webwriter.java

jsp + xmｌ实现ｔｒｅｅｖｉｅｗ

/*
 * ====================================================================
 * The JSP Tree Software License, Version 1.1
 *
 * (this license is derived and fully compatible with the Apache Software
 * License - see http://www.apache.org/LICENSE.txt)
 *
 * Copyright (c) 2002-2005 jsptree.sourceforge.net . All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 *
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in
 *    the documentation and/or other materials provided with the
 *    distribution.
 *
 * 3. The end-user documentation included with the redistribution,
 *    if any, must include the following acknowledgment:
 *       "This product includes software developed by
 *        jsptree.sourceforge.net (http://jsptree.sourceforge.net/)."
 *    Alternately, this acknowledgment may appear in the software itself,
 *    if and wherever such third-party acknowledgments normally appear.
 *
 * 4. The name "JSP Tree" must not be used to endorse or promote
 *    products derived from this software without prior written permission.
 *    For written permission, please contact [e-mail] .
 *
 * 5. Products derived from this software may not be called "JSP Tree",
 *    nor may "JSP Tree" appear in their name, without prior written
 *    permission of jsptree.sourceforge.net.
 *
 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED.  IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
 * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 * ====================================================================
 */

package net.sf.jsptree;

import javax.servlet.jsp.JspWriter;
import java.io.IOException;
import java.io.PrintWriter;

/**
 * @author Vladislav Kamensky
 */
public class WebWriter {

    private JspWriter jspWriter;

    private PrintWriter printWriter;

    public WebWriter() {
        jspWriter = null;
        printWriter = null;
    }

    public WebWriter(JspWriter jspWriter) {
        printWriter = null;
        this.jspWriter = jspWriter;
    }

    public WebWriter(PrintWriter printWriter) {
        jspWriter = null;
        this.printWriter = printWriter;
    }

    public void setJspWriter(JspWriter jspWriter) {
        this.jspWriter = jspWriter;
    }

    public JspWriter getJspWriter() {
        return jspWriter;
    }

    public void setPrintWriter(PrintWriter printWriter) {
        this.printWriter = printWriter;
    }

    public PrintWriter getPrintWriter() {
        return printWriter;
    }

    public void close()
            throws IOException {
        if (jspWriter != null)
            jspWriter.close();
        if (printWriter != null)
            printWriter.close();
    }

    public void flush()
            throws IOException {
        if (jspWriter != null)
            jspWriter.flush();
        if (printWriter != null)
            printWriter.flush();
    }

    public void print(boolean b)
            throws IOException {
        if (jspWriter != null)
            jspWriter.print(b);
        if (printWriter != null)
            printWriter.print(b);
    }

    public void print(char c)
            throws IOException {
        if (jspWriter != null)
            jspWriter.print(c);
        if (printWriter != null)
            printWriter.print(c);
    }

    public void print(char s[])
            throws IOException {
        if (jspWriter != null)
            jspWriter.print(s);
        if (printWriter != null)
            printWriter.print(s);
    }

    public void print(double d)
            throws IOException {
        if (jspWriter != null)
            jspWriter.print(d);
        if (printWriter != null)
            printWriter.print(d);
    }

    public void print(float f)
            throws IOException {
        if (jspWriter != null)
            jspWriter.print(f);
        if (printWriter != null)
            printWriter.print(f);
    }

    public void print(int i)
            throws IOException {
        if (jspWriter != null)
            jspWriter.print(i);
        if (printWriter != null)
            printWriter.print(i);
    }

    public void print(long l)
            throws IOException {
        if (jspWriter != null)
            jspWriter.print(l);
        if (printWriter != null)
            printWriter.print(l);
    }

    public void print(Object obj)
            throws IOException {
        if (jspWriter != null)
            jspWriter.print(obj);
        if (printWriter != null)
            printWriter.print(obj);
    }

    public void print(String s)
            throws IOException {
        if (jspWriter != null)
            jspWriter.print(s);
        if (printWriter != null)
            printWriter.print(s);
    }

    public void println()
            throws IOException {
        if (jspWriter != null)
            jspWriter.println();
        if (printWriter != null)
            printWriter.println();
    }

    public void println(boolean b)
            throws IOException {
        if (jspWriter != null)
            jspWriter.println(b);
        if (printWriter != null)
            printWriter.println(b);
    }

    public void println(char c)
            throws IOException {
        if (jspWriter != null)
            jspWriter.println(c);
        if (printWriter != null)
            printWriter.println(c);
    }

    public void println(char s[])
            throws IOException {
        if (jspWriter != null)
            jspWriter.println(s);
        if (printWriter != null)
            printWriter.println(s);
    }

    public void println(double d)
            throws IOException {
        if (jspWriter != null)
            jspWriter.println(d);
        if (printWriter != null)
            printWriter.println(d);
    }

    public void println(float f)
            throws IOException {
        if (jspWriter != null)
            jspWriter.println(f);
        if (printWriter != null)
            printWriter.println(f);
    }

    public void println(int i)
            throws IOException {
        if (jspWriter != null)
            jspWriter.println(i);
        if (printWriter != null)
            printWriter.println(i);
    }

    public void println(long l)
            throws IOException {
        if (jspWriter != null)
            jspWriter.println(l);
        if (printWriter != null)
            printWriter.println(l);
    }

    public void println(Object obj)
            throws IOException {
        if (jspWriter != null)
            jspWriter.println(obj);
        if (printWriter != null)
            printWriter.println(obj);
    }

    public void println(String s)
            throws IOException {
        if (jspWriter != null)
            jspWriter.println(s);
        if (printWriter != null)
            printWriter.println(s);
    }
}