1 package org
.argeo
.cms
.acr
;
3 import java
.io
.IOException
;
4 import java
.io
.InputStream
;
5 import java
.io
.OutputStream
;
6 import java
.nio
.file
.Files
;
7 import java
.nio
.file
.Path
;
10 import javax
.xml
.namespace
.QName
;
11 import javax
.xml
.parsers
.DocumentBuilder
;
12 import javax
.xml
.transform
.OutputKeys
;
13 import javax
.xml
.transform
.Transformer
;
14 import javax
.xml
.transform
.TransformerException
;
15 import javax
.xml
.transform
.TransformerFactory
;
16 import javax
.xml
.transform
.dom
.DOMSource
;
17 import javax
.xml
.transform
.stream
.StreamResult
;
19 import org
.argeo
.api
.acr
.Content
;
20 import org
.argeo
.api
.acr
.CrName
;
21 import org
.argeo
.api
.acr
.spi
.ContentProvider
;
22 import org
.argeo
.api
.acr
.spi
.ProvidedContent
;
23 import org
.argeo
.api
.acr
.spi
.ProvidedRepository
;
24 import org
.argeo
.api
.cms
.CmsLog
;
25 import org
.argeo
.cms
.acr
.xml
.DomContentProvider
;
26 import org
.argeo
.cms
.acr
.xml
.DomUtils
;
27 import org
.w3c
.dom
.DOMException
;
28 import org
.w3c
.dom
.Document
;
29 import org
.w3c
.dom
.Element
;
30 import org
.xml
.sax
.SAXException
;
33 * Base implementation of a {@link ProvidedRepository}.
35 public abstract class AbstractContentRepository
implements ProvidedRepository
{
36 private final static CmsLog log
= CmsLog
.getLog(AbstractContentRepository
.class);
38 private final MountManager mountManager
;
39 private final TypesManager typesManager
;
41 private CmsContentSession systemSession
;
44 /** Should be used only to copy source and results. */
45 private TransformerFactory identityTransformerFactory
= TransformerFactory
.newInstance();
47 public final static String ACR_MOUNT_PATH_PROPERTY
= "acr.mount.path";
49 public AbstractContentRepository() {
51 typesManager
= new TypesManager();
53 Set
<QName
> types
= typesManager
.listTypes();
54 if (log
.isTraceEnabled())
55 for (QName type
: types
) {
56 log
.trace(type
+ " - " + typesManager
.getAttributeTypes(type
));
59 systemSession
= newSystemSession();
62 mountManager
= new MountManager(systemSession
);
66 protected abstract CmsContentSession
newSystemSession();
79 public void addProvider(ContentProvider provider
) {
80 mountManager
.addStructuralContentProvider(provider
);
83 public void registerTypes(String prefix
, String namespaceURI
, String schemaSystemId
) {
84 typesManager
.registerTypes(prefix
, namespaceURI
, schemaSystemId
);
90 public void initRootContentProvider(Path path
) {
92 // DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
93 // factory.setNamespaceAware(true);
94 // factory.setXIncludeAware(true);
95 // factory.setSchema(contentTypesManager.getSchema());
97 DocumentBuilder dBuilder
= typesManager
.newDocumentBuilder();
100 // if (path != null && Files.exists(path)) {
101 // InputSource inputSource = new InputSource(path.toAbsolutePath().toUri().toString());
102 // inputSource.setEncoding(StandardCharsets.UTF_8.name());
103 // // TODO public id as well?
104 // document = dBuilder.parse(inputSource);
106 document
= dBuilder
.newDocument();
107 Element root
= document
.createElementNS(CrName
.CR_NAMESPACE_URI
, CrName
.ROOT
.get().toPrefixedString());
109 for (String prefix
: typesManager
.getPrefixes().keySet()) {
110 // root.setAttributeNS(XMLConstants.XMLNS_ATTRIBUTE_NS_URI, XMLConstants.XMLNS_ATTRIBUTE + ":" + prefix,
111 // contentTypesManager.getPrefixes().get(prefix));
112 DomUtils
.addNamespace(root
, prefix
, typesManager
.getPrefixes().get(prefix
));
115 document
.appendChild(root
);
119 try (OutputStream out
= Files
.newOutputStream(path
)) {
120 writeDom(document
, out
);
125 String mountPath
= "/";
126 DomContentProvider contentProvider
= new DomContentProvider(mountPath
, document
);
127 addProvider(contentProvider
);
128 } catch (DOMException
| IOException e
) {
129 throw new IllegalStateException("Cannot init ACR root " + path
, e
);
134 public void writeDom(Document document
, OutputStream out
) throws IOException
{
136 Transformer transformer
= identityTransformerFactory
.newTransformer();
137 transformer
.setOutputProperty(OutputKeys
.ENCODING
, "UTF-8");
138 transformer
.setOutputProperty(OutputKeys
.INDENT
, "yes");
140 DOMSource source
= new DOMSource(document
);
141 typesManager
.validate(source
);
142 StreamResult result
= new StreamResult(out
);
143 transformer
.transform(source
, result
);
144 } catch (TransformerException e
) {
145 throw new IOException("Cannot write dom", e
);
154 public ContentProvider
getMountContentProvider(Content mountPoint
, boolean initialize
, QName
... types
) {
155 String mountPath
= mountPoint
.getPath();
156 // TODO check consistency with types
158 return mountManager
.getOrAddMountedProvider(mountPath
, (path
) -> {
159 DocumentBuilder dBuilder
= typesManager
.newDocumentBuilder();
162 QName firstType
= types
[0];
163 document
= dBuilder
.newDocument();
164 String prefix
= ((ProvidedContent
) mountPoint
).getSession().getPrefix(firstType
.getNamespaceURI());
165 Element root
= document
.createElementNS(firstType
.getNamespaceURI(),
166 prefix
+ ":" + firstType
.getLocalPart());
167 DomUtils
.addNamespace(root
, prefix
, firstType
.getNamespaceURI());
168 document
.appendChild(root
);
170 try (InputStream in
= mountPoint
.open(InputStream
.class)) {
171 document
= dBuilder
.parse(in
);
172 // TODO check consistency with types
173 } catch (IOException
| SAXException e
) {
174 throw new IllegalStateException("Cannot load mount from " + mountPoint
, e
);
177 DomContentProvider contentProvider
= new DomContentProvider(path
, document
);
178 return contentProvider
;
183 public boolean shouldMount(QName
... types
) {
184 if (types
.length
== 0)
186 QName firstType
= types
[0];
187 Set
<QName
> registeredTypes
= typesManager
.listTypes();
188 if (registeredTypes
.contains(firstType
))
193 MountManager
getMountManager() {
197 TypesManager
getTypesManager() {