au.org.ala.delta.util.LocalConfigFiles.java Source code

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Here is the source code for au.org.ala.delta.util.LocalConfigFiles.java

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/*******************************************************************************
 * Copyright (C) 2011 Atlas of Living Australia
 * All Rights Reserved.
 * 
 * The contents of this file are subject to the Mozilla Public
 * License Version 1.1 (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.mozilla.org/MPL/
 * 
 * Software distributed under the License is distributed on an "AS
 * IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
 * implied. See the License for the specific language governing
 * rights and limitations under the License.
 ******************************************************************************/
package au.org.ala.delta.util;

import java.io.File;
import java.io.FileWriter;
import java.io.IOException;
import java.io.InputStream;
import java.util.List;

import org.apache.commons.io.IOUtils;

public class LocalConfigFiles {
    private String _appKey;

    private static String LINE_ENDING = System.getProperty("line.ending");

    public LocalConfigFiles(String appKey) {
        _appKey = appKey;
    }

    public File getWebsearchIndexFile() {
        return getFile("websearch.ind", "/au/org/ala/delta/intkey/resources/websearch.ind");
    }

    private File getFile(String filename, String resourcePath) {
        File f = new File(
                String.format("%s%s%s", getSettingsDirectory().getAbsolutePath(), File.separator, filename));
        if (!f.exists()) {
            InputStream is = LocalConfigFiles.class.getResourceAsStream(resourcePath);
            if (is != null) {
                try {
                    List<String> lines = IOUtils.readLines(is);
                    FileWriter writer = new FileWriter(f);
                    IOUtils.writeLines(lines, LINE_ENDING, writer);
                    writer.flush();
                    writer.close();
                } catch (IOException ioex) {
                    throw new RuntimeException(ioex);
                }
            }
        }

        return f;
    }

    public File getSettingsDirectory() {
        String userHome = System.getProperty("user.home");
        if (userHome == null) {
            throw new IllegalStateException("user.home==null");
        }
        File home = new File(userHome);
        File settingsDirectory = new File(home, String.format(".open-delta%s.%s", File.separator, _appKey));
        if (!settingsDirectory.exists()) {
            if (!settingsDirectory.mkdirs()) {
                throw new IllegalStateException(settingsDirectory.toString());
            }
        }
        return settingsDirectory;
    }

}