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Extracted superclass for Terminals implementations, and fixed thread-safety.

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This commit is contained in:
Adam Murdoch
2012-09-08 08:44:53 +10:00
parent 2be367e342
commit 1c3ab6a289
3 changed files with 36 additions and 35 deletions
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21
src/main/java/net/rubygrapefruit/platform/internal/TerminfoTerminals.java
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@@ -1,27 +1,14 @@
package net.rubygrapefruit.platform.internal;
import net.rubygrapefruit.platform.Terminal;
import net.rubygrapefruit.platform.Terminals;
import net.rubygrapefruit.platform.internal.jni.PosixTerminalFunctions;
public class TerminfoTerminals implements Terminals {
private static Output currentlyOpen;
private static TerminfoTerminal current;
public class TerminfoTerminals extends AbstractTerminals {
public boolean isTerminal(Output output) {
return PosixTerminalFunctions.isatty(output.ordinal());
}
public Terminal getTerminal(Output output) {
if (currentlyOpen != null && currentlyOpen != output) {
throw new UnsupportedOperationException("Currently only one output can be used as a terminal.");
}
if (current == null) {
current = new TerminfoTerminal(output);
current.init();
}
currentlyOpen = output;
return current;
@Override
protected AbstractTerminal createTerminal(Output output) {
return new TerminfoTerminal(output);
}
}