org.ff4j.strategy.AbstractFlipStrategy Maven / Gradle / Ivy
package org.ff4j.strategy;
/*
* #%L
* ff4j-core
* %%
* Copyright (C) 2013 Ff4J
* %%
* 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.
* #L%
*/
import java.util.HashMap;
import java.util.Map;
import org.ff4j.core.FlippingStrategy;
import org.ff4j.utils.JsonUtils;
import org.ff4j.utils.MappingUtil;
/**
* Super class for {@link FlippingStrategy} implementation with utilities.
*
* @author Cedrick Lunven (@clunven)
*/
public abstract class AbstractFlipStrategy implements FlippingStrategy {
/** Serial. */
private static final long serialVersionUID = 8958769689574455621L;
/** Initial parameters. */
protected Map initParams = new HashMap();
/** ClassType. */
private final String type = getClass().getName();
/** {@inheritDoc} */
@Override
public void init(String featureName, Map initParam) {
this.initParams = initParam;
}
/** {@inheritDoc} */
@Override
public Map getInitParams() {
return this.initParams;
}
/**
* Check presence of expected parameter.
*
* @param paramName
* target parameter name
*/
public void assertRequiredParameter(String paramName) {
if (!initParams.containsKey(paramName)) {
String msg = String.format("Parameter '%s' is required for this FlippingStrategy", paramName);
throw new IllegalArgumentException(msg);
}
}
/** {@inheritDoc} */
@Override
public String toString() {
return this.getType() + "," + MappingUtil.fromMap(getInitParams());
}
/**
* Convert {@link FlippingStrategy} as Json.
*
* @return
* the relative string
*/
public String toJson() {
return JsonUtils.flippingStrategyAsJson(this);
}
/**
* Getter accessor for attribute 'classType'.
*
* @return current value of 'classType'
*/
public String getType() {
return type;
}
}