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/*
 * Copyright (c) 2008-2022, Hazelcast, Inc. All Rights Reserved.
 *
 * 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 com.hazelcast.commandline;

import com.hazelcast.internal.util.StringUtil;
import picocli.CommandLine;

import java.io.PrintWriter;

/**
 * Exception handler for processing the tool & Hazelcast related errors
 */
class ExceptionHandler
        implements CommandLine.IExecutionExceptionHandler {
    @Override
    public int handleExecutionException(Exception ex, CommandLine commandLine, CommandLine.ParseResult parseResult) {
        PrintWriter err = commandLine.getErr();
        CommandLine.Help.ColorScheme colorScheme = commandLine.getColorScheme();
        if (!StringUtil.isNullOrEmpty(ex.getMessage())) {
            err.println(colorScheme.errorText(ex.getMessage()));
        } else {
            ex.printStackTrace(err);
        }
        commandLine.usage(err, colorScheme);
        return 0;
    }
}