X-Git-Url: http://git.argeo.org/?a=blobdiff_plain;f=org.argeo.cms%2Fsrc%2Forg%2Fargeo%2Fcms%2Facr%2Fxml%2FDomContentProvider.java;h=f76d38ce07a338401452834a3541400892c5cccf;hb=c0342975a37c70895c2e8f6b341d790700168d7f;hp=4db49343386902e40bdd2e15f7a61bf2996b823a;hpb=85015a7cbfe5343c88477d828fa2f8fb754a65cd;p=lgpl%2Fargeo-commons.git

diff --git a/org.argeo.cms/src/org/argeo/cms/acr/xml/DomContentProvider.java b/org.argeo.cms/src/org/argeo/cms/acr/xml/DomContentProvider.java
index 4db493433..f76d38ce0 100644
--- a/org.argeo.cms/src/org/argeo/cms/acr/xml/DomContentProvider.java
+++ b/org.argeo.cms/src/org/argeo/cms/acr/xml/DomContentProvider.java
@@ -1,11 +1,14 @@
 package org.argeo.cms.acr.xml;
 
+import java.io.IOException;
+import java.io.OutputStream;
 import java.util.ArrayList;
 import java.util.Collections;
 import java.util.Iterator;
 import java.util.List;
 
 import javax.xml.namespace.NamespaceContext;
+import javax.xml.transform.TransformerFactory;
 import javax.xml.xpath.XPath;
 import javax.xml.xpath.XPathConstants;
 import javax.xml.xpath.XPathExpressionException;
@@ -13,23 +16,34 @@ import javax.xml.xpath.XPathFactory;
 
 import org.argeo.api.acr.Content;
 import org.argeo.api.acr.ContentNotFoundException;
+import org.argeo.api.acr.CrName;
 import org.argeo.api.acr.NamespaceUtils;
 import org.argeo.api.acr.spi.ContentProvider;
+import org.argeo.api.acr.spi.ProvidedContent;
 import org.argeo.api.acr.spi.ProvidedSession;
+import org.argeo.cms.acr.CmsContentRepository;
 import org.w3c.dom.Document;
 import org.w3c.dom.Element;
 import org.w3c.dom.NodeList;
 
 public class DomContentProvider implements ContentProvider, NamespaceContext {
-	private Document document;
+	private final Document document;
 
 	// XPath
 	// TODO centralise in some executor?
 	private final ThreadLocal<XPath> xPath;
 
-	public DomContentProvider(Document document) {
+	private TransformerFactory transformerFactory;
+
+	private String mountPath;
+
+	public DomContentProvider(String mountPath, Document document) {
+		this.mountPath = mountPath;
 		this.document = document;
 		this.document.normalizeDocument();
+
+		transformerFactory = TransformerFactory.newInstance();
+
 		XPathFactory xPathFactory = XPathFactory.newInstance();
 		xPath = new ThreadLocal<>() {
 
@@ -54,27 +68,61 @@ public class DomContentProvider implements ContentProvider, NamespaceContext {
 //	}
 
 	@Override
-	public Content get(ProvidedSession session, String mountPath, String relativePath) {
+	public ProvidedContent get(ProvidedSession session, String relativePath) {
 		if ("".equals(relativePath))
 			return new DomContent(session, this, document.getDocumentElement());
+
+		NodeList nodes = findContent(relativePath);
+		if (nodes.getLength() > 1)
+			throw new IllegalArgumentException("Multiple content found for " + relativePath + " under " + mountPath);
+		if (nodes.getLength() == 0)
+			throw new ContentNotFoundException("Path " + relativePath + " under " + mountPath + " was not found");
+		Element element = (Element) nodes.item(0);
+		return new DomContent(session, this, element);
+	}
+
+	protected NodeList findContent(String relativePath) {
 		if (relativePath.startsWith("/"))
 			throw new IllegalArgumentException("Relative path cannot start with /");
-
 		String xPathExpression = '/' + relativePath;
 		if ("/".equals(mountPath))
-			xPathExpression = "/cr:root" + xPathExpression;
+			xPathExpression = "/" + CrName.root.qName() + xPathExpression;
 		try {
 			NodeList nodes = (NodeList) xPath.get().evaluate(xPathExpression, document, XPathConstants.NODESET);
-			if (nodes.getLength() > 1)
-				throw new IllegalArgumentException(
-						"Multiple content found for " + relativePath + " under " + mountPath);
-			if (nodes.getLength() == 0)
-				throw new ContentNotFoundException("Path " + relativePath + " under " + mountPath + " was not found");
-			Element element = (Element) nodes.item(0);
-			return new DomContent(session, this, element);
+			return nodes;
 		} catch (XPathExpressionException e) {
 			throw new IllegalArgumentException("XPath expression " + xPathExpression + " cannot be evaluated", e);
 		}
+
+	}
+
+	@Override
+	public boolean exists(ProvidedSession session, String relativePath) {
+		if ("".equals(relativePath))
+			return true;
+		NodeList nodes = findContent(relativePath);
+		return nodes.getLength() != 0;
+	}
+
+	public void persist(ProvidedSession session) {
+		if (mountPath != null) {
+			Content mountPoint = session.getMountPoint(mountPath);
+			try (OutputStream out = mountPoint.open(OutputStream.class)) {
+				CmsContentRepository contentRepository = (CmsContentRepository) session.getRepository();
+				contentRepository.writeDom(document, out);
+			} catch (IOException e) {
+				throw new IllegalStateException("Cannot persist " + mountPath, e);
+			}
+		}
+	}
+
+	@Override
+	public String getMountPath() {
+		return mountPath;
+	}
+
+	public void registerPrefix(String prefix, String namespace) {
+		DomUtils.addNamespace(document.getDocumentElement(), prefix, namespace);
 	}
 
 	/*
@@ -103,4 +151,8 @@ public class DomContentProvider implements ContentProvider, NamespaceContext {
 		return Collections.unmodifiableList(res).iterator();
 	}
 
+	TransformerFactory getTransformerFactory() {
+		return transformerFactory;
+	}
+
 }