oracle.toplink.essentials.ejb.cmp3.persistence.DirectoryArchive Maven / Gradle / Ivy
/*
* The contents of this file are subject to the terms
* of the Common Development and Distribution License
* (the "License"). You may not use this file except
* in compliance with the License.
*
* You can obtain a copy of the license at
* glassfish/bootstrap/legal/CDDLv1.0.txt or
* https://glassfish.dev.java.net/public/CDDLv1.0.html.
* See the License for the specific language governing
* permissions and limitations under the License.
*
* When distributing Covered Code, include this CDDL
* HEADER in each file and include the License file at
* glassfish/bootstrap/legal/CDDLv1.0.txt. If applicable,
* add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your
* own identifying information: Portions Copyright [yyyy]
* [name of copyright owner]
*
* Copyright 2006 Sun Microsystems, Inc. All rights reserved.
*/
package oracle.toplink.essentials.ejb.cmp3.persistence;
import java.io.*;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;
import java.util.logging.Logger;
import java.util.logging.Level;
import java.net.URL;
import java.net.MalformedURLException;
/**
* This is an implementation of {@link Archive} when container returns a file:
* url that refers to a directory that contains an exploded jar file.
* e.g. file:/tmp/a_ear/ejb_jar
*
* @author [email protected]
*/
public class DirectoryArchive implements Archive {
/*
* Implementation Note: This class does not have any dependency on TopLink
* or GlassFish implementation classes. Please retain this searation.
*/
/**
* The directory this archive represents.
*/
private File directory;
/**
* The URL representation of this archive.
*/
private URL rootURL;
/**
* The file entries that this archive contains.
*/
private List entries = new ArrayList();
private Logger logger;
public DirectoryArchive(File directory) throws MalformedURLException {
this(directory, Logger.global);
}
public DirectoryArchive(File directory, Logger logger)
throws MalformedURLException {
logger.entering("DirectoryArchive", "DirectoryArchive",
new Object[]{directory});
this.logger = logger;
if (!directory.isDirectory()) {
// should never reach here, hence the msg is not internationalized.
throw new IllegalArgumentException(directory +
" is not a directory." + // NOI18N
"If it is a jar file, then use JarFileArchive."); // NOI18N
}
this.directory = directory;
rootURL = directory.toURI().toURL();
logger.logp(Level.FINER, "DirectoryArchive", "DirectoryArchive",
"rootURL = {0}", rootURL);
init(this.directory, this.directory); // initialize entries
}
private void init(File top, File directory) {
File[] dirFiles = directory.listFiles();
for (File file : dirFiles) {
if (file.isDirectory()) {
continue; // exclude dir entries
}
// add only the relative path from the top.
// note: we use unix style path
String entryName = file.getPath().replace(File.separator, "/") // NOI18N
.substring(top.getPath().length() + 1);
entries.add(entryName);
}
File[] subDirs = directory.listFiles(new FileFilter() {
public boolean accept(File pathname) {
return pathname.isDirectory();
}
});
for (File subDir : subDirs) {
init(top, subDir); // recursion
}
}
public Iterator getEntries() {
return entries.iterator();
}
public InputStream getEntry(String entryPath) throws IOException {
File f = getFile(entryPath);
InputStream is = f.exists() ? new FileInputStream(f) : null;
return is;
}
public URL getEntryAsURL(String entryPath) throws IOException {
File f = getFile(entryPath);
URL url = f.exists() ? f.toURI().toURL() : null;
return url;
}
public URL getRootURL() {
return rootURL;
}
private File getFile(String entryPath) {
File f = new File(directory, entryPath);
return f;
}
}