Application: gvSIG desktop

package org.gvsig.fmap.dal;

import java.io.File;

import org.apache.commons.lang3.StringUtils;

import org.gvsig.expressionevaluator.SymbolTable;

import org.gvsig.fmap.dal.feature.FeatureStore;

import org.gvsig.tools.resourcesstorage.ResourcesStorage;

import org.gvsig.tools.util.LabeledValue;

/**

 *

 * @author jjdelcerro

 */

public interface DatabaseWorkspaceManager 

        extends LabeledValue<DatabaseWorkspaceManager>, SymbolTable 

    {

    public interface DatabaseWorkspaceListener {

        public String getName();

        public void onAddDatabaseWorkspace(DatabaseWorkspaceManager databaseWorkspace);

        public void onRemoveDatabaseWorkspace(DatabaseWorkspaceManager databaseWorkspace);

    }

    public static final String CONFIG_CAN_ANONYMOUS_USER_WRITE_IN_THE_TABLES = "CanAnonymousUserWriteInTheTables";

    public static final String TABLE_REPOSITORY_NAME = "gvsigd_repository";

    public static final String TABLE_RESOURCES_NAME = "gvsigd_resources";

    public static final String TABLE_CONFIGURATION_NAME = "gvsigd_config";

    public static final String FIELD_RESOURCES_NAME = "name";

    public static final String FIELD_RESOURCES_RESOURCE = "resource";

    public static final String FIELD_REPOSITORY_NAME = "name";

    public static final String FIELD_REPOSITORY_PARAMETERS = "parameters";

    public static final String FIELD_CONFIGURATION_NAME = "name";

    public static final String FIELD_CONFIGURATION_VALUE = "value";

    public static final int TABLE_RESOURCES = 0;

    public static final int TABLE_REPOSITORY = 1;

    public static final int TABLE_CONFIGURATION = 2;

    public static final String CONFIG_NAME_STORESREPOSITORYID = "StoresRepository.id";

    public static final String CONFIG_NAME_STORESREPOSITORYLABEL = "StoresRepository.label";

    /**

     * Check if the indicated name corresponds to one of the configuration tables of the workspace.

     * 

     * @param name to check.

     * @return true if the name is that of a configuration table.

     */

    public static boolean isInternalTable(String name) {

        if( StringUtils.isBlank(name) ) {

            return false;

        }

        String[] internalNames = new String[] {

            TABLE_REPOSITORY_NAME,

            TABLE_RESOURCES_NAME,

            TABLE_CONFIGURATION_NAME

        };

        for (String internalName : internalNames) {

            if( name.equalsIgnoreCase(internalName) ) {

                return true;

            }

        }

        return false;

    }

    /**

     * Returns the identifier of this workspace.

     * 

     * @return the id.

     */

    public String getId();

    public DataServerExplorer getServerExplorer();

    /**

     * Returns the label of this workspace.

     * 

     * @return the label value.

     */

    @Override

    public String getLabel();

    /**

     * Gets the value of a configuration variable associated with 

     * this work space.

     * 

     * @param name of the variable to consult 

     * @return the value of the variable 

     */

    public String get(String name);

    /**

     * Assigns the indicated value to the configuration variable.

     * 

     * @param name of the variable.

     * @param value value to set.

     * @return true if can assign the value.

     */

    public boolean set(String name, String value);

    /**

     * Gets the repository of data stores associated with this workspace.

     * 

     * @return the data stores repository.

     */

    public StoresRepository getStoresRepository();

    /**

     * Add a new data store to the workspace.

     * 

     * @param name of the data store.

     * @param parameters to open the data store.

     * @return true if ok.

     */

    public boolean writeStoresRepositoryEntry(String name, DataStoreParameters parameters);

    public boolean canAnonymousUserWriteInTheTables();

    /**

     * Check if the indicated configuration table exists in the workspace.

     * 

     * @param tableid

     * @return true if the table exists.

     */

    public boolean existsTable(int tableid);

    /**

     * Create the configuration table indicated in the workspace.

     * 

     * @param tableid identifier of the configuration table to create.

     */

    public void createTable(int tableid);

    /**

     * Remove the indicated configuration table from the workspace.

     * 

     * @param tableid identifier of the configuration table to remove.

     */

    public void dropTable(int tableid);

    /**

     * Gets the data store associated with the indicated configuration table.

     * 

     * @param tableid identifier of the configuration table to get.

     * @return the FeatureStore of the configuration table.

     */

    public FeatureStore getTable(int tableid);

    /**

     * Returns true if the connection associated with this object refers 

     * to a valid workspace.

     * At least the variable "StoresRepository.id" must be defined.

     * 

     * @return 

     */

    public boolean isValid();

    /**

     * Returns true if the connection associated with this object refers 

     * to a valid workspace with a stores-repository.

     * At least the repositories table must exist and the variable 

     * "StoresRepository.id" must be defined.

     * 

     * @return 

     */

    public boolean isValidStoresRepository();

    /**

     * If the workspace has an alternate resource storage defined, return it. 

     * If don't have it, return null.

     * 

     * @param tableName

     * @return the alternate resource storage.

     */

    public ResourcesStorage getAlternativeResourcesStorage(String tableName);

    /**

     * Create and initialize the tables associated with a gvSIG workspace.

     * 

     * @param id of the workspace

     * @param description of the workspace 

     */

    public void create(String id, String description);

    public void drop();

    public File getBaseFolder();

    public void setBaseFolder(File baseFolder);

    public ResourcesStorage getResourcesStorage();

    public void connect();

    public void disconnect();

}