Example usage for java.io File getFreeSpace

Introduction

In this page you can find the example usage for java.io File getFreeSpace.

Prototype

public long getFreeSpace() 

Source Link

Document

Returns the number of unallocated bytes in the partition named by this abstract path name.

Usage

From source file:eu.stratosphere.nephele.instance.local.LocalInstanceManager.java

/**
 * Creates a default instance type based on the hardware characteristics of the machine that calls this method. The
 * default instance type contains the machine's number of CPU cores and size of physical memory. The disc capacity
 * is calculated from the free space in the directory for temporary files.
 * /*  ww  w  . jav  a 2  s. co  m*/
 * @return the default instance type used for the local machine
 */
public static final InstanceType createDefaultInstanceType() {
    final HardwareDescription hardwareDescription = HardwareDescriptionFactory.extractFromSystem();

    int diskCapacityInGB = 0;
    final String[] tempDirs = GlobalConfiguration
            .getString(ConfigConstants.TASK_MANAGER_TMP_DIR_KEY, ConfigConstants.DEFAULT_TASK_MANAGER_TMP_PATH)
            .split(File.pathSeparator);

    for (final String tempDir : tempDirs) {
        if (tempDir != null) {
            File f = new File(tempDir);
            diskCapacityInGB = Math.max(diskCapacityInGB, (int) (f.getFreeSpace() / (1024L * 1024L * 1024L)));
        }
    }

    final int physicalMemory = (int) (hardwareDescription.getSizeOfPhysicalMemory() / (1024L * 1024L));

    return InstanceTypeFactory.construct("default", hardwareDescription.getNumberOfCPUCores(),
            hardwareDescription.getNumberOfCPUCores(), physicalMemory, diskCapacityInGB, 0);
}

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From source file:org.benetech.secureapp.generator.BuildingApkController.java

private static void LogMemoryCheck(HttpSession session, String description, File baseBuildDir) {
    long totalSpace = getMegaBytes(baseBuildDir.getTotalSpace());
    long freeSpace = getMegaBytes(baseBuildDir.getFreeSpace());
    long usableSpace = getMegaBytes(baseBuildDir.getUsableSpace());

    int processors = Runtime.getRuntime().availableProcessors();
    long freeMemory = getMegaBytes(Runtime.getRuntime().freeMemory());
    long maxMemory = Runtime.getRuntime().maxMemory();
    String jvmMemory = (maxMemory == Long.MAX_VALUE ? "no limit" : String.valueOf(getMegaBytes(maxMemory)));
    long totalMemory = getMegaBytes(Runtime.getRuntime().totalMemory());
    StringBuilder memoryUsed = new StringBuilder();
    memoryUsed.append("MEMORY CHECK: ");
    memoryUsed.append(description);/*from   w ww. jav  a2s.co  m*/
    memoryUsed.append(": Processors = ");
    memoryUsed.append(processors);
    memoryUsed.append(", Total Memory = ");
    memoryUsed.append(totalMemory);
    memoryUsed.append(" MB, JVM Memory = ");
    memoryUsed.append(jvmMemory);
    memoryUsed.append(" MB, Free Memory = ");
    memoryUsed.append(freeMemory);
    memoryUsed.append(" MB -- Disk Total Space = ");
    memoryUsed.append(totalSpace);
    memoryUsed.append(" MB, Disk Usable Space = ");
    memoryUsed.append(usableSpace);
    memoryUsed.append(" MB, Disk Free Space = ");
    memoryUsed.append(freeSpace);
    memoryUsed.append(" MB.");
    SagLogger.logInfo(session, memoryUsed.toString());
}

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From source file:com.glaf.core.util.FileUtils.java

/**
 * ??//  w w  w . ja  v a2  s. c  o m
 */
public static double getDiskPartitionSpaceUsedPercent(final String path) {
    if (null == path || path.isEmpty())
        return -1;

    try {
        File file = new File(path);
        if (!file.exists()) {
            boolean result = file.mkdirs();
            if (!result) {
            }
        }

        long totalSpace = file.getTotalSpace();
        long freeSpace = file.getFreeSpace();
        long usedSpace = totalSpace - freeSpace;
        if (totalSpace > 0) {
            return usedSpace / (double) totalSpace;
        }
    } catch (Exception e) {
        return -1;
    }

    return -1;
}

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From source file:org.deegree.tools.rendering.dem.builder.DEMDatasetGenerator.java

private static void init(CommandLine line) throws ParseException, IOException, SQLException {

    String t = line.getOptionValue(OPT_OUTPUT_LEVELS, "-1");
    int levels = Integer.parseInt(t);
    t = line.getOptionValue(OPT_OUTPUT_ROWS, "128");
    int rows = Integer.parseInt(t);
    t = line.getOptionValue(OPT_MAX_HEIGHT);
    float maxZ = Float.NaN;
    if (t != null) {
        maxZ = Float.parseFloat(t);
    }//from   w w w.j  a va 2  s .  c o  m

    RasterIOOptions rasterIOOptions = RasterOptionsParser.parseRasterIOOptions(line);
    AbstractCoverage raster = RasterOptionsParser.loadCoverage(line, rasterIOOptions);
    if (!(raster instanceof AbstractRaster)) {
        throw new IllegalArgumentException(
                "Given raster location is a multiresolution raster, this is not supported.");
    }

    DEMDatasetGenerator builder = new DEMDatasetGenerator((AbstractRaster) raster, rasterIOOptions, levels,
            rows, maxZ);

    t = line.getOptionValue(OPT_OUTPUT_DIR);
    File outputDir = new File(t);
    if (outputDir.getFreeSpace() < builder.fileSize) {
        System.err.println("Not enough space (" + outputDir.getFreeSpace() + " bytes ca: "
                + (Math.round((outputDir.getFreeSpace() / (1024 * 1024d)) * 100d) / 100d)
                + " Mb.) free in the directory: " + outputDir + " please specify a location where at least: "
                + builder.fileSize + " bytes (ca. "
                + (Math.round((builder.fileSize / (1024 * 1024d)) * 100d) / 100d) + " Mb) are available.");
        System.exit(2);
    }
    Blob patchesBlob = new FileBlob(new File(outputDir, MultiresolutionMesh.FRAGMENTS_FILE_NAME));

    PatchManager triangleManager = new PatchManager(builder.getLevels(), patchesBlob);
    System.out.println(triangleManager);

    // generate macro triangle blob
    double sampleSizeX = Math.abs(builder.sampleSizeX);
    double sampleSizeY = Math.abs(builder.sampleSizeY);
    float outputExtentX = (float) (builder.outputX * sampleSizeX);
    float outputExtentY = (float) (builder.outputY * sampleSizeY);
    PatchManager manager = builder.generateMacroTriangles(triangleManager, 0, 0, outputExtentX, outputExtentY);

    // write mrindex blob
    Blob mrIndexBlob = new FileBlob(new File(outputDir, MultiresolutionMesh.INDEX_FILE_NAME));
    DAGBuilder dagBuilder = new DAGBuilder(manager.getLevels(), manager);
    dagBuilder.writeBlob(mrIndexBlob, (short) 0, (short) rows);
    dagBuilder.printStats();
    mrIndexBlob.free();
}

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From source file:org.springframework.boot.actuate.health.DiskSpaceHealthIndicator.java

@Override
protected void doHealthCheck(Health.Builder builder) throws Exception {
    File path = this.properties.getPath();
    long diskFreeInBytes = path.getFreeSpace();
    if (diskFreeInBytes >= this.properties.getThreshold()) {
        builder.up();/*from  w  w w . j  a v  a2  s  . com*/
    } else {
        logger.warn(
                String.format("Free disk space below threshold. " + "Available: %d bytes (threshold: %d bytes)",
                        diskFreeInBytes, this.properties.getThreshold()));
        builder.down();
    }
    builder.withDetail("total", path.getTotalSpace()).withDetail("free", diskFreeInBytes)
            .withDetail("threshold", this.properties.getThreshold());
}

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From source file:fr.gael.dhus.datastore.eviction.EvictionManager.java

/**
 * Computes free space on disk where the eviction works.
 *
 * @return number of available bytes on disk partition.
 */// www.  j av  a  2 s  . c  om
public long getFreeSpace() {
    String path = getPath();
    File fpath = new File(path);
    return fpath.getFreeSpace();
}

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From source file:serposcope.lifecycle.DBSizeUtils.java

public long getDiskFree() {
    File file = getDbFile();
    if (file == null) {
        file = new File(System.getProperty("user.dir"));
        if (!file.exists()) {
            return -1l;
        }/* w ww.j  a v a2  s. c  o  m*/
    }
    return file.getFreeSpace();
}

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From source file:ctmetrics.CTmetrics.java

public CTmetrics(String[] args) {

    if (!parseArgs(args))
        return;//w w w  . j  a va  2s.c  om

    System.err.println("CTmetrics monitor: " + monitorFolder + ", output to: " + metricsSource);

    CTinfo.setDebug(debug);

    long mtimePerBlock = (long) (timePerBlock * 1000.);
    if (timePerSample >= timePerBlock || timePerSample == 0)
        timePerSample = timePerBlock;
    long mtimePerSample = (long) (timePerSample * 1000.);

    try {
        CTwriter ctw = new CTwriter(metricsSource, timePerLoop);
        ctw.setBlockMode(true, zipmode);
        ctw.autoSegment(blocksPerSegment); // blocks/segment
        ctw.autoFlush(mtimePerBlock);

        CTreader ctr = new CTreader(monitorFolder);
        File f = new File(metricsSource); // pre-make output folder to use as getSpace ref
        f.mkdirs();

        while (true) {
            long freeSpace = f.getFreeSpace();
            //            long totalSpace = f.getTotalSpace();
            ctw.setTime(System.currentTimeMillis()); // common time all samples/block
            //            ctw.putData("UsedSpace", (totalSpace - freeSpace));
            ctw.putData("FreeSpace", freeSpace);

            if (individualSources) {
                ArrayList<String> sources = ctr.listSources(); // update list every iteration
                if (sources.size() == 0)
                    System.err.println("Warning:  no sources found in monitorFolder: " + monitorFolder);
                for (String source : sources) { // {Loop by Source}
                    String sourcePath = monitorFolder + File.separator + source;
                    long diskSize = CTinfo.diskUsage(sourcePath, diskBlockSize);
                    long dataSize = CTinfo.dataUsage(sourcePath);
                    String src = source.replace(File.separator, "_"); // can't have multi-level channel name!
                    ctw.putData(src + "_DiskUsage", diskSize);
                    ctw.putData(src + "_DataUsage", dataSize);
                    //               System.err.println("metrics source: "+sourcePath);
                }
            } else {
                long diskSize = CTinfo.diskUsage(monitorFolder, diskBlockSize);
                long dataSize = CTinfo.dataUsage(monitorFolder);
                ctw.putData("DiskSpace", diskSize);
                ctw.putData("DataSpace", dataSize);
            }
            Thread.sleep(mtimePerSample); // one or more samples per block
        }

    } catch (Exception e) {
        System.err.println("CTmetrics Exception: " + e);
    }
}

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From source file:cprasmu.rascam.camera.FileSystemModel.java

public long calculateUsage() {

    File f = new File(initialPath);
    return (long) (((double) (f.getTotalSpace() - f.getFreeSpace()) / (double) f.getTotalSpace()) * 100d);

}

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From source file:org.luwrain.app.commander.InfoAndProperties.java

void fillLocalVolumeInfo(File file, MutableLines lines) {
    NullCheck.notNull(file, "file");
    NullCheck.notNull(lines, "lines");
    lines.addLine(": " + file.getAbsolutePath());
    lines.addLine(": " + formatSize(file.getFreeSpace()));
}

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