/*
* Copyright (c) 1995, 2004, 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 sun.tools.java;
import java.io.File;
import java.io.InputStream;
import java.io.FileInputStream;
import java.io.IOException;
import java.util.zip.*;
/**
* This class is used to represent a file loaded from the class path, and
* can either be a regular file or a zip file entry.
*
* WARNING: The contents of this source file are not part of any
* supported API. Code that depends on them does so at its own risk:
* they are subject to change or removal without notice.
*/
public
class ClassFile {
/*
* Non-null if this represents a regular file
*/
private File file;
/*
* Non-null if this represents a zip file entry
*/
private ZipFile zipFile;
private ZipEntry zipEntry;
/**
* Constructor for instance representing a regular file
*/
public ClassFile(File file) {
this.file = file;
}
/**
* Constructor for instance representing a zip file entry
*/
public ClassFile(ZipFile zf, ZipEntry ze) {
this.zipFile = zf;
this.zipEntry = ze;
}
/**
* Returns true if this is zip file entry
*/
public boolean isZipped() {
return zipFile != null;
}
/**
* Returns input stream to either regular file or zip file entry
*/
public InputStream getInputStream() throws IOException {
if (file != null) {
return new FileInputStream(file);
} else {
try {
return zipFile.getInputStream(zipEntry);
} catch (ZipException e) {
throw new IOException(e.getMessage());
}
}
}
/**
* Returns true if file exists.
*/
public boolean exists() {
return file != null ? file.exists() : true;
}
/**
* Returns true if this is a directory.
*/
public boolean isDirectory() {
return file != null ? file.isDirectory() :
zipEntry.getName().endsWith("/");
}
/**
* Return last modification time
*/
public long lastModified() {
return file != null ? file.lastModified() : zipEntry.getTime();
}
/**
* Get file path. The path for a zip file entry will also include
* the zip file name.
*/
public String getPath() {
if (file != null) {
return file.getPath();
} else {
return zipFile.getName() + "(" + zipEntry.getName() + ")";
}
}
/**
* Get name of file entry excluding directory name
*/
public String getName() {
return file != null ? file.getName() : zipEntry.getName();
}
//JCOV
/**
* Get absolute name of file entry
*/
public String getAbsoluteName() {
String absoluteName;
if (file != null) {
try {
absoluteName = file.getCanonicalPath();
} catch (IOException e) {
absoluteName = file.getAbsolutePath();
}
} else {
absoluteName = zipFile.getName() + "(" + zipEntry.getName() + ")";
}
return absoluteName;
}
// end JCOV
/**
* Get length of file
*/
public long length() {
return file != null ? file.length() : zipEntry.getSize();
}
public String toString() {
return (file != null) ? file.toString() : zipEntry.toString();
}
}