/*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
*
* Copyright 1997-2007 Sun Microsystems, Inc. All rights reserved.
*
* The contents of this file are subject to the terms of either the GNU
* General Public License Version 2 only ("GPL") or the Common Development
* and Distribution License("CDDL") (collectively, the "License"). You
* may not use this file except in compliance with the License. You can obtain
* a copy of the License at https://glassfish.dev.java.net/public/CDDL+GPL.html
* or glassfish/bootstrap/legal/LICENSE.txt. See the License for the specific
* language governing permissions and limitations under the License.
*
* When distributing the software, include this License Header Notice in each
* file and include the License file at glassfish/bootstrap/legal/LICENSE.txt.
* Sun designates this particular file as subject to the "Classpath" exception
* as provided by Sun in the GPL Version 2 section of the License file that
* accompanied this code. If applicable, add the following below the License
* Header, with the fields enclosed by brackets [] replaced by your own
* identifying information: "Portions Copyrighted [year]
* [name of copyright owner]"
*
* Contributor(s):
*
* If you wish your version of this file to be governed by only the CDDL or
* only the GPL Version 2, indicate your decision by adding "[Contributor]
* elects to include this software in this distribution under the [CDDL or GPL
* Version 2] license." If you don't indicate a single choice of license, a
* recipient has the option to distribute your version of this file under
* either the CDDL, the GPL Version 2 or to extend the choice of license to
* its licensees as provided above. However, if you add GPL Version 2 code
* and therefore, elected the GPL Version 2 license, then the option applies
* only if the new code is made subject to such option by the copyright
* holder.
*/
/*
* MemoryMappedArchive.java
*
* Created on September 6, 2002, 2:58 PM
*/
package com.sun.enterprise.deployment.deploy.shared;
import java.io.InputStream;
import java.io.OutputStream;
import java.io.IOException;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.BufferedInputStream;
import java.io.BufferedOutputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.net.URI;
import java.util.Vector;
import java.util.Enumeration;
import java.util.jar.Manifest;
import java.util.zip.ZipEntry;
import java.util.jar.JarInputStream;
import java.util.jar.JarOutputStream;
import com.sun.enterprise.deployment.deploy.shared.AbstractArchive;
import com.sun.enterprise.util.shared.ArchivistUtils;
/**
*
* @author Jerome Dochez
*/
public class MemoryMappedArchive extends AbstractArchive {
byte[] file;
/** Creates a new instance of MemoryMappedArchive */
protected MemoryMappedArchive() {
// for use by subclasses
}
/** Creates a new instance of MemoryMappedArchive */
public MemoryMappedArchive(InputStream is) throws IOException {
read(is);
}
public byte[] getByteArray() {
return file;
}
private void read(InputStream is) throws IOException{
ByteArrayOutputStream baos = new ByteArrayOutputStream();
ArchivistUtils.copy(new BufferedInputStream(is), new BufferedOutputStream(baos));
file = baos.toByteArray();
}
public void open(String path) throws IOException {
File in = new File(path);
if (!in.exists()) {
throw new FileNotFoundException(path);
}
FileInputStream is = new FileInputStream(in);
read(is);
}
// copy constructor
public MemoryMappedArchive(AbstractArchive source) throws IOException {
ByteArrayOutputStream baos = new ByteArrayOutputStream();
JarOutputStream jos = new JarOutputStream(new BufferedOutputStream(baos));
for (Enumeration elements = source.entries();elements.hasMoreElements();) {
String elementName = (String) elements.nextElement();
InputStream is = source.getEntry(elementName);
jos.putNextEntry(new ZipEntry(elementName));
ArchivistUtils.copyWithoutClose(is, jos);
is.close();
jos.flush();
jos.closeEntry();
}
jos.close();
file = baos.toByteArray();
}
/**
* @returns an @see java.io.OutputStream for a new entry in this
* current abstract archive.
* @param the entry name
*/
public OutputStream putNextEntry(String name) throws IOException {
return null;
}
/**
* close the abstract archive
*/
public void close() throws IOException {
}
/**
* close a previously returned @see java.io.OutputStream returned
* by an addEntry call
*
* @param the output stream to close
*/
public void closeEntry(AbstractArchive os) throws IOException {
}
/**
* close a previously returned @see java.io.OutputStream returned
* by an addEntry call
*/
public void closeEntry() throws IOException {
}
/**
* delete the archive
*/
public boolean delete() {
return false;
}
/**
* @return an @see java.util.Enumeration of entries in this abstract
* archive
*/
public Enumeration entries() {
Vector entries = new Vector();
try {
JarInputStream jis = new JarInputStream(new ByteArrayInputStream(file));
ZipEntry ze;
while ((ze=jis.getNextEntry())!=null) {
entries.add(ze.getName());
}
jis.close();
} catch(IOException ioe) {
ioe.printStackTrace();
}
return entries.elements();
}
/**
* @return an @see java.util.Enumeration of entries in this abstract
* archive, providing the list of embedded archive to not count their
* entries as part of this archive
*/
public Enumeration entries(Enumeration embeddedArchives) {
// jar file are not recursive
return entries();
}
/**
* @return true if this archive exists
*/
public boolean exists() {
return false;
}
/**
* @return the archive uri
*/
public String getArchiveUri() {
return null;
}
/**
* Get the size of the archive
* @return tje the size of this archive or -1 on error
*/
public long getArchiveSize() throws NullPointerException, SecurityException {
return(file.length);
}
public URI getURI() {
return null;
}
/**
* create or obtain an embedded archive within this abstraction.
*
* @param the name of the embedded archive.
*/
public AbstractArchive getEmbeddedArchive(String name) throws IOException {
InputStream is = getEntry(name);
if (is!=null) {
AbstractArchive archive = new MemoryMappedArchive(is);
is.close();
return archive;
}
return null;
}
/**
* @return a @see java.io.InputStream for an existing entry in
* the current abstract archive
* @param the entry name
*/
public InputStream getEntry(String name) throws IOException {
JarInputStream jis = new JarInputStream(new ByteArrayInputStream(file));
ZipEntry ze;
while ((ze=jis.getNextEntry())!=null) {
if (ze.getName().equals(name))
return new BufferedInputStream(jis);
}
return null;
}
/**
* @return the manifest information for this abstract archive
*/
public Manifest getManifest() throws IOException {
JarInputStream jis = new JarInputStream(new ByteArrayInputStream(file));
Manifest m = jis.getManifest();
jis.close();
return m;
}
/**
* rename the archive
*
* @param name the archive name
*/
public boolean renameTo(String name) {
return false;
}
}
|
