/**
 * 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.
 */

package org.apache.cxf.tools.common.toolspec.parser;


import java.util.*;


public class BadUsageException extends Exception {
    public static final long serialVersionUID = 1L;
    private final String usage;
    private final ErrorVisitor errors;

    public BadUsageException() {
        this("(unknown)", null);
    }

    public BadUsageException(ErrorVisitor err) {
        this("(unknown)", err);
    }

    public BadUsageException(String use, ErrorVisitor err) {
        super("Usage: " + use);
        this.usage = use;
        this.errors = err;
    }

    public Collection<CommandLineError> getErrors() {
        return errors.getErrors();
    }

    public String getMessage() {
        StringBuilder sb = new StringBuilder();

        if (errors != null) {
            sb.append(errors.toString());
        }
        return sb.toString();
    }

    public String getUsage() {
        return usage;
    }

}
