodInfo> methods = cl.allSelfMethods();
Collections.sort(methods, MethodInfo.comparator);
for (MethodInfo mi : methods) {
if (!methodIsOverride(notStrippable, mi)) {
writeMethodXML(xmlWriter, mi);
}
}
ArrayList<FieldInfo> fields = cl.allSelfFields();
Collections.sort(fields, FieldInfo.comparator);
for (FieldInfo fi : fields) {
writeFieldXML(xmlWriter, fi);
}
xmlWriter.println("</" + declString + ">");
}
static void writeMethodXML(PrintStream xmlWriter, MethodInfo mi) {
String scope = mi.scope();
String deprecatedString = "";
if (mi.isDeprecated()) {
deprecatedString = "deprecated";
} else {
deprecatedString = "not deprecated";
}
xmlWriter.println("<method name=\""
+ mi.name()
+ "\"\n"
+ ((mi.returnType() != null) ? " return=\""
+ makeXMLcompliant(fullParameterTypeName(mi, mi.returnType(), false)) + "\"\n" : "")
+ " abstract=\"" + mi.isAbstract() + "\"\n" + " native=\"" + mi.isNative() + "\"\n"
+ " synchronized=\"" + mi.isSynchronized() + "\"\n" + " static=\"" + mi.isStatic() + "\"\n"
+ " final=\"" + mi.isFinal() + "\"\n" + " deprecated=\"" + deprecatedString + "\"\n"
+ " visibility=\"" + scope + "\"\n"
// + " source=\"" + mi.position() + "\"\n"
+ ">");
// write parameters in declaration order
int numParameters = mi.parameters().size();
int count = 0;
for (ParameterInfo pi : mi.parameters()) {
count++;
writeParameterXML(xmlWriter, mi, pi, count == numParameters);
}
// but write exceptions in canonicalized order
ArrayList<ClassInfo> exceptions = mi.thrownExceptions();
Collections.sort(exceptions, ClassInfo.comparator);
for (ClassInfo pi : exceptions) {
xmlWriter.println("<exception name=\"" + pi.name() + "\" type=\"" + pi.qualifiedName()
+ "\">");
xmlWriter.println("</exception>");
}
xmlWriter.println("</method>");
}
static void writeConstructorXML(PrintStream xmlWriter, MethodInfo mi) {
String scope = mi.scope();
String deprecatedString = "";
if (mi.isDeprecated()) {
deprecatedString = "deprecated";
} else {
deprecatedString = "not deprecated";
}
xmlWriter.println("<constructor name=\"" + mi.name() + "\"\n" + " type=\""
+ mi.containingClass().qualifiedName() + "\"\n" + " static=\"" + mi.isStatic() + "\"\n"
+ " final=\"" + mi.isFinal() + "\"\n" + " deprecated=\"" + deprecatedString + "\"\n"
+ " visibility=\"" + scope + "\"\n"
// + " source=\"" + mi.position() + "\"\n"
+ ">");
int numParameters = mi.parameters().size();
int count = 0;
for (ParameterInfo pi : mi.parameters()) {
count++;
writeParameterXML(xmlWriter, mi, pi, count == numParameters);
}
ArrayList<ClassInfo> exceptions = mi.thrownExceptions();
Collections.sort(exceptions, ClassInfo.comparator);
for (ClassInfo pi : exceptions) {
xmlWriter.println("<exception name=\"" + pi.name() + "\" type=\"" + pi.qualifiedName()
+ "\">");
xmlWriter.println("</exception>");
}
xmlWriter.println("</constructor>");
}
static void writeParameterXML(PrintStream xmlWriter, MethodInfo method, ParameterInfo pi,
boolean isLast) {
xmlWriter.println("<parameter name=\"" + pi.name() + "\" type=\""
+ makeXMLcompliant(fullParameterTypeName(method, pi.type(), isLast)) + "\">");
xmlWriter.println("</parameter>");
}
static void writeFieldXML(PrintStream xmlWriter, FieldInfo fi) {
String scope = fi.scope();
String deprecatedString = "";
if (fi.isDeprecated()) {
deprecatedString = "deprecated";
} else {
deprecatedString = "not deprecated";
}
// need to make sure value is valid XML
String value = makeXMLcompliant(fi.constantLiteralValue());
String fullTypeName = makeXMLcompliant(fi.type().qualifiedTypeName()) + fi.type().dimension();
xmlWriter.println("<field name=\"" + fi.name() + "\"\n" + " type=\"" + fullTypeName + "\"\n"
+ " transient=\"" + fi.isTransient() + "\"\n" + " volatile=\"" + fi.isVolatile() + "\"\n"
+ (fieldIsInitialized(fi) ? " value=\"" + value + "\"\n" : "") + " static=\""
+ fi.isStatic() + "\"\n" + " final=\"" + fi.isFinal() + "\"\n" + " deprecated=\""
+ deprecatedString + "\"\n" + " visibility=\"" + scope + "\"\n"
// + " source=\"" + fi.position() + "\"\n"
+ ">");
xmlWriter.println("</field>");
}
static String makeXMLcompliant(String s) {
String returnString = "";
returnString = s.replaceAll("&", "&");
returnString = returnString.replaceAll("<", "<");
returnString = returnString.replaceAll(">", ">");
returnString = returnString.replaceAll("\"", """);
returnString = returnString.replaceAll("'", "&pos;");
return returnString;
}
public static void writeApi(PrintStream apiWriter, Collection<PackageInfo> pkgs) {
final PackageInfo[] packages = pkgs.toArray(new PackageInfo[pkgs.size()]);
Arrays.sort(packages, PackageInfo.comparator);
HashSet<ClassInfo> notStrippable = new HashSet();
for (PackageInfo pkg: packages) {
for (ClassInfo cl: pkg.allClasses().values()) {
notStrippable.add(cl);
}
}
for (PackageInfo pkg: packages) {
writePackageApi(apiWriter, pkg, pkg.allClasses().values(), notStrippable);
}
}
static void writeApi(PrintStream apiWriter, HashMap<PackageInfo, List<ClassInfo>> allClasses,
HashSet<ClassInfo> notStrippable) {
// extract the set of packages, sort them by name, and write them out in that order
Set<PackageInfo> allClassKeys = allClasses.keySet();