From 7c4ea2803d8dd912e7751b85be4eeb1861905bde Mon Sep 17 00:00:00 2001
From: Mathieu Baudier <mbaudier@argeo.org>
Date: Fri, 30 Mar 2012 14:12:39 +0000
Subject: [PATCH] Improve JCR utilities

git-svn-id: https://svn.argeo.org/commons/trunk@5280 4cfe0d0a-d680-48aa-b62c-e0a02a3f76cc
---
 .../src/main/java/org/argeo/jcr/JcrUtils.java | 70 +++++++++++++++++++
 1 file changed, 70 insertions(+)

diff --git a/server/runtime/org.argeo.server.jcr/src/main/java/org/argeo/jcr/JcrUtils.java b/server/runtime/org.argeo.server.jcr/src/main/java/org/argeo/jcr/JcrUtils.java
index b32e4404e..fdc692149 100644
--- a/server/runtime/org.argeo.server.jcr/src/main/java/org/argeo/jcr/JcrUtils.java
+++ b/server/runtime/org.argeo.server.jcr/src/main/java/org/argeo/jcr/JcrUtils.java
@@ -17,6 +17,9 @@ package org.argeo.jcr;
 
 import java.io.ByteArrayInputStream;
 import java.io.ByteArrayOutputStream;
+import java.io.File;
+import java.io.FileInputStream;
+import java.io.IOException;
 import java.io.InputStream;
 import java.net.MalformedURLException;
 import java.net.URL;
@@ -882,6 +885,73 @@ public class JcrUtils implements ArgeoJcrConstants {
 		}
 	}
 
+	/**
+	 * Copy a file as an nt:file, assuming an nt:folder hierarchy. The session
+	 * is NOT saved.
+	 * 
+	 * @return the created file node
+	 */
+	public static Node copyFile(Node folderNode, File file) {
+		InputStream in = null;
+		try {
+			in = new FileInputStream(file);
+			return copyStreamAsFile(folderNode, file.getName(), in);
+		} catch (IOException e) {
+			throw new ArgeoException("Cannot copy file " + file + " under "
+					+ folderNode, e);
+		} finally {
+			IOUtils.closeQuietly(in);
+		}
+	}
+
+	/** Copy bytes as an nt:file */
+	public static Node copyBytesAsFile(Node folderNode, String fileName,
+			byte[] bytes) {
+		InputStream in = null;
+		try {
+			in = new ByteArrayInputStream(bytes);
+			return copyStreamAsFile(folderNode, fileName, in);
+		} catch (Exception e) {
+			throw new ArgeoException("Cannot copy file " + fileName + " under "
+					+ folderNode, e);
+		} finally {
+			IOUtils.closeQuietly(in);
+		}
+	}
+
+	/**
+	 * Copy a stream as an nt:file, assuming an nt:folder hierarchy. The session
+	 * is NOT saved.
+	 * 
+	 * @return the created file node
+	 */
+	public static Node copyStreamAsFile(Node folderNode, String fileName,
+			InputStream in) {
+		Binary binary = null;
+		try {
+			Node fileNode;
+			Node contentNode;
+			if (folderNode.hasNode(fileName)) {
+				fileNode = folderNode.getNode(fileName);
+				// we assume that the content node is already there
+				contentNode = fileNode.getNode(Node.JCR_CONTENT);
+			} else {
+				fileNode = folderNode.addNode(fileName, NodeType.NT_FILE);
+				contentNode = fileNode.addNode(Node.JCR_CONTENT,
+						NodeType.NT_RESOURCE);
+			}
+			binary = contentNode.getSession().getValueFactory()
+					.createBinary(in);
+			contentNode.setProperty(Property.JCR_DATA, binary);
+			return fileNode;
+		} catch (Exception e) {
+			throw new ArgeoException("Cannot create file node " + fileName
+					+ " under " + folderNode, e);
+		} finally {
+			closeQuietly(binary);
+		}
+	}
+
 	/**
 	 * Creates depth from a string (typically a username) by adding levels based
 	 * on its first characters: "aBcD",2 => a/aB
-- 
2.30.2