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/*
* Copyright 2017 BOCO Corporation. CMCC Technologies Co., Ltd
*
* 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.onap.vfc.nfvo.emsdriver.commons.utils;
import java.io.File;
import java.io.PrintWriter;
import java.io.StringWriter;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
public class StringUtil {
private static final Log log = LogFactory.getLog(StringUtil.class);
public static String getStackTrace(Throwable t) {
try(
StringWriter sw = new StringWriter();
PrintWriter pw = new PrintWriter(sw)){
t.printStackTrace(pw);
pw.flush();
sw.flush();
return sw.getBuffer().toString();
} catch (Exception e) {
log.error("getStackTrace : ",e);
}
return null;
}
public static String addSlash(String dirName) {
if (dirName.endsWith(File.separator))
return dirName;
return dirName + File.separator;
}
public static boolean isBank(String str) {
return (str == null || str.trim().length() == 0);
}
}
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