Application: gvSIG desktop

package org.gvsig.expressionevaluator.impl.function.foldersmanager;

import java.io.File;

import org.apache.commons.lang3.Range;

import org.gvsig.expressionevaluator.Interpreter;

import org.gvsig.expressionevaluator.spi.AbstractFunction;

import org.gvsig.tools.ToolsLocator;

import org.gvsig.tools.folders.FoldersManager;

public class SetTemporaryFolderFunction extends AbstractFunction {

    public static final String NAME = "SETTEMPORARYFOLDER";

    public SetTemporaryFolderFunction() {

        super(

            "Folders", 

            NAME, 

            Range.is(1),

            "Assign the folder to use as a temporary folder for the application. Be careful, it can affect other parts of it. Return the new value set.", 

            NAME+"({{folder}})", 

            new String[] {

                "folder - Folder to set as temporary folder"

            }, 

            "File", 

            false

        );

    }

    @Override

    public boolean allowConstantFolding() {

        return false;

    }

    @Override

    public Object call(Interpreter interpreter, Object[] args) {

        FoldersManager folderManager = ToolsLocator.getFoldersManager();

        File value = getFile(args,0);

        folderManager.setTemporaryFolder(value);

        return value;

    }

}