String[] hlp = new String[nspStack.length + 16];            System.arraycopy(nspStack, 0, hlp, 0, pos);            nspStack = hlp;        }        nspStack[pos++] = prefix;        nspStack[pos] = namespace;    }    public void setOutput(Writer writer) {        this.writer = writer;        // elementStack = new String[12]; //nsp/prefix/name        //nspCounts = new int[4];        //nspStack = new String[8]; //prefix/nsp        //indent = new boolean[4];        nspCounts[0] = 2;        nspCounts[1] = 2;        nspStack[0] = "";        nspStack[1] = "";        nspStack[2] = "xml";        nspStack[3] = "http://www.w3.org/XML/1998/namespace";        pending = false;        auto = 0;        depth = 0;        unicode = false;    }    public void setOutput(OutputStream os, String encoding)        throws IOException {        if (os == null)            throw new IllegalArgumentException();        setOutput(            encoding == null                ? new OutputStreamWriter(os)                : new OutputStreamWriter(os, encoding));        this.encoding = encoding;        if (encoding != null            && encoding.toLowerCase().startsWith("utf"))            unicode = true;    }    public void startDocument(        String encoding,        Boolean standalone)        throws IOException {        writer.write("<?xml version='1.0' ");        if (encoding != null) {            this.encoding = encoding;            if (encoding.toLowerCase().startsWith("utf"))                unicode = true;        }        if (this.encoding != null) {            writer.write("encoding='");            writer.write(this.encoding);            writer.write("' ");        }        if (standalone != null) {            writer.write("standalone='");            writer.write(                standalone.booleanValue() ? "yes" : "no");            writer.write("' ");        }        writer.write("?>");    }    public XmlSerializer startTag(String namespace, String name)        throws IOException {        check(false);        //        if (namespace == null)        //            namespace = "";        if (indent[depth]) {            writer.write("\r\n");            for (int i = 0; i < depth; i++)                writer.write("  ");        }        int esp = depth * 3;        if (elementStack.length < esp + 3) {            String[] hlp = new String[elementStack.length + 12];            System.arraycopy(elementStack, 0, hlp, 0, esp);            elementStack = hlp;        }        String prefix =            namespace == null                ? ""                : getPrefix(namespace, true, true);        if ("".equals(namespace)) {            for (int i = nspCounts[depth];                i < nspCounts[depth + 1];                i++) {                if ("".equals(nspStack[i * 2]) && !"".equals(nspStack[i * 2 + 1])) {                    throw new IllegalStateException("Cannot set default namespace for elements in no namespace");                }            }        }        elementStack[esp++] = namespace;        elementStack[esp++] = prefix;        elementStack[esp] = name;        writer.write('<');        if (!"".equals(prefix)) {            writer.write(prefix);            writer.write(':');        }        writer.write(name);        pending = true;        return this;    }    public XmlSerializer attribute(        String namespace,        String name,        String value)        throws IOException {        if (!pending)            throw new IllegalStateException("illegal position for attribute");        //        int cnt = nspCounts[depth];        if (namespace == null)            namespace = "";        //		depth--;        //		pending = false;        String prefix =            "".equals(namespace)                ? ""                : getPrefix(namespace, false, true);        //		pending = true;        //		depth++;        /*        if (cnt != nspCounts[depth]) {                    writer.write(' ');                    writer.write("xmlns");                    if (nspStack[cnt * 2] != null) {                        writer.write(':');                        writer.write(nspStack[cnt * 2]);                    }                    writer.write("=\"");                    writeEscaped(nspStack[cnt * 2 + 1], '"');                    writer.write('"');                }                */        writer.write(' ');        if (!"".equals(prefix)) {            writer.write(prefix);            writer.write(':');        }        writer.write(name);        writer.write('=');        char q = value.indexOf('"') == -1 ? '"' : '\'';        writer.write(q);        writeEscaped(value, q);        writer.write(q);        return this;    }    public void flush() throws IOException {        check(false);        writer.flush();    }    /*    	public void close() throws IOException {    		check();    		writer.close();    	}    */    public XmlSerializer endTag(String namespace, String name)        throws IOException {        if (!pending)            depth--;        //        if (namespace == null)        //          namespace = "";        if ((namespace == null            && elementStack[depth * 3] != null)            || (namespace != null                && !namespace.equals(elementStack[depth * 3]))            || !elementStack[depth * 3 + 2].equals(name))            throw new IllegalArgumentException("</{"+namespace+"}"+name+"> does not match start");        if (pending) {            check(true);            depth--;        }        else {            if (indent[depth + 1]) {                writer.write("\r\n");                for (int i = 0; i < depth; i++)                    writer.write("  ");            }            writer.write("</");            String prefix = elementStack[depth * 3 + 1];            if (!"".equals(prefix)) {                writer.write(prefix);                writer.write(':');            }            writer.write(name);            writer.write('>');        }        nspCounts[depth + 1] = nspCounts[depth];        return this;    }    public String getNamespace() {        return getDepth() == 0 ? null : elementStack[getDepth() * 3 - 3];    }    public String getName() {        return getDepth() == 0 ? null : elementStack[getDepth() * 3 - 1];    }    public int getDepth() {        return pending ? depth + 1 : depth;    }    public XmlSerializer text(String text) throws IOException {        check(false);        indent[depth] = false;        writeEscaped(text, -1);        return this;    }    public XmlSerializer text(char[] text, int start, int len)        throws IOException {        text(new String(text, start, len));        return this;    }    public void cdsect(String data) throws IOException {        check(false);        writer.write("<![CDATA[");        writer.write(data);        writer.write("]]>");    }    public void comment(String comment) throws IOException {        check(false);        writer.write("<!--");        writer.write(comment);        writer.write("-->");    }    public void processingInstruction(String pi)        throws IOException {        check(false);        writer.write("<?");        writer.write(pi);        writer.write("?>");    }}