0N/A/*
4248N/A * Copyright (c) 1995, 2004, Oracle and/or its affiliates. All rights reserved.
0N/A * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
0N/A *
0N/A * This code is free software; you can redistribute it and/or modify it
0N/A * under the terms of the GNU General Public License version 2 only, as
0N/A * published by the Free Software Foundation. Oracle designates this
0N/A * particular file as subject to the "Classpath" exception as provided
0N/A * by Oracle in the LICENSE file that accompanied this code.
0N/A *
0N/A * This code is distributed in the hope that it will be useful, but WITHOUT
0N/A * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
0N/A * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
0N/A * version 2 for more details (a copy is included in the LICENSE file that
0N/A * accompanied this code).
0N/A *
0N/A * You should have received a copy of the GNU General Public License version
0N/A * 2 along with this work; if not, write to the Free Software Foundation,
2362N/A * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
2362N/A *
2362N/A * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
0N/A * or visit www.oracle.com if you need additional information or have any
0N/A * questions.
0N/A */
0N/A
0N/Apackage sun.tools.java;
0N/A
0N/Aimport java.util.Enumeration;
0N/Aimport java.io.File;
0N/Aimport java.io.IOException;
0N/A
0N/A/**
0N/A * This class is used to represent the classes in a package.
0N/A *
0N/A * WARNING: The contents of this source file are not part of any
0N/A * supported API. Code that depends on them does so at its own risk:
0N/A * they are subject to change or removal without notice.
0N/A */
0N/Apublic
0N/Aclass Package {
0N/A /**
0N/A * The path which we use to locate source files.
0N/A */
0N/A ClassPath sourcePath;
0N/A
0N/A /**
0N/A * The path which we use to locate class (binary) files.
0N/A */
0N/A ClassPath binaryPath;
0N/A
0N/A /**
0N/A * The path name of the package.
0N/A */
0N/A String pkg;
0N/A
0N/A /**
0N/A * Create a package given a class path, and package name.
0N/A */
4081N/A public Package(ClassPath path, Identifier pkg) throws IOException {
4081N/A this(path, path, pkg);
4081N/A }
0N/A
0N/A /**
0N/A * Create a package given a source path, binary path, and package
0N/A * name.
0N/A */
0N/A public Package(ClassPath sourcePath,
0N/A ClassPath binaryPath,
0N/A Identifier pkg)
0N/A throws IOException {
0N/A if (pkg.isInner())
0N/A pkg = Identifier.lookup(pkg.getQualifier(), pkg.getFlatName());
0N/A this.sourcePath = sourcePath;
0N/A this.binaryPath = binaryPath;
0N/A this.pkg = pkg.toString().replace('.', File.separatorChar);
0N/A }
0N/A
0N/A /**
0N/A * Check if a class is defined in this package.
0N/A * (If it is an inner class name, it is assumed to exist
0N/A * only if its binary file exists. This is somewhat pessimistic.)
0N/A */
0N/A public boolean classExists(Identifier className) {
0N/A return getBinaryFile(className) != null ||
0N/A !className.isInner() &&
0N/A getSourceFile(className) != null;
0N/A }
0N/A
0N/A /**
0N/A * Check if the package exists
0N/A */
0N/A public boolean exists() {
0N/A // Look for the directory on our binary path.
0N/A ClassFile dir = binaryPath.getDirectory(pkg);
0N/A if (dir != null && dir.isDirectory()) {
0N/A return true;
0N/A }
0N/A
0N/A if (sourcePath != binaryPath) {
0N/A // Look for the directory on our source path.
0N/A dir = sourcePath.getDirectory(pkg);
0N/A if (dir != null && dir.isDirectory()) {
0N/A return true;
0N/A }
0N/A }
0N/A
0N/A /* Accommodate ZIP files without CEN entries for directories
0N/A * (packages): look on class path for at least one binary
0N/A * file or one source file with the right package prefix
0N/A */
0N/A String prefix = pkg + File.separator;
0N/A
4081N/A return binaryPath.getFiles(prefix, ".class").hasMoreElements()
4081N/A || sourcePath.getFiles(prefix, ".java").hasMoreElements();
4081N/A }
4081N/A
0N/A private String makeName(String fileName) {
0N/A return pkg.equals("") ? fileName : pkg + File.separator + fileName;
0N/A }
/**
* Get the .class file of a class
*/
public ClassFile getBinaryFile(Identifier className) {
className = Type.mangleInnerType(className);
String fileName = className.toString() + ".class";
return binaryPath.getFile(makeName(fileName));
}
/**
* Get the .java file of a class
*/
public ClassFile getSourceFile(Identifier className) {
// The source file of an inner class is that of its outer class.
className = className.getTopName();
String fileName = className.toString() + ".java";
return sourcePath.getFile(makeName(fileName));
}
public ClassFile getSourceFile(String fileName) {
if (fileName.endsWith(".java")) {
return sourcePath.getFile(makeName(fileName));
}
return null;
}
public Enumeration getSourceFiles() {
return sourcePath.getFiles(pkg, ".java");
}
public Enumeration getBinaryFiles() {
return binaryPath.getFiles(pkg, ".class");
}
public String toString() {
if (pkg.equals("")) {
return "unnamed package";
}
return "package " + pkg;
}
}