
com.proofpoint.configuration.ConfigurationProvider Maven / Gradle / Ivy
/*
* Copyright 2010 Proofpoint, Inc.
*
* 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.proofpoint.configuration;
import com.google.common.base.Preconditions;
import com.google.inject.Inject;
import com.google.inject.Key;
import java.util.Objects;
public class ConfigurationProvider implements ConfigurationAwareProvider
{
private final Key key;
private final Class configClass;
private final String prefix;
private ConfigurationFactory configurationFactory;
private WarningsMonitor warningsMonitor;
public ConfigurationProvider(Key key, Class configClass, String prefix)
{
Preconditions.checkNotNull(key, "key");
Preconditions.checkNotNull(configClass, "configClass");
this.key = key;
this.configClass = configClass;
this.prefix = prefix;
}
@Override
@Inject
public void setConfigurationFactory(ConfigurationFactory configurationFactory)
{
this.configurationFactory = configurationFactory;
}
@Override
@Inject(optional = true)
public void setWarningsMonitor(WarningsMonitor warningsMonitor)
{
this.warningsMonitor = warningsMonitor;
}
public Key getKey()
{
return key;
}
public Class getConfigClass()
{
return configClass;
}
public String getPrefix()
{
return prefix;
}
public ConfigurationMetadata getConfigurationMetadata() {
return ConfigurationMetadata.getConfigurationMetadata(configClass);
}
@Override
public T get()
{
Preconditions.checkNotNull(configurationFactory, "configurationFactory");
return configurationFactory.build(this, warningsMonitor);
}
T getDefaults()
{
Preconditions.checkNotNull(configurationFactory, "configurationFactory");
return configurationFactory.buildDefaults(this);
}
@Override
public int hashCode()
{
return Objects.hash(configClass, prefix);
}
@Override
public boolean equals(Object obj)
{
if (this == obj) {
return true;
}
if (obj == null || getClass() != obj.getClass()) {
return false;
}
final ConfigurationProvider other = (ConfigurationProvider) obj;
return Objects.equals(this.configClass, other.configClass) && Objects.equals(this.prefix, other.prefix);
}
}
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