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Fix IEEE preview does not display month #3983

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Merged
merged 9 commits into from
May 2, 2018
Merged

Fix IEEE preview does not display month #3983

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6738711
Fix IEEE preview does not display month (#3239)
DrSiroukane Apr 26, 2018
4d7525e
Fix IEEE preview does not display month (#3239)
DevSiroukane Apr 26, 2018
99c6dd5
Fix IEEE preview does not display month (#3239)
DevSiroukane Apr 26, 2018
cb5a8a3
Fix IEEE preview does not display month (#3239)
DevSiroukane Apr 26, 2018
0255d0f
Fix IEEE preview does not display month (#3239)
DevSiroukane Apr 28, 2018
2f022b2
Fix IEEE preview does not display month (#3239)
DevSiroukane Apr 28, 2018
82b05d1
Fix IEEE preview does not display month (#3239)
DevSiroukane Apr 29, 2018
f548163
Fix IEEE preview does not display month (#3239)
DevSiroukane Apr 30, 2018
eb2ad39
Fix IEEE preview does not display month (#3239)
DevSiroukane May 1, 2018
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12 changes: 12 additions & 0 deletions src/main/java/org/jabref/logic/citationstyle/CSLAdapter.java
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Original file line number Diff line number Diff line change
Expand Up @@ -9,6 +9,7 @@
import org.jabref.logic.formatter.bibtexfields.RemoveNewlinesFormatter;
import org.jabref.logic.layout.format.HTMLChars;
import org.jabref.model.entry.BibEntry;
import org.jabref.model.entry.FieldName;

import de.undercouch.citeproc.CSL;
import de.undercouch.citeproc.ItemDataProvider;
Expand Down Expand Up @@ -82,15 +83,26 @@ private static class JabRefItemDataProvider implements ItemDataProvider {

/**
* Converts the {@link BibEntry} into {@link CSLItemData}.
*
* Clone bibEntry to make a save changes,
* Change month field from JabRefFormat <code>#mon#</> to ShortName <code>mon</code>
* because CSL does not support JabRefFormat.
*/
private static CSLItemData bibEntryToCSLItemData(BibEntry bibEntry) {

bibEntry = (BibEntry) bibEntry.clone();

String citeKey = bibEntry.getCiteKeyOptional().orElse("");
BibTeXEntry bibTeXEntry = new BibTeXEntry(new Key(bibEntry.getType()), new Key(citeKey));

// Not every field is already generated into latex free fields
HTMLChars latexToHtmlConverter = new HTMLChars();
RemoveNewlinesFormatter removeNewlinesFormatter = new RemoveNewlinesFormatter();
for (String key : bibEntry.getFieldMap().keySet()) {
if (FieldName.MONTH.equals(key)) {
bibEntry.getFieldMap().put(FieldName.MONTH, bibEntry.getMonth().get().getShortName());
}

bibEntry.getField(key)
.map(removeNewlinesFormatter::format)
.map(latexToHtmlConverter::format)
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The code changes above work but are more complicated than they need to. I think an easier solution is to extract the lambda expression in this line (ifPresent(value -> ...)) to a new method setFieldValue(bibTeXEntry, key, value). In this new method, you can then simply check if (FieldName.MONTH.equals(key)) { and use Month.parse to get the correct month value.

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@DevSiroukane DevSiroukane Apr 29, 2018 •
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I did not notice that bibEntry and BibTeXEntry are different object. I think we do not need to clone bibEntry anymore.
Instead of create a new method setFieldValue(...) I thought of making if block direct on lamda expression. What do you think?

I execute this code and it work.

private static CSLItemData bibEntryToCSLItemData(BibEntry bibEntry) {
    String citeKey = bibEntry.getCiteKeyOptional().orElse("");
    BibTeXEntry bibTeXEntry = new BibTeXEntry(new Key(bibEntry.getType()), new Key(citeKey));

    // Not every field is already generated into latex free fields
    HTMLChars latexToHtmlConverter = new HTMLChars();
    RemoveNewlinesFormatter removeNewlinesFormatter = new RemoveNewlinesFormatter();
    for (String key : bibEntry.getFieldMap().keySet()) {
        bibEntry.getField(key)
                .map(removeNewlinesFormatter::format)
                .map(latexToHtmlConverter::format)
                .ifPresent(value -> {
                    if((FieldName.MONTH.equals(key)) && (value.matches("#[a-z]{3}#"))){
                        value = value.substring(1,4);
                    }
                    bibTeXEntry.addField(new Key(key), new DigitStringValue(value));
                });
    }
    return BIBTEX_CONVERTER.toItemData(bibTeXEntry);
}

About https://github.com/JabRef/jabref/blob/master/src/test/java/org/jabref/logic/citationstyle/CitationStyleTest.java I have no idea what I can do if you help me please. I am not used with test on java yet.

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That is also an idea, but I would not make the regex. If you have the field month, I would really get the shortname from the BibEntry then, so value = key.getMonth().getShortName

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for (String key : bibEntry.getFieldMap().keySet()) {
    bibEntry.getField(key)
            .map(removeNewlinesFormatter::format)
            .map(latexToHtmlConverter::format)
            .ifPresent(value -> {
                if(FieldName.MONTH.equals(key)){
                    value = bibEntry.getMonth().get().getShortName();
                }
                bibTeXEntry.addField(new Key(key), new DigitStringValue(value));
            });
}

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Very good, we are almost there. Please replace the value assignment line by

value = bibEntry.getMonth().map(Month::getShortName).orElse(value);

Background: the get method for an Optional throws an null pointer exception if the optional is empty. Thus, one has to check isPresent before using get or, alternatively, use orElse instead.

Please push the change to your branch and then we can merge!

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I just post my last request

Expand Down