Application: gvSIG desktop

package org.gvsig.fmap.dal.spi;

import java.util.ArrayList;

import java.util.Iterator;

import java.util.List;

import org.apache.commons.lang3.StringUtils;

import org.gvsig.fmap.dal.DataServerExplorerParameters;

import org.gvsig.fmap.dal.DataServerExplorerPool;

import org.gvsig.fmap.dal.DataServerExplorerPoolEntry;

import org.gvsig.tools.ToolsLocator;

import org.gvsig.tools.dynobject.DynStruct;

import org.gvsig.tools.persistence.PersistenceManager;

import org.gvsig.tools.persistence.PersistentState;

import org.gvsig.tools.persistence.exception.PersistenceException;

public class DataServerExplorerPoolImpl implements DataServerExplorerPool {

    private static final String PERSISTENCE_DEFINITION_NAME = "DataServerExplorerPool";

    private List<DataServerExplorerPoolEntry> pool;

    public DataServerExplorerPoolImpl() {

        this.pool = new ArrayList();

    }

    @Override

    public boolean contains(String name) {

        DataServerExplorerPoolEntry entry = this.get(name);

        return entry!=null;

    }

    @Override

    public boolean contains(DataServerExplorerPoolEntry entry) {

        return contains(entry.getName());

    }

    @Override

    public boolean isEmpty() {

        return this.pool.isEmpty();

    }

    @Override

    public DataServerExplorerPoolEntry createEntry(String name, String description, DataServerExplorerParameters explorer) {

        DataServerExplorerPoolEntryImpl entry = new DataServerExplorerPoolEntryImpl(name, description, explorer);

        return entry;

    }

    @Override

    public void add(String name, DataServerExplorerParameters explorer) {

        this.add(name, null, explorer);

    }

    @Override

    public void add(String name, String description, DataServerExplorerParameters explorer) {

        DataServerExplorerPoolEntry newexplorer = createEntry(name, description, explorer);

        DataServerExplorerPoolEntry existent = this.get(name);

        if( existent!=null ) {

            newexplorer.copyTo(existent);

        } else {

            this.pool.add(newexplorer);

        }

    }

    @Override

    public void remove(DataServerExplorerPoolEntry entry) {

        this.remove(entry.getName());

    }

    @Override

    public void remove(int explorerIndex) {

        this.pool.remove(explorerIndex);

    }

    @Override

    public void remove(String name) {

        if( StringUtils.isBlank(name) ) {

            return;

        }

        for( int i=0; i<this.pool.size(); i++ ) {

            DataServerExplorerPoolEntry entry = (DataServerExplorerPoolEntry) this.pool.get(i);

            if( name.equalsIgnoreCase(entry.getName()) ) {

                this.remove(i);

            }

        }

    }

    @Override

    public int size() {

        return this.pool.size();

    }

    @Override

    public DataServerExplorerPoolEntry get(int index) {

        return (DataServerExplorerPoolEntry) this.pool.get(index);

    }

    @Override

    public DataServerExplorerPoolEntry get(String name) {

        if( StringUtils.isBlank(name) ) {

            return null;

        }

        for( int i=0; i<this.pool.size(); i++ ) {

            DataServerExplorerPoolEntry entry = (DataServerExplorerPoolEntry) this.pool.get(i);

            if( name.equalsIgnoreCase(entry.getName()) ) {

                return entry;

            }

        }

        return null;

    }

    @Override

    public Iterator iterator() {

        return this.pool.iterator();

    }

    @Override

    public void saveToState(PersistentState state) throws PersistenceException {

        state.set("pool", pool);

    }

    @Override

    public void loadFromState(PersistentState state) throws PersistenceException {

        List l = state.getList("pool");

        this.pool = new ArrayList();

        this.pool.addAll(l);

    }

    public static void registerPersistenceDefinition() {

        PersistenceManager manager = ToolsLocator.getPersistenceManager();

        if ( manager.getDefinition(PERSISTENCE_DEFINITION_NAME) == null ) {

            DynStruct definition

                    = manager.addDefinition(DataServerExplorerPoolImpl.class,

                            PERSISTENCE_DEFINITION_NAME, PERSISTENCE_DEFINITION_NAME

                            + " Persistent definition", null, null);

            definition.addDynFieldList("pool")

                    .setClassOfItems(DataServerExplorerPoolEntryImpl.class)

                    .setMandatory(true)

                    .setPersistent(true);

        }

    }

}