/*
* RHQ Management Platform
* Copyright (C) 2005-2010 Red Hat, Inc.
* All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License, version 2, as
* published by the Free Software Foundation, and/or the GNU Lesser
* General Public License, version 2.1, also as published by the Free
* Software Foundation.
*
* 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 and the GNU Lesser General Public License
* for more details.
*
* You should have received a copy of the GNU General Public License
* and the GNU Lesser General Public License along with this program;
* if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
package org.rhq.core.pc.content;
import java.io.InputStream;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.rhq.core.clientapi.server.content.ContentServerService;
import org.rhq.core.clientapi.server.content.ContentServiceResponse;
import org.rhq.core.clientapi.server.content.RetrievePackageBitsRequest;
import org.rhq.core.domain.content.ContentRequestStatus;
import org.rhq.core.domain.content.transfer.ResourcePackageDetails;
import org.rhq.core.util.MessageDigestGenerator;
/**
* Runnable implementation to allow threaded requests to get a package content.
*
* @author Jason Dobies
*/
public class RetrieveContentBitsRunner implements Runnable {
private final Log log = LogFactory.getLog(RetrieveContentBitsRunner.class);
// Attributes --------------------------------------------
private ContentManager contentManager;
/**
* Request being handled by this instance.
*/
private RetrievePackageBitsRequest request;
// Constructors --------------------------------------------
public RetrieveContentBitsRunner(ContentManager contentManager, RetrievePackageBitsRequest request) {
this.contentManager = contentManager;
this.request = request;
}
// Runnable Implementation --------------------------------------------
public void run() {
// Create the response
ContentServiceResponse response = new ContentServiceResponse(request.getRequestId());
InputStream inputStream = null;
try {
// Perform the request on the plugin
inputStream = contentManager.performGetPackageBits(request.getResourceId(), request.getPackageDetails());
// If the input stream was gotten, we're successful. Otherwise, the call failed.
if (inputStream == null) {
response.setErrorMessage("Null input stream received from plugin");
response.setStatus(ContentRequestStatus.FAILURE);
} else {
response.setStatus(ContentRequestStatus.SUCCESS);
}
} catch (Throwable throwable) {
response.setErrorMessageFromThrowable(throwable);
response.setStatus(ContentRequestStatus.FAILURE);
}
// Notify the server that the request has been completed
ContentServerService serverService = contentManager.getContentServerService();
if (serverService != null) {
serverService.completeRetrievePackageBitsRequest(response, inputStream);
}
ResourcePackageDetails pkgDetails = request.getPackageDetails();
if ((pkgDetails != null) && ((pkgDetails.getSHA256() == null) || (pkgDetails.getSHA256().trim().length() == 0))) {
InputStream is;
try {
is = contentManager.performGetPackageBits(request.getResourceId(), request.getPackageDetails());
try {
pkgDetails.setSHA256(new MessageDigestGenerator(MessageDigestGenerator.SHA_256)
.calcDigestString(is));
} finally {
is.close();
}
} catch (Exception e) {
log.warn("Error calculating SHA256 [" + request.getRequestId() + "][" + request.getPackageDetails()
+ "]", e);
}
}
if ((pkgDetails != null) && ((pkgDetails.getMD5() == null) || (pkgDetails.getMD5().trim().length() == 0))) {
InputStream is;
try {
is = contentManager.performGetPackageBits(request.getResourceId(), request.getPackageDetails());
try {
pkgDetails.setMD5((new MessageDigestGenerator(MessageDigestGenerator.MD5).calcDigestString(is)));
} finally {
is.close();
}
} catch (Exception e) {
log.warn("Error calculating MD5 [" + request.getRequestId() + "][" + request.getPackageDetails()
+ "]", e);
}
}
}
}