FairEmail/app/src/main/java/eu/faircode/email/JsoupEx.java

104 lines
3.4 KiB
Java

package eu.faircode.email;
/*
This file is part of FairEmail.
FairEmail is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
FairEmail is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with FairEmail. If not, see <http://www.gnu.org/licenses/>.
Copyright 2018-2022 by Marcel Bokhorst (M66B)
*/
import org.jsoup.Jsoup;
import org.jsoup.nodes.Document;
import org.jsoup.nodes.Element;
import java.io.File;
import java.io.FileInputStream;
import java.io.FilterInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.nio.charset.StandardCharsets;
public class JsoupEx {
static Document parse(String html) {
try {
/*
org.jsoup.UncheckedIOException: java.io.IOException: Input is binary and unsupported
at org.jsoup.parser.CharacterReader.<init>(SourceFile:38)
at org.jsoup.parser.CharacterReader.<init>(SourceFile:43)
at org.jsoup.parser.TreeBuilder.initialiseParse(SourceFile:38)
at org.jsoup.parser.HtmlTreeBuilder.initialiseParse(SourceFile:65)
at org.jsoup.parser.TreeBuilder.parse(SourceFile:46)
at org.jsoup.parser.Parser.parse(SourceFile:107)
at org.jsoup.Jsoup.parse(SourceFile:58)
*/
return Jsoup.parse(html.replace("\0", ""));
} catch (OutOfMemoryError ex) {
Log.e(ex);
Document document = Document.createShell("");
Element strong = document.createElement("strong");
strong.text(Log.formatThrowable(ex));
document.body().appendChild(strong);
return document;
}
}
static Document parse(InputStream stream, String charset, String baseUri) throws IOException {
try {
return Jsoup.parse(stream, charset, baseUri);
} catch (OutOfMemoryError ex) {
Log.e(ex);
return Document.createShell("");
}
}
static Document parse(File in) throws IOException {
try (InputStream is = new FileInputStream(in)) {
return Jsoup.parse(new FilteredStream(is), StandardCharsets.UTF_8.name(), "");
}
}
private static class FilteredStream extends FilterInputStream {
protected FilteredStream(InputStream in) {
super(in);
}
@Override
public int read() throws IOException {
int b = super.read();
while (b == 0)
b = super.read();
return b;
}
@Override
public int read(byte[] buffer) throws IOException {
return read(buffer, 0, buffer.length);
}
@Override
public int read(byte[] buffer, int off, int len) throws IOException {
int b;
int c = 0;
while (c < len) {
b = read();
if (b < 0)
return (c == 0 ? -1 : c);
buffer[off + c++] = (byte) b;
}
return c;
}
}
}