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classlib: add static nullOutputStream() to OutputStream (#878)

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Bernd Busse 2024-01-24 18:44:59 +01:00 committed by GitHub
parent b6bea8bcfb
commit 2318caad7b
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1 changed files with 30 additions and 0 deletions
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classlib/src/main/java/org/teavm/classlib/java/io/TOutputStream.java
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@ -19,6 +19,36 @@ import java.io.IOException;
import org.teavm.classlib.java.lang.TObject; import org.teavm.classlib.java.lang.TObject;
public abstract class TOutputStream extends TObject implements TCloseable, TFlushable { public abstract class TOutputStream extends TObject implements TCloseable, TFlushable {
public static TOutputStream nullOutputStream() {
return new TOutputStream() {
private boolean isClosed;
@Override
public void write(int b) throws IOException {
if (isClosed) {
throw new IOException("Stream closed");
}
}
@Override
public void write(byte[] b) throws IOException {
write(b, 0, b.length);
}
@Override
public void write(byte[] b, int off, int len) throws IOException {
if (isClosed) {
throw new IOException("Stream closed");
}
}
@Override
public void close() throws IOException {
isClosed = true;
}
};
}
public abstract void write(int b) throws IOException; public abstract void write(int b) throws IOException;
public void write(byte[] b) throws IOException { public void write(byte[] b) throws IOException {