fr.ms.log4jdbc.utils.InputStreamWrapper Maven / Gradle / Ivy

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/*
 * This file is part of Log4Jdbc.
 *
 * Log4Jdbc 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.
 *
 * Log4Jdbc 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 Log4Jdbc.  If not, see .
 *
 */
package fr.ms.log4jdbc.utils;

import java.io.BufferedReader;
import java.io.ByteArrayInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;

import fr.ms.lang.StringUtils;
import fr.ms.lang.delegate.DefaultStringMakerFactory;
import fr.ms.lang.delegate.StringMaker;
import fr.ms.lang.delegate.StringMakerFactory;

/**
 *
 * @see Marco4J
 *
 *
 * @author Marco Semiao
 *
 */
public class InputStreamWrapper extends InputStream {

    private final static StringMakerFactory stringFactory = DefaultStringMakerFactory.getInstance();

    private final static String nl = System.getProperty("line.separator");

    private InputStream is;

    public InputStreamWrapper(final InputStream is) {

	if (is != null) {
	    BufferedReader br = null;
	    final StringMaker sb = stringFactory.newString();
	    String line;
	    try {

		final InputStreamReader isr = new InputStreamReader(is);
		br = new BufferedReader(isr);
		while ((line = br.readLine()) != null) {
		    final String stringFormat = StringUtils.replaceAll(line, "\\", "\\\\");
		    sb.append(stringFormat);
		    sb.append(nl);
		}

	    } catch (final IOException e) {
		e.printStackTrace();
	    } finally {
		if (br != null) {
		    try {
			br.close();
		    } catch (final IOException e) {
			e.printStackTrace();
		    }
		}
	    }

	    this.is = new ByteArrayInputStream(sb.toString().getBytes());
	}
    }

    public int read() throws IOException {
	return is.read();
    }

    public int read(final byte[] b) throws IOException {
	return is.read(b);
    }

    public int read(final byte[] b, final int off, final int len) throws IOException {
	return is.read(b, off, len);
    }

    public long skip(final long n) throws IOException {
	return is.skip(n);
    }

    public int available() throws IOException {
	return is.available();
    }

    public void close() throws IOException {
	is.close();
    }

    public void mark(final int readlimit) {
	is.mark(readlimit);
    }

    public void reset() throws IOException {
	is.reset();
    }

    public boolean markSupported() {
	return is.markSupported();
    }
}