Add XML to String buffer - Android XML

Android examples for XML:XML String

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Description

Add XML to String buffer

Demo Code

/*******************************************************************************
 * Copyright (c) 2010 Oak Ridge National Laboratory.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 ******************************************************************************/
//package com.java2s;

public class Main {
    public static void main(String[] argv) throws Exception {
        int level = 2;
        String tag = "java2s.com";
        String value = "java2s.com";
        System.out.println(XML(level, tag, value));
    }// w ww . j a  v a 2s.  co  m

    /** Add XML to buffer
     *  @param buffer Buffer
     *  @param level  Indentation level
     *  @param tag    XML tag
     *  @param value  Value to place in tag
     */
    public static final void XML(final StringBuilder buffer,
            final int level, final String tag, final String value) {
        indent(buffer, level);
        buffer.append("<").append(tag).append(">");
        buffer.append(escapeXMLstring(value));
        buffer.append("</").append(tag).append(">\n");
    }

    /** Format XML value in tag
     *  @param buffer Buffer
     *  @param level  Indentation level
     *  @param tag    XML tag
     *  @param value  Value to place in tag
     *  @return XML for value in tag
     */
    public static final String XML(final int level, final String tag,
            final String value) {
        final StringBuilder buffer = new StringBuilder();
        XML(buffer, level, tag, value);
        return buffer.toString();
    }

    /** Add string for indentation to given level to buffer. */
    public static final void indent(final StringBuilder buf, int level) {
        while (level > 0) {
            buf.append("    ");
            --level;
        }
    }

    /** @return Returns string for indentation to given level. */
    public static final String indent(int level) {
        final StringBuilder buf = new StringBuilder();
        indent(buf, level);
        return buf.toString();
    }

    /** @return Returns text with less-than and ampersands replaced by XML escapes.
     *  @param text
     */
    public static final String escapeXMLstring(final String text) {
        StringBuilder b = new StringBuilder(text.length() + 3);
        int i;
        for (i = 0; i < text.length(); ++i) {
            char c = text.charAt(i);
            // Escape '&' into '&amp;'.
            if (c == '&')
                b.append("&amp;");
            // Escape '<' into '&lt;'.
            else if (c == '<')
                b.append("&lt;");
            // Escape '>' into '&gt;'.
            else if (c == '>')
                b.append("&gt;");
            // Escape '"' into '&quot;'.
            else if (c == '"')
                b.append("&quot;");
            // Escape ''' into '&#039;'.
            else if (c == '\'')
                b.append("&#039;");
            else if (c < 32 || c > 126) { // Other non-printable. Exact definition not clear.
                b.append("&#");
                b.append((int) c);
                b.append(";");
            } else
                b.append(c);
        }
        return b.toString();
    }
}

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