/*
- * Sone - SoneTextParser.java - Copyright © 2010–2013 David Roden
+ * Sone - SoneTextParser.java - Copyright © 2010–2016 David Roden
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
import java.io.BufferedReader;
import java.io.IOException;
-import java.io.Reader;
+import java.io.StringReader;
import java.net.MalformedURLException;
import java.util.logging.Level;
import java.util.logging.Logger;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
+import javax.annotation.Nonnull;
+import javax.annotation.Nullable;
+
import net.pterodactylus.sone.data.Post;
import net.pterodactylus.sone.data.Sone;
import net.pterodactylus.sone.data.impl.IdOnlySone;
/**
* {@inheritDoc}
*/
+ @Nonnull
@Override
- public Iterable<Part> parse(SoneTextParserContext context, Reader source) throws IOException {
+ public Iterable<Part> parse(@Nonnull String source, @Nullable SoneTextParserContext context) {
PartContainer parts = new PartContainer();
- BufferedReader bufferedReader = (source instanceof BufferedReader) ? (BufferedReader) source : new BufferedReader(source);
+ BufferedReader bufferedReader = new BufferedReader(new StringReader(source));
try {
String line;
boolean lastLineEmpty = true;
*/
boolean lineComplete = true;
while (line.length() > 0) {
- int nextKsk = line.indexOf("KSK@");
- int nextChk = line.indexOf("CHK@");
- int nextSsk = line.indexOf("SSK@");
- int nextUsk = line.indexOf("USK@");
- int nextHttp = line.indexOf("http://");
- int nextHttps = line.indexOf("https://");
- int nextSone = line.indexOf("sone://");
- int nextPost = line.indexOf("post://");
- if ((nextKsk == -1) && (nextChk == -1) && (nextSsk == -1) && (nextUsk == -1) && (nextHttp == -1) && (nextHttps == -1) && (nextSone == -1) && (nextPost == -1)) {
+ Optional<NextLink> nextLink = NextLink.findNextLink(line);
+ if (!nextLink.isPresent()) {
if (lineComplete && !lastLineEmpty) {
parts.add(new PlainTextPart("\n" + line));
} else {
}
break;
}
- int next = Integer.MAX_VALUE;
- LinkType linkType = null;
- if ((nextKsk > -1) && (nextKsk < next)) {
- next = nextKsk;
- linkType = LinkType.KSK;
- }
- if ((nextChk > -1) && (nextChk < next)) {
- next = nextChk;
- linkType = LinkType.CHK;
- }
- if ((nextSsk > -1) && (nextSsk < next)) {
- next = nextSsk;
- linkType = LinkType.SSK;
- }
- if ((nextUsk > -1) && (nextUsk < next)) {
- next = nextUsk;
- linkType = LinkType.USK;
- }
- if ((nextHttp > -1) && (nextHttp < next)) {
- next = nextHttp;
- linkType = LinkType.HTTP;
- }
- if ((nextHttps > -1) && (nextHttps < next)) {
- next = nextHttps;
- linkType = LinkType.HTTPS;
- }
- if ((nextSone > -1) && (nextSone < next)) {
- next = nextSone;
- linkType = LinkType.SONE;
- }
- if ((nextPost > -1) && (nextPost < next)) {
- next = nextPost;
- linkType = LinkType.POST;
- }
+ LinkType linkType = nextLink.get().getLinkType();
+ int next = nextLink.get().getPosition();
/* cut off “freenet:” from before keys. */
if (linkType.isFreenetLink() && (next >= 8) && (line.substring(next - 8, next).equals("freenet:"))) {
if (next > 0) {
parts.add(new PlainTextPart(line.substring(0, next)));
line = line.substring(next);
- next = 0;
}
lineComplete = false;
String link = line.substring(0, nextSpace);
String name = link;
logger.log(Level.FINER, String.format("Found link: %s", link));
- logger.log(Level.FINEST, String.format("CHK: %d, SSK: %d, USK: %d", nextChk, nextSsk, nextUsk));
/* if there is no text after the scheme, it’s not a link! */
if (link.equals(linkType.getScheme())) {
continue;
}
- if ((linkType == LinkType.KSK) || (linkType == LinkType.CHK) || (linkType == LinkType.SSK) || (linkType == LinkType.USK)) {
+ if (linkType.isFreenetLink()) {
FreenetURI uri;
if (name.indexOf('?') > -1) {
name = name.substring(0, name.indexOf('?'));
}
lastLineEmpty = false;
}
+ } catch (IOException ioe1) {
+ // a buffered reader around a string reader should never throw.
+ throw new RuntimeException(ioe1);
} finally {
- if (bufferedReader != source) {
- Closer.close(bufferedReader);
- }
+ Closer.close(bufferedReader);
}
for (int partIndex = parts.size() - 1; partIndex >= 0; --partIndex) {
Part part = parts.getPart(partIndex);
- if (!(part instanceof PlainTextPart) || !"\n".equals(((PlainTextPart) part).getText())) {
+ if (!(part instanceof PlainTextPart) || !"\n".equals(part.getText())) {
break;
}
parts.removePart(partIndex);
return parts;
}
+ private static class NextLink {
+
+ private final int position;
+ private final LinkType linkType;
+
+ private NextLink(int position, LinkType linkType) {
+ this.position = position;
+ this.linkType = linkType;
+ }
+
+ public int getPosition() {
+ return position;
+ }
+
+ public LinkType getLinkType() {
+ return linkType;
+ }
+
+ public static Optional<NextLink> findNextLink(String line) {
+ int earliestLinkPosition = Integer.MAX_VALUE;
+ LinkType linkType = null;
+ for (LinkType possibleLinkType : LinkType.values()) {
+ int nextLinkPosition = line.indexOf(possibleLinkType.getScheme());
+ if (nextLinkPosition > -1) {
+ if (nextLinkPosition < earliestLinkPosition) {
+ earliestLinkPosition = nextLinkPosition;
+ linkType = possibleLinkType;
+ }
+ }
+ }
+ return earliestLinkPosition < Integer.MAX_VALUE ?
+ Optional.of(new NextLink(earliestLinkPosition, linkType)) : Optional.<NextLink>absent();
+ }
+
+ }
+
}