org.killbill.billing.util.PluginProperties Maven / Gradle / Ivy
/*
* Copyright 2016 Groupon, Inc
* Copyright 2016 The Billing Project, LLC
*
* The Billing Project licenses this file to you 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 org.killbill.billing.util;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import javax.annotation.Nullable;
import org.killbill.billing.payment.api.PluginProperty;
import com.google.common.collect.ImmutableList;
public abstract class PluginProperties {
// Last one has precedence
public static Iterable merge(final Iterable... propertiesLists) {
return buildPluginProperties(toMap(propertiesLists));
}
// Last one has precedence
public static Map toMap(final Iterable... propertiesLists) {
final Map mergedProperties = new HashMap();
for (final Iterable propertiesList : propertiesLists) {
for (final PluginProperty pluginProperty : propertiesList) {
if (pluginProperty.getKey() != null) {
mergedProperties.put(pluginProperty.getKey(), pluginProperty.getValue());
}
}
}
return mergedProperties;
}
public static List buildPluginProperties(@Nullable final Map data) {
final ImmutableList.Builder propertiesBuilder = ImmutableList.builder();
if (data != null) {
for (final String key : data.keySet()) {
final PluginProperty property = new PluginProperty(key, data.get(key), false);
propertiesBuilder.add(property);
}
}
return propertiesBuilder.build();
}
}