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/*******************************************************************************
* ============LICENSE_START====================================================
* * org.onap.aaf
* * ===========================================================================
* * Copyright © 2017 AT&T Intellectual Property. All rights reserved.
* * ===========================================================================
* * 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.
* * ============LICENSE_END====================================================
* *
* * ECOMP is a trademark and service mark of AT&T Intellectual Property.
* *
******************************************************************************/
package com.att.cadi.config;
import java.lang.reflect.Method;
import com.att.cadi.Access;
import com.att.cadi.Access.Level;
public interface Get {
public String get(String name, String def, boolean print);
/**
* A class for Getting info out of "JavaBean" format
*
*/
public static class Bean implements Get {
private Object bean;
private Class<?> bc;
private Class<?>[] params;
private Object[] args;
public Bean(Object bean) {
this.bean = bean;
bc = bean.getClass();
params = new Class<?>[0]; // note, this will allow to go out of scope after config
args = new Object[0];
}
public String get(String name, String def, boolean print) {
String str = null;
String gname = "get"+Character.toUpperCase(name.charAt(0))+name.substring(1);
try {
Method meth = bc.getMethod(gname, params);
Object obj = meth.invoke(bean, args);
str = obj==null?null:obj.toString(); // easy string convert...
} catch (Exception e) {
}
// Take def if nothing else
if(str==null) {
str = def;
// don't log defaults
} else {
str = str.trim(); // this is vital in Property File based values, as spaces can hide easily
}
// Note: Can't log during configuration
return str;
}
}
public static Get NULL = new Get() {
public String get(String name, String def, boolean print) {
return def;
}
};
public static class AccessGet implements Get {
private Access access;
public AccessGet(Access access) {
this.access = access;
}
public String get(String name, String def, boolean print) {
String gotten = access.getProperty(name, def);
if(print) {
if(gotten == null) {
access.log(Level.INIT,name, "is not set");
} else {
access.log(Level.INIT,name, "is set to", gotten);
}
}
return gotten;
}
}
}
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