com.vectorprint.configuration.binding.parameters.ParameterHelper Maven / Gradle / Ivy
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package com.vectorprint.configuration.binding.parameters;
/*
* #%L
* VectorPrintConfig
* %%
* Copyright (C) 2011 - 2013 VectorPrint
* %%
* 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 com.vectorprint.configuration.EnhancedMap;
import com.vectorprint.configuration.parameters.Parameterizable;
import java.util.Arrays;
import java.util.logging.Level;
import java.util.logging.Logger;
/**
*
* @author Eduard Drenth at VectorPrint.nl
*/
public class ParameterHelper {
private static final Logger log = Logger.getLogger(ParameterHelper.class.getName());
public enum SUFFIX {set_default, set_value}
/**
* looks for a default value for a key based on the simpleName of a class suffixed by .key and .suffix. This method
* will traverse all Parameterizable superclasses in search of a default.
* @param key the key to find
* @param clazz
* @param settings
* @param suffix
* @return the key pointing to default setting or null
*/
public static String findKey(String key, Class clazz, EnhancedMap settings, SUFFIX suffix) {
String simpleName = clazz.getSimpleName() + "." + key + "." + suffix;
while (!settings.containsKey(simpleName)) {
Class c = clazz.getSuperclass();
if (!Parameterizable.class.isAssignableFrom(c)) {
return null;
}
clazz=c;
if (clazz == null) {
return null;
}
simpleName = clazz.getSimpleName() + "." + key + "." + suffix;
}
if (log.isLoggable(Level.FINE)) {
log.fine("found default " + simpleName + ": " + Arrays.toString(settings.get(simpleName)));
}
return simpleName;
}
/**
* compares two arrays
* @param o
* @param p
* @return the boolean
*/
}