darkma773r commented on a change in pull request #116:
URL: https://github.com/apache/commons-imaging/pull/116#discussion_r671481293
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File path: src/main/java/org/apache/commons/imaging/ImageParser.java
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@@ -79,25 +78,18 @@
* that the documentation is perfect, especially in the more obscure
* and specialized areas of implementation.
*
- * <h3>The "Map params" argument</h3>
+ * <h3>The "params" argument</h3>
*
- * Many of the methods specified by this class accept an argument of
- * type Map giving a list of parameters to be used when processing an
- * image. For example, some of the output formats permit the specification
+ * <p>Many of the methods specified by this class accept an argument of
+ * type {@code T} defining the parameters to be used when
+ * processing an image. For example, some of the output formats permit
* of different kinds of image compression or color models. Some of the
* reading methods permit the calling application to require strict
- * format compliance. In many cases, however, an application will not
- * require the use of this argument. While some of the ImageParser
- * implementations check for (and ignore) null arguments for this parameter,
- * not all of them do (at least not at the time these notes were written).
- * Therefore, a prudent programmer will always supply an valid, though
- * empty instance of a Map implementation when calling such methods.
- * Generally, the java HashMap class is useful for this purpose.
+ * format compliance.</p>
*
- * <p>Additionally, developers creating or enhancing classes derived
- * from ImageParser are encouraged to include such checks in their code.
+ * @param <T> type of parameters used by this image parser
*/
-public abstract class ImageParser extends BinaryFileParser {
+public abstract class ImageParser<T extends ImagingParameters> extends
BinaryFileParser {
Review comment:
Would it make sense to remove this generic parameter and only accept
`ImagingParameters` in methods? Implementations could downcast as needed to
access type-specific parameters and this would simplify usage where the image
format is not known (as in `Imaging`).
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