Revision 1737
Added by skrish about 21 years ago
src/edu/ucsb/nceas/metacat/harvesterClient/MetUpload.java | ||
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import javax.servlet.ServletConfig; |
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import javax.servlet.ServletContext; |
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import javax.servlet.ServletException; |
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import javax.servlet.ServletInputStream; |
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import javax.servlet.http.HttpServlet; |
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import javax.servlet.http.HttpServletRequest; |
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import javax.servlet.http.HttpServletResponse; |
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import javax.servlet.http.HttpSession; |
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import javax.servlet.http.HttpUtils; |
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import javax.servlet.ServletOutputStream; |
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import org.ecoinformatics.eml.EMLParser; |
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import java.io.*; |
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import java.util.*; |
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import com.oreilly.servlet.multipart.*; |
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import edu.ucsb.nceas.metacat.*; |
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import edu.ucsb.nceas.metacat.MetaCatUtil; |
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public class MetUpload extends HttpServlet |
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{ |
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public void service(HttpServletRequest request, HttpServletResponse response) |
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throws IOException |
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{ |
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PrintWriter out = null; |
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try { |
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int id=0; |
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out = response.getWriter(); |
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String file = new String(""); |
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DBConnection dbconn = null; |
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File dataDirectory = null; |
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MetaCatUtil util = null; |
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String datafilepath = null; |
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String fileName = null; |
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FilePart fPart = null; |
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MultipartParser parser = new MultipartParser((HttpServletRequest)request, 1024 * 1024); |
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//MultipartParser parser = new MultipartParser(request, 1024 * 1024); |
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DocumentImplWrapper documentWrapper = null; |
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Part aPart; |
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String eml_filename=" ",docid=" "; |
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StringReader xml = null; |
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/*String eml_filename=" ",docid=" ";*/ |
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Hashtable formElements = new Hashtable(); |
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while( (aPart = parser.readNextPart()) != null ) { |
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if( aPart.isParam() == true ) { |
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ParamPart pPart = (ParamPart)aPart; |
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String field = pPart.getName(); |
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String value = pPart.getStringValue(); |
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if(field != null) { |
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if(value == null) |
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value = ""; |
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formElements.put(field, value); |
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docid=value; |
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} |
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} |
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else if( aPart.isFile() == true ) { |
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fPart = (FilePart)aPart; |
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String field = fPart.getName(); |
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fileName = fPart.getFileName(); |
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if(fileName != null) { |
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//write the image to a file |
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String dir = "/tmp/Upload_data"; |
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File theFile = new File(dir, fileName); |
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fPart.writeTo(theFile); |
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eml_filename = dir+"/"+fileName; |
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formElements.put(field, fileName); |
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} |
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} |
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} |
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// out.println( formElements ); |
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out.println( docid + " " + eml_filename ); |
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out.println("EML File uploaded"); |
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/*****************************************************/ |
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/* Change for input to metacat */ |
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util = new MetaCatUtil(); |
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datafilepath = util.getOption("datafilepath"); |
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dataDirectory = new File(datafilepath); |
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HttpSession sess = request.getSession(true); |
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String username = null; |
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username = (String)sess.getAttribute("username"); |
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/* |
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dbconn=DBConnectionPool.getDBConnection("DocumentImpl.main"); |
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documentWrapper = new DocumentImplWrapper("", false); |
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/*String newdocid = DocumentImpl.write(dbconn, eml_filename, null, |
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"null", "INSERT", docid, |
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null, null);*/ |
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/*xml = new StringReader(eml_filename); |
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String newdocid = documentWrapper.write(dbconn, xml, null, |
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null, "INSERT", docid, |
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null, null); |
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if ((docid != null) && (!docid.equals(newdocid))) { |
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System.out.println("New document ID generated!!! "); |
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}*/ |
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if (DocumentImpl.getDataFileLockGrant(docid)) |
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{ |
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DocumentImpl.registerDocument(fileName, "BIN", docid, username); |
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// Save the data file to disk using "docid" as the name |
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dataDirectory.mkdirs(); |
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File newFile = new File(dataDirectory, docid); |
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long size = fPart.writeTo(newFile); |
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ForceReplicationHandler frh = new ForceReplicationHandler |
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(docid, "insert", false, null); |
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// set content type and other response header fields first |
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out.println("success"); |
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} |
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else |
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out.println("failure"); |
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/****************************************************/ |
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} catch (Exception e) { |
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out.println("An error occurred."); |
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e.printStackTrace(out); |
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} |
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out.flush(); |
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} |
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} |
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Also available in: Unified diff
Metacat EMl Upload Interface