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Revision 29

Added by Matt Jones about 24 years ago

general cleanup and documentation

View differences:

DBSAXHandler.java
22 22 

  		




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  23
  
    
import oracle.xml.parser.v2.SAXParser;


  		




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class DBSAXHandler extends DefaultXMLDocumentHandler


  		




  
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public class DBSAXHandler extends DefaultXMLDocumentHandler


  		




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{


  		




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   private boolean 	debug 	= false;


  		












  

    
      src/edu/ucsb/nceas/metacat/DBSAXHandler.java
    
  





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import oracle.xml.parser.v2.SAXParser;


  		




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class DBSAXHandler extends DefaultXMLDocumentHandler


  		




  
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public class DBSAXHandler extends DefaultXMLDocumentHandler


  		




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{


  		




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   private boolean 	debug 	= false;


  		












  

    
      src/edu/ucsb/nceas/metacat/ElementNode.java
    
  





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        value.append('>');


  		




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        return value.toString();


  		




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    }


  		




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}


  		












  

    
      src/edu/ucsb/nceas/metacat/DBWriter.java
    
  





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     }


  		




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  }


  		




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  private DBSAXWriter( String filename, String user, 


  		




  
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  public DBSAXWriter( String filename, String user, 


  		




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                  String password, String dbstring) 


  		




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                  throws IOException, 


  		




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                         SQLException, 


  		












  

    
      src/edu/ucsb/nceas/metacat/BasicNode.java
    
  





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public class BasicElement {


  		




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    protected long		element_id;


  		




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    protected String		tagname;


  		




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    protected StringBuffer	content;


  		




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    protected long		parent_id;


  		




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    protected Hashtable		attributes;


  		




  
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    private long		element_id;


  		




  
  20
  
    
    private String		tagname;


  		




  
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    private StringBuffer	content;


  		




  
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    private long		parent_id;


  		




  
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    private Hashtable		attributes;


  		




  24
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    public BasicElement () {


  		




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      content = new StringBuffer();


  		












  

    
      src/edu/ucsb/nceas/metacat/DBSAXNode.java
    
  





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        try {


  		




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          conn.setAutoCommit(false);


  		




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          PreparedStatement pstmt;


  		




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          if (parent_id != 0) {


  		




  
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          if (getParentID() != 0) {


  		




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            pstmt = conn.prepareStatement(


  		




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                "INSERT INTO xml_nodes (nodeid, nodetype, " +


  		




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                "nodename, parentnodeid) VALUES (null, ?, ?, ?)");


  		




  ......




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          // Bind the values to the query


  		




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          pstmt.setString(1, "ELEMENT");


  		




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          pstmt.setString(2, getTagName());


  		




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          if (parent_id != 0) {


  		




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            pstmt.setLong(3, parent_id);


  		




  
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          if (getParentID() != 0) {


  		




  
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            pstmt.setLong(3, getParentID());


  		




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          }


  		




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          // Do the insertion


  		




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          pstmt.execute();


  		




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          pstmt.close();


  		




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          this.element_id = getAssignedElementID();


  		




  
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          setElementID(getAssignedElementID());


  		




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          conn.commit();


  		




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          conn.setAutoCommit(true);


  		




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        } catch (SQLException e) {


  		




  ......




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    public void setAttribute(String attName, String attValue) {


  		




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      if (attName != null) {


  		




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        // Enter the attribute in the hash table


  		




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        attributes.put(attName, attValue);


  		




  
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        super.setAttribute(attName, attValue);


  		




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        // And enter the attribute in the database


  		




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        try {


  		




  ......




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                "UPDATE xml_nodes SET nodedata = ? WHERE nodeid = ?");


  		




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          // Bind the values to the query


  		




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          pstmt.setString(1, getContent());// The first ? is for NODEDATA


  		




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          pstmt.setLong(2, element_id); // The second ? is for NODEID


  		




  
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          pstmt.setString(1, getContent());


  		




  
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          pstmt.setLong(2, getElementID());


  		




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          // Do the update


  		




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          pstmt.execute();


  		












  

    
      src/edu/ucsb/nceas/metacat/DBReader.java
    
  





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     }


  		




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  }


  		




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  private DBReader( String user, String password, String dbstring) 


  		




  
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  public DBReader( String user, String password, String dbstring) 


  		




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                  throws IOException, 


  		




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                         SQLException, 


  		




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                         ClassNotFoundException


  		












  

    
      src/edu/ucsb/nceas/metacat/BasicElement.java
    
  





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public class BasicElement {


  		




  18
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    protected long		element_id;


  		




  20
  
  
    
    protected String		tagname;


  		




  21
  
  
    
    protected StringBuffer	content;


  		




  22
  
  
    
    protected long		parent_id;


  		




  23
  
  
    
    protected Hashtable		attributes;


  		




  
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    private long		element_id;


  		




  
  20
  
    
    private String		tagname;


  		




  
  21
  
    
    private StringBuffer	content;


  		




  
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    private long		parent_id;


  		




  
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    private Hashtable		attributes;


  		




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    public BasicElement () {


  		




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      content = new StringBuffer();


  		












  

    
      src/edu/ucsb/nceas/metacat/DBSAXElement.java
    
  





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        try {


  		




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          conn.setAutoCommit(false);


  		




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          PreparedStatement pstmt;


  		




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          if (parent_id != 0) {


  		




  
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          if (getParentID() != 0) {


  		




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            pstmt = conn.prepareStatement(


  		




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                "INSERT INTO xml_nodes (nodeid, nodetype, " +


  		




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                "nodename, parentnodeid) VALUES (null, ?, ?, ?)");


  		




  ......




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          // Bind the values to the query


  		




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          pstmt.setString(1, "ELEMENT");


  		




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          pstmt.setString(2, getTagName());


  		




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          if (parent_id != 0) {


  		




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            pstmt.setLong(3, parent_id);


  		




  
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          if (getParentID() != 0) {


  		




  
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            pstmt.setLong(3, getParentID());


  		




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          }


  		




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          // Do the insertion


  		




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          pstmt.execute();


  		




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          pstmt.close();


  		




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          this.element_id = getAssignedElementID();


  		




  
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          setElementID(getAssignedElementID());


  		




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          conn.commit();


  		




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          conn.setAutoCommit(true);


  		




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        } catch (SQLException e) {


  		




  ......




  97
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    public void setAttribute(String attName, String attValue) {


  		




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      if (attName != null) {


  		




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        // Enter the attribute in the hash table


  		




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        attributes.put(attName, attValue);


  		




  
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        super.setAttribute(attName, attValue);


  		




  101
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  102
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        // And enter the attribute in the database


  		




  103
  103
  
    
        try {


  		




  ......




  130
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                "UPDATE xml_nodes SET nodedata = ? WHERE nodeid = ?");


  		




  131
  131
  
    

  		




  132
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          // Bind the values to the query


  		




  133
  
  
    
          pstmt.setString(1, getContent());// The first ? is for NODEDATA


  		




  134
  
  
    
          pstmt.setLong(2, element_id); // The second ? is for NODEID


  		




  
  133
  
    
          pstmt.setString(1, getContent());


  		




  
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          pstmt.setLong(2, getElementID());


  		




  135
  135
  
    

  		




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          // Do the update


  		




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          pstmt.execute();


  		












  

    
      src/edu/ucsb/nceas/metacat/ReaderElement.java
    
  





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        value.append('>');


  		




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        return value.toString();


  		




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    }


  		




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}


  		












  

    
      src/edu/ucsb/nceas/metacat/DBSAXWriter.java
    
  





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     }


  		




  62
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  }


  		




  63
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  64
  
  
    
  private DBSAXWriter( String filename, String user, 


  		




  
  64
  
    
  public DBSAXWriter( String filename, String user, 


  		




  65
  65
  
    
                  String password, String dbstring) 


  		




  66
  66
  
    
                  throws IOException, 


  		




  67
  67
  
    
                         SQLException, 


  		












  

    
      DBReader.java
    
  





  55
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     }


  		




  56
  56
  
    
  }


  		




  57
  57
  
    
  


  		




  58
  
  
    
  private DBReader( String user, String password, String dbstring) 


  		




  
  58
  
    
  public DBReader( String user, String password, String dbstring) 


  		




  59
  59
  
    
                  throws IOException, 


  		




  60
  60
  
    
                         SQLException, 


  		




  61
  61
  
    
                         ClassNotFoundException


  		












  

    
      BasicElement.java
    
  





  16
  16
  
    

  		




  17
  17
  
    
public class BasicElement {


  		




  18
  18
  
    

  		




  19
  
  
    
    protected long		element_id;


  		




  20
  
  
    
    protected String		tagname;


  		




  21
  
  
    
    protected StringBuffer	content;


  		




  22
  
  
    
    protected long		parent_id;


  		




  23
  
  
    
    protected Hashtable		attributes;


  		




  
  19
  
    
    private long		element_id;


  		




  
  20
  
    
    private String		tagname;


  		




  
  21
  
    
    private StringBuffer	content;


  		




  
  22
  
    
    private long		parent_id;


  		




  
  23
  
    
    private Hashtable		attributes;


  		




  24
  24
  
    

  		




  25
  25
  
    
    public BasicElement () {


  		




  26
  26
  
    
      content = new StringBuffer();


  		












  

    
      DBSAXElement.java
    
  





  33
  33
  
    
        try {


  		




  34
  34
  
    
          conn.setAutoCommit(false);


  		




  35
  35
  
    
          PreparedStatement pstmt;


  		




  36
  
  
    
          if (parent_id != 0) {


  		




  
  36
  
    
          if (getParentID() != 0) {


  		




  37
  37
  
    
            pstmt = conn.prepareStatement(


  		




  38
  38
  
    
                "INSERT INTO xml_nodes (nodeid, nodetype, " +


  		




  39
  39
  
    
                "nodename, parentnodeid) VALUES (null, ?, ?, ?)");


  		




  ......




  46
  46
  
    
          // Bind the values to the query


  		




  47
  47
  
    
          pstmt.setString(1, "ELEMENT");


  		




  48
  48
  
    
          pstmt.setString(2, getTagName());


  		




  49
  
  
    
          if (parent_id != 0) {


  		




  50
  
  
    
            pstmt.setLong(3, parent_id);


  		




  
  49
  
    
          if (getParentID() != 0) {


  		




  
  50
  
    
            pstmt.setLong(3, getParentID());


  		




  51
  51
  
    
          }


  		




  52
  52
  
    
          // Do the insertion


  		




  53
  53
  
    
          pstmt.execute();


  		




  54
  54
  
    
          pstmt.close();


  		




  55
  
  
    
          this.element_id = getAssignedElementID();


  		




  
  55
  
    
          setElementID(getAssignedElementID());


  		




  56
  56
  
    
          conn.commit();


  		




  57
  57
  
    
          conn.setAutoCommit(true);


  		




  58
  58
  
    
        } catch (SQLException e) {


  		




  ......




  97
  97
  
    
    public void setAttribute(String attName, String attValue) {


  		




  98
  98
  
    
      if (attName != null) {


  		




  99
  99
  
    
        // Enter the attribute in the hash table


  		




  100
  
  
    
        attributes.put(attName, attValue);


  		




  
  100
  
    
        super.setAttribute(attName, attValue);


  		




  101
  101
  
    
 


  		




  102
  102
  
    
        // And enter the attribute in the database


  		




  103
  103
  
    
        try {


  		




  ......




  130
  130
  
    
                "UPDATE xml_nodes SET nodedata = ? WHERE nodeid = ?");


  		




  131
  131
  
    

  		




  132
  132
  
    
          // Bind the values to the query


  		




  133
  
  
    
          pstmt.setString(1, getContent());// The first ? is for NODEDATA


  		




  134
  
  
    
          pstmt.setLong(2, element_id); // The second ? is for NODEID


  		




  
  133
  
    
          pstmt.setString(1, getContent());


  		




  
  134
  
    
          pstmt.setLong(2, getElementID());


  		




  135
  135
  
    

  		




  136
  136
  
    
          // Do the update


  		




  137
  137
  
    
          pstmt.execute();


  		












  

    
      ReaderElement.java
    
  





  185
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        value.append('>');


  		




  186
  186
  
    
        return value.toString();


  		




  187
  187
  
    
    }


  		




  188
  
  
    

  		




  189
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}


  		












  

    
      Makefile
    
  





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  6
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USER=jones


  		




  7
  7
  
    

  		




  8
  
  
    
PW=your-pw-goes-here


  		




  
  8
  
    
PW=you-pw-goes-here


  		




  9
  9
  
    

  		




  10
  10
  
    
default: all


  		




  11
  11
  
    

  		












  

    
      DBSAXWriter.java
    
  





  61
  61
  
    
     }


  		




  62
  62
  
    
  }


  		




  63
  63
  
    
  


  		




  64
  
  
    
  private DBSAXWriter( String filename, String user, 


  		




  
  64
  
    
  public DBSAXWriter( String filename, String user, 


  		




  65
  65
  
    
                  String password, String dbstring) 


  		




  66
  66
  
    
                  throws IOException, 


  		




  67
  67
  
    
                         SQLException, 


  		












Also available in:  Unified diff