001: /*
002: * The Apache Software License, Version 1.1
003: *
004: *
005: * Copyright (c) 1999 The Apache Software Foundation. All rights
006: * reserved.
007: *
008: * Redistribution and use in source and binary forms, with or without
009: * modification, are permitted provided that the following conditions
010: * are met:
011: *
012: * 1. Redistributions of source code must retain the above copyright
013: * notice, this list of conditions and the following disclaimer.
014: *
015: * 2. Redistributions in binary form must reproduce the above copyright
016: * notice, this list of conditions and the following disclaimer in
017: * the documentation and/or other materials provided with the
018: * distribution.
019: *
020: * 3. The end-user documentation included with the redistribution,
021: * if any, must include the following acknowledgment:
022: * "This product includes software developed by the
023: * Apache Software Foundation (http://www.apache.org/)."
024: * Alternately, this acknowledgment may appear in the software itself,
025: * if and wherever such third-party acknowledgments normally appear.
026: *
027: * 4. The names "Xerces" and "Apache Software Foundation" must
028: * not be used to endorse or promote products derived from this
029: * software without prior written permission. For written
030: * permission, please contact apache@apache.org.
031: *
032: * 5. Products derived from this software may not be called "Apache",
033: * nor may "Apache" appear in their name, without prior written
034: * permission of the Apache Software Foundation.
035: *
036: * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
037: * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
038: * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
039: * DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
040: * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
041: * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
042: * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
043: * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
044: * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
045: * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
046: * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
047: * SUCH DAMAGE.
048: * ====================================================================
049: *
050: * This software consists of voluntary contributions made by many
051: * individuals on behalf of the Apache Software Foundation and was
052: * originally based on software copyright (c) 1999, International
053: * Business Machines, Inc., http://www.apache.org. For more
054: * information on the Apache Software Foundation, please see
055: * <http://www.apache.org/>.
056: */
057: package dom.traversal;
058:
059: import org.w3c.dom.traversal.*;
060: import org.w3c.dom.Node;
061: import org.w3c.dom.Element;
062:
063: /** An example filter which enables the client to set a <b>name</b> value
064: * accept those node names which <b>match</b> (or explicitly <b>not match</b>)
065: * the set name value.
066: */
067: public class NameNodeFilter implements NodeFilter {
068:
069: String fName;
070: boolean fMatch = true;
071:
072: /** The name to compare with the node name. If null, all node names
073: * are successfully matched.
074: */
075: public void setName(String name) {
076: this .fName = name;
077: }
078:
079: /** Return the name to compare with node name. If null, all node names
080: * are successfully matched. */
081: public String getName() {
082: return this .fName;
083: }
084:
085: /**
086: * Controls whether the node name is accepted when it <b>does</b> match
087: * the setName value, or when it <b>does not</b> match the setName value.
088: * If the setName value is null this match value does not matter, and
089: * all names will match.
090: * If match is true, the node name is accepted when it matches.
091: * If match is false, the node name is accepted when does not match.
092: */
093: public void setMatch(boolean match) {
094: this .fMatch = match;
095: }
096:
097: /** Return match value. */
098: public boolean getMatch() {
099: return this .fMatch;
100: }
101:
102: /** acceptNode determines if this filter accepts a node name or not. */
103: public short acceptNode(Node n) {
104:
105: if (fName == null || fMatch && n.getNodeName().equals(fName)
106: || !fMatch && !n.getNodeName().equals(fName))
107: return FILTER_ACCEPT;
108: else
109: return FILTER_REJECT;
110: }
111: }
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