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

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/*
 * Copyright 2003-2014 the original author or authors.
 *
 * 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.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
        }
    }
}