/*

 * Copyright 1998-2007 Sun Microsystems, Inc.  All Rights Reserved.

 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

 *

 * This code is free software; you can redistribute it and/or modify it

 * under the terms of the GNU General Public License version 2 only, as

 * published by the Free Software Foundation.  Sun designates this

 * particular file as subject to the "Classpath" exception as provided

 * by Sun in the LICENSE file that accompanied this code.

 *

 * This code 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

 * version 2 for more details (a copy is included in the LICENSE file that

 * accompanied this code).

 *

 * You should have received a copy of the GNU General Public License version

 * 2 along with this work; if not, write to the Free Software Foundation,

 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

 *

 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,

 * CA 95054 USA or visit www.sun.com if you need additional information or

 * have any questions.

 */

package com.sun.hotspot.igv.data.serialization;

import com.sun.hotspot.igv.data.Properties;

import com.sun.hotspot.igv.data.Property;

import java.io.IOException;

import java.io.Writer;

import java.util.Stack;

/**

 *

 * @author Thomas Wuerthinger

 */

public class XMLWriter extends Writer {

    private Writer inner;

    private Stack<String> elementStack;

    public XMLWriter(Writer inner) {

        this.inner = inner;

        elementStack = new Stack<String>();

    }

    @Override

    public void write(char[] arr) throws IOException {

        write(arr, 0, arr.length);

    }

    public void write(char[] cbuf, int off, int len) throws IOException {

        for (int i = off; i < off + len; i++) {

            char c = cbuf[i];

            if (c == '>') {

                inner.write(">");

            } else if (c == '<') {

                inner.write("<");

            } else if (c == '&') {

                inner.write("&");

            } else {

                inner.write(c);

            }

        }

    }

    public void flush() throws IOException {

        inner.flush();

    }

    public void close() throws IOException {

        inner.close();

    }

    public void endTag() throws IOException {

        inner.write("</" + elementStack.pop() + ">\n");

    }

    public void startTag(String name) throws IOException {

        inner.write("<" + name + ">\n");

        elementStack.push(name);

    }

    public void simpleTag(String name) throws IOException {

        inner.write("<" + name + "/>\n");

    }

    public void startTag(String name, Properties attributes) throws IOException {

        inner.write("<" + name);

        elementStack.push(name);

            inner.write(" " + p.getName() + "=\"");

            write(p.getValue().toCharArray());

            inner.write("\"");

        }

        inner.write(">\n");

    }

    public void simpleTag(String name, Properties attributes) throws IOException {

        inner.write("<" + name);

            inner.write(" " + p.getName() + "=\"");

            write(p.getValue().toCharArray());

            inner.write("\"");

        }

        inner.write("/>\n");

    }

    public void writeProperties(Properties props) throws IOException {

            return;

        }

        startTag(Parser.PROPERTIES_ELEMENT);

            startTag(Parser.PROPERTY_ELEMENT, new Properties(Parser.PROPERTY_NAME_PROPERTY, p.getName()));

            this.write(p.getValue().toCharArray());

            endTag();

        }

        endTag();

    }

}