/*
* Copyright (c) 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017 David Berkman
*
* This file is part of the SmallMind Code Project.
*
* The SmallMind Code Project is free software, you can redistribute
* it and/or modify it under either, at your discretion...
*
* 1) The terms of GNU Affero General Public License as published by the
* Free Software Foundation, either version 3 of the License, or (at
* your option) any later version.
*
* ...or...
*
* 2) The terms of the Apache License, Version 2.0.
*
* The SmallMind Code Project is distributed in the hope that it will
* be useful, but WITHOUT ANY WARRANTY; without even the implied warranty
* of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License or Apache License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* and the Apache License along with the SmallMind Code Project. If not, see
* <http://www.gnu.org/licenses/> or <http://www.apache.org/licenses/LICENSE-2.0>.
*
* Additional permission under the GNU Affero GPL version 3 section 7
* ------------------------------------------------------------------
* If you modify this Program, or any covered work, by linking or
* combining it with other code, such other code is not for that reason
* alone subject to any of the requirements of the GNU Affero GPL
* version 3.
*/
package org.smallmind.nutsnbolts.spring;
import java.util.Set;
import org.smallmind.nutsnbolts.util.None;
import org.smallmind.nutsnbolts.util.Option;
import org.smallmind.nutsnbolts.util.Some;
public class SpringPropertyAccessor {
PropertyPlaceholderStringValueResolver stringValueResolver;
private final Set<String> keySet;
public SpringPropertyAccessor (PropertyPlaceholderStringValueResolver stringValueResolver) {
this.stringValueResolver = stringValueResolver;
keySet = stringValueResolver.getKeySet();
}
public Set<String> getKeySet () {
return keySet;
}
public String asString (String key) {
if (!keySet.contains(key)) {
return null;
}
return stringValueResolver.resolveStringValue("${" + key + "}");
}
public Option<Boolean> asBoolean (String key) {
String stringValue;
if ((stringValue = asString(key)) == null) {
return None.none();
}
return new Some<>(Boolean.parseBoolean(stringValue));
}
public Option<Long> asLong (String key) {
String stringValue;
if ((stringValue = asString(key)) == null) {
return None.none();
}
try {
return new Some<>(Long.parseLong(stringValue));
}
catch (NumberFormatException numberFormatException) {
throw new RuntimeBeansException("The value of key(%s) must interpolate as an long(%s)", key, stringValue);
}
}
public Option<Integer> asInt (String key) {
String stringValue;
if ((stringValue = asString(key)) == null) {
return None.none();
}
try {
return new Some<>(Integer.parseInt(stringValue));
}
catch (NumberFormatException numberFormatException) {
throw new RuntimeBeansException("The value of key(%s) must interpolate as an int(%s)", key, stringValue);
}
}
}