AbstractTableColumn.java

/*
 *                 Sun Public License Notice
 * 
 * The contents of this file are subject to the Sun Public License
 * Version 1.0 (the "License"). You may not use this file except in
 * compliance with the License. A copy of the License is available at
 * http://www.sun.com/
 * 
 * The Original Code is NetBeans. The Initial Developer of the Original
 * Code is Sun Microsystems, Inc. Portions Copyright 1997-2001 Sun
 * Microsystems, Inc. All Rights Reserved.
 */

package org.netbeans.lib.ddl.impl;

import java.util.*;
import java.sql.*;
import java.text.ParseException;
import org.netbeans.lib.ddl.*;
import org.netbeans.lib.ddl.util.*;
import java.io.Serializable;

/**
* Default implementation of database column. It handles name, column name, it's 
* format and type. If used, column can handle referenced table and column.
* User can add custom properties into format.
*
* @author Slavek Psenicka
*/
public class AbstractTableColumn
            implements Serializable
{
    /** Name and column name. */
    private String name, cname, format;

    /** Type, usually column, primary or foreign key */
    private String otype;

    /** Additional properties 
     * @associates Object*/
    private Map addprops;

    /** Referenced table */
    String reftab;

    /** Referenced column */
    String refcol;

    static final long serialVersionUID =-5128289937199572117L;
    /** Returns name of object */
    public String getObjectName()
    {
        return name;
    }

    /** Sets name of object */
    public void setObjectName(String oname)
    {
        name = oname;
    }

    /** Returns type of object */
    public String getObjectType()
    {
        return otype;
    }

    /** Sets name of column */
    public void setObjectType(String type)
    {
        otype = type;
    }

    /** Returns name of column */
    public String getColumnName()
    {
        return cname;
    }

    /** Sets name of column */
    public void setColumnName(String columnName)
    {
        cname = columnName;
    }

    /** Returns name of column */
    public String getFormat()
    {
        return format;
    }

    /** Sets name of column */
    public void setFormat(String fmt)
    {
        format = fmt;
    }

    /** Returns referenced table */
    public String getReferencedTableName()
    {
        return reftab;
    }

    /** Sets referenced table */
    public void setReferencedTableName(String table)
    {
        reftab = table;
    }

    /** Returns referenced column name */
    public String getReferencedColumnName()
    {
        return refcol;
    }

    /** Sets referenced column name */
    public void setReferencedColumnName(String col)
    {
        refcol = col;
    }

    /** Returns custom property identified by name */
    public Object getProperty(String pname)
    {
        return addprops.get(pname);
    }

    /** Sets property identified by name */
    public void setProperty(String pname, Object pval)
    {
        if (addprops == null) addprops = new HashMap();
        addprops.put(pname, pval);
    }

    /** Returns colum properties.
    * It first copies all custom properties, then sets:
    * object.name		Name of the object
    * column.name		Name of the column
    * These properties are required; an DDLException will throw if you
    * forgot to set it up.
    * fkobject.name		Referenced object name
    * fkcolumn.name		Referenced column name
    */
    public Map getColumnProperties(AbstractCommand cmd)
    throws DDLException
    {
        HashMap args = new HashMap();
        String oname = getObjectName();
        String cname = getColumnName();

        if (addprops != null) args.putAll(addprops);
        if (oname != null) args.put("object.name", oname);
        else throw new DDLException("unknown object name");
        if (cname != null) args.put("column.name", cname);
        else throw new DDLException("unknown column name");

        if (reftab != null) args.put("fkobject.name", reftab);
        if (refcol != null) args.put("fkcolumn.name", refcol);
        return args;
    }

    /**
    * Returns full string representation of column. This string needs no 
    * additional formatting. Throws DDLException if format is not specified 
    * or CommandFormatter can't format it (it uses MapFormat to process entire 
    * lines and can solve [] enclosed expressions as optional.
    */
    public String getCommand(AbstractCommand cmd)
    throws DDLException
    {
        Map cprops;
        if (format == null) throw new DDLException("no format specified");
        try {
            cprops = getColumnProperties(cmd);
            return CommandFormatter.format(format, cprops);
        } catch (Exception e) {
            throw new DDLException(e.getMessage());
        }
    }

    /** Reads object from stream */
    public void readObject(java.io.ObjectInputStream in)
    throws java.io.IOException, ClassNotFoundException
    {
        name = (String)in.readObject();
        cname = (String)in.readObject();
        format = (String)in.readObject();
        otype = (String)in.readObject();
        addprops = (Map)in.readObject();
        reftab = (String)in.readObject();
        refcol = (String)in.readObject();
    }

    /** Writes object to stream */
    public void writeObject(java.io.ObjectOutputStream out)
    throws java.io.IOException
    {
        out.writeObject(name);
        out.writeObject(cname);
        out.writeObject(format);
        out.writeObject(otype);
        out.writeObject(addprops);
        out.writeObject(reftab);
        out.writeObject(refcol);
    }
}

/*
* <<Log>>
*  5    Gandalf   1.4         10/22/99 Ian Formanek    NO SEMANTIC CHANGE - Sun 
*       Microsystems Copyright in File Comment
*  4    Gandalf   1.3         8/17/99  Ian Formanek    Generated serial version 
*       UID
*  3    Gandalf   1.2         5/14/99  Slavek Psenicka new version
*  2    Gandalf   1.1         4/23/99  Slavek Psenicka new version
*  1    Gandalf   1.0         4/6/99   Slavek Psenicka 
* $
*/