60 lines
1.9 KiB
Java
60 lines
1.9 KiB
Java
package org.gcube.data.access.storagehub.handlers.content;
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import java.io.InputStream;
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import java.util.Calendar;
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import java.util.HashMap;
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import org.gcube.common.storagehub.model.annotations.MimeTypeHandler;
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import org.gcube.common.storagehub.model.items.PDFFileItem;
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import org.gcube.common.storagehub.model.items.nodes.PDFContent;
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import org.gcube.common.storagehub.model.types.ItemAction;
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import com.itextpdf.text.pdf.PdfReader;
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@MimeTypeHandler("application/pdf")
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public class PdfHandler implements ContentHandler {
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public static final String NUMBER_OF_PAGES = "xmpTPg:NPages";
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public static final String PRODUCER = "producer";
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public static final String VERSION = "version";
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public static final String AUTHOR = "Author";
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public static final String TITLE = "dc:title";
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PDFContent content = new PDFContent();
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@Override
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public void initiliseSpecificContent(InputStream is) throws Exception {
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PdfReader reader = new PdfReader(is);
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content.setNumberOfPages(Long.valueOf(reader.getNumberOfPages()));
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content.setVersion(String.valueOf(reader.getPdfVersion()));
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HashMap<String, String> fileInfo = reader.getInfo();
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content.setAuthor(fileInfo.containsKey(AUTHOR)?fileInfo.get(AUTHOR):"n/a");
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content.setProducer(fileInfo.containsKey(PRODUCER)?fileInfo.get(PRODUCER):"n/a");
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content.setTitle(fileInfo.containsKey(TITLE)?fileInfo.get(TITLE):"n/a");
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}
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@Override
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public PDFContent getContent() {
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return content;
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}
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public PDFFileItem buildItem(String name, String description, String login) {
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PDFFileItem item = new PDFFileItem();
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Calendar now = Calendar.getInstance();
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item.setName(name);
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item.setTitle(name);
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item.setDescription(description);
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//item.setCreationTime(now);
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item.setHidden(false);
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item.setLastAction(ItemAction.CREATED);
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item.setLastModificationTime(now);
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item.setLastModifiedBy(login);
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item.setOwner(login);
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item.setContent(this.content);
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return item;
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}
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}
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