/**
* ObjectArrayValueHolder - ValueHolder which stores an array of objects.
*
* Copyright (c) 2002
* Marty Phelan, All rights reserved.
*
* 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
*
*/
package com.taursys.model;
import java.util.Collection;
import java.util.Iterator;
import com.taursys.util.DataTypes;
import com.taursys.util.UnsupportedDataTypeException;
import com.taursys.model.ModelException;
import com.taursys.model.event.ContentChangeEvent;
import javax.swing.event.ChangeEvent;
import javax.swing.event.ChangeListener;
import java.util.Vector;
/**
* ValueHolder which stores an array of objects. The get/setPropertyValue
* methods simply return the object in the current position.
*/
public class ObjectArrayValueHolder extends AbstractValueHolder
implements CollectionValueHolder {
private Object[] array;
private int position = -1;
/**
* Constructs a new ObjectArrayValueHolder.
*/
public ObjectArrayValueHolder() {
}
/**
* Constructs a new ObjectArrayValueHolder with the given array.
*/
public ObjectArrayValueHolder(Object[] newArray) {
array = newArray;
}
/**
* Sets the given array as the internal array of objects.
* @deprecated - use setArray - this method will be removed soon
*/
public void setVariantArray(Object[] newArray) {
array = newArray;
}
/**
* Returns the current object array.
* @deprecated - use setArray - this method will be removed soon
*/
public Object[] getVariantArray() {
return array;
}
/**
* Sets the given array as the internal array of objects.
*/
public void setArray(Object[] newArray) {
array = newArray;
}
/**
* Returns the current object array.
*/
public Object[] getArray() {
return array;
}
/**
* Returns the current object in array (propertyName is ignored).
*/
public Object getPropertyValue(String propertyName) throws ModelException {
return array[position];
}
/**
* Sets the current object in array (propertyName is ignored).
*/
public void setPropertyValue(String propertyName, Object newValue)
throws ModelException {
array[position] = newValue;
if (!isMultiplePropertiesChanging())
fireStateChanged(new ContentChangeEvent(this, newValue == null));
}
/**
* Always returns DataTypes.TYPE_UNDEFINED (propertyName is ignored)
*/
public int getJavaDataType(String propertyName) throws ModelException {
return DataTypes.TYPE_UNDEFINED;
}
/**
* Indicates whether there is another (any) Objects in the array.
* This method true if there is another element in the array.
*/
public boolean hasNext() {
return (position+1 < array.length);
}
/**
* Increments the position in the array. You should invoke the hasNext
* method BEFORE invoking this method to ensure that there IS another object.
* Fires a StateChanged event to any listeners.
*/
public void next() {
position++;
fireStateChanged(new ChangeEvent(this));
}
/**
* Resets the position in the array to -1.
*/
public void reset() {
position = -1;
}
/**
* Returns the object in the current position. You should ensure that the
* current position is valid before invoking this method.
*/
public Object getObject() {
return array[position];
}
/**
* Sets (replace/copy) the object in the current position. You should ensure
* that the current position is valid before invoking this method. Depending
* on the specific implementation, the given object may either replace the
* current object in the list, or the property values of the given object may
* be copied to the current object in the list.
* Fires a StateChanged event to any listeners.
*/
public void setObject(Object obj) {
array[position] = obj;
fireStateChanged(new ChangeEvent(this));
}
public int size() {
if (array != null)
return array.length;
else
return 0;
}
public boolean isEmpty() {
return size() == 0;
}
public boolean contains(Object o) {
/**@todo: Implement this java.util.Collection method*/
throw new java.lang.UnsupportedOperationException("Method contains() not yet implemented.");
}
public Iterator iterator() {
/**@todo: Implement this java.util.Collection method*/
throw new java.lang.UnsupportedOperationException("Method iterator() not yet implemented.");
}
public Object[] toArray() {
/**@todo: Implement this java.util.Collection method*/
throw new java.lang.UnsupportedOperationException("Method toArray() not yet implemented.");
}
public Object[] toArray(Object[] a) {
/**@todo: Implement this java.util.Collection method*/
throw new java.lang.UnsupportedOperationException("Method toArray() not yet implemented.");
}
public boolean add(Object o) {
/**@todo: Implement this java.util.Collection method*/
throw new java.lang.UnsupportedOperationException("Method add() not yet implemented.");
}
public boolean remove(Object o) {
/**@todo: Implement this java.util.Collection method*/
throw new java.lang.UnsupportedOperationException("Method remove() not yet implemented.");
}
public boolean containsAll(Collection c) {
/**@todo: Implement this java.util.Collection method*/
throw new java.lang.UnsupportedOperationException("Method containsAll() not yet implemented.");
}
public boolean addAll(Collection c) {
/**@todo: Implement this java.util.Collection method*/
throw new java.lang.UnsupportedOperationException("Method addAll() not yet implemented.");
}
public boolean removeAll(Collection c) {
/**@todo: Implement this java.util.Collection method*/
throw new java.lang.UnsupportedOperationException("Method removeAll() not yet implemented.");
}
public boolean retainAll(Collection c) {
/**@todo: Implement this java.util.Collection method*/
throw new java.lang.UnsupportedOperationException("Method retainAll() not yet implemented.");
}
public void clear() {
/**@todo: Implement this java.util.Collection method*/
throw new java.lang.UnsupportedOperationException("Method clear() not yet implemented.");
}
public boolean equals(Object o) {
/**@todo: Implement this java.util.Collection method*/
throw new java.lang.UnsupportedOperationException("Method equals() not yet implemented.");
}
public void stateChanged(ChangeEvent e) {
/**@todo: Implement this java.util.Collection method*/
throw new java.lang.UnsupportedOperationException("Method equals() not yet implemented.");
}
}