Application: gvSIG desktop » gvSIG raster

/* gvSIG. Desktop Geographic Information System.

 *

 * Copyright ? 2007-2017 gvSIG Association

 *

 * This program is free software; you can redistribute it and/or

 * modify it under the terms of the GNU General Public License

 * as published by the Free Software Foundation; either version 2

 * of the License, or (at your option) any later version.

 *

 * This program 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 General Public License for more details.

 *

 * You should have received a copy of the GNU General Public License

 * along with this program; if not, write to the Free Software

 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,

 * MA  02110-1301, USA.

 *

 * For any additional information, do not hesitate to contact us

 * at info AT gvsig.com, or visit our website www.gvsig.com.

 */

package org.gvsig.raster.lib.buffer.impl.operations;

import java.util.ArrayList;

import java.util.Collection;

import java.util.Iterator;

import java.util.List;

import java.util.ListIterator;

import org.gvsig.raster.lib.buffer.api.Buffer;

import org.gvsig.raster.lib.buffer.api.BufferLocator;

import org.gvsig.raster.lib.buffer.api.exceptions.BufferOperationException;

import org.gvsig.raster.lib.buffer.api.operations.Operation;

import org.gvsig.raster.lib.buffer.api.operations.OperationFactory;

import org.gvsig.raster.lib.buffer.api.operations.OperationFactory.Applicable;

import org.gvsig.raster.lib.buffer.api.operations.OperationList;

import org.gvsig.raster.lib.buffer.api.operations.OperationListEntry;

import org.gvsig.raster.lib.buffer.spi.OperationListManager;

import org.gvsig.tools.dynobject.DynObject;

/**

 * @author fdiaz

 *

 */

public class DefaultOperationList implements OperationList {

    private List<OperationListEntry> operations;

    /**

     *

     */

    public DefaultOperationList() {

        this.operations = new ArrayList<OperationListEntry>();

    }

    /* (non-Javadoc)

     * @see java.util.List#size()

     */

    @Override

    public int size() {

        return this.operations.size();

    }

    /* (non-Javadoc)

     * @see java.util.List#isEmpty()

     */

    @Override

    public boolean isEmpty() {

        return this.operations.isEmpty();

    }

    /* (non-Javadoc)

     * @see java.util.List#contains(java.lang.Object)

     */

    @Override

    public boolean contains(Object o) {

        return this.operations.contains(o);

    }

    /* (non-Javadoc)

     * @see java.util.List#iterator()

     */

    @Override

    public Iterator<OperationListEntry> iterator() {

        return this.operations.iterator();

    }

    /* (non-Javadoc)

     * @see java.util.List#toArray()

     */

    @Override

    public Object[] toArray() {

        return this.operations.toArray();

    }

    /* (non-Javadoc)

     * @see java.util.List#toArray(java.lang.Object[])

     */

    @Override

    public <T> T[] toArray(T[] a) {

        return this.operations.toArray(a);

    }

    /* (non-Javadoc)

     * @see java.util.List#add(java.lang.Object)

     */

    @Override

    public boolean add(OperationListEntry e) {

        return this.operations.add(e);

    }

    /* (non-Javadoc)

     * @see java.util.List#remove(java.lang.Object)

     */

    @Override

    public boolean remove(Object o) {

        return this.operations.remove(o);

    }

    /* (non-Javadoc)

     * @see java.util.List#containsAll(java.util.Collection)

     */

    @Override

    public boolean containsAll(Collection<?> c) {

        return this.operations.containsAll(c);

    }

    /* (non-Javadoc)

     * @see java.util.List#addAll(java.util.Collection)

     */

    @Override

    public boolean addAll(Collection<? extends OperationListEntry> c) {

        return this.operations.addAll(c);

    }

    /* (non-Javadoc)

     * @see java.util.List#addAll(int, java.util.Collection)

     */

    @Override

    public boolean addAll(int index, Collection<? extends OperationListEntry> c) {

        return this.operations.addAll(index, c);

    }

    /* (non-Javadoc)

     * @see java.util.List#removeAll(java.util.Collection)

     */

    @Override

    public boolean removeAll(Collection<?> c) {

        return this.operations.removeAll(c);

    }

    /* (non-Javadoc)

     * @see java.util.List#retainAll(java.util.Collection)

     */

    @Override

    public boolean retainAll(Collection<?> c) {

        return this.operations.retainAll(c);

    }

    /* (non-Javadoc)

     * @see java.util.List#clear()

     */

    @Override

    public void clear() {

        this.operations.clear();

    }

    /* (non-Javadoc)

     * @see java.util.List#get(int)

     */

    @Override

    public OperationListEntry get(int index) {

        return this.operations.get(index);

    }

    /* (non-Javadoc)

     * @see java.util.List#set(int, java.lang.Object)

     */

    @Override

    public OperationListEntry set(int index, OperationListEntry element) {

        return this.operations.set(index, element);

    }

    /* (non-Javadoc)

     * @see java.util.List#add(int, java.lang.Object)

     */

    @Override

    public void add(int index, OperationListEntry element) {

        this.operations.add(index, element);

    }

    /* (non-Javadoc)

     * @see java.util.List#remove(int)

     */

    @Override

    public OperationListEntry remove(int index) {

        return this.operations.remove(index);

    }

    /* (non-Javadoc)

     * @see java.util.List#indexOf(java.lang.Object)

     */

    @Override

    public int indexOf(Object o) {

        return this.operations.indexOf(o);

    }

    /* (non-Javadoc)

     * @see java.util.List#lastIndexOf(java.lang.Object)

     */

    @Override

    public int lastIndexOf(Object o) {

        return this.operations.lastIndexOf(o);

    }

    /* (non-Javadoc)

     * @see java.util.List#listIterator()

     */

    @Override

    public ListIterator<OperationListEntry> listIterator() {

        return this.operations.listIterator();

    }

    /* (non-Javadoc)

     * @see java.util.List#listIterator(int)

     */

    @Override

    public ListIterator<OperationListEntry> listIterator(int index) {

        return this.operations.listIterator(index);

    }

    /* (non-Javadoc)

     * @see java.util.List#subList(int, int)

     */

    @Override

    public List<OperationListEntry> subList(int fromIndex, int toIndex) {

        return this.operations.subList(fromIndex, toIndex);

    }

    /* (non-Javadoc)

     * @see org.gvsig.raster.lib.buffer.api.operations.OperationList#execute(org.gvsig.raster.lib.buffer.api.Buffer)

     */

    @Override

    public Buffer execute(Buffer buffer) throws BufferOperationException {

        Buffer tmpBuffer = buffer;

        for (Iterator<OperationListEntry> iterator = operations.iterator(); iterator.hasNext();) {

            OperationListEntry operationListEntry = (OperationListEntry) iterator.next();

            Operation operation = operationListEntry.getOperation();

            DynObject parameters = operationListEntry.getParameters();

            OperationFactory factory = operation.getFactory();

            if(operationListEntry.isActive()){

                if(factory.isApplicable(tmpBuffer).equals(Applicable.NO)){

                    throw new IllegalArgumentException("The operation is not applicable to the input buffer");

                }

                tmpBuffer = operation.execute(tmpBuffer, parameters);

            }

        }

        return tmpBuffer;

    }

    /* (non-Javadoc)

     * @see org.gvsig.raster.lib.buffer.api.operations.OperationList#add(org.gvsig.raster.lib.buffer.api.operations.Operation, org.gvsig.tools.dynobject.DynObject)

     */

    @Override

    public void add(Operation operation, DynObject parameters) {

        OperationListManager operationListManager = ((OperationListManager)BufferLocator.getBufferManager());

        OperationListEntry entry = operationListManager.createOperationListEntry(operation, parameters);

        this.operations.add(entry);

    }

    @Override

    public void add(int index, Operation operation, DynObject parameters) {

        OperationListManager operationListManager = ((OperationListManager)BufferLocator.getBufferManager());

        OperationListEntry entry = operationListManager.createOperationListEntry(operation, parameters);

        this.operations.add(index, entry);

    }

    @Override

    public OperationListEntry getEntry(String name) {

        for (Iterator<OperationListEntry> iterator = operations.iterator(); iterator.hasNext();) {

            OperationListEntry operationListEntry = (OperationListEntry) iterator.next();

            Operation operation = operationListEntry.getOperation();

            if(operation.getFactory().getName().equals(name)){

                return operationListEntry;

            }

        }

        return null;

    }

    @Override

    public Object getThrownDynValue(String name) {

        ListIterator<OperationListEntry> li = operations.listIterator(operations.size());

         // Iterate in reverse.

         while(li.hasPrevious()) {

             OperationListEntry operationListEntry = (OperationListEntry) li.previous();

             if(operationListEntry.getParameters().hasDynValue(name)) {

                 return operationListEntry.getParameters().getDynValue(name);

             }

         }

        return null;

    }

}