com.sfs.ucm.service.LogViewService.java Source code

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Here is the source code for com.sfs.ucm.service.LogViewService.java

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/*
 * South Face Software
 * Copyright 2012, South Face Software, Inc. and individual contributors
 * by the @authors tag. See the copyright.txt in the distribution for a
 * full listing of individual contributors.
 *
 * This is free software; you can redistribute it and/or modify it
 * under the terms of the GNU Lesser General Public License as
 * published by the Free Software Foundation; either version 2.1 of
 * the License, or (at your option) any later version.
 *
 * This software is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this software; if not, write to the Free
 * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
 * 02110-1301 USA, or see the FSF site: http://www.fsf.org.
 */
package com.sfs.ucm.service;

import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.Serializable;
import java.util.ArrayList;
import java.util.List;

import javax.inject.Inject;
import javax.inject.Named;

import org.apache.commons.io.IOUtils;
import org.slf4j.Logger;

import com.sfs.ucm.exception.UCMException;
import com.sfs.ucm.util.Service;

/**
 * Mail Service
 * 
 * @author lbbisho
 * 
 */
@Named
@Service
public class LogViewService implements Serializable {

    private static final long serialVersionUID = 1L;

    @Inject
    private Logger logger;

    public List<String> getDirectoryList(final String path) throws UCMException {

        List<String> filenames = new ArrayList<String>();

        File theFile = new File(path);
        if (theFile != null) {
            if (theFile.isDirectory()) {
                File[] files = theFile.listFiles();
                if (files != null) {
                    for (int i = 0; i < files.length; i++) {
                        if (files[i].getName().indexOf(".log") != -1) {
                            filenames.add(files[i].getName());
                        }
                    }
                } else {
                    logger.error(" [ACCESS DENIED]");
                }
            }
        }

        return filenames;

    }

    /**
     * Read log file and return as list of lines
     * 
     * @param filepath
     * @return list of lines
     * @throws UCMException
     */
    public List<String> readLogFile(final String filepath) throws UCMException {

        List<String> lines = new ArrayList<String>();

        try {
            // use buffering
            InputStream fin = new FileInputStream(filepath);
            lines = IOUtils.readLines(fin);

            fin.close();
        } catch (IOException e) {
            logger.error("Cannot read logfile. {}", e.getMessage());
            throw new UCMException(e);
        }

        return lines;
    }
}