Example usage for java.nio.file AtomicMoveNotSupportedException getMessage

Introduction

In this page you can find the example usage for java.nio.file AtomicMoveNotSupportedException getMessage.

Prototype

@Override
public String getMessage() 

Source Link

Document

Returns the detail message string.

Usage

From source file:nl.mpi.lamus.filesystem.implementation.LamusWorkspaceFileHandler.java

private void moveOrCopyFile(File originNodeFile, File targetNodeFile) throws IOException {
    try {/*from  www  .j ava  2  s.c o m*/
        Files.move(originNodeFile.toPath(), targetNodeFile.toPath(), StandardCopyOption.REPLACE_EXISTING,
                StandardCopyOption.ATOMIC_MOVE);
    } catch (AtomicMoveNotSupportedException amnse) {
        logger.warn(
                "Could not perform atomic move: " + amnse.getMessage() + ". Trying regular copy and delete...");
        Files.copy(originNodeFile.toPath(), targetNodeFile.toPath(), StandardCopyOption.REPLACE_EXISTING);
        deleteFile(originNodeFile);
    }
}

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From source file:org.apache.marmotta.platform.core.services.config.ConfigurationServiceImpl.java

protected void saveSecure(final PropertiesConfiguration conf) throws ConfigurationException {
    final File file = conf.getFile();
    try {//from   w  w w  .j ava2s .co m
        if (file == null) {
            throw new ConfigurationException("No file name has been set!");
        } else if ((file.createNewFile() || true) && !file.canWrite()) {
            throw new IOException("Cannot write to file " + file.getAbsolutePath() + ". Is it read-only?");
        }
    } catch (IOException e) {
        throw new ConfigurationException(e.getMessage(), e);
    }
    log.debug("Saving {}", file.getAbsolutePath());

    final String fName = file.getName();
    try {
        int lastDot = fName.lastIndexOf('.');
        lastDot = lastDot > 0 ? lastDot : fName.length();

        final Path configPath = file.toPath();
        // Create a tmp file next to the original
        final Path tmp = Files.createTempFile(configPath.getParent(), fName.substring(0, lastDot) + ".",
                fName.substring(lastDot));
        try {
            Files.copy(configPath, tmp, StandardCopyOption.COPY_ATTRIBUTES,
                    StandardCopyOption.REPLACE_EXISTING);
        } catch (IOException iox) {
            log.error("Could not create temp-file {}: {}", tmp, iox.getMessage());
            throw iox;
        }
        log.trace("using temporary file: {}", tmp);
        // Save the config to the tmp file
        conf.save(tmp.toFile());

        log.trace("tmp saved, now replacing the original file: {}", configPath);
        // Replace the original with the tmp file
        try {
            try {
                Files.move(tmp, configPath, StandardCopyOption.REPLACE_EXISTING,
                        StandardCopyOption.ATOMIC_MOVE);
            } catch (AtomicMoveNotSupportedException amnx) {
                log.trace("atomic move not available: {}, trying without", amnx.getMessage());
                Files.move(tmp, configPath, StandardCopyOption.REPLACE_EXISTING);
            }
        } catch (IOException iox) {
            log.error("Could not write to {}, a backup was created in {}", configPath, tmp);
            throw iox;
        }
        log.info("configuration successfully saved to {}", configPath);
    } catch (final Throwable t) {
        throw new ConfigurationException("Unable to save the configuration to the file " + fName, t);
    }
}

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