org.semanticweb.elk.util.collections.Evictors Maven / Gradle / Ivy
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/*-
* #%L
* ELK Utilities Collections
* $Id:$
* $HeadURL:$
* %%
* Copyright (C) 2011 - 2017 Department of Computer Science, University of Oxford
* %%
* 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%
*/
package org.semanticweb.elk.util.collections;
public class Evictors {
private Evictors() {
// Forbid instantiation of an utility class.
}
static String[] parseArgs(final String value, final Class clazz,
final Integer argCount) throws IllegalArgumentException {
final String trimmed = value.trim();
final String argTuple;
if (trimmed.startsWith(clazz.getName())) {
argTuple = trimmed.substring(clazz.getName().length()).trim();
} else if (trimmed.startsWith(clazz.getSimpleName())) {
argTuple = trimmed.substring(clazz.getSimpleName().length()).trim();
} else {
throw new IllegalArgumentException(
"The value is not if this type! value: " + value);
}
if (!argTuple.startsWith("(") || !argTuple.endsWith(")")) {
throw new IllegalArgumentException(
"Error when parsing argument tuple! value: " + value);
}
final String[] args = argTuple.substring(1, argTuple.length() - 1)
.split(",");
if (argCount != null && args.length != argCount) {
throw new IllegalArgumentException(
"Expected " + argCount + " arguments, but got "
+ args.length + "! value: " + value);
}
return args;
}
}