r65 - in trunk/simexplorer-si-storage/src/java/fr/cemagref/simexplorer/is/storage: . service xml - Simexplorer-si-commits

11 Dec 2007

Author: glandais
Date: 2007-12-11 17:08:37 +0000 (Tue, 11 Dec 2007)
New Revision: 65

Added:
   trunk/simexplorer-si-storage/src/java/fr/cemagref/simexplorer/is/storage/service/
   trunk/simexplorer-si-storage/src/java/fr/cemagref/simexplorer/is/storage/service/StorageService.java
   trunk/simexplorer-si-storage/src/java/fr/cemagref/simexplorer/is/storage/xml/
   trunk/simexplorer-si-storage/src/java/fr/cemagref/simexplorer/is/storage/xml/MetaDataParser.java
   trunk/simexplorer-si-storage/src/java/fr/cemagref/simexplorer/is/storage/xml/Parser.java
Log:
Initialisation du point d'entr?\195?\169e du service de stockage

Added: trunk/simexplorer-si-storage/src/java/fr/cemagref/simexplorer/is/storage/service/StorageService.java
===================================================================

--- trunk/simexplorer-si-storage/src/java/fr/cemagref/simexplorer/is/storage/service/StorageService.java	                        (rev 0)
+++ trunk/simexplorer-si-storage/src/java/fr/cemagref/simexplorer/is/storage/service/StorageService.java	2007-12-11 17:08:37 UTC (rev 65)
@@ -0,0 +1,44 @@
+package fr.cemagref.simexplorer.is.storage.service;
+
+import java.io.InputStream;
+
+import org.w3c.dom.Document;
+
+import fr.cemagref.simexplorer.is.storage.engine.StorageEngine;
+import fr.cemagref.simexplorer.is.storage.entities.data.LoggableElement;
+import fr.cemagref.simexplorer.is.storage.entities.metadata.MetaDataEntity;
+import fr.cemagref.simexplorer.is.storage.xml.MetaDataParser;
+
+public class StorageService {
+
+    private StorageEngine storageEngine;
+
+    public StorageService() {
+        super();
+        storageEngine = new StorageEngine();
+    }
+
+    public void open() throws Exception {
+        storageEngine.open();
+    }
+
+    public void close() throws Exception {
+        storageEngine.close();
+    }
+
+    public LoggableElement saveElement(InputStream xmlFile,
+            InputStream attachment) throws Exception {
+        String idxml = storageEngine.storeTempData(xmlFile);
+        String idattachment = null;
+        if (attachment != null) {
+            idattachment = storageEngine.storeTempData(attachment);
+        }
+
+        MetaDataEntity metaData = MetaDataParser.parse(storageEngine
+                .retrieveTempData(idxml));
+        LoggableElement result = null;
+
+        return result;
+    }
+
+}

Added: trunk/simexplorer-si-storage/src/java/fr/cemagref/simexplorer/is/storage/xml/MetaDataParser.java
===================================================================
--- trunk/simexplorer-si-storage/src/java/fr/cemagref/simexplorer/is/storage/xml/MetaDataParser.java	                        (rev 0)
+++ trunk/simexplorer-si-storage/src/java/fr/cemagref/simexplorer/is/storage/xml/MetaDataParser.java	2007-12-11 17:08:37 UTC (rev 65)
@@ -0,0 +1,30 @@
+package fr.cemagref.simexplorer.is.storage.xml;
+
+import java.io.InputStream;
+
+import org.w3c.dom.Document;
+import org.w3c.dom.Element;
+
+import fr.cemagref.simexplorer.is.storage.entities.metadata.MetaDataEntity;
+
+public class MetaDataParser extends Parser {
+
+    private static String KEY_METADATA = "metadata";
+
+    private static String KEY_UUID = "metadata";
+    private static String KEY_VERSION = "version";
+    
+    public static MetaDataEntity parse(InputStream xmlStream) throws Exception {
+        MetaDataEntity mde = new MetaDataEntity();
+
+        Document document = getBuilder().parse(xmlStream);
+        Element rootElement = (Element) document.getFirstChild();
+        Element metadataElement = getElementByTagName(rootElement, KEY_METADATA);
+
+        mde.setUuid(getProperty(metadataElement, KEY_UUID));
+        mde.setVersion(getProperty(metadataElement, KEY_VERSION));
+        
+        return mde;
+    }
+        
+}

Added: trunk/simexplorer-si-storage/src/java/fr/cemagref/simexplorer/is/storage/xml/Parser.java
===================================================================
--- trunk/simexplorer-si-storage/src/java/fr/cemagref/simexplorer/is/storage/xml/Parser.java	                        (rev 0)
+++ trunk/simexplorer-si-storage/src/java/fr/cemagref/simexplorer/is/storage/xml/Parser.java	2007-12-11 17:08:37 UTC (rev 65)
@@ -0,0 +1,72 @@
+package fr.cemagref.simexplorer.is.storage.xml;
+
+import java.util.HashSet;
+import java.util.Set;
+
+import javax.xml.parsers.DocumentBuilder;
+import javax.xml.parsers.DocumentBuilderFactory;
+
+import org.w3c.dom.Document;
+import org.w3c.dom.Element;
+import org.w3c.dom.Node;
+import org.w3c.dom.NodeList;
+import org.w3c.dom.Text;
+
+public class Parser {
+
+    private static DocumentBuilder documentBuilder = null;
+
+    public static synchronized DocumentBuilder getBuilder() throws Exception {
+        if (documentBuilder == null) {
+            DocumentBuilderFactory factory = DocumentBuilderFactory
+                    .newInstance();
+            documentBuilder = factory.newDocumentBuilder();
+            return documentBuilder;
+        }
+        return documentBuilder;
+    }
+
+    protected static String getProperty(Element xmlElement, String tagName) {
+        Element element = getElementByTagName(xmlElement, tagName);
+        if (element != null) {
+            return element.getFirstChild().getNodeValue();
+        } else {
+            return null;
+        }
+    }
+
+    protected static void setProperty(Document document, Element xmlElement,
+            String tagName, Object value) {
+        if (value != null) {
+            Element xmlProperty = document.createElement(tagName);
+            Text xmlDescriptionText = document.createTextNode(value.toString());
+            xmlProperty.appendChild(xmlDescriptionText);
+            xmlElement.appendChild(xmlProperty);
+        }
+    }
+
+    protected static Element getElementByTagName(Element xmlElement, String tagName) {
+        Set<Element> elements = getElementsByTagName(xmlElement, tagName);
+        if (elements.size() > 0) {
+            return elements.iterator().next();
+        } else {
+            return null;
+        }
+    }
+
+    protected static Set<Element> getElementsByTagName(Element xmlElement,
+            String tagName) {
+        Set<Element> elements = new HashSet<Element>();
+
+        NodeList nodes = xmlElement.getChildNodes();
+        for (int i = 0; i < nodes.getLength(); i++) {
+            Node node = nodes.item(i);
+            if (node instanceof Element
+                    && tagName.equals(((Element) node).getTagName())) {
+                elements.add((Element) node);
+            }
+        }
+        return elements;
+    }
+
+}

    

r65 - in trunk/simexplorer-si-storage/src/java/fr/cemagref/simexplorer/is/storage: . service xml

glandais＠users.labs.libre-entreprise.org

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