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
;
8 import java
.util
.HashSet
;
11 import javax
.xml
.namespace
.QName
;
12 import javax
.xml
.parsers
.DocumentBuilder
;
13 import javax
.xml
.transform
.OutputKeys
;
14 import javax
.xml
.transform
.Transformer
;
15 import javax
.xml
.transform
.TransformerException
;
16 import javax
.xml
.transform
.TransformerFactory
;
17 import javax
.xml
.transform
.dom
.DOMSource
;
18 import javax
.xml
.transform
.stream
.StreamResult
;
20 import org
.argeo
.api
.acr
.ArgeoNamespace
;
21 import org
.argeo
.api
.acr
.Content
;
22 import org
.argeo
.api
.acr
.CrName
;
23 import org
.argeo
.api
.acr
.NamespaceUtils
;
24 import org
.argeo
.api
.acr
.RuntimeNamespaceContext
;
25 import org
.argeo
.api
.acr
.spi
.ContentProvider
;
26 import org
.argeo
.api
.acr
.spi
.ProvidedContent
;
27 import org
.argeo
.api
.acr
.spi
.ProvidedRepository
;
28 import org
.argeo
.api
.cms
.CmsLog
;
29 import org
.argeo
.cms
.acr
.xml
.DomContentProvider
;
30 import org
.argeo
.cms
.acr
.xml
.DomUtils
;
31 import org
.w3c
.dom
.DOMException
;
32 import org
.w3c
.dom
.Document
;
33 import org
.w3c
.dom
.Element
;
34 import org
.xml
.sax
.SAXException
;
37 * Base implementation of a {@link ProvidedRepository}.
39 public abstract class AbstractContentRepository
implements ProvidedRepository
{
40 private final static CmsLog log
= CmsLog
.getLog(AbstractContentRepository
.class);
42 private MountManager mountManager
;
43 private TypesManager typesManager
;
45 private CmsContentSession systemSession
;
47 private Set
<ContentProvider
> providersToAdd
= new HashSet
<>();
50 /** Should be used only to copy source and results. */
51 private TransformerFactory identityTransformerFactory
= TransformerFactory
.newInstance();
53 // public final static String ACR_MOUNT_PATH_PROPERTY = "acr.mount.path";
55 public AbstractContentRepository() {
56 long begin
= System
.currentTimeMillis();
58 typesManager
= new TypesManager();
60 Set
<QName
> types
= typesManager
.listTypes();
61 if (log
.isTraceEnabled())
62 for (QName type
: types
) {
63 log
.trace(type
+ " - " + typesManager
.getAttributeTypes(type
));
65 long duration
= System
.currentTimeMillis() - begin
;
66 log
.debug(() -> "CMS content types available (initialisation took " + duration
+ " ms)");
69 protected abstract CmsContentSession
newSystemSession();
72 systemSession
= newSystemSession();
74 mountManager
= new MountManager(systemSession
);
78 systemSession
.close();
86 public void addProvider(ContentProvider provider
) {
87 if (mountManager
== null) {
88 providersToAdd
.add(provider
);
90 () -> "Will add provider " + provider
.getMountPath() + " (" + provider
.getClass().getName() + ")");
92 mountManager
.addStructuralContentProvider(provider
);
93 log
.debug(() -> "Added provider " + provider
.getMountPath() + " (" + provider
.getClass().getName() + ")");
97 public void registerTypes(String prefix
, String namespaceURI
, String schemaSystemId
) {
98 typesManager
.registerTypes(prefix
, namespaceURI
, schemaSystemId
);
104 public void initRootContentProvider(Path path
) {
106 // DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
107 // factory.setNamespaceAware(true);
108 // factory.setXIncludeAware(true);
109 // factory.setSchema(contentTypesManager.getSchema());
111 DocumentBuilder dBuilder
= typesManager
.newDocumentBuilder();
114 // if (path != null && Files.exists(path)) {
115 // InputSource inputSource = new InputSource(path.toAbsolutePath().toUri().toString());
116 // inputSource.setEncoding(StandardCharsets.UTF_8.name());
117 // // TODO public id as well?
118 // document = dBuilder.parse(inputSource);
120 document
= dBuilder
.newDocument();
121 Element root
= document
.createElementNS(ArgeoNamespace
.CR_NAMESPACE_URI
,
122 NamespaceUtils
.toPrefixedName(CrName
.root
.qName()));
124 for (String prefix
: RuntimeNamespaceContext
.getPrefixes().keySet()) {
125 // root.setAttributeNS(XMLConstants.XMLNS_ATTRIBUTE_NS_URI, XMLConstants.XMLNS_ATTRIBUTE + ":" + prefix,
126 // contentTypesManager.getPrefixes().get(prefix));
127 DomUtils
.addNamespace(root
, prefix
,
128 RuntimeNamespaceContext
.getNamespaceContext().getNamespaceURI(prefix
));
131 document
.appendChild(root
);
135 try (OutputStream out
= Files
.newOutputStream(path
)) {
136 writeDom(document
, out
);
141 String mountPath
= "/";
142 DomContentProvider contentProvider
= new DomContentProvider(mountPath
, document
);
143 addProvider(contentProvider
);
144 } catch (DOMException
| IOException e
) {
145 throw new IllegalStateException("Cannot init ACR root " + path
, e
);
148 // add content providers already notified
149 for (ContentProvider contentProvider
: providersToAdd
)
150 addProvider(contentProvider
);
151 providersToAdd
.clear();
154 public void writeDom(Document document
, OutputStream out
) throws IOException
{
156 Transformer transformer
= identityTransformerFactory
.newTransformer();
157 transformer
.setOutputProperty(OutputKeys
.ENCODING
, "UTF-8");
158 transformer
.setOutputProperty(OutputKeys
.INDENT
, "yes");
160 DOMSource source
= new DOMSource(document
);
161 typesManager
.validate(source
);
162 StreamResult result
= new StreamResult(out
);
163 transformer
.transform(source
, result
);
164 } catch (TransformerException e
) {
165 throw new IOException("Cannot write dom", e
);
174 public ContentProvider
getMountContentProvider(Content mountPoint
, boolean initialize
, QName
... types
) {
175 String mountPath
= mountPoint
.getPath();
176 // TODO check consistency with types
178 return mountManager
.getOrAddMountedProvider(mountPath
, (path
) -> {
179 DocumentBuilder dBuilder
= typesManager
.newDocumentBuilder();
182 QName firstType
= types
[0];
183 document
= dBuilder
.newDocument();
184 String prefix
= ((ProvidedContent
) mountPoint
).getSession().getPrefix(firstType
.getNamespaceURI());
185 Element root
= document
.createElementNS(firstType
.getNamespaceURI(),
186 prefix
+ ":" + firstType
.getLocalPart());
187 DomUtils
.addNamespace(root
, prefix
, firstType
.getNamespaceURI());
188 document
.appendChild(root
);
190 try (InputStream in
= mountPoint
.open(InputStream
.class)) {
191 document
= dBuilder
.parse(in
);
192 // TODO check consistency with types
193 } catch (IOException
| SAXException e
) {
194 throw new IllegalStateException("Cannot load mount from " + mountPoint
, e
);
197 DomContentProvider contentProvider
= new DomContentProvider(path
, document
);
198 return contentProvider
;
203 public boolean shouldMount(QName
... types
) {
204 if (types
.length
== 0)
206 QName firstType
= types
[0];
207 Set
<QName
> registeredTypes
= typesManager
.listTypes();
208 if (registeredTypes
.contains(firstType
))
213 MountManager
getMountManager() {
217 TypesManager
getTypesManager() {
221 CmsContentSession
getSystemSession() {
222 return systemSession
;