forked from xjboss/KCauldronX
92 lines
2.7 KiB
Java
92 lines
2.7 KiB
Java
/*
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* Copyright (C) 2009 the original author(s).
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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* MODIFICATIONS: methods to deal with wrapping the output stream.
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*/
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package jline;
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import org.fusesource.jansi.AnsiConsole;
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import org.fusesource.jansi.AnsiOutputStream;
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import org.fusesource.jansi.WindowsAnsiOutputStream;
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import java.io.ByteArrayOutputStream;
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import java.io.OutputStream;
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/**
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* ANSI-supported {@link WindowsTerminal}.
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*
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* @since 2.0
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*/
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public class AnsiWindowsTerminal
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extends WindowsTerminal
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{
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private final boolean ansiSupported = detectAnsiSupport();
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@Override
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public OutputStream wrapOutIfNeeded(OutputStream out) {
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return wrapOutputStream(out);
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}
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/**
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* Returns an ansi output stream handler. We return whatever was
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* passed if we determine we cannot handle ansi based on Kernel32 calls.
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*
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* @return an @{link AltWindowAnsiOutputStream} instance or the passed
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* stream.
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*/
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private static OutputStream wrapOutputStream(final OutputStream stream) {
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String os = System.getProperty("os.name");
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if( os.startsWith("Windows") ) {
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// On windows we know the console does not interpret ANSI codes..
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try {
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return new WindowsAnsiOutputStream(stream);
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} catch (Throwable ignore) {
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// this happens when JNA is not in the path.. or
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// this happens when the stdout is being redirected to a file.
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}
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// Use the ANSIOutputStream to strip out the ANSI escape sequences.
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return new AnsiOutputStream(stream);
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}
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return stream;
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}
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private static boolean detectAnsiSupport() {
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AnsiConsole.systemInstall(); // CraftBukkit - install Windows JNI library
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OutputStream out = AnsiConsole.wrapOutputStream(new ByteArrayOutputStream());
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try {
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out.close();
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}
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catch (Exception e) {
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// ignore;
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}
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return out instanceof WindowsAnsiOutputStream;
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}
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public AnsiWindowsTerminal() throws Exception {
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super();
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}
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@Override
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public boolean isAnsiSupported() {
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return ansiSupported;
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}
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@Override
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public boolean hasWeirdWrap() {
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return false;
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}
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}
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