com.ning.http.util.MiscUtils Maven / Gradle / Ivy
/*
* Copyright (c) 2014 AsyncHttpClient Project. All rights reserved.
*
* This program is licensed to you under the Apache License Version 2.0,
* and you may not use this file except in compliance with the Apache License Version 2.0.
* You may obtain a copy of the Apache License Version 2.0 at
* http://www.apache.org/licenses/LICENSE-2.0.
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the Apache License Version 2.0 is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the Apache License Version 2.0 for the specific language governing permissions and limitations there under.
*/
package com.ning.http.util;
import java.io.Closeable;
import java.io.IOException;
import java.util.Collection;
import java.util.Map;
public final class MiscUtils {
private MiscUtils() {
}
public static boolean isNonEmpty(String string) {
return string != null && string.length() != 0;
}
public static boolean isNonEmpty(Object[] array) {
return array != null && array.length != 0;
}
public static boolean isNonEmpty(byte[] array) {
return array != null && array.length != 0;
}
public static boolean isNonEmpty(Collection collection) {
return collection != null && !collection.isEmpty();
}
public static boolean isNonEmpty(Map map) {
return map != null && !map.isEmpty();
}
public static boolean getBoolean(String systemPropName, boolean defaultValue) {
String systemPropValue = System.getProperty(systemPropName);
return systemPropValue != null ? systemPropValue.equalsIgnoreCase("true") : defaultValue;
}
public static void closeSilently(Closeable closeable) {
if(closeable != null) {
try {
closeable.close();
} catch (IOException ioe) {
// Ignored
}
}
}
public static IOException buildStaticException(String message) {
IOException ioe = new IOException(message);
ioe.setStackTrace(new StackTraceElement[] {});
return ioe;
}
}