Example usage for org.apache.hadoop.fs Path isAbsolute

Introduction

In this page you can find the example usage for org.apache.hadoop.fs Path isAbsolute.

Prototype

public boolean isAbsolute()

Source Link

Document

Returns true if the path component (i.e.

Usage

From source file:org.springframework.data.hadoop.store.input.AbstractDataStreamReader.java

License:Apache License

/**
 * Gets the input.//from   www . j av a  2  s . com
 *
 * @param inputPath the input path
 * @return the input
 * @throws IOException Signals that an I/O exception has occurred.
 */
protected StreamsHolder<InputStream> getInput(Path inputPath) throws IOException {
    log.info("Creating new InputStream");
    StreamsHolder<InputStream> holder = new StreamsHolder<InputStream>();
    final FileSystem fs = getPath().getFileSystem(getConfiguration());
    Path p = inputPath.isAbsolute() ? inputPath : new Path(getPath(), inputPath);
    if (!fs.exists(p)) {
        throw new StoreException("Path " + p + " does not exist");
    }
    if (!isCompressed()) {
        InputStream input = fs.open(p);
        holder.setStream(input);
    } else {
        // TODO: will isCompressed() really guard for npe against getCodec()
        Class<?> clazz = ClassUtils.resolveClassName(getCodec().getCodecClass(), getClass().getClassLoader());
        CompressionCodec compressionCodec = (CompressionCodec) ReflectionUtils.newInstance(clazz,
                getConfiguration());
        Decompressor decompressor = CodecPool.getDecompressor(compressionCodec);
        FSDataInputStream winput = fs.open(p);
        InputStream input = compressionCodec.createInputStream(winput, decompressor);
        holder.setWrappedStream(winput);
        holder.setStream(input);
    }
    return holder;
}

From source file:org.xtreemfs.common.clients.hadoop.XtreemFSFileSystem.java

License:BSD License

private Path makeAbsolute(Path p) {
    if (p.isAbsolute()) {
        return p;
    } else {//w w  w.j ava  2 s . c  o  m
        return new Path(workingDirectory, p);
    }
}

From source file:ras.test.hadoop.fs.InMemoryFileSystem.java

License:Apache License

private Path makeAbsolute(Path path) {
    Validate.notNull(path, "path == null not allowed!");

    if (path.isAbsolute()) {
        return path;
    }/*w  ww . j  a  v a  2s  . c  om*/
    return new Path(workingDirectory, path);
}

From source file:ras.test.hadoop.fs.InMemoryFileSystemUnitTest.java

License:Apache License

private void expectPathMustExistIOException(Path path) {
    thrown.expect(IOException.class);
    String absoluteChar = (path.isAbsolute()) ? "" : "/";
    thrown.expectMessage(equalTo("'" + absoluteChar + path + "' not found!"));
}

From source file:tachyon.hadoop.AbstractTFS.java

License:Apache License

@Override
public void setWorkingDirectory(Path path) {
    LOG.info("setWorkingDirectory(" + path + ")");
    if (path.isAbsolute()) {
        mWorkingDir = path;/*from  w w w . j  a  v a 2s  .c  o m*/
    } else {
        mWorkingDir = new Path(mWorkingDir, path);
    }
}