blob: 144c74de80d9c2e1f910c9aab7ad83b548d101b6 [file] [log] [blame]
// Copyright (C) 2011 The Android Open Source Project
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package com.google.gerrit.server.mail;
import com.google.gerrit.server.config.SitePaths;
import com.google.inject.Inject;
import com.google.inject.Provider;
import com.google.inject.ProvisionException;
import org.apache.velocity.runtime.RuntimeConstants;
import org.apache.velocity.runtime.RuntimeInstance;
import org.apache.velocity.runtime.RuntimeServices;
import org.apache.velocity.runtime.log.LogChute;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import java.util.Properties;
/** Configures Velocity template engine for sending email. */
public class VelocityRuntimeProvider implements Provider<RuntimeInstance> {
private final SitePaths site;
@Inject
VelocityRuntimeProvider(SitePaths site) {
this.site = site;
}
public RuntimeInstance get() {
String rl = "resource.loader";
String pkg = "org.apache.velocity.runtime.resource.loader";
Properties p = new Properties();
p.setProperty(RuntimeConstants.VM_PERM_INLINE_LOCAL, "true");
p.setProperty(RuntimeConstants.RUNTIME_LOG_LOGSYSTEM_CLASS,
Slf4jLogChute.class.getName());
p.setProperty("runtime.log.logsystem.log4j.category", "velocity");
if (site.mail_dir.isDirectory()) {
p.setProperty(rl, "file, class");
p.setProperty("file." + rl + ".class", pkg + ".FileResourceLoader");
p.setProperty("file." + rl + ".path", site.mail_dir.getAbsolutePath());
p.setProperty("class." + rl + ".class", pkg + ".ClasspathResourceLoader");
} else {
p.setProperty(rl, "class");
p.setProperty("class." + rl + ".class", pkg + ".ClasspathResourceLoader");
}
RuntimeInstance ri = new RuntimeInstance();
try {
ri.init(p);
} catch (Exception err) {
throw new ProvisionException("Cannot configure Velocity templates", err);
}
return ri;
}
/** Connects Velocity to sfl4j. */
public static class Slf4jLogChute implements LogChute {
private static final Logger log = LoggerFactory.getLogger("velocity");
@Override
public void init(RuntimeServices rs) {
}
@Override
public boolean isLevelEnabled(int level) {
switch (level) {
default:
case DEBUG_ID:
return log.isDebugEnabled();
case INFO_ID:
return log.isInfoEnabled();
case WARN_ID:
return log.isWarnEnabled();
case ERROR_ID:
return log.isErrorEnabled();
}
}
@Override
public void log(int level, String message) {
log(level, message, null);
}
@Override
public void log(int level, String msg, Throwable err) {
switch (level) {
default:
case DEBUG_ID:
log.debug(msg, err);
break;
case INFO_ID:
log.info(msg, err);
break;
case WARN_ID:
log.warn(msg, err);
break;
case ERROR_ID:
log.error(msg, err);
break;
}
}
}
}