/*---------------- FILE HEADER ------------------------------------------
This file is part of deegree.
Copyright (C) 2001-2006 by:
EXSE, Department of Geography, University of Bonn
http://www.giub.uni-bonn.de/deegree/
lat/lon GmbH
http://www.lat-lon.de
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
Contact:
Andreas Poth
lat/lon GmbH
Aennchenstr. 19
53115 Bonn
Germany
E-Mail: poth@lat-lon.de
Prof. Dr. Klaus Greve
Department of Geography
University of Bonn
Meckenheimer Allee 166
53115 Bonn
Germany
E-Mail: greve@giub.uni-bonn.de
---------------------------------------------------------------------------*/
package org.deegree.model.table;
import java.util.ArrayList;
import java.util.HashMap;
/**
*
*
* @author <a href="mailto:poth@lat-lon.de">Andreas Poth </a>
* @version $Revision: 1.9 $ $Date: 2006/07/12 14:46:19 $
*/
public class DefaultTable implements Table {
private String tableName = "";
private ArrayList rows = null;
private String[] columnNames = null;
private int[] columnTypes = null;
private HashMap columnNamesMap = new HashMap();
/**
* @param tableName
* @param columnNames
* @param columnTypes
* @throws TableException
*/
public DefaultTable(String tableName, String[] columnNames,
int[] columnTypes) throws TableException {
setTableName(tableName);
if (columnTypes == null)
throw new TableException(
"Invalid column types. Column types = null");
this.columnTypes = columnTypes;
if (columnNames == null) {
this.columnNames = new String[columnTypes.length];
for (int i = 0; i < this.columnNames.length; i++) {
this.columnNames[i] = "";
}
} else {
this.columnNames = new String[columnNames.length];
for (int i = 0; i < columnNames.length; i++) {
this.columnNames[i] = columnNames[i].toUpperCase();
columnNamesMap.put(this.columnNames[i], new Integer(i));
}
}
if (columnTypes.length != this.columnNames.length) {
throw new TableException("column names and types are not of the "
+ "same length");
}
rows = new ArrayList(1000);
}
/**
* @param tableName
* @param columnNames
* @param columnTypes
* @param data
* @throws TableException
*/
public DefaultTable(String tableName, String[] columnNames,
int[] columnTypes, Object[][] data) throws TableException {
this(tableName, columnNames, columnTypes);
rows = new ArrayList(data.length);
for (int i = 0; i < data.length; i++) {
appendRow(data[i]);
}
}
/**
* @param tableName
* @param columnNames
* @param columnTypes
* @param initialCapacity
* @throws TableException
*/
public DefaultTable(String tableName, String[] columnNames,
int[] columnTypes, int initialCapacity) throws TableException {
this(tableName, columnNames, columnTypes);
rows.ensureCapacity(initialCapacity);
}
/**
* returns the name of the table. If the table hasn't a name an empty string
* ("") will be returned.
*
* @uml.property name="tableName"
*/
public String getTableName() {
return tableName;
}
/**
* @see org.deegree.model.table.DefaultTable#getTableName()
*
* @uml.property name="tableName"
*/
public void setTableName(String tableName) {
this.tableName = tableName;
}
/**
* returns the value of the table field indexed by <tt>row</tt> and
* <tt>col</tt>
*/
public Object getValueAt(int row, int col) {
ArrayList tmp = (ArrayList) rows.get(row);
return tmp.get(col);
}
/**
* set a value at the table field indexed by <tt>row</tt> and <tt>col</tt>
*/
public void setValueAt(Object value, int row, int col) {
ArrayList tmp = (ArrayList) rows.get(row);
tmp.set(col, value);
}
/**
* returns the data of the row'th row of the table
*/
public Object[] getRow(int row) {
ArrayList tmp = (ArrayList) rows.get(row);
return tmp.toArray();
}
/**
* sets the data of the row'th row
*/
public void setRow(Object[] data, int row) throws TableException {
if (this.getColumnCount() != data.length) {
throw new TableException(
"submitted row doesn't have the same length"
+ " as the table has columns.");
}
ArrayList tmp = (ArrayList) rows.get(row);
for (int i = 0; i < data.length; i++) {
tmp.set(i, data[i]);
}
}
/**
* appends a row to the table and sets its data
*/
public void appendRow(Object[] data) throws TableException {
if (this.getColumnCount() != data.length) {
throw new TableException(
"submitted row doesn't have the same length"
+ " as the table has columns.");
}
ArrayList tmp = new ArrayList(data.length);
for (int i = 0; i < data.length; i++) {
tmp.add(data[i]);
}
rows.add(tmp);
}
/**
* returns the number rows of the table
*/
public int getRowCount() {
return rows.size();
}
/**
* adds a new column to the table. for this a computional expensive
* operation this method should be used with care.
*/
public void addColumn(String name, int type) {
String[] s1 = new String[columnNames.length + 1];
int[] s2 = new int[columnNames.length + 1];
for (int i = 0; i < columnNames.length; i++) {
s1[i] = columnNames[i];
s2[i] = columnTypes[i];
}
s1[s1.length - 1] = name;
s2[s2.length - 1] = type;
columnNames = s1;
columnTypes = s2;
for (int i = 0; i < rows.size(); i++) {
ArrayList tmp = (ArrayList) rows.get(i);
tmp.add("");
}
}
/**
* returns the number columns of the table
*/
public int getColumnCount() {
return columnNames.length;
}
/**
* returns the names of all table columns. If a column hasn't a name a empty
* String ("") will be returned.
*
* @uml.property name="columnNames"
*/
public String[] getColumnNames() {
return columnNames;
}
/**
* returns the name of the specified column. If a column hasn't a name a
* empty String ("") will be returned.
*/
public String getColumnName(int col) {
return columnNames[col];
}
/**
* returns the names of all column types. For each column a type (name of a
* java class) has to be defined.
*
* @uml.property name="columnTypes"
*/
public int[] getColumnTypes() {
return columnTypes;
}
/**
* returns the name of the type of the specifies column. For each column a
* type (name of a java class) has to be defined.
*/
public int getColumnType(int col) {
return columnTypes[col];
}
/**
* sets the type of a column.
*/
public void setColumnType(int col, int type) throws TableException {
columnTypes[col] = type;
}
/**
* sets the name of a column.
*/
public void setColumnName(int col, String name) {
columnNames[col] = name;
}
/**
* removes a row from the table
*/
public Object[] removeRow(int index) {
ArrayList list = (ArrayList) rows.remove(index);
return list.toArray();
}
/**
* export the table as a instance of <tt>javax.swing.table.TableModel</tt>.
* The instance will be created using the
* <tt>javax.swing.table.DefaultTableModel</tt>
*/
public javax.swing.table.TableModel exportAsJDKTableModel() {
return null;
}
/**
* returns the index of the submitted columns name. If no column with that
* name if present -1 will be returned. the test is not case sensitive
*
*/
public int getColumnIndex(String columnName) {
Integer index = (Integer) columnNamesMap.get(columnName.toUpperCase());
return index.intValue();
}
public String toString() {
StringBuffer sb = new StringBuffer(100000);
for (int i = 0; i < getRowCount(); i++) {
sb.append("row: " + i);
for (int c = 0; c < getColumnCount(); c++) {
sb.append(getColumnName(c) + ": " + getValueAt(i, c));
}
}
return sb.toString();
}
}
/* ********************************************************************
Changes to this class. What the people have been up to:
$Log: DefaultTable.java,v $
Revision 1.9 2006/07/12 14:46:19 poth
comment footer added
********************************************************************** */