Java XML Node Path getNodeCompletePath(Node node)

Description

get Node Complete Path

License

Open Source License

Declaration

public static String getNodeCompletePath(Node node)

Method Source Code

//package com.java2s;
/**/*w  ww. j a v a  2  s. c om*/
 * (The MIT License)
 *
 * Copyright (c) 2008 - 2014:
 *
 * * {Aaron Patterson}[http://tenderlovemaking.com]
 * * {Mike Dalessio}[http://mike.daless.io]
 * * {Charles Nutter}[http://blog.headius.com]
 * * {Sergio Arbeo}[http://www.serabe.com]
 * * {Patrick Mahoney}[http://polycrystal.org]
 * * {Yoko Harada}[http://yokolet.blogspot.com]
 *
 * Permission is hereby granted, free of charge, to any person obtaining
 * a copy of this software and associated documentation files (the
 * 'Software'), to deal in the Software without restriction, including
 * without limitation the rights to use, copy, modify, merge, publish,
 * distribute, sublicense, and/or sell copies of the Software, and to
 * permit persons to whom the Software is furnished to do so, subject to
 * the following conditions:
 * 
 * The above copyright notice and this permission notice shall be
 * included in all copies or substantial portions of the Software.
 * 
 * THE SOFTWARE IS PROVIDED 'AS IS', WITHOUT WARRANTY OF ANY KIND,
 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
 * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
 * CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 */

import org.w3c.dom.Attr;

import org.w3c.dom.Node;

public class Main {
    public static String getNodeCompletePath(Node node) {

        Node cur, tmp, next;

        // TODO: Rename buffer to path.
        String buffer = "";
        String sep;
        String name;

        int occur = 0;
        boolean generic;

        cur = node;

        do {
            name = "";
            sep = "?";
            occur = 0;
            generic = false;

            if (cur.getNodeType() == Node.DOCUMENT_NODE) {
                if (buffer.startsWith("/"))
                    break;

                sep = "/";
                next = null;
            } else if (cur.getNodeType() == Node.ELEMENT_NODE) {
                generic = false;
                sep = "/";

                name = cur.getLocalName();
                if (name == null)
                    name = cur.getNodeName();
                if (cur.getNamespaceURI() != null) {
                    if (cur.getPrefix() != null) {
                        name = cur.getPrefix() + ":" + name;
                    } else {
                        generic = true;
                        name = "*";
                    }
                }

                next = cur.getParentNode();

                /*
                 * Thumbler index computation
                 */

                tmp = cur.getPreviousSibling();

                while (tmp != null) {
                    if ((tmp.getNodeType() == Node.ELEMENT_NODE)
                            && (generic || fullNamesMatch(tmp, cur))) {
                        occur++;
                    }
                    tmp = tmp.getPreviousSibling();
                }

                if (occur == 0) {
                    tmp = cur.getNextSibling();

                    while (tmp != null && occur == 0) {
                        if ((tmp.getNodeType() == Node.ELEMENT_NODE)
                                && (generic || fullNamesMatch(tmp, cur))) {
                            occur++;
                        }
                        tmp = tmp.getNextSibling();
                    }

                    if (occur != 0)
                        occur = 1;

                } else {
                    occur++;
                }
            } else if (cur.getNodeType() == Node.COMMENT_NODE) {
                sep = "/";
                name = "comment()";
                next = cur.getParentNode();

                /*
                 * Thumbler index computation.
                 */

                tmp = cur.getPreviousSibling();

                while (tmp != null) {
                    if (tmp.getNodeType() == Node.COMMENT_NODE) {
                        occur++;
                    }
                    tmp = tmp.getPreviousSibling();
                }

                if (occur == 0) {
                    tmp = cur.getNextSibling();
                    while (tmp != null && occur == 0) {
                        if (tmp.getNodeType() == Node.COMMENT_NODE) {
                            occur++;
                        }
                        tmp = tmp.getNextSibling();
                    }
                    if (occur != 0)
                        occur = 1;
                } else {
                    occur = 1;
                }

            } else if (cur.getNodeType() == Node.TEXT_NODE
                    || cur.getNodeType() == Node.CDATA_SECTION_NODE) {
                // I'm here. gist:129
                // http://gist.github.com/144923

                sep = "/";
                name = "text()";
                next = cur.getParentNode();

                /*
                 * Thumbler index computation.
                 */

                tmp = cur.getPreviousSibling();
                while (tmp != null) {
                    if (tmp.getNodeType() == Node.TEXT_NODE
                            || tmp.getNodeType() == Node.CDATA_SECTION_NODE) {
                        occur++;
                    }
                    tmp = tmp.getPreviousSibling();
                }

                if (occur == 0) {
                    tmp = cur.getNextSibling();

                    while (tmp != null && occur == 0) {
                        if (tmp.getNodeType() == Node.TEXT_NODE
                                || tmp.getNodeType() == Node.CDATA_SECTION_NODE) {
                            occur++;
                        }
                        tmp = tmp.getNextSibling();
                    }
                } else {
                    occur++;
                }

            } else if (cur.getNodeType() == Node.PROCESSING_INSTRUCTION_NODE) {
                sep = "/";
                name = "processing-instruction('" + cur.getLocalName()
                        + "')";
                next = cur.getParentNode();

                /*
                 * Thumbler index computation.
                 */

                tmp = cur.getParentNode();

                while (tmp != null) {
                    if (tmp.getNodeType() == Node.PROCESSING_INSTRUCTION_NODE
                            && tmp.getLocalName()
                                    .equals(cur.getLocalName())) {
                        occur++;
                    }
                    tmp = tmp.getPreviousSibling();
                }

                if (occur == 0) {
                    tmp = cur.getNextSibling();

                    while (tmp != null && occur == 0) {
                        if (tmp.getNodeType() == Node.PROCESSING_INSTRUCTION_NODE
                                && tmp.getLocalName().equals(
                                        cur.getLocalName())) {
                            occur++;
                        }
                        tmp = tmp.getNextSibling();
                    }

                    if (occur != 0) {
                        occur = 1;
                    }

                } else {
                    occur++;
                }

            } else if (cur.getNodeType() == Node.ATTRIBUTE_NODE) {
                sep = "/@";
                name = cur.getLocalName();

                if (cur.getNamespaceURI() != null) {
                    if (cur.getPrefix() != null) {
                        name = cur.getPrefix() + ":" + name;
                    }
                }

                next = ((Attr) cur).getOwnerElement();

            } else {
                next = cur.getParentNode();
            }

            if (occur == 0) {
                buffer = sep + name + buffer;
            } else {
                buffer = sep + name + "[" + occur + "]" + buffer;
            }

            cur = next;

        } while (cur != null);

        return buffer;
    }

    public static String getNodeName(Node node) {
        if (node == null) {
            System.out.println("node is null");
            return "";
        }
        String name = node.getNodeName();
        if (name == null) {
            System.out.println("name is null");
            return "";
        }
        if (name.equals("#document")) {
            return "document";
        } else if (name.equals("#text")) {
            return "text";
        } else {
            name = getLocalPart(name);
            return (name == null) ? "" : name;
        }
    }

    /**
     * Return the prefix of a qualified name like "prefix:local".
     * Returns null if there is no prefix.
     */
    public static String getPrefix(String qName) {
        if (qName == null)
            return null;

        int pos = qName.indexOf(':');
        if (pos > 0)
            return qName.substring(0, pos);
        else
            return null;
    }

    protected static boolean fullNamesMatch(Node a, Node b) {
        return a.getNodeName().equals(b.getNodeName());
    }

    /**
     * Return the local part of a qualified name like "prefix:local".
     * Returns <code>qName</code> if there is no prefix.
     */
    public static String getLocalPart(String qName) {
        if (qName == null)
            return null;

        int pos = qName.indexOf(':');
        if (pos > 0)
            return qName.substring(pos + 1);
        else
            return qName;
    }
}

Java XML Node Path getNodeCompletePath(Node node)

Description

License

Declaration

Method Source Code

Related