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Refactor stream handling for Cocoa and GTK in ImageLoader class #1760

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Jan 24, 2025
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Refactor stream handling for Cocoa and GTK in ImageLoader class #1760

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24 changes: 5 additions & 19 deletions bundles/org.eclipse.swt/Eclipse SWT/cocoa/org/eclipse/swt/graphics/ImageLoader.java
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Original file line number Diff line number Diff line change
Expand Up @@ -143,7 +143,7 @@ void reset() {
* <li>ERROR_NULL_ARGUMENT - if the stream is null</li>
* </ul>
* @exception SWTException <ul>
* <li>ERROR_IO - if an IO error occurs while reading from the stream</li>
* <li>ERROR_IO - if an IO error occurs while reading the stream</li>
* <li>ERROR_INVALID_IMAGE - if the image stream contains invalid data</li>
* <li>ERROR_UNSUPPORTED_FORMAT - if the image stream contains an unrecognized format</li>
* </ul>
Expand All @@ -168,25 +168,17 @@ public ImageData[] load(InputStream stream) {
* <li>ERROR_NULL_ARGUMENT - if the file name is null</li>
* </ul>
* @exception SWTException <ul>
* <li>ERROR_IO - if an IO error occurs while reading from the file</li>
* <li>ERROR_IO - if an IO error occurs while reading the file</li>
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* <li>ERROR_INVALID_IMAGE - if the image file contains invalid data</li>
* <li>ERROR_UNSUPPORTED_FORMAT - if the image file contains an unrecognized format</li>
* </ul>
*/
public ImageData[] load(String filename) {
if (filename == null) SWT.error(SWT.ERROR_NULL_ARGUMENT);
InputStream stream = null;
try {
stream = new FileInputStream(filename);
try (InputStream stream = new FileInputStream(filename)) {
return load(stream);
} catch (IOException e) {
SWT.error(SWT.ERROR_IO, e);
} finally {
try {
if (stream != null) stream.close();
} catch (IOException e) {
// Ignore error
}
}
return null;
}
Expand Down Expand Up @@ -258,17 +250,11 @@ public void save(OutputStream stream, int format) {
*/
public void save(String filename, int format) {
if (filename == null) SWT.error(SWT.ERROR_NULL_ARGUMENT);
OutputStream stream = null;
try {
stream = new FileOutputStream(filename);
try (OutputStream stream = new FileOutputStream(filename)) {
save(stream, format);
} catch (IOException e) {
SWT.error(SWT.ERROR_IO, e);
}
save(stream, format);
try {
stream.close();
} catch (IOException e) {
}
}

/**
Expand Down
24 changes: 5 additions & 19 deletions bundles/org.eclipse.swt/Eclipse SWT/gtk/org/eclipse/swt/graphics/ImageLoader.java
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Original file line number Diff line number Diff line change
Expand Up @@ -153,7 +153,7 @@ void reset() {
* <li>ERROR_NULL_ARGUMENT - if the stream is null</li>
* </ul>
* @exception SWTException <ul>
* <li>ERROR_IO - if an IO error occurs while reading from the stream</li>
* <li>ERROR_IO - if an IO error occurs while reading the stream</li>
* <li>ERROR_INVALID_IMAGE - if the image stream contains invalid data</li>
* <li>ERROR_UNSUPPORTED_FORMAT - if the image stream contains an unrecognized format</li>
* </ul>
Expand Down Expand Up @@ -284,25 +284,17 @@ boolean isInterlacedPNG(byte [] imageAsByteArray) {
* <li>ERROR_NULL_ARGUMENT - if the file name is null</li>
* </ul>
* @exception SWTException <ul>
* <li>ERROR_IO - if an IO error occurs while reading from the file</li>
* <li>ERROR_IO - if an IO error occurs while reading the file</li>
* <li>ERROR_INVALID_IMAGE - if the image file contains invalid data</li>
* <li>ERROR_UNSUPPORTED_FORMAT - if the image file contains an unrecognized format</li>
* </ul>
*/
public ImageData[] load(String filename) {
if (filename == null) SWT.error(SWT.ERROR_NULL_ARGUMENT);
InputStream stream = null;
try {
stream = new FileInputStream(filename);
try (InputStream stream = new FileInputStream(filename)) {
return load(stream);
} catch (IOException e) {
SWT.error(SWT.ERROR_IO, e);
} finally {
try {
if (stream != null) stream.close();
} catch (IOException e) {
// Ignore error
}
}
return null;
}
Expand Down Expand Up @@ -611,17 +603,11 @@ public void save(OutputStream stream, int format) {
*/
public void save(String filename, int format) {
if (filename == null) SWT.error(SWT.ERROR_NULL_ARGUMENT);
OutputStream stream = null;
try {
stream = new FileOutputStream(filename);
try (OutputStream stream = new FileOutputStream(filename)) {
save(stream, format);
} catch (IOException e) {
SWT.error(SWT.ERROR_IO, e);
}
save(stream, format);
try {
stream.close();
} catch (IOException e) {
}
}

/**
Expand Down
4 changes: 2 additions & 2 deletions bundles/org.eclipse.swt/Eclipse SWT/win32/org/eclipse/swt/graphics/ImageLoader.java
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Original file line number Diff line number Diff line change
Expand Up @@ -143,7 +143,7 @@ void reset() {
* <li>ERROR_NULL_ARGUMENT - if the stream is null</li>
* </ul>
* @exception SWTException <ul>
* <li>ERROR_IO - if an IO error occurs while reading from the stream</li>
* <li>ERROR_IO - if an IO error occurs while reading the stream</li>
* <li>ERROR_INVALID_IMAGE - if the image stream contains invalid data</li>
* <li>ERROR_UNSUPPORTED_FORMAT - if the image stream contains an unrecognized format</li>
* </ul>
Expand All @@ -168,7 +168,7 @@ public ImageData[] load(InputStream stream) {
* <li>ERROR_NULL_ARGUMENT - if the file name is null</li>
* </ul>
* @exception SWTException <ul>
* <li>ERROR_IO - if an IO error occurs while reading from the file</li>
* <li>ERROR_IO - if an IO error occurs while reading the file</li>
* <li>ERROR_INVALID_IMAGE - if the image file contains invalid data</li>
* <li>ERROR_UNSUPPORTED_FORMAT - if the image file contains an unrecognized format</li>
* </ul>
Expand Down
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