001    package ezvcard.types;
002    
003    import java.util.HashMap;
004    import java.util.List;
005    import java.util.Map;
006    
007    import javax.xml.transform.OutputKeys;
008    
009    import org.w3c.dom.Document;
010    import org.w3c.dom.Element;
011    import org.w3c.dom.Node;
012    import org.xml.sax.SAXException;
013    
014    import ezvcard.VCardSubTypes;
015    import ezvcard.VCardVersion;
016    import ezvcard.io.CompatibilityMode;
017    import ezvcard.io.SkipMeException;
018    import ezvcard.util.XCardElement;
019    import ezvcard.util.XmlUtils;
020    
021    /*
022     Copyright (c) 2012, Michael Angstadt
023     All rights reserved.
024    
025     Redistribution and use in source and binary forms, with or without
026     modification, are permitted provided that the following conditions are met: 
027    
028     1. Redistributions of source code must retain the above copyright notice, this
029     list of conditions and the following disclaimer. 
030     2. Redistributions in binary form must reproduce the above copyright notice,
031     this list of conditions and the following disclaimer in the documentation
032     and/or other materials provided with the distribution. 
033    
034     THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
035     ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
036     WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
037     DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
038     ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
039     (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
040     LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
041     ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
042     (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
043     SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
044    
045     The views and conclusions contained in the software and documentation are those
046     of the authors and should not be interpreted as representing official policies, 
047     either expressed or implied, of the FreeBSD Project.
048     */
049    
050    /**
051     * Any XML data attached to the vCard. This is used if the vCard was encoded in
052     * XML (xCard standard) and it contained some non-standard elements.
053     * 
054     * <pre>
055     * VCard vcard = new VCard();
056     * XmlType xml = new XmlType(&quot;&lt;b&gt;Some xml&lt;/b&gt;&quot;);
057     * vcard.addXml(xml);
058     * </pre>
059     * 
060     * <p>
061     * vCard property name: XML
062     * </p>
063     * <p>
064     * vCard versions: 4.0
065     * </p>
066     * @author Michael Angstadt
067     */
068    public class XmlType extends TextType {
069            public static final String NAME = "XML";
070    
071            public XmlType() {
072                    super(NAME);
073            }
074    
075            /**
076             * @param xml the XML element
077             */
078            public XmlType(String xml) {
079                    super(NAME, xml);
080            }
081    
082            /**
083             * Gets the ALTID.
084             * <p>
085             * vCard versions: 4.0
086             * </p>
087             * @return the ALTID or null if it doesn't exist
088             * @see VCardSubTypes#getAltId
089             */
090            public String getAltId() {
091                    return subTypes.getAltId();
092            }
093    
094            /**
095             * Sets the ALTID.
096             * <p>
097             * vCard versions: 4.0
098             * </p>
099             * @param altId the ALTID or null to remove
100             * @see VCardSubTypes#setAltId
101             */
102            public void setAltId(String altId) {
103                    subTypes.setAltId(altId);
104            }
105    
106            @Override
107            public VCardVersion[] getSupportedVersions() {
108                    return new VCardVersion[] { VCardVersion.V4_0 };
109            }
110    
111            /**
112             * Converts the text value of this property to an XML {@link Element}
113             * object.
114             * @return the element object or null if this property's value is null
115             * @throws SAXException if there's a problem parsing the XML
116             */
117            public Element asElement() throws SAXException {
118                    if (value == null) {
119                            return null;
120                    }
121    
122                    Document document = XmlUtils.toDocument(value);
123                    return document.getDocumentElement();
124            }
125    
126            @Override
127            protected void doMarshalXml(XCardElement parent, List<String> warnings, CompatibilityMode compatibilityMode) {
128                    if (value == null) {
129                            throw new SkipMeException("Property does not have a value associated with it.");
130                    }
131    
132                    //parse the XML string
133                    Element root = null;
134                    try {
135                            Document document = XmlUtils.toDocument(value);
136                            root = XmlUtils.getRootElement(document);
137                    } catch (SAXException e) {
138                            throw new SkipMeException("Property value is not valid XML.");
139                    }
140    
141                    //add XML element to marshalled document
142                    Node imported = parent.element().getOwnerDocument().importNode(root, true);
143                    parent.element().appendChild(imported);
144            }
145    
146            @Override
147            protected void doUnmarshalXml(XCardElement element, List<String> warnings, CompatibilityMode compatibilityMode) {
148                    Map<String, String> outputProperties = new HashMap<String, String>();
149                    outputProperties.put(OutputKeys.OMIT_XML_DECLARATION, "yes");
150                    value = XmlUtils.toString(element.element(), outputProperties);
151            }
152    }