Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;
/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You 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.
 */

import java.io.PrintWriter;
import java.io.StringWriter;

public class Main {
    /**
     * Returns a stack trace of the {@code Throwable} as a {@code String}.
     * 
     * @param throwable
     *          The throwable for which to create the stack trace.
     * @param expectNull
     *          True if null should be returned when {@code throwable} is null or
     *          false to return "" when {@code throwable} is null
     * @return null if {@code throwable} is null and {@code expectNull} is true,
     *         "" if {@code throwable} is null and {@code expectNull} is false,
     *         otherwise the stack trace for {@code throwable}
     */
    public static String stackTraceToString(final Throwable throwable, final boolean expectNull) {
        if (throwable == null) {
            if (expectNull == true) {
                return null;
            }

            return "";
        }

        StringWriter stringWriter = new StringWriter();
        PrintWriter printWriter = new PrintWriter(stringWriter);
        throwable.printStackTrace(printWriter);
        printWriter.close();
        return stringWriter.toString();
    }
}