package org.wildfly.swarm.container.runtime.wildfly;
/*
* JBoss, Home of Professional Open Source.
* Copyright 2011, Red Hat, Inc., and individual contributors
* as indicated by the @author tags. See the copyright.txt file in the
* distribution for a full listing of individual contributors.
*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* This software 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
import java.io.BufferedInputStream;
import java.io.File;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.nio.file.Files;
import java.nio.file.Path;
import java.security.DigestOutputStream;
import java.security.MessageDigest;
import java.security.NoSuchAlgorithmException;
import java.util.Collections;
import java.util.HashMap;
import java.util.Map;
import java.util.Set;
import javax.enterprise.context.ApplicationScoped;
import org.jboss.as.repository.ContentReference;
import org.jboss.as.repository.ContentRepository;
import org.jboss.msc.service.Service;
import org.jboss.msc.service.ServiceController;
import org.jboss.msc.service.ServiceTarget;
import org.jboss.msc.service.StartContext;
import org.jboss.msc.service.StartException;
import org.jboss.msc.service.StopContext;
import org.jboss.vfs.VFS;
import org.jboss.vfs.VirtualFile;
/**
* A content-repository capable of providing a static bit of content.
*
* @author Bob McWhirter
* @see org.jboss.as.selfcontained.ContentProvider
*/
@ApplicationScoped
public class SwarmContentRepository implements ContentRepository, Service<ContentRepository> {
private Map<String, Path> index = new HashMap<>();
/**
* Install the service.
*/
public static void addService(ServiceTarget serviceTarget, SwarmContentRepository repository) {
serviceTarget.addService(SERVICE_NAME, repository)
.setInitialMode(ServiceController.Mode.ACTIVE)
.install();
}
@Override
public byte[] addContent(InputStream stream) throws IOException {
try {
MessageDigest messageDigest = MessageDigest.getInstance("SHA-1");
byte[] sha1Bytes;
Path tmp = File.createTempFile("content", ".tmp").toPath();
try (OutputStream fos = Files.newOutputStream(tmp)) {
messageDigest.reset();
DigestOutputStream dos = new DigestOutputStream(fos, messageDigest);
BufferedInputStream bis = new BufferedInputStream(stream);
byte[] bytes = new byte[8192];
int read;
while ((read = bis.read(bytes)) > -1) {
dos.write(bytes, 0, read);
}
fos.flush();
sha1Bytes = messageDigest.digest();
}
String key = toKey(sha1Bytes);
this.index.put(key, tmp);
return sha1Bytes;
} catch (NoSuchAlgorithmException e) {
throw new IOException(e);
}
}
@Override
public void addContentReference(ContentReference contentReference) {
}
@Override
public VirtualFile getContent(byte[] sha1Bytes) {
String key = toKey(sha1Bytes);
VirtualFile result = VFS.getChild(this.index.get(key).toUri());
return result;
}
@Override
public boolean hasContent(byte[] sha1Bytes) {
String key = toKey(sha1Bytes);
boolean result = this.index.containsKey(key);
return result;
}
public static String toKey(byte[] hash) {
StringBuilder str = new StringBuilder();
for (int i = 0; i < hash.length; ++i) {
int bit = Math.abs(hash[i]);
str.append(Integer.toHexString(bit));
}
return str.toString();
}
@Override
public boolean syncContent(ContentReference contentReference) {
return true;
}
@Override
public void removeContent(ContentReference contentReference) {
}
@Override
public Map<String, Set<String>> cleanObsoleteContent() {
HashMap<String, Set<String>> result = new HashMap<>();
result.put(ContentRepository.MARKED_CONTENT, Collections.emptySet());
result.put(ContentRepository.DELETED_CONTENT, Collections.emptySet());
return result;
}
@Override
public void start(StartContext startContext) throws StartException {
}
@Override
public void stop(StopContext stopContext) {
}
@Override
public ContentRepository getValue() throws IllegalStateException, IllegalArgumentException {
return this;
}
}