| /* |
| * Copyright 2003-2007 the original author or authors. |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| 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); |
| } |
| } |