/*
* 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.clientapi.agent.upgrade;
import java.io.PrintWriter;
import java.io.StringWriter;
import org.rhq.core.domain.resource.Resource;
import org.rhq.core.domain.resource.ResourceUpgradeReport;
/**
* Represents a request to upgrade a resource.
*
* @author Lukas Krejci
*/
public class ResourceUpgradeRequest extends ResourceUpgradeReport {
private static final long serialVersionUID = 1L;
private final int resourceId;
private String upgradeErrorMessage;
private String upgradeErrorStackTrace;
private long timestamp;
public ResourceUpgradeRequest(int resourceId) {
this.resourceId = resourceId;
}
public ResourceUpgradeRequest(int resourceId, ResourceUpgradeReport report) {
this.resourceId = resourceId;
fillInFromReport(report);
}
public int getResourceId() {
return resourceId;
}
public String getUpgradeErrorMessage() {
return upgradeErrorMessage;
}
public void setUpgradeErrorMessage(String upgradeErrorMessage) {
this.upgradeErrorMessage = upgradeErrorMessage;
}
public String getUpgradeErrorStackTrace() {
return upgradeErrorStackTrace;
}
public void setUpgradeErrorStackTrace(String upgradeErrorStackTrace) {
this.upgradeErrorStackTrace = upgradeErrorStackTrace;
}
public long getTimestamp() {
return timestamp;
}
public void setTimestamp(long timestamp) {
this.timestamp = timestamp;
}
public void setErrorProperties(Throwable t) {
upgradeErrorMessage = null;
upgradeErrorStackTrace = null;
//first try to extract an error message from the exception
//or some of its parents
Throwable p = t;
while (upgradeErrorMessage == null && p != null) {
upgradeErrorMessage = p.getMessage();
if (upgradeErrorMessage == null) {
upgradeErrorMessage = p.getLocalizedMessage();
}
p = p.getCause();
}
//ok, we have no error messages. But we have to supply something
//as the message, so let's use the class name as a last resort.
if (upgradeErrorMessage == null) {
if (t.getClass().getCanonicalName() != null) {
upgradeErrorMessage = t.getClass().getCanonicalName();
} else if (t.getClass().getName() != null) {
upgradeErrorMessage = t.getClass().getName();
}
}
//print the stack trace into a string
StringWriter string = new StringWriter();
PrintWriter w = new PrintWriter(string);
t.printStackTrace(w);
w.close();
upgradeErrorStackTrace = string.toString();
}
public void fillInFromReport(ResourceUpgradeReport report) {
setNewDescription(report.getNewDescription());
setNewName(report.getNewName());
setNewResourceKey(report.getNewResourceKey());
setNewPluginConfiguration(report.getNewPluginConfiguration());
setNewVersion(report.getNewVersion());
setForceGenericPropertyUpgrade(report.isForceGenericPropertyUpgrade());
}
public void fillInFromResource(Resource resource) {
setNewDescription(resource.getDescription());
setNewName(resource.getName());
setNewResourceKey(resource.getResourceKey());
setNewPluginConfiguration(resource.getPluginConfiguration());
setNewVersion(resource.getVersion());
}
public void updateResource(Resource resource) {
if (getNewResourceKey() != null) {
resource.setResourceKey(getNewResourceKey());
}
if (getNewName() != null) {
resource.setName(getNewName());
}
if (getNewDescription() != null) {
resource.setDescription(getNewDescription());
}
if (getNewPluginConfiguration() != null) {
resource.setPluginConfiguration(getNewPluginConfiguration());
}
if (getNewVersion() != null) {
resource.setVersion(getNewVersion());
}
}
/**
* Clears all the data to be upgraded apart from the error message, stacktrace and timestamp
*/
public void clearUpgradeData() {
setNewDescription(null);
setNewName(null);
setNewResourceKey(null);
setNewPluginConfiguration(null);
setNewVersion(null);
setForceGenericPropertyUpgrade(false);
}
@Override
public boolean hasSomethingToUpgrade() {
return super.hasSomethingToUpgrade() || upgradeErrorMessage != null || upgradeErrorStackTrace != null;
}
@Override
public int hashCode() {
return 31 * resourceId;
}
@Override
public boolean equals(Object other) {
if (other == this) {
return true;
}
if (!(other instanceof ResourceUpgradeRequest)) {
return false;
}
ResourceUpgradeRequest r = (ResourceUpgradeRequest) other;
return r.getResourceId() == resourceId;
}
@Override
public String toString() {
return "ResourceUpgradeRequest [resourceId=" + resourceId + ", upgradeErrorMessage=" + upgradeErrorMessage
+ ", upgradeErrorStackTrace=" + upgradeErrorStackTrace + ", timestamp=" + timestamp + ", toString()="
+ super.toString() + "]";
}
}