| /* |
| $Id$ |
| |
| Copyright 2003 (C) James Strachan and Bob Mcwhirter. All Rights Reserved. |
| |
| Redistribution and use of this software and associated documentation |
| ("Software"), with or without modification, are permitted provided |
| that the following conditions are met: |
| |
| 1. Redistributions of source code must retain copyright |
| statements and notices. Redistributions must also contain a |
| copy of this document. |
| |
| 2. Redistributions in binary form must reproduce the |
| above copyright notice, this list of conditions and the |
| following disclaimer in the documentation and/or other |
| materials provided with the distribution. |
| |
| 3. The name "groovy" must not be used to endorse or promote |
| products derived from this Software without prior written |
| permission of The Codehaus. For written permission, |
| please contact info@codehaus.org. |
| |
| 4. Products derived from this Software may not be called "groovy" |
| nor may "groovy" appear in their names without prior written |
| permission of The Codehaus. "groovy" is a registered |
| trademark of The Codehaus. |
| |
| 5. Due credit should be given to The Codehaus - |
| http://groovy.codehaus.org/ |
| |
| THIS SOFTWARE IS PROVIDED BY THE CODEHAUS AND CONTRIBUTORS |
| ``AS IS'' AND ANY EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT |
| NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND |
| FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL |
| THE CODEHAUS OR ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, |
| INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES |
| (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR |
| SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
| HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, |
| STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
| ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED |
| OF THE POSSIBILITY OF SUCH DAMAGE. |
| |
| */ |
| package groovy.xml; |
| |
| import groovy.util.BuilderSupport; |
| |
| import java.util.Iterator; |
| import java.util.Map; |
| |
| import org.xml.sax.Attributes; |
| import org.xml.sax.ContentHandler; |
| import org.xml.sax.SAXException; |
| import org.xml.sax.helpers.AttributesImpl; |
| |
| /** |
| * A helper class for creating a W3C D |
| * |
| * @author <a href="mailto:james@coredevelopers.net">James Strachan</a> |
| * @version $Revision$ |
| */ |
| public class SAXBuilder extends BuilderSupport { |
| |
| private ContentHandler handler; |
| private Attributes emptyAttributes = new AttributesImpl(); |
| |
| public SAXBuilder(ContentHandler handler) { |
| this.handler = handler; |
| } |
| |
| protected void setParent(Object parent, Object child) { |
| } |
| |
| protected Object createNode(Object name) { |
| doStartElement(name, emptyAttributes); |
| return name; |
| } |
| |
| protected Object createNode(Object name, Object value) { |
| doStartElement(name, emptyAttributes); |
| doText(value); |
| return name; |
| } |
| |
| /** |
| * @param value |
| */ |
| private void doText(Object value) { |
| try { |
| char[] text = value.toString().toCharArray(); |
| handler.characters(text, 0, text.length); |
| } |
| catch (SAXException e) { |
| handleException(e); |
| } |
| } |
| |
| protected Object createNode(Object name, Map attributeMap, Object text) { |
| AttributesImpl attributes = new AttributesImpl(); |
| for (Iterator iter = attributeMap.entrySet().iterator(); iter.hasNext();) { |
| Map.Entry entry = (Map.Entry) iter.next(); |
| Object key = entry.getKey(); |
| Object value = entry.getValue(); |
| String uri = ""; |
| String localName = null; |
| String qualifiedName = ""; |
| String valueText = (value != null) ? value.toString() : ""; |
| if (key instanceof QName) { |
| QName qname = (QName) key; |
| uri = qname.getNamespaceURI(); |
| localName = qname.getLocalPart(); |
| qualifiedName = qname.getQualifiedName(); |
| } |
| else { |
| localName = key.toString(); |
| qualifiedName = localName; |
| } |
| |
| attributes.addAttribute(uri, localName, qualifiedName, "CDATA", valueText); |
| } |
| doStartElement(name, attributes); |
| if (text != null) { |
| doText(text); |
| } |
| return name; |
| } |
| |
| protected void doStartElement(Object name, Attributes attributes) { |
| String uri = ""; |
| String localName = null; |
| String qualifiedName = ""; |
| if (name instanceof QName) { |
| QName qname = (QName) name; |
| uri = qname.getNamespaceURI(); |
| localName = qname.getLocalPart(); |
| qualifiedName = qname.getQualifiedName(); |
| } |
| else { |
| localName = name.toString(); |
| qualifiedName = localName; |
| } |
| try { |
| handler.startElement(uri, localName, qualifiedName, attributes); |
| } |
| catch (SAXException e) { |
| handleException(e); |
| } |
| } |
| |
| protected void nodeCompleted(Object parent, Object name) { |
| String uri = ""; |
| String localName = null; |
| String qualifiedName = ""; |
| if (name instanceof QName) { |
| QName qname = (QName) name; |
| uri = qname.getNamespaceURI(); |
| localName = qname.getLocalPart(); |
| qualifiedName = qname.getQualifiedName(); |
| } |
| else { |
| localName = name.toString(); |
| qualifiedName = localName; |
| } |
| try { |
| handler.endElement(uri, localName, qualifiedName); |
| } |
| catch (SAXException e) { |
| handleException(e); |
| } |
| } |
| |
| protected void handleException(SAXException e) { |
| throw new RuntimeException(e); |
| } |
| |
| /* (non-Javadoc) |
| * @see groovy.util.BuilderSupport#createNode(java.lang.Object, java.util.Map, java.lang.Object) |
| */ |
| protected Object createNode(Object name, Map attributes) { |
| return createNode(name, attributes, null); |
| } |
| } |