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
.Content
;
21 import org
.argeo
.api
.acr
.CrName
;
22 import org
.argeo
.api
.acr
.NamespaceUtils
;
23 import org
.argeo
.api
.acr
.RuntimeNamespaceContext
;
24 import org
.argeo
.api
.acr
.spi
.ContentProvider
;
25 import org
.argeo
.api
.acr
.spi
.ProvidedContent
;
26 import org
.argeo
.api
.acr
.spi
.ProvidedRepository
;
27 import org
.argeo
.api
.cms
.CmsLog
;
28 import org
.argeo
.cms
.acr
.xml
.DomContentProvider
;
29 import org
.argeo
.cms
.acr
.xml
.DomUtils
;
30 import org
.w3c
.dom
.DOMException
;
31 import org
.w3c
.dom
.Document
;
32 import org
.w3c
.dom
.Element
;
33 import org
.xml
.sax
.SAXException
;
36 * Base implementation of a {@link ProvidedRepository}.
38 public abstract class AbstractContentRepository
implements ProvidedRepository
{
39 private final static CmsLog log
= CmsLog
.getLog(AbstractContentRepository
.class);
41 private MountManager mountManager
;
42 private TypesManager typesManager
;
44 private CmsContentSession systemSession
;
46 private Set
<ContentProvider
> providersToAdd
= new HashSet
<>();
49 /** Should be used only to copy source and results. */
50 private TransformerFactory identityTransformerFactory
= TransformerFactory
.newInstance();
52 // public final static String ACR_MOUNT_PATH_PROPERTY = "acr.mount.path";
54 public AbstractContentRepository() {
55 long begin
= System
.currentTimeMillis();
57 typesManager
= new TypesManager();
59 Set
<QName
> types
= typesManager
.listTypes();
60 if (log
.isTraceEnabled())
61 for (QName type
: types
) {
62 log
.trace(type
+ " - " + typesManager
.getAttributeTypes(type
));
64 long duration
= System
.currentTimeMillis() - begin
;
65 log
.debug(() -> "CMS content types available (initialisation took " + duration
+ " ms)");
68 protected abstract CmsContentSession
newSystemSession();
71 systemSession
= newSystemSession();
73 mountManager
= new MountManager(systemSession
);
77 systemSession
.close();
85 public void addProvider(ContentProvider provider
) {
86 if (mountManager
== null) {
87 providersToAdd
.add(provider
);
89 () -> "Will add provider " + provider
.getMountPath() + " (" + provider
.getClass().getName() + ")");
91 mountManager
.addStructuralContentProvider(provider
);
92 log
.debug(() -> "Added provider " + provider
.getMountPath() + " (" + provider
.getClass().getName() + ")");
96 public void registerTypes(String prefix
, String namespaceURI
, String schemaSystemId
) {
97 typesManager
.registerTypes(prefix
, namespaceURI
, schemaSystemId
);
103 public void initRootContentProvider(Path path
) {
105 // DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
106 // factory.setNamespaceAware(true);
107 // factory.setXIncludeAware(true);
108 // factory.setSchema(contentTypesManager.getSchema());
110 DocumentBuilder dBuilder
= typesManager
.newDocumentBuilder();
113 // if (path != null && Files.exists(path)) {
114 // InputSource inputSource = new InputSource(path.toAbsolutePath().toUri().toString());
115 // inputSource.setEncoding(StandardCharsets.UTF_8.name());
116 // // TODO public id as well?
117 // document = dBuilder.parse(inputSource);
119 document
= dBuilder
.newDocument();
120 Element root
= document
.createElementNS(CrName
.CR_NAMESPACE_URI
,
121 NamespaceUtils
.toPrefixedName(CrName
.root
.qName()));
123 for (String prefix
: RuntimeNamespaceContext
.getPrefixes().keySet()) {
124 // root.setAttributeNS(XMLConstants.XMLNS_ATTRIBUTE_NS_URI, XMLConstants.XMLNS_ATTRIBUTE + ":" + prefix,
125 // contentTypesManager.getPrefixes().get(prefix));
126 DomUtils
.addNamespace(root
, prefix
,
127 RuntimeNamespaceContext
.getNamespaceContext().getNamespaceURI(prefix
));
130 document
.appendChild(root
);
134 try (OutputStream out
= Files
.newOutputStream(path
)) {
135 writeDom(document
, out
);
140 String mountPath
= "/";
141 DomContentProvider contentProvider
= new DomContentProvider(mountPath
, document
);
142 addProvider(contentProvider
);
143 } catch (DOMException
| IOException e
) {
144 throw new IllegalStateException("Cannot init ACR root " + path
, e
);
147 // add content providers already notified
148 for (ContentProvider contentProvider
: providersToAdd
)
149 addProvider(contentProvider
);
150 providersToAdd
.clear();
153 public void writeDom(Document document
, OutputStream out
) throws IOException
{
155 Transformer transformer
= identityTransformerFactory
.newTransformer();
156 transformer
.setOutputProperty(OutputKeys
.ENCODING
, "UTF-8");
157 transformer
.setOutputProperty(OutputKeys
.INDENT
, "yes");
159 DOMSource source
= new DOMSource(document
);
160 typesManager
.validate(source
);
161 StreamResult result
= new StreamResult(out
);
162 transformer
.transform(source
, result
);
163 } catch (TransformerException e
) {
164 throw new IOException("Cannot write dom", e
);
173 public ContentProvider
getMountContentProvider(Content mountPoint
, boolean initialize
, QName
... types
) {
174 String mountPath
= mountPoint
.getPath();
175 // TODO check consistency with types
177 return mountManager
.getOrAddMountedProvider(mountPath
, (path
) -> {
178 DocumentBuilder dBuilder
= typesManager
.newDocumentBuilder();
181 QName firstType
= types
[0];
182 document
= dBuilder
.newDocument();
183 String prefix
= ((ProvidedContent
) mountPoint
).getSession().getPrefix(firstType
.getNamespaceURI());
184 Element root
= document
.createElementNS(firstType
.getNamespaceURI(),
185 prefix
+ ":" + firstType
.getLocalPart());
186 DomUtils
.addNamespace(root
, prefix
, firstType
.getNamespaceURI());
187 document
.appendChild(root
);
189 try (InputStream in
= mountPoint
.open(InputStream
.class)) {
190 document
= dBuilder
.parse(in
);
191 // TODO check consistency with types
192 } catch (IOException
| SAXException e
) {
193 throw new IllegalStateException("Cannot load mount from " + mountPoint
, e
);
196 DomContentProvider contentProvider
= new DomContentProvider(path
, document
);
197 return contentProvider
;
202 public boolean shouldMount(QName
... types
) {
203 if (types
.length
== 0)
205 QName firstType
= types
[0];
206 Set
<QName
> registeredTypes
= typesManager
.listTypes();
207 if (registeredTypes
.contains(firstType
))
212 MountManager
getMountManager() {
216 TypesManager
getTypesManager() {