org.ms123.common.git.FileObject.java Source code

Introduction

Here is the source code for org.ms123.common.git.FileObject.java

Source

/**
 * This file is part of SIMPL4(http://simpl4.org).
 *
 *    Copyright [2014] [Manfred Sattler] <manfred@ms123.org>
 *
 * SIMPL4 is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * SIMPL4 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 General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with SIMPL4.  If not, see <http://www.gnu.org/licenses/>.
 */
package org.ms123.common.git;

import java.util.List;
import java.io.FileInputStream;
import java.io.File;
import java.io.BufferedReader;
import java.io.IOException;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.Dictionary;
import java.util.Hashtable;
import java.util.List;
import java.util.Map;
import java.util.Set;
import java.util.Date;
import java.util.Locale;
import java.util.Calendar;
import java.util.Iterator;
import java.util.TimeZone;
import java.text.SimpleDateFormat;
import static org.apache.commons.io.FileUtils.writeStringToFile;
import static org.apache.commons.io.FileUtils.readFileToString;
import java.io.ByteArrayOutputStream;
import java.io.File;
import java.nio.*;
import java.io.*;
import java.nio.file.*;
import java.nio.charset.*;
import java.nio.file.attribute.*;

public class FileObject {

    private Path m_path = null;

    public FileObject(File file) throws IOException {
        this(file, null);
    }

    public FileObject(File file, String type) throws IOException {
        m_path = file.toPath();
        if (file.exists() && getType() == null) {
            convertFile();
        }
        if (type != null) {
            setType(type);
        }
    }

    private final File getFile() {
        return m_path.toFile();
    }

    private final Path getPath() {
        return m_path;
    }

    public String getType() {
        try {
            return getString("sw.type");
        } catch (Exception e) {
            return null;
        }
    }

    public void setType(String type) throws IOException {
        setString("sw.type", type);
    }

    public void setString(String key, String value) throws IOException {
        System.out.println("setString:" + key + "=" + value);
        Path path = getPath();
        UserDefinedFileAttributeView view = Files.getFileAttributeView(path, UserDefinedFileAttributeView.class);
        view.write(key, Charset.defaultCharset().encode(value));
    }

    public String getString(String key) throws IOException {
        Path path = getPath();
        UserDefinedFileAttributeView view = Files.getFileAttributeView(path, UserDefinedFileAttributeView.class);
        ByteBuffer bb = ByteBuffer.allocateDirect(64);
        int num = view.read(key, bb);
        bb.flip();
        return Charset.defaultCharset().decode(bb).toString();
    }

    public String getContent() throws IOException {
        return readFileToString(getFile());
    }

    public void putContent(String content) throws IOException {
        writeStringToFile(getFile(), content);
    }

    public void putContent(String type, String content) throws IOException {
        writeStringToFile(getFile(), content);
        setType(type);
    }

    @Override
    public String toString() {
        return "[" + getFile().getPath() + "/" + getType() + "]";
    }

    private void convertFile() {
        FileHolder fr = new FileHolder(getFile());
        try {
            String type = fr.getType();
            String content = fr.getContent();
            putContent(type, content);
        } catch (Exception e) {
            throw new RuntimeException("cannot convert '" + getFile().toString() + "':" + e.getMessage());
        }
    }
}