org.talend.webhcat.launcher.fs.HadoopFileSystem.java Source code

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Here is the source code for org.talend.webhcat.launcher.fs.HadoopFileSystem.java

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// ============================================================================
//
// Copyright (C) 2006-2015 Talend Inc. - www.talend.com
//
// This source code is available under agreement available at
// %InstallDIR%\features\org.talend.rcp.branding.%PRODUCTNAME%\%PRODUCTNAME%license.txt
//
// You should have received a copy of the agreement
// along with this program; if not, write to Talend SA
// 9 rue Pages 92150 Suresnes, France
//
// ============================================================================
package org.talend.webhcat.launcher.fs;

import java.io.IOException;
import java.io.InputStream;

import org.apache.hadoop.fs.Path;

public class HadoopFileSystem implements FileSystem {

    protected org.apache.hadoop.fs.FileSystem fs;

    public HadoopFileSystem(org.apache.hadoop.fs.FileSystem fs) {
        this.fs = fs;
    }

    public HadoopFileSystem(org.apache.hadoop.conf.Configuration conf) throws IOException {
        this.fs = org.apache.hadoop.fs.FileSystem.get(conf);
    }

    public boolean exists(String file) {
        boolean doesExist = false;
        try {
            doesExist = this.fs.exists(new org.apache.hadoop.fs.Path(file));
        } catch (Exception e) {
            System.err.println(e.getMessage());
        }

        return doesExist;
    }

    public InputStream open(String file) {
        InputStream is = null;
        try {
            is = this.fs.open(new org.apache.hadoop.fs.Path(file));
        } catch (Exception e) {
            System.err.println(e.getMessage());
        }

        return is;
    }

    public void delete(String folder) {
        try {
            this.fs.delete(new Path(folder), true);
        } catch (Exception e) {
            System.err.println(e.getMessage());
        }
    }

    public void mkdir(String folder) {
        try {
            this.fs.mkdirs(new Path(folder));
        } catch (Exception e) {
            System.err.println(e.getMessage());
        }
    }

    public void copyFromLocal(String localFile, String targetFolder) {
        try {
            this.fs.copyFromLocalFile(new Path(localFile), new Path(targetFolder));
        } catch (Exception e) {
            System.err.println(e.getMessage());
        }
    }

    public String getRemoteFileSystemRootPath() {
        return "";
    }

    public String getFileSystemPrefix() {
        return org.apache.hadoop.fs.FileSystem.getDefaultUri(this.fs.getConf()).toString();
    }
}