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/*
* Copyright © 2018 European Support Limited
*
* 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.
*/
package org.openecomp.sdc.heat.datatypes;
import java.util.HashSet;
import java.util.Set;
import org.openecomp.sdc.common.errors.CoreException;
import org.openecomp.sdc.common.errors.ErrorCategory;
import org.openecomp.sdc.common.errors.ErrorCode;
import org.openecomp.sdc.heat.services.ErrorCodes;
import org.openecomp.sdc.logging.api.Logger;
import org.openecomp.sdc.logging.api.LoggerFactory;
public class HeatBoolean {
private static Set<Object> heatFalse;
private static Set<Object> heatTrue;
private static final Logger LOG = LoggerFactory.getLogger(HeatBoolean.class.getName());
private HeatBoolean() {
//Utility classes, which are a collection of static members, are not meant to be instantiated
}
static {
heatFalse = new HashSet<>();
heatFalse.add("f");
heatFalse.add(false);
heatFalse.add("false");
heatFalse.add("off");
heatFalse.add("n");
heatFalse.add("no");
heatFalse.add(0);
heatTrue = new HashSet<>();
heatTrue.add("t");
heatTrue.add(true);
heatTrue.add("true");
heatTrue.add("on");
heatTrue.add("y");
heatTrue.add("yes");
heatTrue.add(1);
}
/**
* Eval boolean.
*
* @param value the value
* @return the boolean
*/
public static Boolean eval(Object value) {
if (value instanceof String) {
value = ((String) value).toLowerCase();
}
if (heatFalse.contains(value)) {
return false;
} else if (heatTrue.contains(value)) {
return true;
} else {
throw new CoreException((new ErrorCode.ErrorCodeBuilder()).withId(ErrorCodes.INVALID_BOOLEAN)
.withCategory(ErrorCategory.APPLICATION)
.withMessage("Invalid boolean value [" + value + "].").build());
}
}
/**
* Is value boolean boolean.
*
* @param value the value
* @return the boolean
*/
public static boolean isValueBoolean(Object value) {
try {
eval(value);
return true;
} catch (CoreException ce) {
LOG.error("Failed to evaluate value as boolean: {}", value, ce);
return false;
}
}
}
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