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Forward more methods to underlying InputStream in NonClosingInputStream 

NonClosingInputStream extends FilterInputStream, which does not forward some
newer InputStream methods such as transferTo and readAllBytes. Specific InputStream
implementations may have more optimized methods (e.g., FileInputStream).

Signed-off-by: Patrick Strawderman <pstrawderman@netflix.com>
This commit is contained in:
Patrick Strawderman 2025-05-13 14:51:22 -07:00
parent 2a29e16456
commit 28a76a4fd1
1 changed files with 22 additions and 2 deletions
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24
spring-core/src/main/java/org/springframework/util/StreamUtils.java
View File

@ -240,7 +240,7 @@ public abstract class StreamUtils {
}
private static class NonClosingInputStream extends FilterInputStream {
private static final class NonClosingInputStream extends FilterInputStream {
public NonClosingInputStream(InputStream in) {
super(in);
@ -249,10 +249,30 @@ public abstract class StreamUtils {
@Override
public void close() throws IOException {
}
@Override
public byte[] readAllBytes() throws IOException {
return in.readAllBytes();
}
@Override
public byte[] readNBytes(int len) throws IOException {
return in.readNBytes(len);
}
@Override
public int readNBytes(byte[] b, int off, int len) throws IOException {
return in.readNBytes(b, off, len);
}
@Override
public long transferTo(OutputStream out) throws IOException {
return in.transferTo(out);
}
}
private static class NonClosingOutputStream extends FilterOutputStream {
private static final class NonClosingOutputStream extends FilterOutputStream {
public NonClosingOutputStream(OutputStream out) {
super(out);