Quadcap Embeddable Server

com/quadcap/http/server22/JspWriter.java

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package com.quadcap.http.server22;

/* Copyright 1999 - 2003 Quadcap Software.  All rights reserved.
 *
 * This software is distributed under the Quadcap Free Software License.
 * This software may be used or modified for any purpose, personal or
 * commercial.  Open Source redistributions are permitted.  Commercial
 * redistribution of larger works derived from, or works which bundle
 * this software requires a "Commercial Redistribution License"; see
 * http://www.quadcap.com/purchase.
 *
 * Redistributions qualify as "Open Source" under  one of the following terms:
 *   
 *    Redistributions are made at no charge beyond the reasonable cost of
 *    materials and delivery.
 *
 *    Redistributions are accompanied by a copy of the Source Code or by an
 *    irrevocable offer to provide a copy of the Source Code for up to three
 *    years at the cost of materials and delivery.  Such redistributions
 *    must allow further use, modification, and redistribution of the Source
 *    Code under substantially the same terms as this license.
 *
 * Redistributions of source code must retain the copyright notices as they
 * appear in each source code file, these license terms, and the
 * disclaimer/limitation of liability set forth as paragraph 6 below.
 *
 * Redistributions in binary form must reproduce this Copyright Notice,
 * these license terms, and the disclaimer/limitation of liability set
 * forth as paragraph 6 below, in the documentation and/or other materials
 * provided with the distribution.
 *
 * The Software is provided on an "AS IS" basis.  No warranty is
 * provided that the Software is free of defects, or fit for a
 * particular purpose.  
 *
 * Limitation of Liability. Quadcap Software shall not be liable
 * for any damages suffered by the Licensee or any third party resulting
 * from use of the Software.
 */

import java.io.IOException;

import com.quadcap.io.IO;

/**
 * A simple implementation of JspWriter that uses the
 * <code>HttpOutputStream</code>
 * class to do most of the work.
 *
 * @author Stan Bailes
 */
public class JspWriter extends javax.servlet.jsp.JspWriter {
    HttpOutputStream                            out;
    boolean                                     closed = false;
    byte[]                                      buf = null;
    static String lineSep = System.getProperty("line.separator");

    public JspWriter(int bufferSize, boolean autoFlush) {
        super(bufferSize, autoFlush);
    }

    final void setHttpOutputStream(HttpOutputStream out) {
        this.out = out;
    }

    public final void newLine() throws IOException {
        print(lineSep);
    }

    public final void print(boolean b) throws IOException {
        print(b ? "true" : "false");
    }

    public final void print(char c) throws IOException {
        print(String.valueOf(c));
    }

    public final void print(int i) throws IOException {
        print(String.valueOf(i));
    }

    public final void print(long l) throws IOException {
        print(String.valueOf(l));
    }

    public final void print(float f) throws IOException {
        print(String.valueOf(f));
    }

    public final void print(double d) throws IOException {
        print(String.valueOf(d));
    }

    public final void print(char[] ch) throws IOException {
        write(ch, 0, ch.length);
    }

    public final void print(String s) throws IOException {
        final int len = s.length();
        if (buf == null || buf.length < len) {
            buf = new byte[len];
        }
        for (int i = 0; i < len; i++) {
            buf[i] = (byte)(s.charAt(i) & 0xff);
        }
        out.write(buf, 0, len);
    }

    public final void write(String s) throws IOException {
        IO.write(out, s);
    }

    public final void write(String s, int off, int len) throws IOException {
        for (int i = 0; i < len; i++) {
            out.write(s.charAt(off + i) & 0xff);
        }
    }

    public final void print(Object obj) throws IOException {
        print(obj.toString());
    }

    public final void println() throws IOException {
        print(lineSep);
    }

    public final void println(boolean b) throws IOException {
        print(b);
        println();
    }

    public final void println(char c) throws IOException {
        print(c);
        println();
    }

    public final void println(int i) throws IOException {
        print(i);
        println();
    }

    public final void println(long l) throws IOException {
        print(l);
        println();
    }

    public final void println(float f) throws IOException {
        print(f);
        println();
    }

    public final void println(double d) throws IOException {
        print(d);
        println();
    }

    public final void println(char[] ch) throws IOException {
        print(ch);
        println();
    }

    public final void println(String s) throws IOException {
        print(s);
        println();
    }

    public final void println(Object obj) throws IOException {
        print(obj);
        println();
    }

    public final void write(char[] ch, int off, int len) throws IOException {
        if (closed) throw new IOException("JspWriter closed");
        for (int i = 0; i < len; i++) {
            out.write(ch[off + i]);
        }
    }

    public final void clear() throws IOException {
        try {
            out.reset();
        } catch (IllegalStateException e) {
            throw new IOException(e.toString());
        }
    }

    public final void clearBuffer() throws IOException {
        try {
            out.reset();
        } catch (IllegalStateException e) {}
    }

    public final void flush() throws IOException {
        out.flush();
    }

    public final void close() throws IOException {
        if (!closed) {
            out.close();
            closed = true;
        }
    }

    public final int getRemaining() {
        return out.getRemaining();
    }

    public final void setBufferSize(int bufferSize) {
        out.setBufferSize(bufferSize);
    }

    public final void setAutoFlush(boolean autoFlush) {
        out.setAutoFlush(autoFlush);
    }
}