81 lines
3.3 KiB
Java
81 lines
3.3 KiB
Java
/*
|
|
* Copyright (c) 2015 Mozilla Foundation
|
|
*
|
|
* Permission is hereby granted, free of charge, to any person obtaining a
|
|
* copy of this software and associated documentation files (the "Software"),
|
|
* to deal in the Software without restriction, including without limitation
|
|
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
|
|
* and/or sell copies of the Software, and to permit persons to whom the
|
|
* Software is furnished to do so, subject to the following conditions:
|
|
*
|
|
* The above copyright notice and this permission notice shall be included in
|
|
* all copies or substantial portions of the Software.
|
|
*
|
|
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
|
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
|
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
|
|
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
|
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
|
|
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
|
|
* DEALINGS IN THE SOFTWARE.
|
|
*/
|
|
|
|
package nu.validator.encoding;
|
|
import java.nio.charset.Charset;
|
|
import java.nio.charset.CharsetDecoder;
|
|
import java.nio.charset.CodingErrorAction;
|
|
|
|
public abstract class Decoder extends CharsetDecoder {
|
|
|
|
protected boolean report = true;
|
|
|
|
protected Decoder(Charset cs, float averageCharsPerByte, float maxCharsPerByte) {
|
|
super(cs, averageCharsPerByte, maxCharsPerByte);
|
|
}
|
|
|
|
@Override protected final void implOnMalformedInput(CodingErrorAction newAction) {
|
|
if (newAction == null) {
|
|
throw new IllegalArgumentException("The argument must not be null.");
|
|
}
|
|
if (newAction == CodingErrorAction.IGNORE) {
|
|
throw new IllegalArgumentException("The Encoding Standard does not allow errors to be ignored.");
|
|
}
|
|
if (newAction == CodingErrorAction.REPLACE) {
|
|
this.report = false;
|
|
return;
|
|
}
|
|
if (newAction == CodingErrorAction.REPORT) {
|
|
this.report = true;
|
|
return;
|
|
}
|
|
assert false: "Unreachable.";
|
|
throw new IllegalArgumentException("Unknown CodingErrorAction.");
|
|
}
|
|
|
|
@Override protected final void implOnUnmappableCharacter(
|
|
CodingErrorAction newAction) {
|
|
if (newAction == null) {
|
|
throw new IllegalArgumentException("The argument must not be null.");
|
|
}
|
|
if (newAction == CodingErrorAction.IGNORE) {
|
|
throw new IllegalArgumentException("The Encoding Standard does not allow errors to be ignored.");
|
|
}
|
|
if (newAction == CodingErrorAction.REPLACE) {
|
|
return; // We don't actually care, since there are no unmappables.
|
|
}
|
|
if (newAction == CodingErrorAction.REPORT) {
|
|
return; // We don't actually care, since there are no unmappables.
|
|
}
|
|
assert false: "Unreachable.";
|
|
throw new IllegalArgumentException("Unknown CodingErrorAction.");
|
|
}
|
|
|
|
@Override protected final void implReplaceWith(String newReplacement) {
|
|
if (!"\uFFFD".equals(newReplacement)) {
|
|
throw new IllegalArgumentException("Only U+FFFD is allowed as the replacement.");
|
|
}
|
|
}
|
|
|
|
// TODO: Check if the JDK decoders reset the reporting state on reset()
|
|
}
|