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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.lang.stringmaker.impl;

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

/**
 *
 * @see Marco4J
 *
 *
 * @author Marco Semiao
 *
 */
public class StringBufferImpl implements StringMaker {

    private final static StringMakerFactory factory = new Factory();

    private final StringBuffer delegate;

    public StringBufferImpl() {
	delegate = new StringBuffer();
    }

    public StringBufferImpl(final int capacity) {
	delegate = new StringBuffer(capacity);
    }

    public StringBufferImpl(final String str) {
	delegate = new StringBuffer(str);
    }

    public StringMaker append(final Object obj) {
	delegate.append(obj);
	return this;
    }

    public StringMaker append(final String str) {
	delegate.append(str);
	return this;
    }

    public StringMaker append(final StringBuffer sb) {
	delegate.append(sb);
	return this;
    }

    public StringMaker append(final char[] str) {
	delegate.append(str);
	return this;
    }

    public StringMaker append(final char[] str, final int offset, final int len) {
	delegate.append(str, offset, len);
	return this;
    }

    public StringMaker append(final boolean b) {
	delegate.append(b);
	return this;
    }

    public StringMaker append(final char c) {
	delegate.append(c);
	return this;
    }

    public StringMaker append(final int i) {
	delegate.append(i);
	return this;
    }

    public StringMaker append(final long l) {
	delegate.append(l);
	return this;
    }

    public StringMaker append(final float f) {
	delegate.append(f);
	return this;
    }

    public StringMaker append(final double d) {
	delegate.append(d);
	return this;
    }

    public StringMaker replace(final int start, final int end, final String str) {
	delegate.replace(start, end, str);
	return this;
    }

    public String substring(final int start, final int end) {
	return delegate.substring(start, end);
    }

    public StringMaker delete(final int start, final int end) {
	delegate.delete(start, end);
	return this;
    }

    public int length() {
	return delegate.length();
    }

    public String toString() {
	return delegate.toString();
    }

    public static StringMakerFactory getStringMakerFactory() {
	return factory;
    }

    public int hashCode() {
	final int prime = 31;
	int result = 1;
	result = prime * result + ((delegate == null) ? 0 : delegate.hashCode());
	return result;
    }

    public boolean equals(final Object obj) {
	if (this == obj) {
	    return true;
	}
	if (obj == null) {
	    return false;
	}
	if (getClass() != obj.getClass()) {
	    return false;
	}
	final StringBufferImpl other = (StringBufferImpl) obj;
	if (delegate == null) {
	    if (other.delegate != null) {
		return false;
	    }
	} else if (!delegate.equals(other.delegate)) {
	    return false;
	}
	return true;
    }

    private final static class Factory implements StringMakerFactory {

	public StringMaker newString() {
	    return new StringBufferImpl();
	}

	public StringMaker newString(final int capacity) {
	    return new StringBufferImpl(capacity);
	}

	public StringMaker newString(final String str) {
	    return new StringBufferImpl(str);
	}
    }
}