/*___INFO__MARK_BEGIN__*/
/*************************************************************************
*
* The Contents of this file are made available subject to the terms of
* the Sun Industry Standards Source License Version 1.2
*
* Sun Microsystems Inc., March, 2001
*
*
* Sun Industry Standards Source License Version 1.2
* =================================================
* The contents of this file are subject to the Sun Industry Standards
* Source License Version 1.2 (the "License"); You may not use this file
* except in compliance with the License. You may obtain a copy of the
* License at http://gridengine.sunsource.net/Gridengine_SISSL_license.html
*
* Software provided under this License is provided on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING,
* WITHOUT LIMITATION, WARRANTIES THAT THE SOFTWARE IS FREE OF DEFECTS,
* MERCHANTABLE, FIT FOR A PARTICULAR PURPOSE, OR NON-INFRINGING.
* See the License for the specific provisions governing your rights and
* obligations concerning the Software.
*
* The Initial Developer of the Original Code is: Sun Microsystems, Inc.
*
* Copyright: 2001 by Sun Microsystems, Inc.
*
* All Rights Reserved.
*
************************************************************************/
/*___INFO__MARK_END__*/
package com.sun.grid.installer.gui;
import com.izforge.izpack.installer.GUIInstaller;
import com.izforge.izpack.panels.ProcessingClient;
import com.izforge.izpack.panels.Validator;
import com.izforge.izpack.util.Debug;
import com.izforge.izpack.util.VariableSubstitutor;
import com.sun.grid.installer.util.FileHandler;
import java.io.File;
import java.util.Map;
/**
* Validator. Check the entered file or directory if it exists. If the file parameter
* has been given it will be appended to the entered direcory and then will be checked.
*/
public class FileExistsValidator implements Validator {
private static String PARAM_FILE = "file";
private static String PARAM_DIR = "dir";
private static String PARAM_EXISTS = "exists";
public boolean validate(ProcessingClient client) {
String file = client.getText();
boolean exists = true;
if (file.equals("")) {
return true;
}
File f = new File(file);
if (client.hasParams()) {
Map<String, String> params = client.getValidatorParams();
VariableSubstitutor vs = new VariableSubstitutor(GUIInstaller.getInstallData().getVariables());
String dirPrefix = "";
String fileSuffix = "";
if (params.containsKey(PARAM_DIR)) {
dirPrefix = params.get(PARAM_DIR);
dirPrefix = vs.substituteMultiple(dirPrefix, null);
if (!dirPrefix.endsWith(FileHandler.SEPARATOR)) {
dirPrefix = dirPrefix + FileHandler.SEPARATOR;
}
}
if (params.containsKey(PARAM_FILE)) {
fileSuffix = params.get(PARAM_FILE);
fileSuffix = vs.substituteMultiple(fileSuffix, null);
if (!fileSuffix.startsWith(FileHandler.SEPARATOR)) {
fileSuffix = FileHandler.SEPARATOR + fileSuffix;
}
}
if (params.containsKey(PARAM_EXISTS)) {
exists = Boolean.parseBoolean(params.get(PARAM_EXISTS));
Debug.trace("FileExistsValidator - exists: '" + exists + "'");
}
file = dirPrefix + file + fileSuffix;
Debug.trace("FileExistsValidator - validate file: '" + file + "'");
f = new File(file);
}
if (exists) {
return f.exists();
} else {
return !f.exists();
}
}
}