org.codehaus.groovy.tools.shell.util.JAnsiHelper.groovy Maven / Gradle / Ivy

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Groovy: A powerful, dynamic language for the JVM

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/*
 *  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.codehaus.groovy.tools.shell.util

import groovy.transform.CompileStatic
import org.fusesource.jansi.AnsiOutputStream

@CompileStatic
class JAnsiHelper {

    /**
     * copied from jline2 ConsoleReader
     */
    static CharSequence stripAnsi(final CharSequence str) {
        if (str == null) return ''
        try {
            ByteArrayOutputStream baos = new ByteArrayOutputStream()
            AnsiOutputStream aos = new AnsiOutputStream(baos)
            aos.write(str.toString().bytes)
            aos.flush()
            return baos.toString()
        } catch (IOException e) {
            return str
        }
    }
}