Example usage for org.apache.hadoop.hdfs DFSUtil string2Bytes

Introduction

In this page you can find the example usage for org.apache.hadoop.hdfs DFSUtil string2Bytes.

Prototype

public static byte[] string2Bytes(String str) 

Source Link

Document

Converts a string to a byte array using UTF8 encoding.

Usage

From source file:com.bigstep.datalake.JsonUtil.java

License:Apache License

/**
 * Convert a Json map to a HdfsFileStatus object.
 * @param json//from   w  w  w  .j ava  2s.  co  m
 * @param includesType
 * @return sau nu
 */
public static HdfsFileStatus toFileStatus(final Map<?, ?> json, boolean includesType) {
    if (json == null) {
        return null;
    }

    final Map<?, ?> m = includesType ? (Map<?, ?>) json.get(FileStatus.class.getSimpleName()) : json;
    final String localName = (String) m.get("pathSuffix");
    final PathType type = PathType.valueOf((String) m.get("type"));
    final byte[] symlink = type != PathType.SYMLINK ? null : DFSUtil.string2Bytes((String) m.get("symlink"));

    final long len = ((Number) m.get("length")).longValue();
    final String owner = (String) m.get("owner");
    final String group = (String) m.get("group");
    final FsPermission permission = toFsPermission((String) m.get("permission"), (Boolean) m.get("aclBit"),
            (Boolean) m.get("encBit"));
    final long aTime = ((Number) m.get("accessTime")).longValue();
    final long mTime = ((Number) m.get("modificationTime")).longValue();
    final long blockSize = ((Number) m.get("blockSize")).longValue();
    final short replication = ((Number) m.get("replication")).shortValue();
    final long fileId = m.containsKey("fileId") ? ((Number) m.get("fileId")).longValue()
            : INodeId.GRANDFATHER_INODE_ID;
    final int childrenNum = getInt(m, "childrenNum", -1);
    final byte storagePolicy = m.containsKey("storagePolicy")
            ? (byte) ((Number) m.get("storagePolicy")).longValue()
            : BlockStoragePolicySuite.ID_UNSPECIFIED;
    return new HdfsFileStatus(len, type == PathType.DIRECTORY, replication, blockSize, mTime, aTime, permission,
            owner, group, symlink, DFSUtil.string2Bytes(localName), fileId, childrenNum, null, storagePolicy);
}

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From source file:com.wandisco.s3hdfs.rewrite.redirect.ObjectInfoRedirect.java

License:Apache License

private S3HdfsFileStatus parseHdfsFileStatus(JsonNode element) {
    return new S3HdfsFileStatus(element.get("length").getLongValue(),
            element.get("type").getTextValue().equalsIgnoreCase("DIRECTORY"),
            element.get("replication").getIntValue(), element.get("blockSize").getLongValue(),
            element.get("modificationTime").getLongValue(), element.get("accessTime").getLongValue(),
            FsPermission.createImmutable((short) element.get("permission").getIntValue()),
            element.get("owner").getTextValue(), element.get("group").getTextValue(),
            (element.get("symlink") == null) ? null
                    : DFSUtil.string2Bytes(element.get("symlink").getTextValue()),
            DFSUtil.string2Bytes(element.get("pathSuffix").getTextValue()),
            element.get("fileId").getLongValue(), element.get("childrenNum").getIntValue());
}

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