xmlsignatureinputdebugger.java

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						// included and inclusive
						this._writer
								.write(HTMLIncludedInclusiveNamespacePrefix);
					} else {

						// included and not inclusive
						this._writer.write(HTMLIncludePrefix);
					}
				} else {
					if (inclusive) {

						// excluded and inclusive
						this._writer
								.write(HTMLExcludedInclusiveNamespacePrefix);
					} else {

						// excluded and not inclusive
						this._writer.write(HTMLExcludePrefix);
					}
				}

				this.outputAttrToWriter(a.getNodeName(), a.getNodeValue());

				if (included) {
					if (inclusive) {

						// included and inclusive
						this._writer
								.write(HTMLIncludedInclusiveNamespaceSuffix);
					} else {

						// included and not inclusive
						this._writer.write(HTMLIncludeSuffix);
					}
				} else {
					if (inclusive) {

						// excluded and inclusive
						this._writer
								.write(HTMLExcludedInclusiveNamespaceSuffix);
					} else {

						// excluded and not inclusive
						this._writer.write(HTMLExcludeSuffix);
					}
				}
			}

			if (this._xpathNodeSet.contains(currentNode)) {
				this._writer.write(HTMLIncludePrefix);
			} else {
				this._writer.write(HTMLExcludePrefix);
			}

			this._writer.write(">");

			if (this._xpathNodeSet.contains(currentNode)) {
				this._writer.write(HTMLIncludeSuffix);
			} else {
				this._writer.write(HTMLExcludeSuffix);
			}

			// traversal
			for (Node currentChild = currentNode.getFirstChild(); currentChild != null; currentChild = currentChild
					.getNextSibling()) {
				this.canonicalizeXPathNodeSet(currentChild);
			}

			if (this._xpathNodeSet.contains(currentNode)) {
				this._writer.write(HTMLIncludePrefix);
			} else {
				this._writer.write(HTMLExcludePrefix);
			}

			this._writer.write("</");
			this._writer.write(currentElement.getTagName());
			this._writer.write(">");

			if (this._xpathNodeSet.contains(currentNode)) {
				this._writer.write(HTMLIncludeSuffix);
			} else {
				this._writer.write(HTMLExcludeSuffix);
			}
			break;
		}
	}

	/**
	 * Checks whether a Comment or ProcessingInstruction is before or after the
	 * document element. This is needed for prepending or appending "\n"s.
	 * 
	 * @param currentNode
	 *            comment or pi to check
	 * @return NODE_BEFORE_DOCUMENT_ELEMENT,
	 *         NODE_NOT_BEFORE_OR_AFTER_DOCUMENT_ELEMENT or
	 *         NODE_AFTER_DOCUMENT_ELEMENT
	 * @see #NODE_BEFORE_DOCUMENT_ELEMENT
	 * @see #NODE_NOT_BEFORE_OR_AFTER_DOCUMENT_ELEMENT
	 * @see #NODE_AFTER_DOCUMENT_ELEMENT
	 */
	private int getPositionRelativeToDocumentElement(Node currentNode) {

		if (currentNode == null) {
			return NODE_NOT_BEFORE_OR_AFTER_DOCUMENT_ELEMENT;
		}

		Document doc = currentNode.getOwnerDocument();

		if (currentNode.getParentNode() != doc) {
			return NODE_NOT_BEFORE_OR_AFTER_DOCUMENT_ELEMENT;
		}

		Element documentElement = doc.getDocumentElement();

		if (documentElement == null) {
			return NODE_NOT_BEFORE_OR_AFTER_DOCUMENT_ELEMENT;
		}

		if (documentElement == currentNode) {
			return NODE_NOT_BEFORE_OR_AFTER_DOCUMENT_ELEMENT;
		}

		for (Node x = currentNode; x != null; x = x.getNextSibling()) {
			if (x == documentElement) {
				return NODE_BEFORE_DOCUMENT_ELEMENT;
			}
		}

		return NODE_AFTER_DOCUMENT_ELEMENT;
	}

	/**
	 * Normalizes an {@link Attr}ibute value
	 * 
	 * The string value of the node is modified by replacing
	 * <UL>
	 * <LI>all ampersands (&) with <CODE>&amp;amp;</CODE></LI>
	 * <LI>all open angle brackets (<) with <CODE>&amp;lt;</CODE></LI>
	 * <LI>all quotation mark characters with <CODE>&amp;quot;</CODE></LI>
	 * <LI>and the whitespace characters <CODE>#x9</CODE>, #xA, and #xD,
	 * with character references. The character references are written in
	 * uppercase hexadecimal with no leading zeroes (for example, <CODE>#xD</CODE>
	 * is represented by the character reference <CODE>&amp;#xD;</CODE>)</LI>
	 * </UL>
	 * 
	 * @param name
	 * @param value
	 * @throws IOException
	 */
	private void outputAttrToWriter(String name, String value)
			throws IOException {

		this._writer.write(" ");
		this._writer.write(name);
		this._writer.write("=\"");

		int length = value.length();

		for (int i = 0; i < length; i++) {
			char c = value.charAt(i);

			switch (c) {

			case '&':
				this._writer.write("&amp;amp;");
				break;

			case '<':
				this._writer.write("&amp;lt;");
				break;

			case '"':
				this._writer.write("&amp;quot;");
				break;

			case 0x09: // '\t'
				this._writer.write("&amp;#x9;");
				break;

			case 0x0A: // '\n'
				this._writer.write("&amp;#xA;");
				break;

			case 0x0D: // '\r'
				this._writer.write("&amp;#xD;");
				break;

			default:
				this._writer.write(c);
				break;
			}
		}

		this._writer.write("\"");
	}

	/**
	 * Normalizes a {@link org.w3c.dom.Comment} value
	 * 
	 * @param currentPI
	 * @throws IOException
	 */
	private void outputPItoWriter(ProcessingInstruction currentPI)
			throws IOException {

		if (currentPI == null) {
			return;
		}

		this._writer.write("&lt;?");

		String target = currentPI.getTarget();
		int length = target.length();

		for (int i = 0; i < length; i++) {
			char c = target.charAt(i);

			switch (c) {

			case 0x0D:
				this._writer.write("&amp;#xD;");
				break;

			case ' ':
				this._writer.write("&middot;");
				break;

			case '\n':
				this._writer.write("&para;\n");
				break;

			default:
				this._writer.write(c);
				break;
			}
		}

		String data = currentPI.getData();

		length = data.length();

		if ((data != null) && (length > 0)) {
			this._writer.write(" ");

			for (int i = 0; i < length; i++) {
				char c = data.charAt(i);

				switch (c) {

				case 0x0D:
					this._writer.write("&amp;#xD;");
					break;

				default:
					this._writer.write(c);
					break;
				}
			}
		}

		this._writer.write("?&gt;");
	}

	/**
	 * Method outputCommentToWriter
	 * 
	 * @param currentComment
	 * @throws IOException
	 */
	private void outputCommentToWriter(Comment currentComment)
			throws IOException {

		if (currentComment == null) {
			return;
		}

		this._writer.write("&lt;!--");

		String data = currentComment.getData();
		int length = data.length();

		for (int i = 0; i < length; i++) {
			char c = data.charAt(i);

			switch (c) {

			case 0x0D:
				this._writer.write("&amp;#xD;");
				break;

			case ' ':
				this._writer.write("&middot;");
				break;

			case '\n':
				this._writer.write("&para;\n");
				break;

			default:
				this._writer.write(c);
				break;
			}
		}

		this._writer.write("--&gt;");
	}

	/**
	 * Method outputTextToWriter
	 * 
	 * @param text
	 * @throws IOException
	 */
	private void outputTextToWriter(String text) throws IOException {

		if (text == null) {
			return;
		}

		int length = text.length();

		for (int i = 0; i < length; i++) {
			char c = text.charAt(i);

			switch (c) {

			case '&':
				this._writer.write("&amp;amp;");
				break;

			case '<':
				this._writer.write("&amp;lt;");
				break;

			case '>':
				this._writer.write("&amp;gt;");
				break;

			case 0xD:
				this._writer.write("&amp;#xD;");
				break;

			case ' ':
				this._writer.write("&middot;");
				break;

			case '\n':
				this._writer.write("&para;\n");
				break;

			default:
				this._writer.write(c);
				break;
			}
		}
	}
}