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*/
package com.sun.enterprise.deployment.deploy.shared;
import java.io.IOException;
import java.net.URI;
import java.net.MalformedURLException;
import java.io.File;
/**
* This implementation of the AbstractArchiveFactory interface
* is capable of creating the right abstraction of the Archive
* interface depending on the protocol used in the URL.
*
* @author Jerome Dochez
*/
public class ArchiveFactory implements AbstractArchiveFactory {
/** Creates a new instance of ArchiveFactory */
public ArchiveFactory() {
}
public AbstractArchive createArchive(String path) throws java.io.IOException {
try {
/*
*Use the expanded constructor so illegal characters (such as embedded blanks) in the path
*will be encoded.
*/
return createArchive(prepareArchiveURI(path));
} catch(java.net.URISyntaxException e) {
return null;
}
}
public AbstractArchive openArchive(String path) throws java.io.IOException {
try {
return openArchive(prepareArchiveURI(path));
} catch(java.net.URISyntaxException e) {
return null;
}
}
/**
* Creates a new archivist using the URL as the path. The URL
* protocol will define the type of desired archive (jar, file, etc)
* @param url to the archive
* @return the apropriate archive
*/
public AbstractArchive createArchive(URI path) throws IOException {
String protocol = path.getScheme();
if (protocol.equals("file")) {
FileArchive output = new FileArchive();
output.create(path.getPath());
return output;
} else
if (protocol.equals("jar")) {
OutputJarArchive ja = new OutputJarArchive();
ja.create(path.getPath());
return ja;
} else
throw new MalformedURLException("Protocol not supported : " + protocol);
}
/**
* Opens an existing archivist using the URL as the path.
* The URL protocol will defines the type of desired archive
* (jar, file, memory, etc...)
* @param url to the existing archive
* @return the appropriate archive
*/
public AbstractArchive openArchive(URI path) throws IOException {
String protocol = path.getScheme();
if (protocol.equals("file")) {
FileArchive input = new FileArchive();
input.open(path.getPath());
return input;
} else
if (protocol.equals("jar")) {
InputJarArchive ja = new InputJarArchive();
ja.open(path.getPath());
return ja;
} else
/* if (protocol.equals("mem")) {
MemoryMappedArchive mapped = new MemoryMappedArchive();
mapped.open(path.getPath());
return mapped;
}*/
throw new MalformedURLException("Protocol not supported : " + protocol);
}
/**
*Create a URI for the jar specified by the path string.
*<p>
*The steps used here correctly encode "illegal" characters - such as embedded blanks - in
*the path string that otherwise would render the URI unusable. The URI constructor that
*accepts just the path string does not perform this encoding.
*@param path string for the archive
*@return URI with any necessary encoding of special characters
*/
static java.net.URI prepareArchiveURI(String path) throws java.net.URISyntaxException, java.io.UnsupportedEncodingException, java.io.IOException {
File archiveFile = new File(path);
URI archiveURI = archiveFile.toURI();
String scheme = (archiveFile.isDirectory() ? "file" : "jar");
URI answer = new URI(scheme, null /* authority */, archiveURI.getPath(), null /* query */, null /* fragment */);
return answer;
}
}
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