source: release-kits/shared/ant-installer/src/org/tp23/antinstaller/input/DirectoryInput.java@ 17832

/* 
 * Copyright 2005 Paul Hinds
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.tp23.antinstaller.input;

import java.io.File;
import java.util.ResourceBundle;

import org.tp23.antinstaller.InstallerContext;
import org.tp23.antinstaller.ValidationException;
import org.tp23.antinstaller.renderer.MessageRenderer;

/**
 * <p>Input type to select a directory </p>
 * <p> </p>
 * <p>Copyright: Copyright (c) 2004</p>
 * <p>Company: tp23</p>
 * @author Paul Hinds
 * @version $Id: DirectoryInput.java,v 1.5 2007/01/28 10:25:48 teknopaul Exp $
 */

public class DirectoryInput extends OSSpecific {

    private boolean abort = false;
    private String create;
    private String checkExists;

    //to detect previous installations
    private String flagFile;
    private String flagFileExistsProperty;

    public DirectoryInput() {
    }

    /**
     * Called to validate the user input
     */
    public boolean validate(InstallerContext cxt) throws ValidationException{
        if (getInputResult() == null)return false;
        MessageRenderer mr = cxt.getMessageRenderer();
        String selectedName = getInputResult();
        // handle no directory option
        if( "".equals(selectedName) ){
            if( InputField.isTrue(create) || InputField.isTrue(checkExists) ){
                mr.printMessage(org.tp23.antinstaller.Installer.langPack.getString("dirNotExist"));
                return false;
            }
            else {
                return true;
            }
        } 
        File file = new File(selectedName);
        if(InputField.isTrue(create)){
            if(!file.exists()){
                try {
                    if(mr.prompt(org.tp23.antinstaller.Installer.langPack.getString("dirNotExistCreate") + "\n" + file.getAbsolutePath())){
                        boolean ok = file.mkdirs();
                        if(!ok){
                            mr.printMessage(org.tp23.antinstaller.Installer.langPack.getString("dirNotCreated"));
                            return false;
                        }
                    } else {
                        //make them stay on the page until they manage to select an existent folder
                        return false;
                    }
                }
                catch (Exception ex) {
                    mr.printMessage(org.tp23.antinstaller.Installer.langPack.getString("canNotCreateFile") + "\n" + file.getAbsolutePath());
                    //FIXME should not throw here, should do something better so users on linux can chmod where necessary
                    // then try again
                    throw new ValidationException(org.tp23.antinstaller.Installer.langPack.getString("canNotCreateFile"),ex);
                    
                }
            }
        }
        if(InputField.isTrue(checkExists)){
//          if( ( !file.exists() || !file.isDirectory() ) && triedToCreate){
//              //TODO add some usefull text here to explain that we can not continue
//          }
            if(!file.exists() || !file.isDirectory()){
                mr.printMessage(org.tp23.antinstaller.Installer.langPack.getString("dirNotExist") + "\n" + file.getAbsolutePath());
                return false;
            }
        }
        return true;
    }

    public boolean isAbort() {
        return abort;
    }

    public void setAbort(boolean abort) {
        this.abort = abort;
    }

    public String getCreate() {
        return create;
    }
    public void setCreate(String create) {
        this.create = create;
    }
    public void setValue(String dir){
        setInputResult(dir);
    }

    public String getCheckExists() {
        return checkExists;
    }

    public void setCheckExists(String checkExists) {
        this.checkExists = checkExists;
    }

    public String getFlagFile() {
        return flagFile;
    }

    public void setFlagFile(String flagFile) {
        this.flagFile = flagFile;
    }

    public String getFlagFileExistsProperty() {
        return flagFileExistsProperty;
    }

    public void setFlagFileExistsProperty( String flagFileExistsProperty ) {
        this.flagFileExistsProperty = flagFileExistsProperty;
    }

    /**
     * Used by checkConfig to validate the configuration file.
     * Not used at runtime.
     * @return boolean
     */
    public boolean validateObject() {
        if(getDisplayText() == null){
            System.out.println("Directory:displayText must be set");
            return false;
        }
        if(getProperty() == null){
            System.out.println("Directory:property must be set");
            return false;
        }
        if(getDefaultValue() == null){
            System.out.println("Directory:defaultValue must be set");
            return false;
        }
        if(getDefaultValue().equals("")){
            if( isTrue(getCreate()) || isTrue(getCheckExists()) ) {
                System.out.println("Directory:defaultValue must be set if checkExists or create are true");
                return false;
            }
        }
        if(!InputField.optionalBoolean(getCreate())){
            System.out.println("Directory:create must be true or false or null");
            return false;
        }
        if(!InputField.optionalBoolean(getCheckExists())){
            System.out.println("Directory:checkExists must be true or false or null");
            return false;
        }
        return true;
    }

    public void setInputResult(String inputResult) {
        resultContainer.setProperty(getProperty(), inputResult);

        if ( flagFile != null ) {
            File ff = new File( inputResult + File.separator + flagFile );
            Boolean ffExists = new Boolean(ff.exists());
            resultContainer.setProperty( flagFileExistsProperty, ffExists.toString() );
        }
    
    }


}