SciPublications: Basisstruktur für BibTeX-Importer

git-svn-id: https://svn.libreccm.org/ccm/trunk@2040 8810af33-2d31-482b-a856-94f89814c4df

ccm-sci-publications/src/com/arsdigita/cms/scipublications/importer/bibtex/BibTeXConverter.java

@@ -0,0 +1,35 @@
+package com.arsdigita.cms.scipublications.importer.bibtex;
+
+import com.arsdigita.cms.contenttypes.Publication;
+import com.arsdigita.cms.contenttypes.PublicationBundle;
+import com.arsdigita.cms.scipublications.importer.report.PublicationImportReport;
+import com.arsdigita.cms.scipublications.importer.util.ImporterUtil;
+import org.jbibtex.BibTeXEntry;
+
+/**
+ *
+ * @param <T> 
+ * @param <B> 
+ * @author Jens Pelzetter <jens@jp-digital.de>
+ * @version $Id$
+ */
+public interface BibTeXConverter<T extends Publication, B extends PublicationBundle> {
+
+    T createPublication(boolean pretend);
+    
+    B createBundle(T publication, boolean pretend);
+    
+    void processFields(final BibTeXEntry bibTeXEntry,
+                       final T publication,
+                       final ImporterUtil importerUtil,
+                       final PublicationImportReport importReport,
+                       final boolean pretend);
+        
+    /**
+     * Returns the supported BibTeX type.
+     * 
+     * @return 
+     */
+    String getBibTeXType();
+
+}

ccm-sci-publications/src/com/arsdigita/cms/scipublications/importer/bibtex/BibTeXConverters.java

@@ -0,0 +1,56 @@
+package com.arsdigita.cms.scipublications.importer.bibtex;
+
+import com.arsdigita.cms.scipublications.importer.report.PublicationImportReport;
+import com.arsdigita.cms.scipublications.importer.util.ImporterUtil;
+import java.util.HashMap;
+import java.util.Map;
+import java.util.ServiceLoader;
+import org.apache.log4j.Logger;
+import org.jbibtex.BibTeXEntry;
+
+/**
+ * Central access point for retrieving {@link BibTeXConverter}s for importing publication data in the BibTeX format.
+ * 
+ * @author Jens Pelzetter <jens@jp-digital.de>
+ * @version $Id$
+ */
+public class BibTeXConverters {
+    
+    private final static Logger LOGGER = Logger.getLogger(BibTeXConverters.class);
+    private final  Map<String, BibTeXConverter<?, ?>> converters = new HashMap<String, BibTeXConverter<?, ?>>();
+        
+    @SuppressWarnings("rawtypes")
+    private BibTeXConverters() {
+        LOGGER.debug("Loading BibTeX converters...");
+        final ServiceLoader<BibTeXConverter> converterServices = ServiceLoader.load(BibTeXConverter.class);
+        
+        for(BibTeXConverter converter : converterServices) {
+            LOGGER.debug(String.format("Found converter for BibTeX type '%s'.", converter.getBibTeXType()));
+            
+            converters.put(converter.getBibTeXType(), converter);
+        }
+        LOGGER.debug(String.format("Found %d BibTeX converters.", converters.size()));                        
+    }
+    
+    private static class Instance {
+        
+        private static BibTeXConverters INSTANCE = new BibTeXConverters();
+        
+    }
+    
+    public static BibTeXConverters getInstance() {
+        return Instance.INSTANCE;
+    }
+    
+    public PublicationImportReport convert(final BibTeXEntry bibTeXEntry,
+                                           final ImporterUtil importerUtil,
+                                           final boolean pretend,
+                                           final boolean publishNewItems) {
+        final PublicationImportReport report = new PublicationImportReport();
+        
+        
+        
+        return report;
+    }
+    
+}

ccm-sci-publications/src/com/arsdigita/cms/scipublications/importer/bibtex/BibTeXPublicationsImporter.java

@@ -4,10 +4,16 @@ import com.arsdigita.cms.scipublications.imexporter.PublicationFormat;
 import com.arsdigita.cms.scipublications.importer.SciPublicationsImportException;
 import com.arsdigita.cms.scipublications.importer.SciPublicationsImporter;
 import com.arsdigita.cms.scipublications.importer.report.ImportReport;
+import com.arsdigita.cms.scipublications.importer.util.ImporterUtil;
+import java.io.StringReader;
 import java.util.Map;
 import javax.activation.MimeType;
 import javax.activation.MimeTypeParseException;
 import org.apache.log4j.Logger;
+import org.jbibtex.BibTeXDatabase;
+import org.jbibtex.BibTeXEntry;
+import org.jbibtex.BibTeXParser;
+import org.jbibtex.Key;
 
 /**
  *
@@ -27,15 +33,27 @@ public class BibTeXPublicationsImporter implements SciPublicationsImporter {
             return new PublicationFormat("BibTeX", null, "bib");
         }
     }
-
+    
     public ImportReport importPublications(final String publications,
                                            final Map<String, String> importerParams,
                                            final boolean pretend,
                                            final boolean publishNewItems)
             throws SciPublicationsImportException {
         
+        final ImportReport report = new ImportReport();
+        final ImporterUtil importerUtil = new ImporterUtil(publishNewItems);
+        final BibTeXConverters converters = BibTeXConverters.getInstance();
         
-        throw new UnsupportedOperationException();
+        final StringReader reader = new StringReader(publications);        
+        final BibTeXParser parser = new BibTeXParser(reader);
+        final BibTeXDatabase database = parser.getDatabase();
+        final Map<Key, BibTeXEntry> entries = database.getEntries();
+        
+        for(BibTeXEntry entry : entries.values()) {
+            report.addPublication(converters.convert(entry, importerUtil, pretend, publishNewItems));
+        }
+                
+        return report;
     }
 
 }