Changeset 5945 for trunk/gsdl3/src/java/org/greenstone/gsdl3/gs3build/metadata/METSStructureSet.java

Timestamp:

2003-11-24T14:26:53+13:00 (20 years ago)

Author:

cs025

Message:

Extensive additions to metadata

File:

• trunk/gsdl3/src/java/org/greenstone/gsdl3/gs3build/metadata/METSStructureSet.java (modified) (1 diff)

trunk/gsdl3/src/java/org/greenstone/gsdl3/gs3build/metadata/METSStructureSet.java

@@ -5 +5 @@
 import java.util.HashMap;
 import java.util.Map;
+import java.util.List;
+import java.util.ArrayList;
 import java.util.Iterator;
+
+import java.sql.SQLException;
+import java.sql.ResultSet;
 
 import org.greenstone.gsdl3.gs3build.doctypes.DocumentInterface;
 
 import org.greenstone.gsdl3.gs3build.util.GS3SQLConnection;
+import org.greenstone.gsdl3.gs3build.database.*;
 
 public class METSStructureSet
-{   Map children;
+{ Map children;
 
-    public METSStructureSet()
-    {   this.children = new HashMap();
-    }
+  public METSStructureSet()
+  { this.children = new HashMap();
+  }
 
-    public void addStructure(METSStructure structure)
-    {   this.children.put(structure.getID(), structure);
-    }
+  public void addStructure(METSStructure structure)
+  { this.children.put(structure.getID(), structure);
+  }
 
-    public METSStructure getStructure(String name)
-    {   return (METSStructure) this.children.get(name);
-    }
+  public METSStructure getStructure(String name)
+  { return (METSStructure) this.children.get(name);
+  }
 
-    public void addDivision(String structureName, METSDivision division)
-    {   METSStructure structure = (METSStructure) this.children.get(structureName);
+  /**
+   *  Find the divisions that contain a list of given files
+   *
+   *  @param <code>List</code> the list of files to find...
+   *  @return <code>List</code> the matching divisions.
+   */
+  public List findDivisionsForFiles(List listOfFileIdentifiers)
+  { List reply = new ArrayList();
 
-        if (structure != null)
-        { structure.addDivision(division);
-        }
-    }
+    // iterate across all the children...
+    Iterator structures = this.children.values().iterator();
+    
+    while (structures.hasNext())
+    { METSStructure structure = (METSStructure) structures.next();
 
-    public void addSubDivision(String structureName, String divisionID, METSDivision division)
-    {   METSStructure structure = (METSStructure) this.children.get(structureName);
+      structure.findDivisionsForFiles(listOfFileIdentifiers, reply);      
+    }    
+    return reply;
+  }
 
-        if (structure != null)
-        { structure.addSubDivision(divisionID, division);
-        }
-    }
+  /**
+   *  Add a division to an indicated structure.
+   *
+   *  @param <code>String</code> the structure identifier
+   *  @param <code>METSDivision</code> the division to be added.
+   */
+  public void addDivision(String structureName, METSDivision division)
+  { METSStructure structure = (METSStructure) this.children.get(structureName);
 
-    public METSDivision getDivision(String structureName, String divisionID)
-    {   METSStructure structure = (METSStructure) this.children.get(structureName);
-
-        if (structure != null)
-        { return structure.getDivision(divisionID);
-        }
-        return null;
-    }
-
-    public void write(PrintWriter writer)
-    { Iterator groups = this.children.values().iterator();
-
-        while (groups.hasNext())
-        {   METSStructure group = (METSStructure) groups.next();
-
-            group.write(writer);
-        }
-    }
-
-  public void writeSQL(DocumentInterface document, GS3SQLConnection connection)
-  { Iterator groups = this.children.values().iterator();
-    
-    while (groups.hasNext())
-    { METSStructure group = (METSStructure) groups.next();
-
-      group.writeSQL(document, connection);
+    if (structure != null)
+    { structure.addDivision(division);
     }
   }
 
+  /**
+   *  Add a division to an indicated division within structure.
+   *
+   *  @param <code>String</code> the structure identifier
+   *  @param <code>String</code> the division identifer, within which the division
+   *         is to be placed.
+   *  @param <code>METSDivision</code> the division to be added.
+   */
+  public void addSubDivision(String structureName, String divisionID, METSDivision division)
+  { METSStructure structure = (METSStructure) this.children.get(structureName);
+
+    if (structure != null)
+    { structure.addSubDivision(divisionID, division);
+    }
+  }
+
+  public METSDivision getDivision(String structureName, String divisionID)
+  { METSStructure structure = (METSStructure) this.children.get(structureName);
+
+    if (structure != null)
+    { return structure.getDivision(divisionID);
+    }
+    return null;
+  }
+
+  public void write(PrintWriter writer)
+  { Iterator structures = this.children.values().iterator();
+
+    while (structures.hasNext())
+    { METSStructure group = (METSStructure) structures.next();
+
+      group.write(writer);
+    }
+  }
+
+  public boolean writeSQL(DocumentInterface document, GS3SQLConnection connection)
+  { Iterator structures = this.children.values().iterator();
+    
+    while (structures.hasNext())
+    { METSStructure group = (METSStructure) structures.next();
+
+      if (!group.writeSQL(document, connection))
+      { return false;
+      }
+    }
+    return true;
+  }
+
+  public static METSStructureSet readSQL(DocumentInterface document, GS3SQLConnection connection)
+  { 
+    METSStructureSet set = new METSStructureSet();
+
+    GS3SQLSelect select = new GS3SQLSelect("structure");
+    select.addField("*");
+    GS3SQLWhereItem whereItem = new GS3SQLWhereItem("DocID", "=", document.getID().toString());
+    select.setWhere(new GS3SQLWhere(whereItem));
+    connection.execute(select.toString());
+
+    // start going through the matching metadata blocks
+    try {
+      ResultSet resultSet = connection.getResultSet();
+      resultSet.first();
+      do {
+    METSStructure structure = METSStructure.readSQL(document, connection, resultSet);
+    if (structure != null) {
+      set.addStructure(structure);
+    }
+      } while (resultSet.next());
+    }
+    catch (SQLException sqlEx) {
+      System.out.println(sqlEx);
+      System.exit(1);
+    }
+
+    return set;
+  }
+
 }