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- the minimal build requirement is bumped to JDK 21 - FFM is the default provider if available (JDK >= 21 with --enable-preview flag)
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65 changes: 65 additions & 0 deletions
65
src/main/java/org/fusesource/jansi/AnsiConsoleSupport.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,65 @@ | ||
| /* | ||
| * Copyright (C) 2023 the original author(s). | ||
| * | ||
| * 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.fusesource.jansi; | ||
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| import org.fusesource.jansi.io.AnsiProcessor; | ||
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| import java.io.IOException; | ||
| import java.io.OutputStream; | ||
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| public interface AnsiConsoleSupport { | ||
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| interface CLibrary { | ||
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| int STDOUT_FILENO = 1; | ||
| int STDERR_FILENO = 2; | ||
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| short getTerminalWidth(int fd); | ||
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| int isTty(int fd); | ||
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| } | ||
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| interface Kernel32 { | ||
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| int isTty(long console); | ||
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| int getTerminalWidth(long console); | ||
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| long getStdHandle(boolean stdout); | ||
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| int getConsoleMode(long console, int[] mode); | ||
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| int setConsoleMode(long console, int mode); | ||
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| int getLastError(); | ||
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| String getErrorMessage(int errorCode); | ||
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| AnsiProcessor newProcessor(OutputStream os, long console) throws IOException; | ||
| } | ||
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| String getProviderName(); | ||
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| CLibrary getCLibrary(); | ||
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| Kernel32 getKernel32(); | ||
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| static AnsiConsoleSupport getInstance() { | ||
| return AnsiConsoleSupportHolder.get(); | ||
| } | ||
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| } |
56 changes: 56 additions & 0 deletions
56
src/main/java/org/fusesource/jansi/AnsiConsoleSupportHolder.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,56 @@ | ||
| /* | ||
| * Copyright (C) 2023 the original author(s). | ||
| * | ||
| * 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.fusesource.jansi; | ||
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| import org.fusesource.jansi.ffm.AnsiConsoleSupportFfm; | ||
| import org.fusesource.jansi.internal.AnsiConsoleSupportJni; | ||
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| import static org.fusesource.jansi.AnsiConsole.JANSI_PROVIDERS; | ||
| import static org.fusesource.jansi.AnsiConsole.JANSI_PROVIDERS_DEFAULT; | ||
| import static org.fusesource.jansi.AnsiConsole.JANSI_PROVIDER_FFM; | ||
| import static org.fusesource.jansi.AnsiConsole.JANSI_PROVIDER_JNI; | ||
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| class AnsiConsoleSupportHolder { | ||
| static volatile AnsiConsoleSupport instance; | ||
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| static AnsiConsoleSupport get() { | ||
| if (instance == null) { | ||
| synchronized (AnsiConsoleSupportHolder.class) { | ||
| if (instance == null) { | ||
| instance = doGet(); | ||
| } | ||
| } | ||
| } | ||
| return instance; | ||
| } | ||
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| static AnsiConsoleSupport doGet() { | ||
| RuntimeException error = new RuntimeException("Unable to create AnsiConsoleSupport provider"); | ||
| String[] providers = System.getProperty(JANSI_PROVIDERS, JANSI_PROVIDERS_DEFAULT).split(","); | ||
| for (String provider : providers) { | ||
| try { | ||
| if (JANSI_PROVIDER_FFM.equals(provider)) { | ||
| return new AnsiConsoleSupportFfm(); | ||
| } else if (JANSI_PROVIDER_JNI.equals(provider)) { | ||
| return new AnsiConsoleSupportJni(); | ||
| } | ||
| } catch (Throwable t) { | ||
| error.addSuppressed(t); | ||
| } | ||
| } | ||
| throw error; | ||
| } | ||
| } |
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