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package com.sun.enterprise.deployment.deploy.shared;
import java.io.*;
import java.util.*;
import java.util.jar.Manifest;
import java.util.zip.*;
import java.net.URI;
import com.sun.enterprise.deployment.util.DOLUtils;
/**
* Provides an implementation of the AbstractArchive that maps to
* a Jar file @see java.util.jar.JarFile
*
* @author Jerome Dochez
*/
public class OutputJarArchive extends AbstractArchive {
// the archiveUri
private String archiveUri;
// the file we are currently mapped to (if open for writing)
protected ZipOutputStream jos=null;
private Manifest manifest=null;
// list of entries already written to this ouput
private Vector entries = new Vector();
/**
* @return the archive uri
*/
public String getArchiveUri() {
return archiveUri;
}
/**
* Get the size of the archive
* @return -1 because this is getting created
*/
public long getArchiveSize() throws NullPointerException, SecurityException {
return -1;
}
/** close the abstract archive
*/
public void close() throws IOException {
if (jos!=null) {
jos.flush();
jos.finish();
jos.close();
jos=null;
}
}
/** creates a new abstract archive with the given path
* @param the path to create the archive
*/
public void create(String path) throws IOException {
archiveUri = path;
File file = new File(path);
// if teh file exists, we delete it first
if (file.exists()) {
file.delete();
}
FileOutputStream fos = new FileOutputStream(file);
BufferedOutputStream bos = new BufferedOutputStream(fos);
jos = new ZipOutputStream(bos);
}
/** @return an @see java.util.Enumeration of entries in this abstract
* archive
*/
public Enumeration entries() {
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) {
return entries();
}
/** @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 {
throw new UnsupportedOperationException("Cannot read from a JAR archive open for writing");
}
/** Open an abstract archive
* @param the path to the archive
*/
public void open(String path) throws IOException {
throw new UnsupportedOperationException("Cannot read jar files");
}
/** @return the manifest information for this abstract archive
*/
public Manifest getManifest() throws IOException {
if (manifest!=null) {
manifest = new Manifest();
}
return manifest;
}
public boolean exists() {
throw new UnsupportedOperationException("Cannot read from a JAR archive open for writing");
}
public boolean delete() {
throw new UnsupportedOperationException("Cannot read from a JAR archive open for writing");
}
public boolean renameTo(String name) {
throw new UnsupportedOperationException("Cannot read from a JAR archive open for writing");
}
public AbstractArchive getEmbeddedArchive(String name) throws IOException {
OutputStream os = putNextEntry(name);
ZipOutputStream jos = new ZipOutputStream(os);
OutputJarArchive ja = new OutputJarArchive();
ja.archiveUri = name;
ja.jos = jos;
return ja;
}
/** 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 {
if (os instanceof OutputJarArchive) {
((OutputJarArchive) os).jos.flush();
((OutputJarArchive) os).jos.finish();
}
jos.closeEntry();
}
/** @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 java.io.IOException {
if (jos!=null) {
ZipEntry ze = new ZipEntry(name);
jos.putNextEntry(ze);
entries.add(name);
}
return jos;
}
/**
* closes the current entry
*/
public void closeEntry() throws IOException {
if (jos!=null) {
jos.flush();
jos.closeEntry();
}
}
public java.net.URI getURI() {
try {
return ArchiveFactory.prepareArchiveURI(getArchiveUri());
} catch(java.net.URISyntaxException e) {
return null;
} catch (UnsupportedEncodingException uee) {
return null;
} catch (IOException ioe) {
return null;
}
}
}
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