org.mrgeo.utils.FileUtils.java Source code

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/*
 * Copyright 2009-2014 DigitalGlobe, Inc.
 *
 * 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.mrgeo.utils;

import java.io.File;
import java.io.IOException;
import java.net.MalformedURLException;
import java.net.URI;
import java.net.URISyntaxException;

public class FileUtils {

    public static File createUniqueTmpDir() throws IOException {
        final File baseDir = org.apache.commons.io.FileUtils.getTempDirectory();
        final String username = "mrgeo-" + System.getProperty("user.name");
        final String baseName = "-" + System.currentTimeMillis();

        final File tempDir = new File(baseDir, username + "/" + baseName);
        org.apache.commons.io.FileUtils.forceMkdir(tempDir);
        org.apache.commons.io.FileUtils.forceDeleteOnExit(tempDir);

        return createDisposibleDirectory(tempDir);
    }

    public static File createTmpUserDir() throws IOException {
        final File baseDir = new File(System.getProperty("java.io.tmpdir"));
        final String username = "mrgeo-" + System.getProperty("user.name");

        final File tempDir = new File(baseDir, username);

        return createDisposibleDirectory(tempDir);
    }

    public static File createDisposibleDirectory(File dir) throws IOException {
        org.apache.commons.io.FileUtils.forceMkdir(dir);
        org.apache.commons.io.FileUtils.forceDeleteOnExit(dir);

        return dir;
    }

    public static void deleteDir(final File dir) throws IOException {
        org.apache.commons.io.FileUtils.deleteDirectory(dir);
    }

    public static String resolveURI(final String path) {
        try {
            URI uri = new URI(path);
            if (uri.getScheme() == null) {
                String fragment = uri.getFragment();
                URI part = new File(uri.getPath()).toURI();

                uri = new URI(part.getScheme(), part.getPath(), fragment);
            }
            return uri.toString();
        } catch (URISyntaxException e) {
            e.printStackTrace();
        }

        return path;
    }

    public static String resolveURL(final String path) {
        try {
            URI uri = new URI(path);
            if (uri.getScheme() == null) {
                String fragment = uri.getFragment();
                URI part = new File(uri.getPath()).toURI();

                uri = new URI(part.getScheme(), part.getPath(), fragment);
            }
            return uri.toURL().toString();
        } catch (URISyntaxException e) {
        } catch (MalformedURLException e) {
        }

        return path;
    }

}