diff options
Diffstat (limited to 'parser/html/java/htmlparser/src/nu/validator/encoding/Decoder.java')
-rw-r--r-- | parser/html/java/htmlparser/src/nu/validator/encoding/Decoder.java | 80 |
1 files changed, 80 insertions, 0 deletions
diff --git a/parser/html/java/htmlparser/src/nu/validator/encoding/Decoder.java b/parser/html/java/htmlparser/src/nu/validator/encoding/Decoder.java new file mode 100644 index 000000000..41e06c63a --- /dev/null +++ b/parser/html/java/htmlparser/src/nu/validator/encoding/Decoder.java @@ -0,0 +1,80 @@ +/* + * 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() +} |