/*
* RHQ Management Platform
* Copyright 2012, Red Hat Middleware LLC, 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 program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation version 2 of the License.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
package org.rhq.enterprise.clientapi;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.Reader;
import java.net.MalformedURLException;
import java.net.URI;
import java.net.URISyntaxException;
import java.net.URL;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.rhq.bindings.StandardBindings;
import org.rhq.bindings.client.RhqFacade;
import org.rhq.bindings.script.BaseRhqSchemeScriptSourceProvider;
import org.rhq.enterprise.communications.util.SecurityUtil;
/**
* @author Lukas Krejci
*/
public class RhqDownloadsScriptSourceProvider extends BaseRhqSchemeScriptSourceProvider implements
StandardBindings.RhqFacadeChangeListener {
private static final Log LOG = LogFactory.getLog(RhqDownloadsScriptSourceProvider.class);
private static final String AUTHORITY = "downloads";
private static final String URL_PATH_PREFIX = "/downloads/script-modules";
private RemoteClient remoteClient;
public RhqDownloadsScriptSourceProvider() {
super(AUTHORITY);
}
@Override
public void rhqFacadeChanged(StandardBindings bindings) {
RhqFacade facade = bindings.getAssociatedRhqFacade();
if (facade instanceof RemoteClient) {
remoteClient = (RemoteClient) facade;
} else {
remoteClient = null;
}
}
@Override
protected Reader doGetScriptSource(URI scriptUri) {
if (remoteClient == null) {
return null;
}
String path = scriptUri.getPath();
URI remoteUri = remoteClient.getRemoteURI().resolve(URL_PATH_PREFIX + path);
String replacementScheme = SecurityUtil.isTransportSecure(remoteUri.getScheme()) ? "https" : "http";
try {
remoteUri = new URI(replacementScheme, remoteUri.getAuthority(), remoteUri.getPath(), remoteUri.getQuery(), remoteUri.getFragment());
} catch (URISyntaxException e) {
LOG.error("Failed to copy the RHQ server download URI: " + remoteUri + " to the " + replacementScheme + " scheme.");
}
try {
URL downloadUrl = remoteUri.toURL();
return new InputStreamReader(downloadUrl.openStream());
} catch (MalformedURLException e) {
LOG.debug("Failed to download the script from the RHQ server using URL: " + remoteUri, e);
} catch (IOException e) {
LOG.debug("Failed to download the script from the RHQ server using URL: " + remoteUri, e);
}
return null;
}
}