source: trunk/gsdl3/src/java/org/greenstone/gsdl3/gs3build/extractor/ExtractorManager.java@ 5800

package org.greenstone.gsdl3.gs3build.extractor;

import org.greenstone.gsdl3.gs3build.doctypes.DocumentID;
import org.greenstone.gsdl3.gs3build.doctypes.DocumentInterface;
import org.greenstone.gsdl3.gs3build.doctypes.DocumentList;

public class ExtractorManager
{
    DocumentList          documents;
    ExtractorInterface [] list;
    int                   size;
    int                   used;

    public ExtractorManager(DocumentList documentList)
    { this.list = new ExtractorInterface[10];
      this.size = 10;
      this.used = 0;
      this.documents = documentList;
    }

    public void addExtractor(ExtractorInterface extractor)
    {   this.ensureSize(this.used + 1);
        this.list[this.used] = extractor;
        this.used ++;
    }

    public void extractDocument(DocumentID docId, DocumentInterface document)
    {   for (int i = 0; i < this.used; i ++)
        {   this.list[i].extractDocument(docId, document);
        }
    }

    public void extractDocuments()
    {   for (int i = 0; i < this.used; i ++)
        {   for (int p = 0; p < this.list[i].getNumberOfPasses(); p ++)
            {   this.list[i].startPass(p);
                for (int d = 0; d < this.documents.size(); d ++)
                {   this.list[i].extractDocument(null, documents.getDocument(d));
                }
                this.list[i].endPass(p);
            }
        }
    }

    public void ensureSize(int size)
    {   while (size >= this.size)
        {   ExtractorInterface newList [] = new ExtractorInterface[this.size*2];
            this.size *= 2;
            System.arraycopy(this.list, 0, newList, 0, this.size);
            this.list = newList;
        }
    }
}